coreos-cloudinit: bump to v1.3.1

configdrive: check metadata length before parsing

Documentation/cloud-config.md

@@ -151,7 +151,7 @@ coreos:
 Environment="LOCKSMITHD_ENDPOINT=example.com:4001"
 ```
 
-For the complete list of locksmith configuraion parameters, see the [locksmith documentation][locksmith-readme].
+For the complete list of locksmith configuration parameters, see the [locksmith documentation][locksmith-readme].
 
 [locksmith-readme]: https://github.com/coreos/locksmith/blob/master/README.md
 
@@ -167,9 +167,12 @@ The `reboot-strategy` parameter also affects the behaviour of [locksmith](https:
   - _etcd-lock_: Reboot after first taking a distributed lock in etcd, this guarantees that only one host will reboot concurrently and that the cluster will remain available during the update.
   - _best-effort_ - If etcd is running, "etcd-lock", otherwise simply "reboot".
   - _off_ - Disable rebooting after updates are applied (not recommended).
-- **server**: is the omaha endpoint URL which will be queried for updates.
+- **server**: The location of the [CoreUpdate][coreupdate] server which will be queried for updates. Also known as the [omaha][omaha-docs] server endpoint.
 - **group**:  signifies the channel which should be used for automatic updates.  This value defaults to the version of the image initially downloaded. (one of "master", "alpha", "beta", "stable")
 
+[coreupdate]: https://coreos.com/products/coreupdate
+[omaha-docs]: https://coreos.com/docs/coreupdate/custom-apps/coreupdate-protocol/
+
 *Note: cloudinit will only manipulate the locksmith unit file in the systemd runtime directory (`/run/systemd/system/locksmithd.service`). If any manual modifications are made to an overriding unit configuration file (e.g. `/etc/systemd/system/locksmithd.service`), cloudinit will no longer be able to control the locksmith service unit.*
 
 ##### Example
@@ -290,7 +293,8 @@ All but the `passwd` and `ssh-authorized-keys` fields will be ignored if the use
 - **groups**: Add user to these additional groups
 - **no-user-group**: Boolean. Skip default group creation.
 - **ssh-authorized-keys**: List of public SSH keys to authorize for this user
-- **coreos-ssh-import-github**: Authorize SSH keys from Github user
+- **coreos-ssh-import-github**: Authorize SSH keys from GitHub user
+- **coreos-ssh-import-github-users**: Authorize SSH keys from a list of GitHub users
 - **coreos-ssh-import-url**: Authorize SSH keys imported from a url endpoint.
 - **system**: Create the user as a system user. No home directory will be created.
 - **no-log-init**: Boolean. Skip initialization of lastlog and faillog databases.

config/config.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package config
 
@@ -35,8 +33,6 @@ type CloudConfig struct {
 	Hostname          string   `yaml:"hostname"`
 	Users             []User   `yaml:"users"`
 	ManageEtcHosts    EtcHosts `yaml:"manage_etc_hosts"`
-	NetworkConfigPath string   `yaml:"-"`
-	NetworkConfig     string   `yaml:"-"`
 }
 
 type CoreOS struct {

config/config_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package config
 

config/etc_hosts.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package config
 

config/etcd.go

@@ -1,53 +1,67 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package config
 
 type Etcd struct {
-	Addr                  string  `yaml:"addr"                    env:"ETCD_ADDR"`
-	BindAddr              string  `yaml:"bind_addr"               env:"ETCD_BIND_ADDR"`
-	CAFile                string  `yaml:"ca_file"                 env:"ETCD_CA_FILE"`
-	CertFile              string  `yaml:"cert_file"               env:"ETCD_CERT_FILE"`
-	ClusterActiveSize     int     `yaml:"cluster_active_size"     env:"ETCD_CLUSTER_ACTIVE_SIZE"`
-	ClusterRemoveDelay    float64 `yaml:"cluster_remove_delay"    env:"ETCD_CLUSTER_REMOVE_DELAY"`
-	ClusterSyncInterval   float64 `yaml:"cluster_sync_interval"   env:"ETCD_CLUSTER_SYNC_INTERVAL"`
-	CorsOrigins           string  `yaml:"cors"                    env:"ETCD_CORS"`
-	DataDir               string  `yaml:"data_dir"                env:"ETCD_DATA_DIR"`
-	Discovery             string  `yaml:"discovery"               env:"ETCD_DISCOVERY"`
-	GraphiteHost          string  `yaml:"graphite_host"           env:"ETCD_GRAPHITE_HOST"`
-	HTTPReadTimeout       float64 `yaml:"http_read_timeout"       env:"ETCD_HTTP_READ_TIMEOUT"`
-	HTTPWriteTimeout      float64 `yaml:"http_write_timeout"      env:"ETCD_HTTP_WRITE_TIMEOUT"`
-	KeyFile               string  `yaml:"key_file"                env:"ETCD_KEY_FILE"`
-	MaxResultBuffer       int     `yaml:"max_result_buffer"       env:"ETCD_MAX_RESULT_BUFFER"`
-	MaxRetryAttempts      int     `yaml:"max_retry_attempts"      env:"ETCD_MAX_RETRY_ATTEMPTS"`
-	Name                  string  `yaml:"name"                    env:"ETCD_NAME"`
-	PeerAddr              string  `yaml:"peer_addr"               env:"ETCD_PEER_ADDR"`
-	PeerBindAddr          string  `yaml:"peer_bind_addr"          env:"ETCD_PEER_BIND_ADDR"`
-	PeerCAFile            string  `yaml:"peer_ca_file"            env:"ETCD_PEER_CA_FILE"`
-	PeerCertFile          string  `yaml:"peer_cert_file"          env:"ETCD_PEER_CERT_FILE"`
-	PeerElectionTimeout   int     `yaml:"peer_election_timeout"   env:"ETCD_PEER_ELECTION_TIMEOUT"`
-	PeerHeartbeatInterval int     `yaml:"peer_heartbeat_interval" env:"ETCD_PEER_HEARTBEAT_INTERVAL"`
-	PeerKeyFile           string  `yaml:"peer_key_file"           env:"ETCD_PEER_KEY_FILE"`
-	Peers                 string  `yaml:"peers"                   env:"ETCD_PEERS"`
-	PeersFile             string  `yaml:"peers_file"              env:"ETCD_PEERS_FILE"`
-	RetryInterval         float64 `yaml:"retry_interval"          env:"ETCD_RETRY_INTERVAL"`
-	Snapshot              bool    `yaml:"snapshot"                env:"ETCD_SNAPSHOT"`
-	SnapshotCount         int     `yaml:"snapshot_count"          env:"ETCD_SNAPSHOTCOUNT"`
-	StrTrace              string  `yaml:"trace"                   env:"ETCD_TRACE"`
-	Verbose               bool    `yaml:"verbose"                 env:"ETCD_VERBOSE"`
-	VeryVerbose           bool    `yaml:"very_verbose"            env:"ETCD_VERY_VERBOSE"`
-	VeryVeryVerbose       bool    `yaml:"very_very_verbose"       env:"ETCD_VERY_VERY_VERBOSE"`
+	Addr                     string  `yaml:"addr"                          env:"ETCD_ADDR"`
+	AdvertiseClientURLs      string  `yaml:"advertise_client_urls"         env:"ETCD_ADVERTISE_CLIENT_URLS"`
+	BindAddr                 string  `yaml:"bind_addr"                     env:"ETCD_BIND_ADDR"`
+	CAFile                   string  `yaml:"ca_file"                       env:"ETCD_CA_FILE"`
+	CertFile                 string  `yaml:"cert_file"                     env:"ETCD_CERT_FILE"`
+	ClusterActiveSize        int     `yaml:"cluster_active_size"           env:"ETCD_CLUSTER_ACTIVE_SIZE"`
+	ClusterRemoveDelay       float64 `yaml:"cluster_remove_delay"          env:"ETCD_CLUSTER_REMOVE_DELAY"`
+	ClusterSyncInterval      float64 `yaml:"cluster_sync_interval"         env:"ETCD_CLUSTER_SYNC_INTERVAL"`
+	CorsOrigins              string  `yaml:"cors"                          env:"ETCD_CORS"`
+	DataDir                  string  `yaml:"data_dir"                      env:"ETCD_DATA_DIR"`
+	Discovery                string  `yaml:"discovery"                     env:"ETCD_DISCOVERY"`
+	DiscoveryFallback        string  `yaml:"discovery_fallback"            env:"ETCD_DISCOVERY_FALLBACK"`
+	DiscoverySRV             string  `yaml:"discovery_srv"                 env:"ETCD_DISCOVERY_SRV"`
+	DiscoveryProxy           string  `yaml:"discovery_proxy"               env:"ETCD_DISCOVERY_PROXY"`
+	ElectionTimeout          int     `yaml:"election_timeout"              env:"ETCD_ELECTION_TIMEOUT"`
+	ForceNewCluster          bool    `yaml:"force_new_cluster"             env:"ETCD_FORCE_NEW_CLUSTER"`
+	GraphiteHost             string  `yaml:"graphite_host"                 env:"ETCD_GRAPHITE_HOST"`
+	HeartbeatInterval        int     `yaml:"heartbeat_interval"            env:"ETCD_HEARTBEAT_INTERVAL"`
+	HTTPReadTimeout          float64 `yaml:"http_read_timeout"             env:"ETCD_HTTP_READ_TIMEOUT"`
+	HTTPWriteTimeout         float64 `yaml:"http_write_timeout"            env:"ETCD_HTTP_WRITE_TIMEOUT"`
+	InitialAdvertisePeerURLs string  `yaml:"initial_advertise_peer_urls"   env:"ETCD_INITIAL_ADVERTISE_PEER_URLS"`
+	InitialCluster           string  `yaml:"initial_cluster"               env:"ETCD_INITIAL_CLUSTER"`
+	InitialClusterState      string  `yaml:"initial_cluster_state"         env:"ETCD_INITIAL_CLUSTER_STATE"`
+	InitialClusterToken      string  `yaml:"initial_cluster_token"         env:"ETCD_INITIAL_CLUSTER_TOKEN"`
+	KeyFile                  string  `yaml:"key_file"                      env:"ETCD_KEY_FILE"`
+	ListenClientURLs         string  `yaml:"listen_client_urls"            env:"ETCD_LISTEN_CLIENT_URLS"`
+	ListenPeerURLs           string  `yaml:"listen_peer_urls"              env:"ETCD_LISTEN_PEER_URLS"`
+	MaxResultBuffer          int     `yaml:"max_result_buffer"             env:"ETCD_MAX_RESULT_BUFFER"`
+	MaxRetryAttempts         int     `yaml:"max_retry_attempts"            env:"ETCD_MAX_RETRY_ATTEMPTS"`
+	MaxSnapshots             int     `yaml:"max_snapshots"                 env:"ETCD_MAX_SNAPSHOTS"`
+	MaxWALs                  int     `yaml:"max_wals"                      env:"ETCD_MAX_WALS"`
+	Name                     string  `yaml:"name"                          env:"ETCD_NAME"`
+	PeerAddr                 string  `yaml:"peer_addr"                     env:"ETCD_PEER_ADDR"`
+	PeerBindAddr             string  `yaml:"peer_bind_addr"                env:"ETCD_PEER_BIND_ADDR"`
+	PeerCAFile               string  `yaml:"peer_ca_file"                  env:"ETCD_PEER_CA_FILE"`
+	PeerCertFile             string  `yaml:"peer_cert_file"                env:"ETCD_PEER_CERT_FILE"`
+	PeerElectionTimeout      int     `yaml:"peer_election_timeout"         env:"ETCD_PEER_ELECTION_TIMEOUT"`
+	PeerHeartbeatInterval    int     `yaml:"peer_heartbeat_interval"       env:"ETCD_PEER_HEARTBEAT_INTERVAL"`
+	PeerKeyFile              string  `yaml:"peer_key_file"                 env:"ETCD_PEER_KEY_FILE"`
+	Peers                    string  `yaml:"peers"                         env:"ETCD_PEERS"`
+	PeersFile                string  `yaml:"peers_file"                    env:"ETCD_PEERS_FILE"`
+	Proxy                    string  `yaml:"proxy"                         env:"ETCD_PROXY"`
+	RetryInterval            float64 `yaml:"retry_interval"                env:"ETCD_RETRY_INTERVAL"`
+	Snapshot                 bool    `yaml:"snapshot"                      env:"ETCD_SNAPSHOT"`
+	SnapshotCount            int     `yaml:"snapshot_count"                env:"ETCD_SNAPSHOTCOUNT"`
+	StrTrace                 string  `yaml:"trace"                         env:"ETCD_TRACE"`
+	Verbose                  bool    `yaml:"verbose"                       env:"ETCD_VERBOSE"`
+	VeryVerbose              bool    `yaml:"very_verbose"                  env:"ETCD_VERY_VERBOSE"`
+	VeryVeryVerbose          bool    `yaml:"very_very_verbose"             env:"ETCD_VERY_VERY_VERBOSE"`
 }

config/file.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package config
 

config/flannel.go

@@ -1,3 +1,17 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package config
 
 type Flannel struct {

config/fleet.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package config
 

config/locksmith.go

@@ -1,3 +1,17 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package config
 
 type Locksmith struct {

config/oem.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package config
 

config/script.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package config
 
@@ -27,6 +25,7 @@ func IsScript(userdata string) bool {
 	return strings.HasPrefix(header, "#!")
 }
 
-func NewScript(userdata string) (Script, error) {
-	return Script(userdata), nil
+func NewScript(userdata string) (*Script, error) {
+	s := Script(userdata)
+	return &s, nil
 }

config/unit.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package config
 

config/update.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package config
 

config/user.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package config
 

config/validate/context.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package validate
 

config/validate/context_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package validate
 

config/validate/node.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package validate
 

config/validate/node_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package validate
 

config/validate/report.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package validate
 

config/validate/report_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package validate
 

config/validate/rules.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package validate
 

config/validate/rules_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package validate
 

config/validate/validate.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package validate
 

config/validate/validate_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package validate
 

coreos-cloudinit.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package main
 
@@ -35,12 +33,13 @@ import (
 	"github.com/coreos/coreos-cloudinit/datasource/url"
 	"github.com/coreos/coreos-cloudinit/datasource/waagent"
 	"github.com/coreos/coreos-cloudinit/initialize"
+	"github.com/coreos/coreos-cloudinit/network"
 	"github.com/coreos/coreos-cloudinit/pkg"
 	"github.com/coreos/coreos-cloudinit/system"
 )
 
 const (
-	version               = "1.2.0"
+	version               = "1.3.1"
 	datasourceInterval    = 100 * time.Millisecond
 	datasourceMaxInterval = 30 * time.Second
 	datasourceTimeout     = 5 * time.Minute
@@ -107,6 +106,9 @@ var (
 		"azure": oemConfig{
 			"from-waagent": "/var/lib/waagent",
 		},
+		"cloudsigma": oemConfig{
+			"from-cloudsigma-metadata": "true",
+		},
 	}
 )
 
@@ -178,43 +180,18 @@ func main() {
 	}
 
 	fmt.Printf("Fetching meta-data from datasource of type %q\n", ds.Type())
-	metadataBytes, err := ds.FetchMetadata()
+	metadata, err := ds.FetchMetadata()
 	if err != nil {
 		fmt.Printf("Failed fetching meta-data from datasource: %v\n", err)
 		os.Exit(1)
 	}
 
-	// Extract IPv4 addresses from metadata if possible
-	var subs map[string]string
-	if len(metadataBytes) > 0 {
-		subs, err = initialize.ExtractIPsFromMetadata(metadataBytes)
-		if err != nil {
-			fmt.Printf("Failed extracting IPs from meta-data: %v\n", err)
-			os.Exit(1)
-		}
-	}
-
 	// Apply environment to user-data
-	env := initialize.NewEnvironment("/", ds.ConfigRoot(), flags.workspace, flags.convertNetconf, flags.sshKeyName, subs)
+	env := initialize.NewEnvironment("/", ds.ConfigRoot(), flags.workspace, flags.sshKeyName, metadata)
 	userdata := env.Apply(string(userdataBytes))
 
-	var ccm, ccu *config.CloudConfig
+	var ccu *config.CloudConfig
 	var script *config.Script
-	if ccm, err = initialize.ParseMetaData(string(metadataBytes)); err != nil {
-		fmt.Printf("Failed to parse meta-data: %v\n", err)
-		os.Exit(1)
-	}
-
-	if ccm != nil && flags.convertNetconf != "" {
-		fmt.Printf("Fetching network config from datasource of type %q\n", ds.Type())
-		netconfBytes, err := ds.FetchNetworkConfig(ccm.NetworkConfigPath)
-		if err != nil {
-			fmt.Printf("Failed fetching network config from datasource: %v\n", err)
-			os.Exit(1)
-		}
-		ccm.NetworkConfig = string(netconfBytes)
-	}
-
 	if ud, err := initialize.ParseUserData(userdata); err != nil {
 		fmt.Printf("Failed to parse user-data: %v\nContinuing...\n", err)
 		failure = true
@@ -222,33 +199,36 @@ func main() {
 		switch t := ud.(type) {
 		case *config.CloudConfig:
 			ccu = t
-		case config.Script:
-			script = &t
+		case *config.Script:
+			script = t
 		}
 	}
 
-	var cc *config.CloudConfig
-	if ccm != nil && ccu != nil {
-		fmt.Println("Merging cloud-config from meta-data and user-data")
-		merged := mergeCloudConfig(*ccm, *ccu)
-		cc = &merged
-	} else if ccm != nil && ccu == nil {
-		fmt.Println("Processing cloud-config from meta-data")
-		cc = ccm
-	} else if ccm == nil && ccu != nil {
-		fmt.Println("Processing cloud-config from user-data")
-		cc = ccu
-	} else {
-		fmt.Println("No cloud-config data to handle.")
-	}
+	fmt.Println("Merging cloud-config from meta-data and user-data")
+	cc := mergeConfigs(ccu, metadata)
 
-	if cc != nil {
-		if err = initialize.Apply(*cc, env); err != nil {
-			fmt.Printf("Failed to apply cloud-config: %v\n", err)
+	var ifaces []network.InterfaceGenerator
+	if flags.convertNetconf != "" {
+		var err error
+		switch flags.convertNetconf {
+		case "debian":
+			ifaces, err = network.ProcessDebianNetconf(metadata.NetworkConfig)
+		case "digitalocean":
+			ifaces, err = network.ProcessDigitalOceanNetconf(metadata.NetworkConfig)
+		default:
+			err = fmt.Errorf("Unsupported network config format %q", flags.convertNetconf)
+		}
+		if err != nil {
+			fmt.Printf("Failed to generate interfaces: %v\n", err)
 			os.Exit(1)
 		}
 	}
 
+	if err = initialize.Apply(cc, ifaces, env); err != nil {
+		fmt.Printf("Failed to apply cloud-config: %v\n", err)
+		os.Exit(1)
+	}
+
 	if script != nil {
 		if err = runScript(*script, env); err != nil {
 			fmt.Printf("Failed to run script: %v\n", err)
@@ -261,38 +241,25 @@ func main() {
 	}
 }
 
-// mergeCloudConfig merges certain options from mdcc (a CloudConfig derived from
-// meta-data) onto udcc (a CloudConfig derived from user-data), if they are
-// not already set on udcc (i.e. user-data always takes precedence)
-// NB: This needs to be kept in sync with ParseMetadata so that it tracks all
-// elements of a CloudConfig which that function can populate.
-func mergeCloudConfig(mdcc, udcc config.CloudConfig) (cc config.CloudConfig) {
-	if mdcc.Hostname != "" {
-		if udcc.Hostname != "" {
-			fmt.Printf("Warning: user-data hostname (%s) overrides metadata hostname (%s)\n", udcc.Hostname, mdcc.Hostname)
-		} else {
-			udcc.Hostname = mdcc.Hostname
-		}
+// mergeConfigs merges certain options from md (meta-data from the datasource)
+// onto cc (a CloudConfig derived from user-data), if they are not already set
+// on cc (i.e. user-data always takes precedence)
+func mergeConfigs(cc *config.CloudConfig, md datasource.Metadata) (out config.CloudConfig) {
+	if cc != nil {
+		out = *cc
+	}
 
-	}
-	for _, key := range mdcc.SSHAuthorizedKeys {
-		udcc.SSHAuthorizedKeys = append(udcc.SSHAuthorizedKeys, key)
-	}
-	if mdcc.NetworkConfigPath != "" {
-		if udcc.NetworkConfigPath != "" {
-			fmt.Printf("Warning: user-data NetworkConfigPath %s overrides metadata NetworkConfigPath %s\n", udcc.NetworkConfigPath, mdcc.NetworkConfigPath)
+	if md.Hostname != "" {
+		if out.Hostname != "" {
+			fmt.Printf("Warning: user-data hostname (%s) overrides metadata hostname (%s)\n", out.Hostname, md.Hostname)
 		} else {
-			udcc.NetworkConfigPath = mdcc.NetworkConfigPath
+			out.Hostname = md.Hostname
 		}
 	}
-	if mdcc.NetworkConfig != "" {
-		if udcc.NetworkConfig != "" {
-			fmt.Printf("Warning: user-data NetworkConfig %s overrides metadata NetworkConfig %s\n", udcc.NetworkConfig, mdcc.NetworkConfig)
-		} else {
-			udcc.NetworkConfig = mdcc.NetworkConfig
-		}
+	for _, key := range md.SSHPublicKeys {
+		out.SSHAuthorizedKeys = append(out.SSHAuthorizedKeys, key)
 	}
-	return udcc
+	return
 }
 
 // getDatasources creates a slice of possible Datasources for cloudinit based

coreos-cloudinit_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package main
 
@@ -21,116 +19,71 @@ import (
 	"testing"
 
 	"github.com/coreos/coreos-cloudinit/config"
+	"github.com/coreos/coreos-cloudinit/datasource"
 )
 
-func TestMergeCloudConfig(t *testing.T) {
-	simplecc := config.CloudConfig{
-		SSHAuthorizedKeys: []string{"abc", "def"},
-		Hostname:          "foobar",
-		NetworkConfigPath: "/path/somewhere",
-		NetworkConfig:     `{}`,
-	}
-	for i, tt := range []struct {
-		udcc config.CloudConfig
-		mdcc config.CloudConfig
-		want config.CloudConfig
+func TestMergeConfigs(t *testing.T) {
+	tests := []struct {
+		cc *config.CloudConfig
+		md datasource.Metadata
+
+		out config.CloudConfig
 	}{
 		{
-			// If mdcc is empty, udcc should be returned unchanged
-			simplecc,
-			config.CloudConfig{},
-			simplecc,
+			// If md is empty and cc is nil, result should be empty
+			out: config.CloudConfig{},
 		},
 		{
-			// If udcc is empty, mdcc should be returned unchanged(overridden)
-			config.CloudConfig{},
-			simplecc,
-			simplecc,
+			// If md and cc are empty, result should be empty
+			cc:  &config.CloudConfig{},
+			out: config.CloudConfig{},
+		},
+		{
+			// If cc is empty, cc should be returned unchanged
+			cc:  &config.CloudConfig{SSHAuthorizedKeys: []string{"abc", "def"}, Hostname: "cc-host"},
+			out: config.CloudConfig{SSHAuthorizedKeys: []string{"abc", "def"}, Hostname: "cc-host"},
+		},
+		{
+			// If cc is empty, cc should be returned unchanged(overridden)
+			cc:  &config.CloudConfig{},
+			md:  datasource.Metadata{Hostname: "md-host", SSHPublicKeys: map[string]string{"key": "ghi"}},
+			out: config.CloudConfig{SSHAuthorizedKeys: []string{"ghi"}, Hostname: "md-host"},
+		},
+		{
+			// If cc is nil, cc should be returned unchanged(overridden)
+			md:  datasource.Metadata{Hostname: "md-host", SSHPublicKeys: map[string]string{"key": "ghi"}},
+			out: config.CloudConfig{SSHAuthorizedKeys: []string{"ghi"}, Hostname: "md-host"},
 		},
 		{
 			// user-data should override completely in the case of conflicts
-			simplecc,
-			config.CloudConfig{
-				Hostname:          "meta-hostname",
-				NetworkConfigPath: "/path/meta",
-				NetworkConfig:     `{"hostname":"test"}`,
-			},
-			simplecc,
+			cc:  &config.CloudConfig{SSHAuthorizedKeys: []string{"abc", "def"}, Hostname: "cc-host"},
+			md:  datasource.Metadata{Hostname: "md-host"},
+			out: config.CloudConfig{SSHAuthorizedKeys: []string{"abc", "def"}, Hostname: "cc-host"},
 		},
 		{
 			// Mixed merge should succeed
-			config.CloudConfig{
-				SSHAuthorizedKeys: []string{"abc", "def"},
-				Hostname:          "user-hostname",
-				NetworkConfigPath: "/path/somewhere",
-				NetworkConfig:     `{"hostname":"test"}`,
-			},
-			config.CloudConfig{
-				SSHAuthorizedKeys: []string{"woof", "qux"},
-				Hostname:          "meta-hostname",
-			},
-			config.CloudConfig{
-				SSHAuthorizedKeys: []string{"abc", "def", "woof", "qux"},
-				Hostname:          "user-hostname",
-				NetworkConfigPath: "/path/somewhere",
-				NetworkConfig:     `{"hostname":"test"}`,
-			},
+			cc:  &config.CloudConfig{SSHAuthorizedKeys: []string{"abc", "def"}, Hostname: "cc-host"},
+			md:  datasource.Metadata{Hostname: "md-host", SSHPublicKeys: map[string]string{"key": "ghi"}},
+			out: config.CloudConfig{SSHAuthorizedKeys: []string{"abc", "def", "ghi"}, Hostname: "cc-host"},
 		},
 		{
 			// Completely non-conflicting merge should be fine
-			config.CloudConfig{
-				Hostname: "supercool",
-			},
-			config.CloudConfig{
-				SSHAuthorizedKeys: []string{"zaphod", "beeblebrox"},
-				NetworkConfigPath: "/dev/fun",
-				NetworkConfig:     `{"hostname":"test"}`,
-			},
-			config.CloudConfig{
-				Hostname:          "supercool",
-				SSHAuthorizedKeys: []string{"zaphod", "beeblebrox"},
-				NetworkConfigPath: "/dev/fun",
-				NetworkConfig:     `{"hostname":"test"}`,
-			},
+			cc:  &config.CloudConfig{Hostname: "cc-host"},
+			md:  datasource.Metadata{SSHPublicKeys: map[string]string{"zaphod": "beeblebrox"}},
+			out: config.CloudConfig{Hostname: "cc-host", SSHAuthorizedKeys: []string{"beeblebrox"}},
 		},
 		{
 			// Non-mergeable settings in user-data should not be affected
-			config.CloudConfig{
-				Hostname:       "mememe",
-				ManageEtcHosts: config.EtcHosts("lolz"),
-			},
-			config.CloudConfig{
-				Hostname:          "youyouyou",
-				NetworkConfigPath: "meta-meta-yo",
-				NetworkConfig:     `{"hostname":"test"}`,
-			},
-			config.CloudConfig{
-				Hostname:          "mememe",
-				ManageEtcHosts:    config.EtcHosts("lolz"),
-				NetworkConfigPath: "meta-meta-yo",
-				NetworkConfig:     `{"hostname":"test"}`,
-			},
+			cc:  &config.CloudConfig{Hostname: "cc-host", ManageEtcHosts: config.EtcHosts("lolz")},
+			md:  datasource.Metadata{Hostname: "md-host"},
+			out: config.CloudConfig{Hostname: "cc-host", ManageEtcHosts: config.EtcHosts("lolz")},
 		},
-		{
-			// Non-mergeable (unexpected) settings in meta-data are ignored
-			config.CloudConfig{
-				Hostname: "mememe",
-			},
-			config.CloudConfig{
-				ManageEtcHosts:    config.EtcHosts("lolz"),
-				NetworkConfigPath: "meta-meta-yo",
-				NetworkConfig:     `{"hostname":"test"}`,
-			},
-			config.CloudConfig{
-				Hostname:          "mememe",
-				NetworkConfigPath: "meta-meta-yo",
-				NetworkConfig:     `{"hostname":"test"}`,
-			},
-		},
-	} {
-		got := mergeCloudConfig(tt.mdcc, tt.udcc)
-		if !reflect.DeepEqual(got, tt.want) {
-			t.Errorf("case #%d: mergeCloudConfig mutated CloudConfig unexpectedly:\ngot:\n%s\nwant:\n%s", i, got, tt.want)
+	}
+
+	for i, tt := range tests {
+		out := mergeConfigs(tt.cc, tt.md)
+		if !reflect.DeepEqual(tt.out, out) {
+			t.Errorf("bad config (%d): want %#v, got %#v", i, tt.out, out)
 		}
 	}
 }

datasource/configdrive/configdrive.go

@@ -1,26 +1,27 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package configdrive
 
 import (
+	"encoding/json"
 	"fmt"
 	"io/ioutil"
 	"os"
 	"path"
+
+	"github.com/coreos/coreos-cloudinit/datasource"
 )
 
 const (
@@ -49,21 +50,34 @@ func (cd *configDrive) ConfigRoot() string {
 	return cd.openstackRoot()
 }
 
-func (cd *configDrive) FetchMetadata() ([]byte, error) {
-	return cd.tryReadFile(path.Join(cd.openstackVersionRoot(), "meta_data.json"))
+func (cd *configDrive) FetchMetadata() (metadata datasource.Metadata, err error) {
+	var data []byte
+	var m struct {
+		SSHAuthorizedKeyMap map[string]string `json:"public_keys"`
+		Hostname            string            `json:"hostname"`
+		NetworkConfig       struct {
+			ContentPath string `json:"content_path"`
+		} `json:"network_config"`
+	}
+
+	if data, err = cd.tryReadFile(path.Join(cd.openstackVersionRoot(), "meta_data.json")); err != nil || len(data) == 0 {
+		return
+	}
+	if err = json.Unmarshal([]byte(data), &m); err != nil {
+		return
+	}
+
+	metadata.SSHPublicKeys = m.SSHAuthorizedKeyMap
+	metadata.Hostname = m.Hostname
+	metadata.NetworkConfig, err = cd.tryReadFile(path.Join(cd.openstackRoot(), m.NetworkConfig.ContentPath))
+
+	return
 }
 
 func (cd *configDrive) FetchUserdata() ([]byte, error) {
 	return cd.tryReadFile(path.Join(cd.openstackVersionRoot(), "user_data"))
 }
 
-func (cd *configDrive) FetchNetworkConfig(filename string) ([]byte, error) {
-	if filename == "" {
-		return []byte{}, nil
-	}
-	return cd.tryReadFile(path.Join(cd.openstackRoot(), filename))
-}
-
 func (cd *configDrive) Type() string {
 	return "cloud-drive"
 }

datasource/configdrive/configdrive_test.go

@@ -1,99 +1,104 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package configdrive
 
 import (
-	"os"
+	"reflect"
 	"testing"
+
+	"github.com/coreos/coreos-cloudinit/datasource"
+	"github.com/coreos/coreos-cloudinit/datasource/test"
 )
 
-type mockFilesystem []string
-
-func (m mockFilesystem) readFile(filename string) ([]byte, error) {
-	for _, file := range m {
-		if file == filename {
-			return []byte(filename), nil
-		}
-	}
-	return nil, os.ErrNotExist
-}
-
 func TestFetchMetadata(t *testing.T) {
 	for _, tt := range []struct {
-		root     string
-		filename string
-		files    mockFilesystem
+		root  string
+		files test.MockFilesystem
+
+		metadata datasource.Metadata
 	}{
 		{
-			"/",
-			"",
-			mockFilesystem{},
+			root:  "/",
+			files: test.MockFilesystem{"/openstack/latest/meta_data.json": ""},
 		},
 		{
-			"/",
-			"/openstack/latest/meta_data.json",
-			mockFilesystem([]string{"/openstack/latest/meta_data.json"}),
+			root:  "/",
+			files: test.MockFilesystem{"/openstack/latest/meta_data.json": `{"ignore": "me"}`},
 		},
 		{
-			"/media/configdrive",
-			"/media/configdrive/openstack/latest/meta_data.json",
-			mockFilesystem([]string{"/media/configdrive/openstack/latest/meta_data.json"}),
+			root:     "/",
+			files:    test.MockFilesystem{"/openstack/latest/meta_data.json": `{"hostname": "host"}`},
+			metadata: datasource.Metadata{Hostname: "host"},
+		},
+		{
+			root: "/media/configdrive",
+			files: test.MockFilesystem{
+				"/media/configdrive/openstack/latest/meta_data.json": `{"hostname": "host", "network_config": {"content_path": "config_file.json"}, "public_keys":{"1": "key1", "2": "key2"}}`,
+				"/media/configdrive/openstack/config_file.json":      "make it work",
+			},
+			metadata: datasource.Metadata{
+				Hostname:      "host",
+				NetworkConfig: []byte("make it work"),
+				SSHPublicKeys: map[string]string{
+					"1": "key1",
+					"2": "key2",
+				},
+			},
 		},
 	} {
-		cd := configDrive{tt.root, tt.files.readFile}
-		filename, err := cd.FetchMetadata()
+		cd := configDrive{tt.root, tt.files.ReadFile}
+		metadata, err := cd.FetchMetadata()
 		if err != nil {
 			t.Fatalf("bad error for %q: want %v, got %q", tt, nil, err)
 		}
-		if string(filename) != tt.filename {
-			t.Fatalf("bad path for %q: want %q, got %q", tt, tt.filename, filename)
+		if !reflect.DeepEqual(tt.metadata, metadata) {
+			t.Fatalf("bad metadata for %q: want %#v, got %#v", tt, tt.metadata, metadata)
 		}
 	}
 }
 
 func TestFetchUserdata(t *testing.T) {
 	for _, tt := range []struct {
-		root     string
-		filename string
-		files    mockFilesystem
+		root  string
+		files test.MockFilesystem
+
+		userdata string
 	}{
 		{
 			"/",
+			test.MockFilesystem{},
 			"",
-			mockFilesystem{},
 		},
 		{
 			"/",
-			"/openstack/latest/user_data",
-			mockFilesystem([]string{"/openstack/latest/user_data"}),
+			test.MockFilesystem{"/openstack/latest/user_data": "userdata"},
+			"userdata",
 		},
 		{
 			"/media/configdrive",
-			"/media/configdrive/openstack/latest/user_data",
-			mockFilesystem([]string{"/media/configdrive/openstack/latest/user_data"}),
+			test.MockFilesystem{"/media/configdrive/openstack/latest/user_data": "userdata"},
+			"userdata",
 		},
 	} {
-		cd := configDrive{tt.root, tt.files.readFile}
-		filename, err := cd.FetchUserdata()
+		cd := configDrive{tt.root, tt.files.ReadFile}
+		userdata, err := cd.FetchUserdata()
 		if err != nil {
 			t.Fatalf("bad error for %q: want %v, got %q", tt, nil, err)
 		}
-		if string(filename) != tt.filename {
-			t.Fatalf("bad path for %q: want %q, got %q", tt, tt.filename, filename)
+		if string(userdata) != tt.userdata {
+			t.Fatalf("bad userdata for %q: want %q, got %q", tt, tt.userdata, userdata)
 		}
 	}
 }

datasource/datasource.go

@@ -1,27 +1,38 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package datasource
 
+import (
+	"net"
+)
+
 type Datasource interface {
 	IsAvailable() bool
 	AvailabilityChanges() bool
 	ConfigRoot() string
-	FetchMetadata() ([]byte, error)
+	FetchMetadata() (Metadata, error)
 	FetchUserdata() ([]byte, error)
-	FetchNetworkConfig(string) ([]byte, error)
 	Type() string
 }
+
+type Metadata struct {
+	PublicIPv4    net.IP
+	PublicIPv6    net.IP
+	PrivateIPv4   net.IP
+	PrivateIPv6   net.IP
+	Hostname      string
+	SSHPublicKeys map[string]string
+	NetworkConfig []byte
+}

datasource/file/file.go

@@ -1,24 +1,24 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package file
 
 import (
 	"io/ioutil"
 	"os"
+
+	"github.com/coreos/coreos-cloudinit/datasource"
 )
 
 type localFile struct {
@@ -42,18 +42,14 @@ func (f *localFile) ConfigRoot() string {
 	return ""
 }
 
-func (f *localFile) FetchMetadata() ([]byte, error) {
-	return []byte{}, nil
+func (f *localFile) FetchMetadata() (datasource.Metadata, error) {
+	return datasource.Metadata{}, nil
 }
 
 func (f *localFile) FetchUserdata() ([]byte, error) {
 	return ioutil.ReadFile(f.path)
 }
 
-func (f *localFile) FetchNetworkConfig(filename string) ([]byte, error) {
-	return nil, nil
-}
-
 func (f *localFile) Type() string {
 	return "local-file"
 }

datasource/metadata/cloudsigma/server_context.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package cloudsigma
 
@@ -26,6 +24,8 @@ import (
 	"os"
 	"strings"
 
+	"github.com/coreos/coreos-cloudinit/datasource"
+
 	"github.com/coreos/coreos-cloudinit/Godeps/_workspace/src/github.com/cloudsigma/cepgo"
 )
 
@@ -71,7 +71,7 @@ func (_ *serverContextService) Type() string {
 	return "server-context"
 }
 
-func (scs *serverContextService) FetchMetadata() ([]byte, error) {
+func (scs *serverContextService) FetchMetadata() (metadata datasource.Metadata, err error) {
 	var (
 		inputMetadata struct {
 			Name string            `json:"name"`
@@ -90,48 +90,41 @@ func (scs *serverContextService) FetchMetadata() ([]byte, error) {
 				} `json:"vlan"`
 			} `json:"nics"`
 		}
-		outputMetadata struct {
-			Hostname   string            `json:"name"`
-			PublicKeys map[string]string `json:"public_keys"`
-			LocalIPv4  string            `json:"local-ipv4"`
-			PublicIPv4 string            `json:"public-ipv4"`
-		}
+		rawMetadata []byte
 	)
 
-	rawMetadata, err := scs.client.FetchRaw("")
-	if err != nil {
-		return []byte{}, err
+	if rawMetadata, err = scs.client.FetchRaw(""); err != nil {
+		return
 	}
 
-	err = json.Unmarshal(rawMetadata, &inputMetadata)
-	if err != nil {
-		return []byte{}, err
+	if err = json.Unmarshal(rawMetadata, &inputMetadata); err != nil {
+		return
 	}
 
 	if inputMetadata.Name != "" {
-		outputMetadata.Hostname = inputMetadata.Name
+		metadata.Hostname = inputMetadata.Name
 	} else {
-		outputMetadata.Hostname = inputMetadata.UUID
+		metadata.Hostname = inputMetadata.UUID
 	}
 
+	metadata.SSHPublicKeys = map[string]string{}
 	if key, ok := inputMetadata.Meta["ssh_public_key"]; ok {
 		splitted := strings.Split(key, " ")
-		outputMetadata.PublicKeys = make(map[string]string)
-		outputMetadata.PublicKeys[splitted[len(splitted)-1]] = key
+		metadata.SSHPublicKeys[splitted[len(splitted)-1]] = key
 	}
 
 	for _, nic := range inputMetadata.Nics {
 		if nic.IPv4Conf.IP.UUID != "" {
-			outputMetadata.PublicIPv4 = nic.IPv4Conf.IP.UUID
+			metadata.PublicIPv4 = net.ParseIP(nic.IPv4Conf.IP.UUID)
 		}
 		if nic.VLAN.UUID != "" {
 			if localIP, err := scs.findLocalIP(nic.Mac); err == nil {
-				outputMetadata.LocalIPv4 = localIP
+				metadata.PrivateIPv4 = localIP
 			}
 		}
 	}
 
-	return json.Marshal(outputMetadata)
+	return
 }
 
 func (scs *serverContextService) FetchUserdata() ([]byte, error) {
@@ -152,18 +145,14 @@ func (scs *serverContextService) FetchUserdata() ([]byte, error) {
 	return []byte(userData), nil
 }
 
-func (scs *serverContextService) FetchNetworkConfig(a string) ([]byte, error) {
-	return nil, nil
-}
-
-func (scs *serverContextService) findLocalIP(mac string) (string, error) {
+func (scs *serverContextService) findLocalIP(mac string) (net.IP, error) {
 	ifaces, err := net.Interfaces()
 	if err != nil {
-		return "", err
+		return nil, err
 	}
 	ifaceMac, err := net.ParseMAC(mac)
 	if err != nil {
-		return "", err
+		return nil, err
 	}
 	for _, iface := range ifaces {
 		if !bytes.Equal(iface.HardwareAddr, ifaceMac) {
@@ -178,12 +167,12 @@ func (scs *serverContextService) findLocalIP(mac string) (string, error) {
 			switch ip := addr.(type) {
 			case *net.IPNet:
 				if ip.IP.To4() != nil {
-					return ip.IP.To4().String(), nil
+					return ip.IP.To4(), nil
 				}
 			}
 		}
 	}
-	return "", errors.New("Local IP not found")
+	return nil, errors.New("Local IP not found")
 }
 
 func isBase64Encoded(field string, userdata map[string]string) bool {

datasource/metadata/cloudsigma/server_context_test.go

@@ -1,23 +1,21 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package cloudsigma
 
 import (
-	"encoding/json"
+	"net"
 	"reflect"
 	"testing"
 )
@@ -46,12 +44,6 @@ func (f *fakeCepgoClient) FetchRaw(key string) ([]byte, error) {
 }
 
 func TestServerContextFetchMetadata(t *testing.T) {
-	var metadata struct {
-		Hostname   string            `json:"name"`
-		PublicKeys map[string]string `json:"public_keys"`
-		LocalIPv4  string            `json:"local-ipv4"`
-		PublicIPv4 string            `json:"public-ipv4"`
-	}
 	client := new(fakeCepgoClient)
 	scs := NewServerContextService()
 	scs.client = client
@@ -116,24 +108,20 @@ func TestServerContextFetchMetadata(t *testing.T) {
 		"uuid": "20a0059b-041e-4d0c-bcc6-9b2852de48b3"
 	}`)
 
-	metadataBytes, err := scs.FetchMetadata()
+	metadata, err := scs.FetchMetadata()
 	if err != nil {
 		t.Error(err.Error())
 	}
 
-	if err := json.Unmarshal(metadataBytes, &metadata); err != nil {
-		t.Error(err.Error())
-	}
-
 	if metadata.Hostname != "coreos" {
 		t.Errorf("Hostname is not 'coreos' but %s instead", metadata.Hostname)
 	}
 
-	if metadata.PublicKeys["john@doe"] != "ssh-rsa AAAAB3NzaC1yc2E.../hQ5D5 john@doe" {
+	if metadata.SSHPublicKeys["john@doe"] != "ssh-rsa AAAAB3NzaC1yc2E.../hQ5D5 john@doe" {
 		t.Error("Public SSH Keys are not being read properly")
 	}
 
-	if metadata.PublicIPv4 != "31.171.251.74" {
+	if !metadata.PublicIPv4.Equal(net.ParseIP("31.171.251.74")) {
 		t.Errorf("Public IP is not 31.171.251.74 but %s instead", metadata.PublicIPv4)
 	}
 }

datasource/metadata/digitalocean/metadata.go

@@ -1,25 +1,25 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package digitalocean
 
 import (
 	"encoding/json"
+	"net"
 	"strconv"
 
+	"github.com/coreos/coreos-cloudinit/datasource"
 	"github.com/coreos/coreos-cloudinit/datasource/metadata"
 )
 
@@ -61,8 +61,6 @@ type Metadata struct {
 }
 
 type metadataService struct {
-	interfaces Interfaces
-	dns        DNS
 	metadata.MetadataService
 }
 
@@ -70,52 +68,41 @@ func NewDatasource(root string) *metadataService {
 	return &metadataService{MetadataService: metadata.NewDatasource(root, apiVersion, userdataUrl, metadataPath)}
 }
 
-func (ms *metadataService) FetchMetadata() ([]byte, error) {
-	data, err := ms.FetchData(ms.MetadataUrl())
-	if err != nil || len(data) == 0 {
-		return []byte{}, err
+func (ms *metadataService) FetchMetadata() (metadata datasource.Metadata, err error) {
+	var data []byte
+	var m Metadata
+
+	if data, err = ms.FetchData(ms.MetadataUrl()); err != nil || len(data) == 0 {
+		return
+	}
+	if err = json.Unmarshal(data, &m); err != nil {
+		return
 	}
 
-	var metadata Metadata
-	if err := json.Unmarshal(data, &metadata); err != nil {
-		return []byte{}, err
-	}
-
-	ms.interfaces = metadata.Interfaces
-	ms.dns = metadata.DNS
-
-	attrs := make(map[string]interface{})
-	if len(metadata.Interfaces.Public) > 0 {
-		if metadata.Interfaces.Public[0].IPv4 != nil {
-			attrs["public-ipv4"] = metadata.Interfaces.Public[0].IPv4.IPAddress
+	if len(m.Interfaces.Public) > 0 {
+		if m.Interfaces.Public[0].IPv4 != nil {
+			metadata.PublicIPv4 = net.ParseIP(m.Interfaces.Public[0].IPv4.IPAddress)
 		}
-		if metadata.Interfaces.Public[0].IPv6 != nil {
-			attrs["public-ipv6"] = metadata.Interfaces.Public[0].IPv6.IPAddress
+		if m.Interfaces.Public[0].IPv6 != nil {
+			metadata.PublicIPv6 = net.ParseIP(m.Interfaces.Public[0].IPv6.IPAddress)
 		}
 	}
-	if len(metadata.Interfaces.Private) > 0 {
-		if metadata.Interfaces.Private[0].IPv4 != nil {
-			attrs["local-ipv4"] = metadata.Interfaces.Private[0].IPv4.IPAddress
+	if len(m.Interfaces.Private) > 0 {
+		if m.Interfaces.Private[0].IPv4 != nil {
+			metadata.PrivateIPv4 = net.ParseIP(m.Interfaces.Private[0].IPv4.IPAddress)
 		}
-		if metadata.Interfaces.Private[0].IPv6 != nil {
-			attrs["local-ipv6"] = metadata.Interfaces.Private[0].IPv6.IPAddress
+		if m.Interfaces.Private[0].IPv6 != nil {
+			metadata.PrivateIPv6 = net.ParseIP(m.Interfaces.Private[0].IPv6.IPAddress)
 		}
 	}
-	attrs["hostname"] = metadata.Hostname
-	keys := make(map[string]string)
-	for i, key := range metadata.PublicKeys {
-		keys[strconv.Itoa(i)] = key
+	metadata.Hostname = m.Hostname
+	metadata.SSHPublicKeys = map[string]string{}
+	for i, key := range m.PublicKeys {
+		metadata.SSHPublicKeys[strconv.Itoa(i)] = key
 	}
-	attrs["public_keys"] = keys
+	metadata.NetworkConfig = data
 
-	return json.Marshal(attrs)
-}
-
-func (ms metadataService) FetchNetworkConfig(filename string) ([]byte, error) {
-	return json.Marshal(Metadata{
-		Interfaces: ms.interfaces,
-		DNS:        ms.dns,
-	})
+	return
 }
 
 func (ms metadataService) Type() string {

datasource/metadata/digitalocean/metadata_test.go

@@ -1,26 +1,26 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package digitalocean
 
 import (
-	"bytes"
 	"fmt"
+	"net"
+	"reflect"
 	"testing"
 
+	"github.com/coreos/coreos-cloudinit/datasource"
 	"github.com/coreos/coreos-cloudinit/datasource/metadata"
 	"github.com/coreos/coreos-cloudinit/datasource/metadata/test"
 	"github.com/coreos/coreos-cloudinit/pkg"
@@ -38,7 +38,7 @@ func TestFetchMetadata(t *testing.T) {
 		root         string
 		metadataPath string
 		resources    map[string]string
-		expect       []byte
+		expect       datasource.Metadata
 		clientErr    error
 		expectErr    error
 	}{
@@ -83,7 +83,42 @@ func TestFetchMetadata(t *testing.T) {
   }
 }`,
 			},
-			expect: []byte(`{"hostname":"","public-ipv4":"192.168.1.2","public-ipv6":"fe00::","public_keys":{"0":"publickey1","1":"publickey2"}}`),
+			expect: datasource.Metadata{
+				PublicIPv4: net.ParseIP("192.168.1.2"),
+				PublicIPv6: net.ParseIP("fe00::"),
+				SSHPublicKeys: map[string]string{
+					"0": "publickey1",
+					"1": "publickey2",
+				},
+				NetworkConfig: []byte(`{
+  "droplet_id": 1,
+  "user_data": "hello",
+  "vendor_data": "hello",
+  "public_keys": [
+    "publickey1",
+    "publickey2"
+  ],
+  "region": "nyc2",
+  "interfaces": {
+    "public": [
+      {
+        "ipv4": {
+          "ip_address": "192.168.1.2",
+          "netmask": "255.255.255.0",
+          "gateway": "192.168.1.1"
+        },
+        "ipv6": {
+          "ip_address": "fe00::",
+          "cidr": 126,
+          "gateway": "fe00::"
+        },
+        "mac": "ab:cd:ef:gh:ij",
+        "type": "public"
+      }
+    ]
+  }
+}`),
+			},
 		},
 		{
 			clientErr: pkg.ErrTimeout{Err: fmt.Errorf("test error")},
@@ -101,8 +136,8 @@ func TestFetchMetadata(t *testing.T) {
 		if Error(err) != Error(tt.expectErr) {
 			t.Fatalf("bad error (%q): want %q, got %q", tt.resources, tt.expectErr, err)
 		}
-		if !bytes.Equal(metadata, tt.expect) {
-			t.Fatalf("bad fetch (%q): want %q, got %q", tt.resources, tt.expect, metadata)
+		if !reflect.DeepEqual(tt.expect, metadata) {
+			t.Fatalf("bad fetch (%q): want %#q, got %#q", tt.resources, tt.expect, metadata)
 		}
 	}
 }

datasource/metadata/ec2/metadata.go

@@ -1,28 +1,27 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package ec2
 
 import (
 	"bufio"
 	"bytes"
-	"encoding/json"
 	"fmt"
+	"net"
 	"strings"
 
+	"github.com/coreos/coreos-cloudinit/datasource"
 	"github.com/coreos/coreos-cloudinit/datasource/metadata"
 	"github.com/coreos/coreos-cloudinit/pkg"
 )
@@ -42,59 +41,51 @@ func NewDatasource(root string) *metadataService {
 	return &metadataService{metadata.NewDatasource(root, apiVersion, userdataPath, metadataPath)}
 }
 
-func (ms metadataService) FetchMetadata() ([]byte, error) {
-	attrs := make(map[string]interface{})
+func (ms metadataService) FetchMetadata() (datasource.Metadata, error) {
+	metadata := datasource.Metadata{}
+
 	if keynames, err := ms.fetchAttributes(fmt.Sprintf("%s/public-keys", ms.MetadataUrl())); err == nil {
 		keyIDs := make(map[string]string)
 		for _, keyname := range keynames {
 			tokens := strings.SplitN(keyname, "=", 2)
 			if len(tokens) != 2 {
-				return nil, fmt.Errorf("malformed public key: %q", keyname)
+				return metadata, fmt.Errorf("malformed public key: %q", keyname)
 			}
 			keyIDs[tokens[1]] = tokens[0]
 		}
 
-		keys := make(map[string]string)
+		metadata.SSHPublicKeys = map[string]string{}
 		for name, id := range keyIDs {
 			sshkey, err := ms.fetchAttribute(fmt.Sprintf("%s/public-keys/%s/openssh-key", ms.MetadataUrl(), id))
 			if err != nil {
-				return nil, err
+				return metadata, err
 			}
-			keys[name] = sshkey
+			metadata.SSHPublicKeys[name] = sshkey
 			fmt.Printf("Found SSH key for %q\n", name)
 		}
-		attrs["public_keys"] = keys
 	} else if _, ok := err.(pkg.ErrNotFound); !ok {
-		return nil, err
+		return metadata, err
 	}
 
 	if hostname, err := ms.fetchAttribute(fmt.Sprintf("%s/hostname", ms.MetadataUrl())); err == nil {
-		attrs["hostname"] = strings.Split(hostname, " ")[0]
+		metadata.Hostname = strings.Split(hostname, " ")[0]
 	} else if _, ok := err.(pkg.ErrNotFound); !ok {
-		return nil, err
+		return metadata, err
 	}
 
 	if localAddr, err := ms.fetchAttribute(fmt.Sprintf("%s/local-ipv4", ms.MetadataUrl())); err == nil {
-		attrs["local-ipv4"] = localAddr
+		metadata.PrivateIPv4 = net.ParseIP(localAddr)
 	} else if _, ok := err.(pkg.ErrNotFound); !ok {
-		return nil, err
+		return metadata, err
 	}
 
 	if publicAddr, err := ms.fetchAttribute(fmt.Sprintf("%s/public-ipv4", ms.MetadataUrl())); err == nil {
-		attrs["public-ipv4"] = publicAddr
+		metadata.PublicIPv4 = net.ParseIP(publicAddr)
 	} else if _, ok := err.(pkg.ErrNotFound); !ok {
-		return nil, err
+		return metadata, err
 	}
 
-	if content_path, err := ms.fetchAttribute(fmt.Sprintf("%s/network_config/content_path", ms.MetadataUrl())); err == nil {
-		attrs["network_config"] = map[string]string{
-			"content_path": content_path,
-		}
-	} else if _, ok := err.(pkg.ErrNotFound); !ok {
-		return nil, err
-	}
-
-	return json.Marshal(attrs)
+	return metadata, nil
 }
 
 func (ms metadataService) Type() string {

datasource/metadata/ec2/metadata_test.go

@@ -1,27 +1,26 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package ec2
 
 import (
-	"bytes"
 	"fmt"
+	"net"
 	"reflect"
 	"testing"
 
+	"github.com/coreos/coreos-cloudinit/datasource"
 	"github.com/coreos/coreos-cloudinit/datasource/metadata"
 	"github.com/coreos/coreos-cloudinit/datasource/metadata/test"
 	"github.com/coreos/coreos-cloudinit/pkg"
@@ -147,7 +146,7 @@ func TestFetchMetadata(t *testing.T) {
 		root         string
 		metadataPath string
 		resources    map[string]string
-		expect       []byte
+		expect       datasource.Metadata
 		clientErr    error
 		expectErr    error
 	}{
@@ -163,29 +162,37 @@ func TestFetchMetadata(t *testing.T) {
 			root:         "/",
 			metadataPath: "2009-04-04/meta-data",
 			resources: map[string]string{
-				"/2009-04-04/meta-data/hostname":                    "host",
-				"/2009-04-04/meta-data/local-ipv4":                  "1.2.3.4",
-				"/2009-04-04/meta-data/public-ipv4":                 "5.6.7.8",
-				"/2009-04-04/meta-data/public-keys":                 "0=test1\n",
-				"/2009-04-04/meta-data/public-keys/0":               "openssh-key",
-				"/2009-04-04/meta-data/public-keys/0/openssh-key":   "key",
-				"/2009-04-04/meta-data/network_config/content_path": "path",
+				"/2009-04-04/meta-data/hostname":                  "host",
+				"/2009-04-04/meta-data/local-ipv4":                "1.2.3.4",
+				"/2009-04-04/meta-data/public-ipv4":               "5.6.7.8",
+				"/2009-04-04/meta-data/public-keys":               "0=test1\n",
+				"/2009-04-04/meta-data/public-keys/0":             "openssh-key",
+				"/2009-04-04/meta-data/public-keys/0/openssh-key": "key",
+			},
+			expect: datasource.Metadata{
+				Hostname:      "host",
+				PrivateIPv4:   net.ParseIP("1.2.3.4"),
+				PublicIPv4:    net.ParseIP("5.6.7.8"),
+				SSHPublicKeys: map[string]string{"test1": "key"},
 			},
-			expect: []byte(`{"hostname":"host","local-ipv4":"1.2.3.4","network_config":{"content_path":"path"},"public-ipv4":"5.6.7.8","public_keys":{"test1":"key"}}`),
 		},
 		{
 			root:         "/",
 			metadataPath: "2009-04-04/meta-data",
 			resources: map[string]string{
-				"/2009-04-04/meta-data/hostname":                    "host domain another_domain",
-				"/2009-04-04/meta-data/local-ipv4":                  "1.2.3.4",
-				"/2009-04-04/meta-data/public-ipv4":                 "5.6.7.8",
-				"/2009-04-04/meta-data/public-keys":                 "0=test1\n",
-				"/2009-04-04/meta-data/public-keys/0":               "openssh-key",
-				"/2009-04-04/meta-data/public-keys/0/openssh-key":   "key",
-				"/2009-04-04/meta-data/network_config/content_path": "path",
+				"/2009-04-04/meta-data/hostname":                  "host domain another_domain",
+				"/2009-04-04/meta-data/local-ipv4":                "1.2.3.4",
+				"/2009-04-04/meta-data/public-ipv4":               "5.6.7.8",
+				"/2009-04-04/meta-data/public-keys":               "0=test1\n",
+				"/2009-04-04/meta-data/public-keys/0":             "openssh-key",
+				"/2009-04-04/meta-data/public-keys/0/openssh-key": "key",
+			},
+			expect: datasource.Metadata{
+				Hostname:      "host",
+				PrivateIPv4:   net.ParseIP("1.2.3.4"),
+				PublicIPv4:    net.ParseIP("5.6.7.8"),
+				SSHPublicKeys: map[string]string{"test1": "key"},
 			},
-			expect: []byte(`{"hostname":"host","local-ipv4":"1.2.3.4","network_config":{"content_path":"path"},"public-ipv4":"5.6.7.8","public_keys":{"test1":"key"}}`),
 		},
 		{
 			clientErr: pkg.ErrTimeout{Err: fmt.Errorf("test error")},
@@ -201,8 +208,8 @@ func TestFetchMetadata(t *testing.T) {
 		if Error(err) != Error(tt.expectErr) {
 			t.Fatalf("bad error (%q): want %q, got %q", tt.resources, tt.expectErr, err)
 		}
-		if !bytes.Equal(metadata, tt.expect) {
-			t.Fatalf("bad fetch (%q): want %q, got %q", tt.resources, tt.expect, metadata)
+		if !reflect.DeepEqual(tt.expect, metadata) {
+			t.Fatalf("bad fetch (%q): want %#v, got %#v", tt.resources, tt.expect, metadata)
 		}
 	}
 }

datasource/metadata/metadata.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package metadata
 
@@ -54,10 +52,6 @@ func (ms MetadataService) FetchUserdata() ([]byte, error) {
 	return ms.FetchData(ms.UserdataUrl())
 }
 
-func (ms MetadataService) FetchNetworkConfig(filename string) ([]byte, error) {
-	return nil, nil
-}
-
 func (ms MetadataService) FetchData(url string) ([]byte, error) {
 	if data, err := ms.Client.GetRetry(url); err == nil {
 		return data, err

datasource/metadata/metadata_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package metadata
 

datasource/metadata/test/test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package test
 

datasource/proc_cmdline/proc_cmdline.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package proc_cmdline
 
@@ -22,6 +20,7 @@ import (
 	"log"
 	"strings"
 
+	"github.com/coreos/coreos-cloudinit/datasource"
 	"github.com/coreos/coreos-cloudinit/pkg"
 )
 
@@ -57,8 +56,8 @@ func (c *procCmdline) ConfigRoot() string {
 	return ""
 }
 
-func (c *procCmdline) FetchMetadata() ([]byte, error) {
-	return []byte{}, nil
+func (c *procCmdline) FetchMetadata() (datasource.Metadata, error) {
+	return datasource.Metadata{}, nil
 }
 
 func (c *procCmdline) FetchUserdata() ([]byte, error) {
@@ -82,10 +81,6 @@ func (c *procCmdline) FetchUserdata() ([]byte, error) {
 	return cfg, nil
 }
 
-func (c *procCmdline) FetchNetworkConfig(filename string) ([]byte, error) {
-	return nil, nil
-}
-
 func (c *procCmdline) Type() string {
 	return "proc-cmdline"
 }

datasource/proc_cmdline/proc_cmdline_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package proc_cmdline
 

datasource/test/test.go

@@ -0,0 +1,28 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package test
+
+import (
+	"os"
+)
+
+type MockFilesystem map[string]string
+
+func (m MockFilesystem) ReadFile(filename string) ([]byte, error) {
+	if contents, ok := m[filename]; ok {
+		return []byte(contents), nil
+	}
+	return nil, os.ErrNotExist
+}

datasource/url/url.go

@@ -1,22 +1,21 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package url
 
 import (
+	"github.com/coreos/coreos-cloudinit/datasource"
 	"github.com/coreos/coreos-cloudinit/pkg"
 )
 
@@ -42,8 +41,8 @@ func (f *remoteFile) ConfigRoot() string {
 	return ""
 }
 
-func (f *remoteFile) FetchMetadata() ([]byte, error) {
-	return []byte{}, nil
+func (f *remoteFile) FetchMetadata() (datasource.Metadata, error) {
+	return datasource.Metadata{}, nil
 }
 
 func (f *remoteFile) FetchUserdata() ([]byte, error) {
@@ -51,10 +50,6 @@ func (f *remoteFile) FetchUserdata() ([]byte, error) {
 	return client.GetRetry(f.url)
 }
 
-func (f *remoteFile) FetchNetworkConfig(filename string) ([]byte, error) {
-	return nil, nil
-}
-
 func (f *remoteFile) Type() string {
 	return "url"
 }

datasource/waagent/waagent.go

@@ -1,29 +1,28 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package waagent
 
 import (
-	"encoding/json"
 	"encoding/xml"
 	"fmt"
 	"io/ioutil"
 	"net"
 	"os"
 	"path"
+
+	"github.com/coreos/coreos-cloudinit/datasource"
 )
 
 type waagent struct {
@@ -48,13 +47,13 @@ func (a *waagent) ConfigRoot() string {
 	return a.root
 }
 
-func (a *waagent) FetchMetadata() ([]byte, error) {
-	metadataBytes, err := a.tryReadFile(path.Join(a.root, "SharedConfig.xml"))
-	if err != nil {
-		return nil, err
+func (a *waagent) FetchMetadata() (metadata datasource.Metadata, err error) {
+	var metadataBytes []byte
+	if metadataBytes, err = a.tryReadFile(path.Join(a.root, "SharedConfig.xml")); err != nil {
+		return
 	}
 	if len(metadataBytes) == 0 {
-		return metadataBytes, nil
+		return
 	}
 
 	type Instance struct {
@@ -76,40 +75,34 @@ func (a *waagent) FetchMetadata() ([]byte, error) {
 		}
 	}
 
-	var metadata SharedConfig
-	if err := xml.Unmarshal(metadataBytes, &metadata); err != nil {
-		return nil, err
+	var m SharedConfig
+	if err = xml.Unmarshal(metadataBytes, &m); err != nil {
+		return
 	}
 
 	var instance Instance
-	for _, i := range metadata.Instances.Instances {
-		if i.Id == metadata.Incarnation.Instance {
+	for _, i := range m.Instances.Instances {
+		if i.Id == m.Incarnation.Instance {
 			instance = i
 			break
 		}
 	}
 
-	attrs := map[string]string{
-		"local-ipv4": instance.Address,
-	}
+	metadata.PrivateIPv4 = net.ParseIP(instance.Address)
 	for _, e := range instance.InputEndpoints.Endpoints {
 		host, _, err := net.SplitHostPort(e.LoadBalancedPublicAddress)
 		if err == nil {
-			attrs["public-ipv4"] = host
+			metadata.PublicIPv4 = net.ParseIP(host)
 			break
 		}
 	}
-	return json.Marshal(attrs)
+	return
 }
 
 func (a *waagent) FetchUserdata() ([]byte, error) {
 	return a.tryReadFile(path.Join(a.root, "CustomData"))
 }
 
-func (a *waagent) FetchNetworkConfig(filename string) ([]byte, error) {
-	return nil, nil
-}
-
 func (a *waagent) Type() string {
 	return "waagent"
 }

datasource/waagent/waagent_test.go

@@ -1,61 +1,49 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package waagent
 
 import (
-	"encoding/json"
-	"os"
+	"net"
 	"reflect"
 	"testing"
+
+	"github.com/coreos/coreos-cloudinit/datasource"
+	"github.com/coreos/coreos-cloudinit/datasource/test"
 )
 
-type mockFilesystem map[string][]byte
-
-func (m mockFilesystem) readFile(filename string) ([]byte, error) {
-	if contents := m[filename]; contents != nil {
-		return contents, nil
-	}
-	return nil, os.ErrNotExist
-}
-
 func TestFetchMetadata(t *testing.T) {
 	for _, tt := range []struct {
 		root     string
-		files    mockFilesystem
-		metadata map[string]string
+		files    test.MockFilesystem
+		metadata datasource.Metadata
 	}{
 		{
-			"/",
-			mockFilesystem{},
-			nil,
+			root:  "/",
+			files: test.MockFilesystem{},
 		},
 		{
-			"/",
-			mockFilesystem{"/SharedConfig.xml": []byte("")},
-			nil,
+			root:  "/",
+			files: test.MockFilesystem{"/SharedConfig.xml": ""},
 		},
 		{
-			"/var/lib/waagent",
-			mockFilesystem{"/var/lib/waagent/SharedConfig.xml": []byte("")},
-			nil,
+			root:  "/var/lib/waagent",
+			files: test.MockFilesystem{"/var/lib/waagent/SharedConfig.xml": ""},
 		},
 		{
-			"/var/lib/waagent",
-			mockFilesystem{"/var/lib/waagent/SharedConfig.xml": []byte(`<?xml version="1.0" encoding="utf-8"?>
+			root: "/var/lib/waagent",
+			files: test.MockFilesystem{"/var/lib/waagent/SharedConfig.xml": `<?xml version="1.0" encoding="utf-8"?>
 <SharedConfig version="1.0.0.0" goalStateIncarnation="1">
   <Deployment name="c8f9e4c9c18948e1bebf57c5685da756" guid="{1d10394f-c741-4a1a-a6bb-278f213c5a5e}" incarnation="0" isNonCancellableTopologyChangeEnabled="false">
     <Service name="core-test-1" guid="{00000000-0000-0000-0000-000000000000}" />
@@ -91,26 +79,20 @@ func TestFetchMetadata(t *testing.T) {
       </InputEndpoints>
     </Instance>
   </Instances>
-</SharedConfig>`)},
-			map[string]string{
-				"local-ipv4":  "100.73.202.64",
-				"public-ipv4": "191.239.39.77",
+</SharedConfig>`},
+			metadata: datasource.Metadata{
+				PrivateIPv4: net.ParseIP("100.73.202.64"),
+				PublicIPv4:  net.ParseIP("191.239.39.77"),
 			},
 		},
 	} {
-		a := waagent{tt.root, tt.files.readFile}
-		metadataBytes, err := a.FetchMetadata()
+		a := waagent{tt.root, tt.files.ReadFile}
+		metadata, err := a.FetchMetadata()
 		if err != nil {
 			t.Fatalf("bad error for %q: want %v, got %q", tt, nil, err)
 		}
-		var metadata map[string]string
-		if len(metadataBytes) > 0 {
-			if err := json.Unmarshal(metadataBytes, &metadata); err != nil {
-				panic(err)
-			}
-		}
 		if !reflect.DeepEqual(tt.metadata, metadata) {
-			t.Fatalf("bad metadata for %q: want %q, got %q", tt, tt.metadata, metadata)
+			t.Fatalf("bad metadata for %q: want %#v, got %#v", tt, tt.metadata, metadata)
 		}
 	}
 }
@@ -118,22 +100,22 @@ func TestFetchMetadata(t *testing.T) {
 func TestFetchUserdata(t *testing.T) {
 	for _, tt := range []struct {
 		root  string
-		files mockFilesystem
+		files test.MockFilesystem
 	}{
 		{
 			"/",
-			mockFilesystem{},
+			test.MockFilesystem{},
 		},
 		{
 			"/",
-			mockFilesystem{"/CustomData": []byte{}},
+			test.MockFilesystem{"/CustomData": ""},
 		},
 		{
 			"/var/lib/waagent/",
-			mockFilesystem{"/var/lib/waagent/CustomData": []byte{}},
+			test.MockFilesystem{"/var/lib/waagent/CustomData": ""},
 		},
 	} {
-		a := waagent{tt.root, tt.files.readFile}
+		a := waagent{tt.root, tt.files.ReadFile}
 		_, err := a.FetchUserdata()
 		if err != nil {
 			t.Fatalf("bad error for %q: want %v, got %q", tt, nil, err)

initialize/config.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package initialize
 
@@ -44,7 +42,7 @@ type CloudConfigUnit interface {
 // Apply renders a CloudConfig to an Environment. This can involve things like
 // configuring the hostname, adding new users, writing various configuration
 // files to disk, and manipulating systemd services.
-func Apply(cfg config.CloudConfig, env *Environment) error {
+func Apply(cfg config.CloudConfig, ifaces []network.InterfaceGenerator, env *Environment) error {
 	if cfg.Hostname != "" {
 		if err := system.SetHostname(cfg.Hostname); err != nil {
 			return err
@@ -167,23 +165,9 @@ func Apply(cfg config.CloudConfig, env *Environment) error {
 		}
 	}
 
-	if env.NetconfType() != "" {
-		var interfaces []network.InterfaceGenerator
-		var err error
-		switch env.NetconfType() {
-		case "debian":
-			interfaces, err = network.ProcessDebianNetconf(cfg.NetworkConfig)
-		case "digitalocean":
-			interfaces, err = network.ProcessDigitalOceanNetconf(cfg.NetworkConfig)
-		default:
-			err = fmt.Errorf("Unsupported network config format %q", env.NetconfType())
-		}
-		if err != nil {
-			return err
-		}
-
-		units = append(units, createNetworkingUnits(interfaces)...)
-		if err := system.RestartNetwork(interfaces); err != nil {
+	if len(ifaces) > 0 {
+		units = append(units, createNetworkingUnits(ifaces)...)
+		if err := system.RestartNetwork(ifaces); err != nil {
 			return err
 		}
 	}

initialize/config_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package initialize
 

initialize/env.go

@@ -1,28 +1,28 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package initialize
 
 import (
+	"net"
 	"os"
 	"path"
 	"regexp"
 	"strings"
 
 	"github.com/coreos/coreos-cloudinit/config"
+	"github.com/coreos/coreos-cloudinit/datasource"
 	"github.com/coreos/coreos-cloudinit/system"
 )
 
@@ -32,28 +32,25 @@ type Environment struct {
 	root          string
 	configRoot    string
 	workspace     string
-	netconfType   string
 	sshKeyName    string
 	substitutions map[string]string
 }
 
 // TODO(jonboulle): this is getting unwieldy, should be able to simplify the interface somehow
-func NewEnvironment(root, configRoot, workspace, netconfType, sshKeyName string, substitutions map[string]string) *Environment {
-	if substitutions == nil {
-		substitutions = make(map[string]string)
-	}
-	// If certain values are not in the supplied substitution, fall back to retrieving them from the environment
-	for k, v := range map[string]string{
-		"$public_ipv4":  os.Getenv("COREOS_PUBLIC_IPV4"),
-		"$private_ipv4": os.Getenv("COREOS_PRIVATE_IPV4"),
-		"$public_ipv6":  os.Getenv("COREOS_PUBLIC_IPV6"),
-		"$private_ipv6": os.Getenv("COREOS_PRIVATE_IPV6"),
-	} {
-		if _, ok := substitutions[k]; !ok {
-			substitutions[k] = v
+func NewEnvironment(root, configRoot, workspace, sshKeyName string, metadata datasource.Metadata) *Environment {
+	firstNonNull := func(ip net.IP, env string) string {
+		if ip == nil {
+			return env
 		}
+		return ip.String()
 	}
-	return &Environment{root, configRoot, workspace, netconfType, sshKeyName, substitutions}
+	substitutions := map[string]string{
+		"$public_ipv4":  firstNonNull(metadata.PublicIPv4, os.Getenv("COREOS_PUBLIC_IPV4")),
+		"$private_ipv4": firstNonNull(metadata.PrivateIPv4, os.Getenv("COREOS_PRIVATE_IPV4")),
+		"$public_ipv6":  firstNonNull(metadata.PublicIPv6, os.Getenv("COREOS_PUBLIC_IPV6")),
+		"$private_ipv6": firstNonNull(metadata.PrivateIPv6, os.Getenv("COREOS_PRIVATE_IPV6")),
+	}
+	return &Environment{root, configRoot, workspace, sshKeyName, substitutions}
 }
 
 func (e *Environment) Workspace() string {
@@ -68,10 +65,6 @@ func (e *Environment) ConfigRoot() string {
 	return e.configRoot
 }
 
-func (e *Environment) NetconfType() string {
-	return e.netconfType
-}
-
 func (e *Environment) SSHKeyName() string {
 	return e.sshKeyName
 }

initialize/env_test.go

@@ -1,27 +1,27 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package initialize
 
 import (
 	"io/ioutil"
+	"net"
 	"os"
 	"path"
 	"testing"
 
+	"github.com/coreos/coreos-cloudinit/datasource"
 	"github.com/coreos/coreos-cloudinit/system"
 )
 
@@ -31,18 +31,18 @@ func TestEnvironmentApply(t *testing.T) {
 	os.Setenv("COREOS_PUBLIC_IPV6", "1234::")
 	os.Setenv("COREOS_PRIVATE_IPV6", "5678::")
 	for _, tt := range []struct {
-		subs  map[string]string
-		input string
-		out   string
+		metadata datasource.Metadata
+		input    string
+		out      string
 	}{
 		{
 			// Substituting both values directly should always take precedence
 			// over environment variables
-			map[string]string{
-				"$public_ipv4":  "192.0.2.3",
-				"$private_ipv4": "192.0.2.203",
-				"$public_ipv6":  "fe00:1234::",
-				"$private_ipv6": "fe00:5678::",
+			datasource.Metadata{
+				PublicIPv4:  net.ParseIP("192.0.2.3"),
+				PrivateIPv4: net.ParseIP("192.0.2.203"),
+				PublicIPv6:  net.ParseIP("fe00:1234::"),
+				PrivateIPv6: net.ParseIP("fe00:5678::"),
 			},
 			`[Service]
 ExecStart=/usr/bin/echo "$public_ipv4 $public_ipv6"
@@ -55,25 +55,29 @@ ExecStop=/usr/bin/echo $unknown`,
 		},
 		{
 			// Substituting one value directly while falling back with the other
-			map[string]string{"$private_ipv4": "127.0.0.1"},
+			datasource.Metadata{
+				PrivateIPv4: net.ParseIP("127.0.0.1"),
+			},
 			"$private_ipv4\n$public_ipv4",
 			"127.0.0.1\n1.2.3.4",
 		},
 		{
 			// Falling back to environment variables for both values
-			map[string]string{"foo": "bar"},
+			datasource.Metadata{},
 			"$private_ipv4\n$public_ipv4",
 			"5.6.7.8\n1.2.3.4",
 		},
 		{
 			// No substitutions
-			nil,
+			datasource.Metadata{},
 			"$private_ipv4\nfoobar",
 			"5.6.7.8\nfoobar",
 		},
 		{
 			// Escaping substitutions
-			map[string]string{"$private_ipv4": "127.0.0.1"},
+			datasource.Metadata{
+				PrivateIPv4: net.ParseIP("127.0.0.1"),
+			},
 			`\$private_ipv4
 $private_ipv4
 addr: \$private_ipv4
@@ -85,13 +89,13 @@ addr: $private_ipv4
 		},
 		{
 			// No substitutions with escaping
-			nil,
+			datasource.Metadata{},
 			"\\$test\n$test",
 			"\\$test\n$test",
 		},
 	} {
 
-		env := NewEnvironment("./", "./", "./", "", "", tt.subs)
+		env := NewEnvironment("./", "./", "./", "", tt.metadata)
 		got := env.Apply(tt.input)
 		if got != tt.out {
 			t.Fatalf("Environment incorrectly applied.\ngot:\n%s\nwant:\n%s", got, tt.out)
@@ -100,11 +104,11 @@ addr: $private_ipv4
 }
 
 func TestEnvironmentFile(t *testing.T) {
-	subs := map[string]string{
-		"$public_ipv4":  "1.2.3.4",
-		"$private_ipv4": "5.6.7.8",
-		"$public_ipv6":  "1234::",
-		"$private_ipv6": "5678::",
+	metadata := datasource.Metadata{
+		PublicIPv4:  net.ParseIP("1.2.3.4"),
+		PrivateIPv4: net.ParseIP("5.6.7.8"),
+		PublicIPv6:  net.ParseIP("1234::"),
+		PrivateIPv6: net.ParseIP("5678::"),
 	}
 	expect := "COREOS_PRIVATE_IPV4=5.6.7.8\nCOREOS_PRIVATE_IPV6=5678::\nCOREOS_PUBLIC_IPV4=1.2.3.4\nCOREOS_PUBLIC_IPV6=1234::\n"
 
@@ -114,7 +118,7 @@ func TestEnvironmentFile(t *testing.T) {
 	}
 	defer os.RemoveAll(dir)
 
-	env := NewEnvironment("./", "./", "./", "", "", subs)
+	env := NewEnvironment("./", "./", "./", "", metadata)
 	ef := env.DefaultEnvironmentFile()
 	err = system.WriteEnvFile(ef, dir)
 	if err != nil {
@@ -133,14 +137,10 @@ func TestEnvironmentFile(t *testing.T) {
 }
 
 func TestEnvironmentFileNil(t *testing.T) {
-	subs := map[string]string{
-		"$public_ipv4":  "",
-		"$private_ipv4": "",
-		"$public_ipv6":  "",
-		"$private_ipv6": "",
-	}
+	os.Clearenv()
+	metadata := datasource.Metadata{}
 
-	env := NewEnvironment("./", "./", "./", "", "", subs)
+	env := NewEnvironment("./", "./", "./", "", metadata)
 	ef := env.DefaultEnvironmentFile()
 	if ef != nil {
 		t.Fatalf("Environment file not nil: %v", ef)

initialize/github.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package initialize
 

initialize/meta_data.go

@@ -1,90 +0,0 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
-
-package initialize
-
-import (
-	"encoding/json"
-	"sort"
-
-	"github.com/coreos/coreos-cloudinit/config"
-)
-
-// ParseMetaData parses a JSON blob in the OpenStack metadata service format,
-// and converts it to a partially hydrated CloudConfig.
-func ParseMetaData(contents string) (*config.CloudConfig, error) {
-	if len(contents) == 0 {
-		return nil, nil
-	}
-	var metadata struct {
-		SSHAuthorizedKeyMap map[string]string `json:"public_keys"`
-		Hostname            string            `json:"hostname"`
-		NetworkConfig       struct {
-			ContentPath string `json:"content_path"`
-		} `json:"network_config"`
-	}
-	if err := json.Unmarshal([]byte(contents), &metadata); err != nil {
-		return nil, err
-	}
-
-	var cfg config.CloudConfig
-	if len(metadata.SSHAuthorizedKeyMap) > 0 {
-		cfg.SSHAuthorizedKeys = make([]string, 0, len(metadata.SSHAuthorizedKeyMap))
-		for _, name := range sortedKeys(metadata.SSHAuthorizedKeyMap) {
-			cfg.SSHAuthorizedKeys = append(cfg.SSHAuthorizedKeys, metadata.SSHAuthorizedKeyMap[name])
-		}
-	}
-	cfg.Hostname = metadata.Hostname
-	cfg.NetworkConfigPath = metadata.NetworkConfig.ContentPath
-	return &cfg, nil
-}
-
-// ExtractIPsFromMetaData parses a JSON blob in the OpenStack metadata service
-// format and returns a substitution map possibly containing private_ipv4,
-// public_ipv4, private_ipv6, and public_ipv6 addresses.
-func ExtractIPsFromMetadata(contents []byte) (map[string]string, error) {
-	var ips struct {
-		PublicIPv4  string `json:"public-ipv4"`
-		PrivateIPv4 string `json:"local-ipv4"`
-		PublicIPv6  string `json:"public-ipv6"`
-		PrivateIPv6 string `json:"local-ipv6"`
-	}
-	if err := json.Unmarshal(contents, &ips); err != nil {
-		return nil, err
-	}
-	m := make(map[string]string)
-	if ips.PrivateIPv4 != "" {
-		m["$private_ipv4"] = ips.PrivateIPv4
-	}
-	if ips.PublicIPv4 != "" {
-		m["$public_ipv4"] = ips.PublicIPv4
-	}
-	if ips.PrivateIPv6 != "" {
-		m["$private_ipv6"] = ips.PrivateIPv6
-	}
-	if ips.PublicIPv6 != "" {
-		m["$public_ipv6"] = ips.PublicIPv6
-	}
-	return m, nil
-}
-
-func sortedKeys(m map[string]string) (keys []string) {
-	for key := range m {
-		keys = append(keys, key)
-	}
-	sort.Strings(keys)
-	return
-}

initialize/meta_data_test.go

@@ -1,89 +0,0 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
-
-package initialize
-
-import (
-	"reflect"
-	"testing"
-
-	"github.com/coreos/coreos-cloudinit/config"
-)
-
-func TestParseMetadata(t *testing.T) {
-	for i, tt := range []struct {
-		in   string
-		want *config.CloudConfig
-		err  bool
-	}{
-		{"", nil, false},
-		{`garbage, invalid json`, nil, true},
-		{`{"foo": "bar"}`, &config.CloudConfig{}, false},
-		{`{"network_config": {"content_path": "asdf"}}`, &config.CloudConfig{NetworkConfigPath: "asdf"}, false},
-		{`{"hostname": "turkleton"}`, &config.CloudConfig{Hostname: "turkleton"}, false},
-		{`{"public_keys": {"jack": "jill", "bob": "alice"}}`, &config.CloudConfig{SSHAuthorizedKeys: []string{"alice", "jill"}}, false},
-		{`{"unknown": "thing", "hostname": "my_host", "public_keys": {"do": "re", "mi": "fa"}, "network_config": {"content_path": "/root", "blah": "zzz"}}`, &config.CloudConfig{SSHAuthorizedKeys: []string{"re", "fa"}, Hostname: "my_host", NetworkConfigPath: "/root"}, false},
-	} {
-		got, err := ParseMetaData(tt.in)
-		if tt.err != (err != nil) {
-			t.Errorf("case #%d: bad error state: got %t, want %t (err=%v)", i, (err != nil), tt.err, err)
-		}
-		if got == nil {
-			if tt.want != nil {
-				t.Errorf("case #%d: unexpected nil output", i)
-			}
-		} else if tt.want == nil {
-			t.Errorf("case #%d: unexpected non-nil output", i)
-		} else {
-			if !reflect.DeepEqual(*got, *tt.want) {
-				t.Errorf("case #%d: bad output:\ngot\n%v\nwant\n%v", i, *got, *tt.want)
-			}
-		}
-	}
-
-}
-
-func TestExtractIPsFromMetadata(t *testing.T) {
-	for i, tt := range []struct {
-		in  []byte
-		err bool
-		out map[string]string
-	}{
-		{
-			[]byte(`{"public-ipv4": "12.34.56.78", "local-ipv4": "1.2.3.4", "public-ipv6": "1234::", "local-ipv6": "5678::"}`),
-			false,
-			map[string]string{"$public_ipv4": "12.34.56.78", "$private_ipv4": "1.2.3.4", "$public_ipv6": "1234::", "$private_ipv6": "5678::"},
-		},
-		{
-			[]byte(`{"local-ipv4": "127.0.0.1", "something_else": "don't care"}`),
-			false,
-			map[string]string{"$private_ipv4": "127.0.0.1"},
-		},
-		{
-			[]byte(`garbage`),
-			true,
-			nil,
-		},
-	} {
-		got, err := ExtractIPsFromMetadata(tt.in)
-		if (err != nil) != tt.err {
-			t.Errorf("bad error state (got %t, want %t)", err != nil, tt.err)
-		}
-		if !reflect.DeepEqual(got, tt.out) {
-			t.Errorf("case %d: got %s, want %s", i, got, tt.out)
-		}
-	}
-}

initialize/ssh_keys.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package initialize
 

initialize/ssh_keys_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package initialize
 

initialize/user_data.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package initialize
 

initialize/user_data_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package initialize
 

initialize/workspace.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package initialize
 

network/debian.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package network
 
@@ -21,9 +19,9 @@ import (
 	"strings"
 )
 
-func ProcessDebianNetconf(config string) ([]InterfaceGenerator, error) {
+func ProcessDebianNetconf(config []byte) ([]InterfaceGenerator, error) {
 	log.Println("Processing Debian network config")
-	lines := formatConfig(config)
+	lines := formatConfig(string(config))
 	stanzas, err := parseStanzas(lines)
 	if err != nil {
 		return nil, err

network/debian_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package network
 
@@ -46,7 +44,7 @@ func TestProcessDebianNetconf(t *testing.T) {
 		{"auto eth1\nauto eth2", false, 0},
 		{"iface eth1 inet manual", false, 1},
 	} {
-		interfaces, err := ProcessDebianNetconf(tt.in)
+		interfaces, err := ProcessDebianNetconf([]byte(tt.in))
 		failed := err != nil
 		if tt.fail != failed {
 			t.Fatalf("bad failure state for %q: got %t, want %t", tt.in, failed, tt.fail)

network/digitalocean.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package network
 
@@ -25,14 +23,14 @@ import (
 	"github.com/coreos/coreos-cloudinit/datasource/metadata/digitalocean"
 )
 
-func ProcessDigitalOceanNetconf(config string) ([]InterfaceGenerator, error) {
+func ProcessDigitalOceanNetconf(config []byte) ([]InterfaceGenerator, error) {
 	log.Println("Processing DigitalOcean network config")
-	if config == "" {
+	if len(config) == 0 {
 		return nil, nil
 	}
 
 	var cfg digitalocean.Metadata
-	if err := json.Unmarshal([]byte(config), &cfg); err != nil {
+	if err := json.Unmarshal(config, &cfg); err != nil {
 		return nil, err
 	}
 

network/digitalocean_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package network
 
@@ -380,7 +378,7 @@ func TestProcessDigitalOceanNetconf(t *testing.T) {
 			ifaces: []InterfaceGenerator{},
 		},
 	} {
-		ifaces, err := ProcessDigitalOceanNetconf(tt.cfg)
+		ifaces, err := ProcessDigitalOceanNetconf([]byte(tt.cfg))
 		if !errorsEqual(tt.err, err) {
 			t.Fatalf("bad error (%q): want %q, got %q", tt.cfg, tt.err, err)
 		}

network/interface.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package network
 

network/interface_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package network
 

network/stanza.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package network
 

network/stanza_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package network
 

pkg/http_client.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package pkg
 

pkg/http_client_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package pkg
 

system/env.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/env_file.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/env_file_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/env_test.go

@@ -1,3 +1,17 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package system
 
 import (

system/etc_hosts.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/etc_hosts_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/etcd.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/etcd_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/file.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/file_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/flannel.go

@@ -1,3 +1,17 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package system
 
 import (

system/flannel_test.go

@@ -1,3 +1,17 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package system
 
 import (

system/fleet.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/fleet_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/locksmith.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/locksmith_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/networkd.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/oem.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/oem_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/ssh_key.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/systemd.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/systemd_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/unit.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/unit_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/update.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/update_test.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

system/user.go

@@ -1,18 +1,16 @@
-/*
-   Copyright 2014 CoreOS, Inc.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 package system
 

test

@@ -33,7 +33,7 @@ declare -a TESTPKGS=(
 )
 
 if [ -z "$PKG" ]; then
-	GOFMTPATH="${TESTPKGS[*]} coreos-cloudinit.go"
+	GOFMTPATH="${TESTPKGS[*]} *.go"
 	# prepend repo path to each package
 	TESTPKGS="${TESTPKGS[*]/#/${REPO_PATH}/} ./"
 else