coreos-cloudinit: bump to 0.10.9

initialize: restart networkd before other units

config/config.go

@@ -1,214 +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 config
-
-import (
-	"fmt"
-	"log"
-	"reflect"
-	"strings"
-
-	"github.com/coreos/coreos-cloudinit/Godeps/_workspace/src/gopkg.in/yaml.v1"
-)
-
-// CloudConfig encapsulates the entire cloud-config configuration file and maps
-// directly to YAML. Fields that cannot be set in the cloud-config (fields
-// used for internal use) have the YAML tag '-' so that they aren't marshalled.
-type CloudConfig struct {
-	SSHAuthorizedKeys []string `yaml:"ssh_authorized_keys"`
-	Coreos            struct {
-		Etcd   Etcd   `yaml:"etcd"`
-		Fleet  Fleet  `yaml:"fleet"`
-		OEM    OEM    `yaml:"oem"`
-		Update Update `yaml:"update"`
-		Units  []Unit `yaml:"units"`
-	} `yaml:"coreos"`
-	WriteFiles        []File   `yaml:"write_files"`
-	Hostname          string   `yaml:"hostname"`
-	Users             []User   `yaml:"users"`
-	ManageEtcHosts    EtcHosts `yaml:"manage_etc_hosts"`
-	NetworkConfigPath string   `yaml:"-"`
-	NetworkConfig     string   `yaml:"-"`
-}
-
-// NewCloudConfig instantiates a new CloudConfig from the given contents (a
-// string of YAML), returning any error encountered. It will ignore unknown
-// fields but log encountering them.
-func NewCloudConfig(contents string) (*CloudConfig, error) {
-	var cfg CloudConfig
-	err := yaml.Unmarshal([]byte(contents), &cfg)
-	if err != nil {
-		return &cfg, err
-	}
-	warnOnUnrecognizedKeys(contents, log.Printf)
-	return &cfg, nil
-}
-
-func (cc CloudConfig) String() string {
-	bytes, err := yaml.Marshal(cc)
-	if err != nil {
-		return ""
-	}
-
-	stringified := string(bytes)
-	stringified = fmt.Sprintf("#cloud-config\n%s", stringified)
-
-	return stringified
-}
-
-// IsZero returns whether or not the parameter is the zero value for its type.
-// If the parameter is a struct, only the exported fields are considered.
-func IsZero(c interface{}) bool {
-	return isZero(reflect.ValueOf(c))
-}
-
-// AssertValid checks the fields in the structure and makes sure that they
-// contain valid values as specified by the 'valid' flag. Empty fields are
-// implicitly valid.
-func AssertValid(c interface{}) error {
-	ct := reflect.TypeOf(c)
-	cv := reflect.ValueOf(c)
-	for i := 0; i < ct.NumField(); i++ {
-		ft := ct.Field(i)
-		if !isFieldExported(ft) {
-			continue
-		}
-
-		valid := ft.Tag.Get("valid")
-		val := cv.Field(i)
-		if !isValid(val, valid) {
-			return fmt.Errorf("invalid value \"%v\" for option %q (valid options: %q)", val.Interface(), ft.Name, valid)
-		}
-	}
-	return nil
-}
-
-func isZero(v reflect.Value) bool {
-	switch v.Kind() {
-	case reflect.Struct:
-		vt := v.Type()
-		for i := 0; i < v.NumField(); i++ {
-			if isFieldExported(vt.Field(i)) && !isZero(v.Field(i)) {
-				return false
-			}
-		}
-		return true
-	default:
-		return v.Interface() == reflect.Zero(v.Type()).Interface()
-	}
-}
-
-func isFieldExported(f reflect.StructField) bool {
-	return f.PkgPath == ""
-}
-
-func isValid(v reflect.Value, valid string) bool {
-	if valid == "" || isZero(v) {
-		return true
-	}
-	vs := fmt.Sprintf("%v", v.Interface())
-	for _, valid := range strings.Split(valid, ",") {
-		if vs == valid {
-			return true
-		}
-	}
-	return false
-}
-
-type warner func(format string, v ...interface{})
-
-// warnOnUnrecognizedKeys parses the contents of a cloud-config file and calls
-// warn(msg, key) for every unrecognized key (i.e. those not present in CloudConfig)
-func warnOnUnrecognizedKeys(contents string, warn warner) {
-	// Generate a map of all understood cloud config options
-	var cc map[string]interface{}
-	b, _ := yaml.Marshal(&CloudConfig{})
-	yaml.Unmarshal(b, &cc)
-
-	// Now unmarshal the entire provided contents
-	var c map[string]interface{}
-	yaml.Unmarshal([]byte(contents), &c)
-
-	// Check that every key in the contents exists in the cloud config
-	for k, _ := range c {
-		if _, ok := cc[k]; !ok {
-			warn("Warning: unrecognized key %q in provided cloud config - ignoring section", k)
-		}
-	}
-
-	// Check for unrecognized coreos options, if any are set
-	if coreos, ok := c["coreos"]; ok {
-		if set, ok := coreos.(map[interface{}]interface{}); ok {
-			known := cc["coreos"].(map[interface{}]interface{})
-			for k, _ := range set {
-				if key, ok := k.(string); ok {
-					if _, ok := known[key]; !ok {
-						warn("Warning: unrecognized key %q in coreos section of provided cloud config - ignoring", key)
-					}
-				} else {
-					warn("Warning: unrecognized key %q in coreos section of provided cloud config - ignoring", k)
-				}
-			}
-		}
-	}
-
-	// Check for any badly-specified users, if any are set
-	if users, ok := c["users"]; ok {
-		var known map[string]interface{}
-		b, _ := yaml.Marshal(&User{})
-		yaml.Unmarshal(b, &known)
-
-		if set, ok := users.([]interface{}); ok {
-			for _, u := range set {
-				if user, ok := u.(map[interface{}]interface{}); ok {
-					for k, _ := range user {
-						if key, ok := k.(string); ok {
-							if _, ok := known[key]; !ok {
-								warn("Warning: unrecognized key %q in user section of cloud config - ignoring", key)
-							}
-						} else {
-							warn("Warning: unrecognized key %q in user section of cloud config - ignoring", k)
-						}
-					}
-				}
-			}
-		}
-	}
-
-	// Check for any badly-specified files, if any are set
-	if files, ok := c["write_files"]; ok {
-		var known map[string]interface{}
-		b, _ := yaml.Marshal(&File{})
-		yaml.Unmarshal(b, &known)
-
-		if set, ok := files.([]interface{}); ok {
-			for _, f := range set {
-				if file, ok := f.(map[interface{}]interface{}); ok {
-					for k, _ := range file {
-						if key, ok := k.(string); ok {
-							if _, ok := known[key]; !ok {
-								warn("Warning: unrecognized key %q in file section of cloud config - ignoring", key)
-							}
-						} else {
-							warn("Warning: unrecognized key %q in file section of cloud config - ignoring", k)
-						}
-					}
-				}
-			}
-		}
-	}
-}

config/config_test.go

@@ -1,489 +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 config
-
-import (
-	"errors"
-	"fmt"
-	"reflect"
-	"strings"
-	"testing"
-)
-
-func TestIsZero(t *testing.T) {
-	for _, tt := range []struct {
-		c     interface{}
-		empty bool
-	}{
-		{struct{}{}, true},
-		{struct{ a, b string }{}, true},
-		{struct{ A, b string }{}, true},
-		{struct{ A, B string }{}, true},
-		{struct{ A string }{A: "hello"}, false},
-		{struct{ A int }{}, true},
-		{struct{ A int }{A: 1}, false},
-	} {
-		if empty := IsZero(tt.c); tt.empty != empty {
-			t.Errorf("bad result (%q): want %t, got %t", tt.c, tt.empty, empty)
-		}
-	}
-}
-
-func TestAssertValid(t *testing.T) {
-	for _, tt := range []struct {
-		c   interface{}
-		err error
-	}{
-		{struct{}{}, nil},
-		{struct {
-			A, b string `valid:"1,2"`
-		}{}, nil},
-		{struct {
-			A, b string `valid:"1,2"`
-		}{A: "1", b: "2"}, nil},
-		{struct {
-			A, b string `valid:"1,2"`
-		}{A: "1", b: "hello"}, nil},
-		{struct {
-			A, b string `valid:"1,2"`
-		}{A: "hello", b: "2"}, errors.New("invalid value \"hello\" for option \"A\" (valid options: \"1,2\")")},
-		{struct {
-			A, b int `valid:"1,2"`
-		}{}, nil},
-		{struct {
-			A, b int `valid:"1,2"`
-		}{A: 1, b: 2}, nil},
-		{struct {
-			A, b int `valid:"1,2"`
-		}{A: 1, b: 9}, nil},
-		{struct {
-			A, b int `valid:"1,2"`
-		}{A: 9, b: 2}, errors.New("invalid value \"9\" for option \"A\" (valid options: \"1,2\")")},
-	} {
-		if err := AssertValid(tt.c); !reflect.DeepEqual(tt.err, err) {
-			t.Errorf("bad result (%q): want %q, got %q", tt.c, tt.err, err)
-		}
-	}
-}
-
-func TestCloudConfigInvalidKeys(t *testing.T) {
-	defer func() {
-		if r := recover(); r != nil {
-			t.Fatalf("panic while instantiating CloudConfig with nil keys: %v", r)
-		}
-	}()
-
-	for _, tt := range []struct {
-		contents string
-	}{
-		{"coreos:"},
-		{"ssh_authorized_keys:"},
-		{"ssh_authorized_keys:\n  -"},
-		{"ssh_authorized_keys:\n  - 0:"},
-		{"write_files:"},
-		{"write_files:\n  -"},
-		{"write_files:\n  - 0:"},
-		{"users:"},
-		{"users:\n  -"},
-		{"users:\n  - 0:"},
-	} {
-		_, err := NewCloudConfig(tt.contents)
-		if err != nil {
-			t.Fatalf("error instantiating CloudConfig with invalid keys: %v", err)
-		}
-	}
-}
-
-func TestCloudConfigUnknownKeys(t *testing.T) {
-	contents := `
-coreos: 
-  etcd:
-    discovery: "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877"
-  coreos_unknown:
-    foo: "bar"
-section_unknown:
-  dunno:
-    something
-bare_unknown:
-  bar
-write_files:
-  - content: fun
-    path: /var/party
-    file_unknown: nofun
-users:
-  - name: fry
-    passwd: somehash
-    user_unknown: philip
-hostname:
-  foo
-`
-	cfg, err := NewCloudConfig(contents)
-	if err != nil {
-		t.Fatalf("error instantiating CloudConfig with unknown keys: %v", err)
-	}
-	if cfg.Hostname != "foo" {
-		t.Fatalf("hostname not correctly set when invalid keys are present")
-	}
-	if cfg.Coreos.Etcd.Discovery != "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877" {
-		t.Fatalf("etcd section not correctly set when invalid keys are present")
-	}
-	if len(cfg.WriteFiles) < 1 || cfg.WriteFiles[0].Content != "fun" || cfg.WriteFiles[0].Path != "/var/party" {
-		t.Fatalf("write_files section not correctly set when invalid keys are present")
-	}
-	if len(cfg.Users) < 1 || cfg.Users[0].Name != "fry" || cfg.Users[0].PasswordHash != "somehash" {
-		t.Fatalf("users section not correctly set when invalid keys are present")
-	}
-
-	var warnings string
-	catchWarn := func(f string, v ...interface{}) {
-		warnings += fmt.Sprintf(f, v...)
-	}
-
-	warnOnUnrecognizedKeys(contents, catchWarn)
-
-	if !strings.Contains(warnings, "coreos_unknown") {
-		t.Errorf("warnings did not catch unrecognized coreos option coreos_unknown")
-	}
-	if !strings.Contains(warnings, "bare_unknown") {
-		t.Errorf("warnings did not catch unrecognized key bare_unknown")
-	}
-	if !strings.Contains(warnings, "section_unknown") {
-		t.Errorf("warnings did not catch unrecognized key section_unknown")
-	}
-	if !strings.Contains(warnings, "user_unknown") {
-		t.Errorf("warnings did not catch unrecognized user key user_unknown")
-	}
-	if !strings.Contains(warnings, "file_unknown") {
-		t.Errorf("warnings did not catch unrecognized file key file_unknown")
-	}
-}
-
-// Assert that the parsing of a cloud config file "generally works"
-func TestCloudConfigEmpty(t *testing.T) {
-	cfg, err := NewCloudConfig("")
-	if err != nil {
-		t.Fatalf("Encountered unexpected error :%v", err)
-	}
-
-	keys := cfg.SSHAuthorizedKeys
-	if len(keys) != 0 {
-		t.Error("Parsed incorrect number of SSH keys")
-	}
-
-	if len(cfg.WriteFiles) != 0 {
-		t.Error("Expected zero WriteFiles")
-	}
-
-	if cfg.Hostname != "" {
-		t.Errorf("Expected hostname to be empty, got '%s'", cfg.Hostname)
-	}
-}
-
-// Assert that the parsing of a cloud config file "generally works"
-func TestCloudConfig(t *testing.T) {
-	contents := `
-coreos: 
-  etcd:
-    discovery: "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877"
-  update:
-    reboot-strategy: reboot
-  units:
-    - name: 50-eth0.network
-      runtime: yes
-      content: '[Match]
- 
-    Name=eth47
- 
- 
-    [Network]
- 
-    Address=10.209.171.177/19
- 
-'
-  oem:
-    id: rackspace
-    name: Rackspace Cloud Servers
-    version-id: 168.0.0
-    home-url: https://www.rackspace.com/cloud/servers/
-    bug-report-url: https://github.com/coreos/coreos-overlay
-ssh_authorized_keys:
-  - foobar
-  - foobaz
-write_files:
-  - content: |
-      penny
-      elroy
-    path: /etc/dogepack.conf
-    permissions: '0644'
-    owner: root:dogepack
-hostname: trontastic
-`
-	cfg, err := NewCloudConfig(contents)
-	if err != nil {
-		t.Fatalf("Encountered unexpected error :%v", err)
-	}
-
-	keys := cfg.SSHAuthorizedKeys
-	if len(keys) != 2 {
-		t.Error("Parsed incorrect number of SSH keys")
-	} else if keys[0] != "foobar" {
-		t.Error("Expected first SSH key to be 'foobar'")
-	} else if keys[1] != "foobaz" {
-		t.Error("Expected first SSH key to be 'foobaz'")
-	}
-
-	if len(cfg.WriteFiles) != 1 {
-		t.Error("Failed to parse correct number of write_files")
-	} else {
-		wf := cfg.WriteFiles[0]
-		if wf.Content != "penny\nelroy\n" {
-			t.Errorf("WriteFile has incorrect contents '%s'", wf.Content)
-		}
-		if wf.Encoding != "" {
-			t.Errorf("WriteFile has incorrect encoding %s", wf.Encoding)
-		}
-		if wf.RawFilePermissions != "0644" {
-			t.Errorf("WriteFile has incorrect permissions %s", wf.RawFilePermissions)
-		}
-		if wf.Path != "/etc/dogepack.conf" {
-			t.Errorf("WriteFile has incorrect path %s", wf.Path)
-		}
-		if wf.Owner != "root:dogepack" {
-			t.Errorf("WriteFile has incorrect owner %s", wf.Owner)
-		}
-	}
-
-	if len(cfg.Coreos.Units) != 1 {
-		t.Error("Failed to parse correct number of units")
-	} else {
-		u := cfg.Coreos.Units[0]
-		expect := `[Match]
-Name=eth47
-
-[Network]
-Address=10.209.171.177/19
-`
-		if u.Content != expect {
-			t.Errorf("Unit has incorrect contents '%s'.\nExpected '%s'.", u.Content, expect)
-		}
-		if u.Runtime != true {
-			t.Errorf("Unit has incorrect runtime value")
-		}
-		if u.Name != "50-eth0.network" {
-			t.Errorf("Unit has incorrect name %s", u.Name)
-		}
-		if u.Type() != "network" {
-			t.Errorf("Unit has incorrect type '%s'", u.Type())
-		}
-	}
-
-	if cfg.Coreos.OEM.ID != "rackspace" {
-		t.Errorf("Failed parsing coreos.oem. Expected ID 'rackspace', got %q.", cfg.Coreos.OEM.ID)
-	}
-
-	if cfg.Hostname != "trontastic" {
-		t.Errorf("Failed to parse hostname")
-	}
-	if cfg.Coreos.Update.RebootStrategy != "reboot" {
-		t.Errorf("Failed to parse locksmith strategy")
-	}
-}
-
-// Assert that our interface conversion doesn't panic
-func TestCloudConfigKeysNotList(t *testing.T) {
-	contents := `
-ssh_authorized_keys:
-  - foo: bar
-`
-	cfg, err := NewCloudConfig(contents)
-	if err != nil {
-		t.Fatalf("Encountered unexpected error: %v", err)
-	}
-
-	keys := cfg.SSHAuthorizedKeys
-	if len(keys) != 0 {
-		t.Error("Parsed incorrect number of SSH keys")
-	}
-}
-
-func TestCloudConfigSerializationHeader(t *testing.T) {
-	cfg, _ := NewCloudConfig("")
-	contents := cfg.String()
-	header := strings.SplitN(contents, "\n", 2)[0]
-	if header != "#cloud-config" {
-		t.Fatalf("Serialized config did not have expected header")
-	}
-}
-
-// TestDropInIgnored asserts that users are unable to set DropIn=True on units
-func TestDropInIgnored(t *testing.T) {
-	contents := `
-coreos:
-  units:
-    - name: test
-      dropin: true
-`
-	cfg, err := NewCloudConfig(contents)
-	if err != nil || len(cfg.Coreos.Units) != 1 {
-		t.Fatalf("Encountered unexpected error: %v", err)
-	}
-	if len(cfg.Coreos.Units) != 1 || cfg.Coreos.Units[0].Name != "test" {
-		t.Fatalf("Expected 1 unit, but got %d: %v", len(cfg.Coreos.Units), cfg.Coreos.Units)
-	}
-	if cfg.Coreos.Units[0].DropIn {
-		t.Errorf("dropin option on unit in cloud-config was not ignored!")
-	}
-}
-
-func TestCloudConfigUsers(t *testing.T) {
-	contents := `
-users:
-  - name: elroy
-    passwd: somehash
-    ssh-authorized-keys:
-      - somekey
-    gecos: arbitrary comment
-    homedir: /home/place
-    no-create-home: yes
-    primary-group: things
-    groups:
-      - ping
-      - pong
-    no-user-group: true
-    system: y
-    no-log-init: True
-`
-	cfg, err := NewCloudConfig(contents)
-	if err != nil {
-		t.Fatalf("Encountered unexpected error: %v", err)
-	}
-
-	if len(cfg.Users) != 1 {
-		t.Fatalf("Parsed %d users, expected 1", len(cfg.Users))
-	}
-
-	user := cfg.Users[0]
-
-	if user.Name != "elroy" {
-		t.Errorf("User name is %q, expected 'elroy'", user.Name)
-	}
-
-	if user.PasswordHash != "somehash" {
-		t.Errorf("User passwd is %q, expected 'somehash'", user.PasswordHash)
-	}
-
-	if keys := user.SSHAuthorizedKeys; len(keys) != 1 {
-		t.Errorf("Parsed %d ssh keys, expected 1", len(keys))
-	} else {
-		key := user.SSHAuthorizedKeys[0]
-		if key != "somekey" {
-			t.Errorf("User SSH key is %q, expected 'somekey'", key)
-		}
-	}
-
-	if user.GECOS != "arbitrary comment" {
-		t.Errorf("Failed to parse gecos field, got %q", user.GECOS)
-	}
-
-	if user.Homedir != "/home/place" {
-		t.Errorf("Failed to parse homedir field, got %q", user.Homedir)
-	}
-
-	if !user.NoCreateHome {
-		t.Errorf("Failed to parse no-create-home field")
-	}
-
-	if user.PrimaryGroup != "things" {
-		t.Errorf("Failed to parse primary-group field, got %q", user.PrimaryGroup)
-	}
-
-	if len(user.Groups) != 2 {
-		t.Errorf("Failed to parse 2 goups, got %d", len(user.Groups))
-	} else {
-		if user.Groups[0] != "ping" {
-			t.Errorf("First group was %q, not expected value 'ping'", user.Groups[0])
-		}
-		if user.Groups[1] != "pong" {
-			t.Errorf("First group was %q, not expected value 'pong'", user.Groups[1])
-		}
-	}
-
-	if !user.NoUserGroup {
-		t.Errorf("Failed to parse no-user-group field")
-	}
-
-	if !user.System {
-		t.Errorf("Failed to parse system field")
-	}
-
-	if !user.NoLogInit {
-		t.Errorf("Failed to parse no-log-init field")
-	}
-}
-
-func TestCloudConfigUsersGithubUser(t *testing.T) {
-
-	contents := `
-users:
-  - name: elroy
-    coreos-ssh-import-github: bcwaldon
-`
-	cfg, err := NewCloudConfig(contents)
-	if err != nil {
-		t.Fatalf("Encountered unexpected error: %v", err)
-	}
-
-	if len(cfg.Users) != 1 {
-		t.Fatalf("Parsed %d users, expected 1", len(cfg.Users))
-	}
-
-	user := cfg.Users[0]
-
-	if user.Name != "elroy" {
-		t.Errorf("User name is %q, expected 'elroy'", user.Name)
-	}
-
-	if user.SSHImportGithubUser != "bcwaldon" {
-		t.Errorf("github user is %q, expected 'bcwaldon'", user.SSHImportGithubUser)
-	}
-}
-
-func TestCloudConfigUsersSSHImportURL(t *testing.T) {
-	contents := `
-users:
-  - name: elroy
-    coreos-ssh-import-url: https://token:x-auth-token@github.enterprise.com/api/v3/polvi/keys
-`
-	cfg, err := NewCloudConfig(contents)
-	if err != nil {
-		t.Fatalf("Encountered unexpected error: %v", err)
-	}
-
-	if len(cfg.Users) != 1 {
-		t.Fatalf("Parsed %d users, expected 1", len(cfg.Users))
-	}
-
-	user := cfg.Users[0]
-
-	if user.Name != "elroy" {
-		t.Errorf("User name is %q, expected 'elroy'", user.Name)
-	}
-
-	if user.SSHImportURL != "https://token:x-auth-token@github.enterprise.com/api/v3/polvi/keys" {
-		t.Errorf("ssh import url is %q, expected 'https://token:x-auth-token@github.enterprise.com/api/v3/polvi/keys'", user.SSHImportURL)
-	}
-}

config/etc_hosts.go

@@ -1,19 +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 config
-
-type EtcHosts string

config/etcd.go

@@ -1,48 +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 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   string `yaml:"cluster-active-size"   env:"ETCD_CLUSTER_ACTIVE_SIZE"`
-	ClusterRemoveDelay  string `yaml:"cluster-remove-delay"  env:"ETCD_CLUSTER_REMOVE_DELAY"`
-	ClusterSyncInterval string `yaml:"cluster-sync-interval" env:"ETCD_CLUSTER_SYNC_INTERVAL"`
-	Cors                string `yaml:"cors"                  env:"ETCD_CORS"`
-	CPUProfileFile      string `yaml:"cpu-profile-file"      env:"ETCD_CPU_PROFILE_FILE"`
-	DataDir             string `yaml:"data-dir"              env:"ETCD_DATA_DIR"`
-	Discovery           string `yaml:"discovery"             env:"ETCD_DISCOVERY"`
-	HTTPReadTimeout     string `yaml:"http-read-timeout"     env:"ETCD_HTTP_READ_TIMEOUT"`
-	HTTPWriteTimeout    string `yaml:"http-write-timeout"    env:"ETCD_HTTP_WRITE_TIMEOUT"`
-	KeyFile             string `yaml:"key-file"              env:"ETCD_KEY_FILE"`
-	MaxClusterSize      string `yaml:"max-cluster-size"      env:"ETCD_MAX_CLUSTER_SIZE"`
-	MaxResultBuffer     string `yaml:"max-result-buffer"     env:"ETCD_MAX_RESULT_BUFFER"`
-	MaxRetryAttempts    string `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"`
-	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"`
-	Snapshot            string `yaml:"snapshot"              env:"ETCD_SNAPSHOT"`
-	Verbose             string `yaml:"verbose"               env:"ETCD_VERBOSE"`
-	VeryVerbose         string `yaml:"very-verbose"          env:"ETCD_VERY_VERBOSE"`
-}

config/file.go

@@ -1,25 +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 config
-
-type File struct {
-	Encoding           string `yaml:"-"`
-	Content            string `yaml:"content"`
-	Owner              string `yaml:"owner"`
-	Path               string `yaml:"path"`
-	RawFilePermissions string `yaml:"permissions"`
-}

config/fleet.go

@@ -1,30 +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 config
-
-type Fleet struct {
-	AgentTTL                string `yaml:"agent-ttl"                 env:"FLEET_AGENT_TTL"`
-	EngineReconcileInterval string `yaml:"engine-reconcile-interval" env:"FLEET_ENGINE_RECONCILE_INTERVAL"`
-	EtcdCAFile              string `yaml:"etcd-cafile"               env:"FLEET_ETCD_CAFILE"`
-	EtcdCertFile            string `yaml:"etcd-certfile"             env:"FLEET_ETCD_CERTFILE"`
-	EtcdKeyFile             string `yaml:"etcd-keyfile"              env:"FLEET_ETCD_KEYFILE"`
-	EtcdRequestTimeout      string `yaml:"etcd-request-timeout"      env:"FLEET_ETCD_REQUEST_TIMEOUT"`
-	EtcdServers             string `yaml:"etcd-servers"              env:"FLEET_ETCD_SERVERS"`
-	Metadata                string `yaml:"metadata"                  env:"FLEET_METADATA"`
-	PublicIP                string `yaml:"public-ip"                 env:"FLEET_PUBLIC_IP"`
-	Verbosity               string `yaml:"verbosity"                 env:"FLEET_VERBOSITY"`
-}

config/oem.go

@@ -1,25 +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 config
-
-type OEM struct {
-	ID           string `yaml:"id"`
-	Name         string `yaml:"name"`
-	VersionID    string `yaml:"version-id"`
-	HomeURL      string `yaml:"home-url"`
-	BugReportURL string `yaml:"bug-report-url"`
-}

config/unit.go

@@ -1,50 +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 config
-
-import (
-	"path/filepath"
-	"strings"
-)
-
-type Unit struct {
-	Name    string `yaml:"name"`
-	Mask    bool   `yaml:"mask"`
-	Enable  bool   `yaml:"enable"`
-	Runtime bool   `yaml:"runtime"`
-	Content string `yaml:"content"`
-	Command string `yaml:"command"`
-
-	// For drop-in units, a cloudinit.conf is generated.
-	// This is currently unbound in YAML (and hence unsettable in cloud-config files)
-	// until the correct behaviour for multiple drop-in units is determined.
-	DropIn bool `yaml:"-"`
-}
-
-func (u *Unit) Type() string {
-	ext := filepath.Ext(u.Name)
-	return strings.TrimLeft(ext, ".")
-}
-
-func (u *Unit) Group() string {
-	switch u.Type() {
-	case "network", "netdev", "link":
-		return "network"
-	default:
-		return "system"
-	}
-}

config/update.go

@@ -1,23 +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 config
-
-type Update struct {
-	RebootStrategy string `yaml:"reboot-strategy" env:"REBOOT_STRATEGY" valid:"best-effort,etcd-lock,reboot,off"`
-	Group          string `yaml:"group"           env:"GROUP"`
-	Server         string `yaml:"server"          env:"SERVER"`
-}

config/user.go

@@ -1,33 +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 config
-
-type User struct {
-	Name                string   `yaml:"name"`
-	PasswordHash        string   `yaml:"passwd"`
-	SSHAuthorizedKeys   []string `yaml:"ssh-authorized-keys"`
-	SSHImportGithubUser string   `yaml:"coreos-ssh-import-github"`
-	SSHImportURL        string   `yaml:"coreos-ssh-import-url"`
-	GECOS               string   `yaml:"gecos"`
-	Homedir             string   `yaml:"homedir"`
-	NoCreateHome        bool     `yaml:"no-create-home"`
-	PrimaryGroup        string   `yaml:"primary-group"`
-	Groups              []string `yaml:"groups"`
-	NoUserGroup         bool     `yaml:"no-user-group"`
-	System              bool     `yaml:"system"`
-	NoLogInit           bool     `yaml:"no-log-init"`
-}

coreos-cloudinit.go

@@ -23,7 +23,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/coreos/coreos-cloudinit/config"
 	"github.com/coreos/coreos-cloudinit/datasource"
 	"github.com/coreos/coreos-cloudinit/datasource/configdrive"
 	"github.com/coreos/coreos-cloudinit/datasource/file"
@@ -39,7 +38,7 @@ import (
 )
 
 const (
-	version               = "0.10.4+git"
+	version               = "0.10.9"
 	datasourceInterval    = 100 * time.Millisecond
 	datasourceMaxInterval = 30 * time.Second
 	datasourceTimeout     = 5 * time.Minute
@@ -179,7 +178,7 @@ func main() {
 	env := initialize.NewEnvironment("/", ds.ConfigRoot(), flags.workspace, flags.convertNetconf, flags.sshKeyName, subs)
 	userdata := env.Apply(string(userdataBytes))
 
-	var ccm, ccu *config.CloudConfig
+	var ccm, ccu *initialize.CloudConfig
 	var script *system.Script
 	if ccm, err = initialize.ParseMetaData(string(metadataBytes)); err != nil {
 		fmt.Printf("Failed to parse meta-data: %v\n", err)
@@ -201,14 +200,14 @@ func main() {
 		failure = true
 	} else {
 		switch t := ud.(type) {
-		case *config.CloudConfig:
+		case *initialize.CloudConfig:
 			ccu = t
 		case system.Script:
 			script = &t
 		}
 	}
 
-	var cc *config.CloudConfig
+	var cc *initialize.CloudConfig
 	if ccm != nil && ccu != nil {
 		fmt.Println("Merging cloud-config from meta-data and user-data")
 		merged := mergeCloudConfig(*ccm, *ccu)
@@ -247,7 +246,7 @@ func main() {
 // 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) {
+func mergeCloudConfig(mdcc, udcc initialize.CloudConfig) (cc initialize.CloudConfig) {
 	if mdcc.Hostname != "" {
 		if udcc.Hostname != "" {
 			fmt.Printf("Warning: user-data hostname (%s) overrides metadata hostname (%s)\n", udcc.Hostname, mdcc.Hostname)

coreos-cloudinit_test.go

@@ -20,37 +20,37 @@ import (
 	"reflect"
 	"testing"
 
-	"github.com/coreos/coreos-cloudinit/config"
+	"github.com/coreos/coreos-cloudinit/initialize"
 )
 
 func TestMergeCloudConfig(t *testing.T) {
-	simplecc := config.CloudConfig{
+	simplecc := initialize.CloudConfig{
 		SSHAuthorizedKeys: []string{"abc", "def"},
 		Hostname:          "foobar",
 		NetworkConfigPath: "/path/somewhere",
 		NetworkConfig:     `{}`,
 	}
 	for i, tt := range []struct {
-		udcc config.CloudConfig
+		udcc initialize.CloudConfig
-		mdcc config.CloudConfig
+		mdcc initialize.CloudConfig
-		want config.CloudConfig
+		want initialize.CloudConfig
 	}{
 		{
 			// If mdcc is empty, udcc should be returned unchanged
 			simplecc,
-			config.CloudConfig{},
+			initialize.CloudConfig{},
 			simplecc,
 		},
 		{
 			// If udcc is empty, mdcc should be returned unchanged(overridden)
-			config.CloudConfig{},
+			initialize.CloudConfig{},
 			simplecc,
 			simplecc,
 		},
 		{
 			// user-data should override completely in the case of conflicts
 			simplecc,
-			config.CloudConfig{
+			initialize.CloudConfig{
 				Hostname:          "meta-hostname",
 				NetworkConfigPath: "/path/meta",
 				NetworkConfig:     `{"hostname":"test"}`,
@@ -59,17 +59,17 @@ func TestMergeCloudConfig(t *testing.T) {
 		},
 		{
 			// Mixed merge should succeed
-			config.CloudConfig{
+			initialize.CloudConfig{
 				SSHAuthorizedKeys: []string{"abc", "def"},
 				Hostname:          "user-hostname",
 				NetworkConfigPath: "/path/somewhere",
 				NetworkConfig:     `{"hostname":"test"}`,
 			},
-			config.CloudConfig{
+			initialize.CloudConfig{
 				SSHAuthorizedKeys: []string{"woof", "qux"},
 				Hostname:          "meta-hostname",
 			},
-			config.CloudConfig{
+			initialize.CloudConfig{
 				SSHAuthorizedKeys: []string{"abc", "def", "woof", "qux"},
 				Hostname:          "user-hostname",
 				NetworkConfigPath: "/path/somewhere",
@@ -78,15 +78,15 @@ func TestMergeCloudConfig(t *testing.T) {
 		},
 		{
 			// Completely non-conflicting merge should be fine
-			config.CloudConfig{
+			initialize.CloudConfig{
 				Hostname: "supercool",
 			},
-			config.CloudConfig{
+			initialize.CloudConfig{
 				SSHAuthorizedKeys: []string{"zaphod", "beeblebrox"},
 				NetworkConfigPath: "/dev/fun",
 				NetworkConfig:     `{"hostname":"test"}`,
 			},
-			config.CloudConfig{
+			initialize.CloudConfig{
 				Hostname:          "supercool",
 				SSHAuthorizedKeys: []string{"zaphod", "beeblebrox"},
 				NetworkConfigPath: "/dev/fun",
@@ -95,33 +95,33 @@ func TestMergeCloudConfig(t *testing.T) {
 		},
 		{
 			// Non-mergeable settings in user-data should not be affected
-			config.CloudConfig{
+			initialize.CloudConfig{
 				Hostname:       "mememe",
-				ManageEtcHosts: config.EtcHosts("lolz"),
+				ManageEtcHosts: initialize.EtcHosts("lolz"),
 			},
-			config.CloudConfig{
+			initialize.CloudConfig{
 				Hostname:          "youyouyou",
 				NetworkConfigPath: "meta-meta-yo",
 				NetworkConfig:     `{"hostname":"test"}`,
 			},
-			config.CloudConfig{
+			initialize.CloudConfig{
 				Hostname:          "mememe",
-				ManageEtcHosts:    config.EtcHosts("lolz"),
+				ManageEtcHosts:    initialize.EtcHosts("lolz"),
 				NetworkConfigPath: "meta-meta-yo",
 				NetworkConfig:     `{"hostname":"test"}`,
 			},
 		},
 		{
 			// Non-mergeable (unexpected) settings in meta-data are ignored
-			config.CloudConfig{
+			initialize.CloudConfig{
 				Hostname: "mememe",
 			},
-			config.CloudConfig{
+			initialize.CloudConfig{
-				ManageEtcHosts:    config.EtcHosts("lolz"),
+				ManageEtcHosts:    initialize.EtcHosts("lolz"),
 				NetworkConfigPath: "meta-meta-yo",
 				NetworkConfig:     `{"hostname":"test"}`,
 			},
-			config.CloudConfig{
+			initialize.CloudConfig{
 				Hostname:          "mememe",
 				NetworkConfigPath: "meta-meta-yo",
 				NetworkConfig:     `{"hostname":"test"}`,

initialize/config.go

@@ -22,7 +22,8 @@ import (
 	"log"
 	"path"
 
-	"github.com/coreos/coreos-cloudinit/config"
+	"github.com/coreos/coreos-cloudinit/Godeps/_workspace/src/gopkg.in/yaml.v1"
+
 	"github.com/coreos/coreos-cloudinit/network"
 	"github.com/coreos/coreos-cloudinit/system"
 )
@@ -32,19 +33,146 @@ import (
 type CloudConfigFile interface {
 	// File should either return (*system.File, error), or (nil, nil) if nothing
 	// needs to be done for this configuration option.
-	File() (*system.File, error)
+	File(root string) (*system.File, error)
 }
 
 // CloudConfigUnit represents a CoreOS specific configuration option that can generate
 // associated system.Units to be created/enabled appropriately
 type CloudConfigUnit interface {
-	Units() []system.Unit
+	Units(root string) ([]system.Unit, error)
+}
+
+// CloudConfig encapsulates the entire cloud-config configuration file and maps directly to YAML
+type CloudConfig struct {
+	SSHAuthorizedKeys []string `yaml:"ssh_authorized_keys"`
+	Coreos            struct {
+		Etcd   EtcdEnvironment
+		Fleet  FleetEnvironment
+		OEM    OEMRelease
+		Update UpdateConfig
+		Units  []system.Unit
+	}
+	WriteFiles        []system.File `yaml:"write_files"`
+	Hostname          string
+	Users             []system.User
+	ManageEtcHosts    EtcHosts `yaml:"manage_etc_hosts"`
+	NetworkConfigPath string
+	NetworkConfig     string
+}
+
+type warner func(format string, v ...interface{})
+
+// warnOnUnrecognizedKeys parses the contents of a cloud-config file and calls
+// warn(msg, key) for every unrecognized key (i.e. those not present in CloudConfig)
+func warnOnUnrecognizedKeys(contents string, warn warner) {
+	// Generate a map of all understood cloud config options
+	var cc map[string]interface{}
+	b, _ := yaml.Marshal(&CloudConfig{})
+	yaml.Unmarshal(b, &cc)
+
+	// Now unmarshal the entire provided contents
+	var c map[string]interface{}
+	yaml.Unmarshal([]byte(contents), &c)
+
+	// Check that every key in the contents exists in the cloud config
+	for k, _ := range c {
+		if _, ok := cc[k]; !ok {
+			warn("Warning: unrecognized key %q in provided cloud config - ignoring section", k)
+		}
+	}
+
+	// Check for unrecognized coreos options, if any are set
+	if coreos, ok := c["coreos"]; ok {
+		if set, ok := coreos.(map[interface{}]interface{}); ok {
+			known := cc["coreos"].(map[interface{}]interface{})
+			for k, _ := range set {
+				if key, ok := k.(string); ok {
+					if _, ok := known[key]; !ok {
+						warn("Warning: unrecognized key %q in coreos section of provided cloud config - ignoring", key)
+					}
+				} else {
+					warn("Warning: unrecognized key %q in coreos section of provided cloud config - ignoring", k)
+				}
+			}
+		}
+	}
+
+	// Check for any badly-specified users, if any are set
+	if users, ok := c["users"]; ok {
+		var known map[string]interface{}
+		b, _ := yaml.Marshal(&system.User{})
+		yaml.Unmarshal(b, &known)
+
+		if set, ok := users.([]interface{}); ok {
+			for _, u := range set {
+				if user, ok := u.(map[interface{}]interface{}); ok {
+					for k, _ := range user {
+						if key, ok := k.(string); ok {
+							if _, ok := known[key]; !ok {
+								warn("Warning: unrecognized key %q in user section of cloud config - ignoring", key)
+							}
+						} else {
+							warn("Warning: unrecognized key %q in user section of cloud config - ignoring", k)
+						}
+					}
+				}
+			}
+		}
+	}
+
+	// Check for any badly-specified files, if any are set
+	if files, ok := c["write_files"]; ok {
+		var known map[string]interface{}
+		b, _ := yaml.Marshal(&system.File{})
+		yaml.Unmarshal(b, &known)
+
+		if set, ok := files.([]interface{}); ok {
+			for _, f := range set {
+				if file, ok := f.(map[interface{}]interface{}); ok {
+					for k, _ := range file {
+						if key, ok := k.(string); ok {
+							if _, ok := known[key]; !ok {
+								warn("Warning: unrecognized key %q in file section of cloud config - ignoring", key)
+							}
+						} else {
+							warn("Warning: unrecognized key %q in file section of cloud config - ignoring", k)
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
+// NewCloudConfig instantiates a new CloudConfig from the given contents (a
+// string of YAML), returning any error encountered. It will ignore unknown
+// fields but log encountering them.
+func NewCloudConfig(contents string) (*CloudConfig, error) {
+	var cfg CloudConfig
+	err := yaml.Unmarshal([]byte(contents), &cfg)
+	if err != nil {
+		return &cfg, err
+	}
+	warnOnUnrecognizedKeys(contents, log.Printf)
+	return &cfg, nil
+}
+
+func (cc CloudConfig) String() string {
+	bytes, err := yaml.Marshal(cc)
+	if err != nil {
+		return ""
+	}
+
+	stringified := string(bytes)
+	stringified = fmt.Sprintf("#cloud-config\n%s", stringified)
+
+	return stringified
 }
 
 // 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 CloudConfig, env *Environment) error {
 	if cfg.Hostname != "" {
 		if err := system.SetHostname(cfg.Hostname); err != nil {
 			return err
@@ -104,40 +232,26 @@ func Apply(cfg config.CloudConfig, env *Environment) error {
 		}
 	}
 
-	var writeFiles []system.File
+	for _, ccf := range []CloudConfigFile{cfg.Coreos.OEM, cfg.Coreos.Update, cfg.ManageEtcHosts} {
-	for _, file := range cfg.WriteFiles {
+		f, err := ccf.File(env.Root())
-		writeFiles = append(writeFiles, system.File{File: file})
-	}
-
-	for _, ccf := range []CloudConfigFile{
-		system.OEM{OEM: cfg.Coreos.OEM},
-		system.Update{Update: cfg.Coreos.Update, ReadConfig: system.DefaultReadConfig},
-		system.EtcHosts{EtcHosts: cfg.ManageEtcHosts},
-	} {
-		f, err := ccf.File()
 		if err != nil {
 			return err
 		}
 		if f != nil {
-			writeFiles = append(writeFiles, *f)
+			cfg.WriteFiles = append(cfg.WriteFiles, *f)
 		}
 	}
 
-	var units []system.Unit
+	for _, ccu := range []CloudConfigUnit{cfg.Coreos.Etcd, cfg.Coreos.Fleet, cfg.Coreos.Update} {
-	for _, u := range cfg.Coreos.Units {
+		u, err := ccu.Units(env.Root())
-		units = append(units, system.Unit{Unit: u})
+		if err != nil {
-	}
+			return err
-
+		}
-	for _, ccu := range []CloudConfigUnit{
+		cfg.Coreos.Units = append(cfg.Coreos.Units, u...)
-		system.Etcd{Etcd: cfg.Coreos.Etcd},
-		system.Fleet{Fleet: cfg.Coreos.Fleet},
-		system.Update{Update: cfg.Coreos.Update, ReadConfig: system.DefaultReadConfig},
-	} {
-		units = append(units, ccu.Units()...)
 	}
 
 	wroteEnvironment := false
-	for _, file := range writeFiles {
+	for _, file := range cfg.WriteFiles {
 		fullPath, err := system.WriteFile(&file, env.Root())
 		if err != nil {
 			return err
@@ -184,7 +298,7 @@ func Apply(cfg config.CloudConfig, env *Environment) error {
 	}
 
 	um := system.NewUnitManager(env.Root())
-	return processUnits(units, env.Root(), um)
+	return processUnits(cfg.Coreos.Units, env.Root(), um)
 
 }
 
@@ -199,6 +313,7 @@ func processUnits(units []system.Unit, root string, um system.UnitManager) error
 	}
 	actions := make([]action, 0, len(units))
 	reload := false
+	restartNetworkd := false
 	for _, unit := range units {
 		dst := unit.Destination(root)
 		if unit.Content != "" {
@@ -235,7 +350,7 @@ func processUnits(units []system.Unit, root string, um system.UnitManager) error
 		}
 
 		if unit.Group() == "network" {
-			actions = append(actions, action{"systemd-networkd.service", "restart"})
+			restartNetworkd = true
 		} else if unit.Command != "" {
 			actions = append(actions, action{unit.Name, unit.Command})
 		}
@@ -247,6 +362,15 @@ func processUnits(units []system.Unit, root string, um system.UnitManager) error
 		}
 	}
 
+	if restartNetworkd {
+		log.Printf("Restarting systemd-networkd")
+		res, err := um.RunUnitCommand("restart", "systemd-networkd.service")
+		if err != nil {
+			return err
+		}
+		log.Printf("Restarted systemd-networkd (%s)", res)
+	}
+
 	for _, action := range actions {
 		log.Printf("Calling unit command '%s %s'", action.command, action.unit)
 		res, err := um.RunUnitCommand(action.command, action.unit)

initialize/config_test.go

@@ -17,21 +17,382 @@
 package initialize
 
 import (
+	"fmt"
+	"strings"
 	"testing"
 
-	"github.com/coreos/coreos-cloudinit/config"
 	"github.com/coreos/coreos-cloudinit/system"
 )
 
+func TestCloudConfigInvalidKeys(t *testing.T) {
+	defer func() {
+		if r := recover(); r != nil {
+			t.Fatalf("panic while instantiating CloudConfig with nil keys: %v", r)
+		}
+	}()
+
+	for _, tt := range []struct {
+		contents string
+	}{
+		{"coreos:"},
+		{"ssh_authorized_keys:"},
+		{"ssh_authorized_keys:\n  -"},
+		{"ssh_authorized_keys:\n  - 0:"},
+		{"write_files:"},
+		{"write_files:\n  -"},
+		{"write_files:\n  - 0:"},
+		{"users:"},
+		{"users:\n  -"},
+		{"users:\n  - 0:"},
+	} {
+		_, err := NewCloudConfig(tt.contents)
+		if err != nil {
+			t.Fatalf("error instantiating CloudConfig with invalid keys: %v", err)
+		}
+	}
+}
+
+func TestCloudConfigUnknownKeys(t *testing.T) {
+	contents := `
+coreos: 
+  etcd:
+    discovery: "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877"
+  coreos_unknown:
+    foo: "bar"
+section_unknown:
+  dunno:
+    something
+bare_unknown:
+  bar
+write_files:
+  - content: fun
+    path: /var/party
+    file_unknown: nofun
+users:
+  - name: fry
+    passwd: somehash
+    user_unknown: philip
+hostname:
+  foo
+`
+	cfg, err := NewCloudConfig(contents)
+	if err != nil {
+		t.Fatalf("error instantiating CloudConfig with unknown keys: %v", err)
+	}
+	if cfg.Hostname != "foo" {
+		t.Fatalf("hostname not correctly set when invalid keys are present")
+	}
+	if len(cfg.Coreos.Etcd) < 1 {
+		t.Fatalf("etcd section not correctly set when invalid keys are present")
+	}
+	if len(cfg.WriteFiles) < 1 || cfg.WriteFiles[0].Content != "fun" || cfg.WriteFiles[0].Path != "/var/party" {
+		t.Fatalf("write_files section not correctly set when invalid keys are present")
+	}
+	if len(cfg.Users) < 1 || cfg.Users[0].Name != "fry" || cfg.Users[0].PasswordHash != "somehash" {
+		t.Fatalf("users section not correctly set when invalid keys are present")
+	}
+
+	var warnings string
+	catchWarn := func(f string, v ...interface{}) {
+		warnings += fmt.Sprintf(f, v...)
+	}
+
+	warnOnUnrecognizedKeys(contents, catchWarn)
+
+	if !strings.Contains(warnings, "coreos_unknown") {
+		t.Errorf("warnings did not catch unrecognized coreos option coreos_unknown")
+	}
+	if !strings.Contains(warnings, "bare_unknown") {
+		t.Errorf("warnings did not catch unrecognized key bare_unknown")
+	}
+	if !strings.Contains(warnings, "section_unknown") {
+		t.Errorf("warnings did not catch unrecognized key section_unknown")
+	}
+	if !strings.Contains(warnings, "user_unknown") {
+		t.Errorf("warnings did not catch unrecognized user key user_unknown")
+	}
+	if !strings.Contains(warnings, "file_unknown") {
+		t.Errorf("warnings did not catch unrecognized file key file_unknown")
+	}
+}
+
+// Assert that the parsing of a cloud config file "generally works"
+func TestCloudConfigEmpty(t *testing.T) {
+	cfg, err := NewCloudConfig("")
+	if err != nil {
+		t.Fatalf("Encountered unexpected error :%v", err)
+	}
+
+	keys := cfg.SSHAuthorizedKeys
+	if len(keys) != 0 {
+		t.Error("Parsed incorrect number of SSH keys")
+	}
+
+	if len(cfg.WriteFiles) != 0 {
+		t.Error("Expected zero WriteFiles")
+	}
+
+	if cfg.Hostname != "" {
+		t.Errorf("Expected hostname to be empty, got '%s'", cfg.Hostname)
+	}
+}
+
+// Assert that the parsing of a cloud config file "generally works"
+func TestCloudConfig(t *testing.T) {
+	contents := `
+coreos: 
+  etcd:
+    discovery: "https://discovery.etcd.io/827c73219eeb2fa5530027c37bf18877"
+  update:
+    reboot-strategy: reboot
+  units:
+    - name: 50-eth0.network
+      runtime: yes
+      content: '[Match]
+ 
+    Name=eth47
+ 
+ 
+    [Network]
+ 
+    Address=10.209.171.177/19
+ 
+'
+  oem:
+    id: rackspace
+    name: Rackspace Cloud Servers
+    version-id: 168.0.0
+    home-url: https://www.rackspace.com/cloud/servers/
+    bug-report-url: https://github.com/coreos/coreos-overlay
+ssh_authorized_keys:
+  - foobar
+  - foobaz
+write_files:
+  - content: |
+      penny
+      elroy
+    path: /etc/dogepack.conf
+    permissions: '0644'
+    owner: root:dogepack
+hostname: trontastic
+`
+	cfg, err := NewCloudConfig(contents)
+	if err != nil {
+		t.Fatalf("Encountered unexpected error :%v", err)
+	}
+
+	keys := cfg.SSHAuthorizedKeys
+	if len(keys) != 2 {
+		t.Error("Parsed incorrect number of SSH keys")
+	} else if keys[0] != "foobar" {
+		t.Error("Expected first SSH key to be 'foobar'")
+	} else if keys[1] != "foobaz" {
+		t.Error("Expected first SSH key to be 'foobaz'")
+	}
+
+	if len(cfg.WriteFiles) != 1 {
+		t.Error("Failed to parse correct number of write_files")
+	} else {
+		wf := cfg.WriteFiles[0]
+		if wf.Content != "penny\nelroy\n" {
+			t.Errorf("WriteFile has incorrect contents '%s'", wf.Content)
+		}
+		if wf.Encoding != "" {
+			t.Errorf("WriteFile has incorrect encoding %s", wf.Encoding)
+		}
+		if perm, _ := wf.Permissions(); perm != 0644 {
+			t.Errorf("WriteFile has incorrect permissions %s", perm)
+		}
+		if wf.Path != "/etc/dogepack.conf" {
+			t.Errorf("WriteFile has incorrect path %s", wf.Path)
+		}
+		if wf.Owner != "root:dogepack" {
+			t.Errorf("WriteFile has incorrect owner %s", wf.Owner)
+		}
+	}
+
+	if len(cfg.Coreos.Units) != 1 {
+		t.Error("Failed to parse correct number of units")
+	} else {
+		u := cfg.Coreos.Units[0]
+		expect := `[Match]
+Name=eth47
+
+[Network]
+Address=10.209.171.177/19
+`
+		if u.Content != expect {
+			t.Errorf("Unit has incorrect contents '%s'.\nExpected '%s'.", u.Content, expect)
+		}
+		if u.Runtime != true {
+			t.Errorf("Unit has incorrect runtime value")
+		}
+		if u.Name != "50-eth0.network" {
+			t.Errorf("Unit has incorrect name %s", u.Name)
+		}
+		if u.Type() != "network" {
+			t.Errorf("Unit has incorrect type '%s'", u.Type())
+		}
+	}
+
+	if cfg.Coreos.OEM.ID != "rackspace" {
+		t.Errorf("Failed parsing coreos.oem. Expected ID 'rackspace', got %q.", cfg.Coreos.OEM.ID)
+	}
+
+	if cfg.Hostname != "trontastic" {
+		t.Errorf("Failed to parse hostname")
+	}
+	if cfg.Coreos.Update["reboot-strategy"] != "reboot" {
+		t.Errorf("Failed to parse locksmith strategy")
+	}
+}
+
+// Assert that our interface conversion doesn't panic
+func TestCloudConfigKeysNotList(t *testing.T) {
+	contents := `
+ssh_authorized_keys:
+  - foo: bar
+`
+	cfg, err := NewCloudConfig(contents)
+	if err != nil {
+		t.Fatalf("Encountered unexpected error: %v", err)
+	}
+
+	keys := cfg.SSHAuthorizedKeys
+	if len(keys) != 0 {
+		t.Error("Parsed incorrect number of SSH keys")
+	}
+}
+
+func TestCloudConfigSerializationHeader(t *testing.T) {
+	cfg, _ := NewCloudConfig("")
+	contents := cfg.String()
+	header := strings.SplitN(contents, "\n", 2)[0]
+	if header != "#cloud-config" {
+		t.Fatalf("Serialized config did not have expected header")
+	}
+}
+
+// TestDropInIgnored asserts that users are unable to set DropIn=True on units
+func TestDropInIgnored(t *testing.T) {
+	contents := `
+coreos:
+  units:
+    - name: test
+      dropin: true
+`
+	cfg, err := NewCloudConfig(contents)
+	if err != nil || len(cfg.Coreos.Units) != 1 {
+		t.Fatalf("Encountered unexpected error: %v", err)
+	}
+	if len(cfg.Coreos.Units) != 1 || cfg.Coreos.Units[0].Name != "test" {
+		t.Fatalf("Expected 1 unit, but got %d: %v", len(cfg.Coreos.Units), cfg.Coreos.Units)
+	}
+	if cfg.Coreos.Units[0].DropIn {
+		t.Errorf("dropin option on unit in cloud-config was not ignored!")
+	}
+}
+
+func TestCloudConfigUsers(t *testing.T) {
+	contents := `
+users:
+  - name: elroy
+    passwd: somehash
+    ssh-authorized-keys:
+      - somekey
+    gecos: arbitrary comment
+    homedir: /home/place
+    no-create-home: yes
+    primary-group: things
+    groups:
+      - ping
+      - pong
+    no-user-group: true
+    system: y
+    no-log-init: True
+`
+	cfg, err := NewCloudConfig(contents)
+	if err != nil {
+		t.Fatalf("Encountered unexpected error: %v", err)
+	}
+
+	if len(cfg.Users) != 1 {
+		t.Fatalf("Parsed %d users, expected 1", len(cfg.Users))
+	}
+
+	user := cfg.Users[0]
+
+	if user.Name != "elroy" {
+		t.Errorf("User name is %q, expected 'elroy'", user.Name)
+	}
+
+	if user.PasswordHash != "somehash" {
+		t.Errorf("User passwd is %q, expected 'somehash'", user.PasswordHash)
+	}
+
+	if keys := user.SSHAuthorizedKeys; len(keys) != 1 {
+		t.Errorf("Parsed %d ssh keys, expected 1", len(keys))
+	} else {
+		key := user.SSHAuthorizedKeys[0]
+		if key != "somekey" {
+			t.Errorf("User SSH key is %q, expected 'somekey'", key)
+		}
+	}
+
+	if user.GECOS != "arbitrary comment" {
+		t.Errorf("Failed to parse gecos field, got %q", user.GECOS)
+	}
+
+	if user.Homedir != "/home/place" {
+		t.Errorf("Failed to parse homedir field, got %q", user.Homedir)
+	}
+
+	if !user.NoCreateHome {
+		t.Errorf("Failed to parse no-create-home field")
+	}
+
+	if user.PrimaryGroup != "things" {
+		t.Errorf("Failed to parse primary-group field, got %q", user.PrimaryGroup)
+	}
+
+	if len(user.Groups) != 2 {
+		t.Errorf("Failed to parse 2 goups, got %d", len(user.Groups))
+	} else {
+		if user.Groups[0] != "ping" {
+			t.Errorf("First group was %q, not expected value 'ping'", user.Groups[0])
+		}
+		if user.Groups[1] != "pong" {
+			t.Errorf("First group was %q, not expected value 'pong'", user.Groups[1])
+		}
+	}
+
+	if !user.NoUserGroup {
+		t.Errorf("Failed to parse no-user-group field")
+	}
+
+	if !user.System {
+		t.Errorf("Failed to parse system field")
+	}
+
+	if !user.NoLogInit {
+		t.Errorf("Failed to parse no-log-init field")
+	}
+}
+
 type TestUnitManager struct {
 	placed   []string
 	enabled  []string
 	masked   []string
 	unmasked []string
-	commands map[string]string
+	commands []UnitAction
 	reload   bool
 }
 
+type UnitAction struct {
+	unit    string
+	command string
+}
+
 func (tum *TestUnitManager) PlaceUnit(unit *system.Unit, dst string) error {
 	tum.placed = append(tum.placed, unit.Name)
 	return nil
@@ -41,8 +402,7 @@ func (tum *TestUnitManager) EnableUnitFile(unit string, runtime bool) error {
 	return nil
 }
 func (tum *TestUnitManager) RunUnitCommand(command, unit string) (string, error) {
-	tum.commands = make(map[string]string)
+	tum.commands = append(tum.commands, UnitAction{unit, command})
-	tum.commands[unit] = command
 	return "", nil
 }
 func (tum *TestUnitManager) DaemonReload() error {
@@ -61,10 +421,10 @@ func (tum *TestUnitManager) UnmaskUnit(unit *system.Unit) error {
 func TestProcessUnits(t *testing.T) {
 	tum := &TestUnitManager{}
 	units := []system.Unit{
-		system.Unit{Unit: config.Unit{
+		system.Unit{
 			Name: "foo",
 			Mask: true,
-		}},
+		},
 	}
 	if err := processUnits(units, "", tum); err != nil {
 		t.Fatalf("unexpected error calling processUnits: %v", err)
@@ -75,23 +435,23 @@ func TestProcessUnits(t *testing.T) {
 
 	tum = &TestUnitManager{}
 	units = []system.Unit{
-		system.Unit{Unit: config.Unit{
+		system.Unit{
 			Name: "bar.network",
-		}},
+		},
 	}
 	if err := processUnits(units, "", tum); err != nil {
 		t.Fatalf("unexpected error calling processUnits: %v", err)
 	}
-	if _, ok := tum.commands["systemd-networkd.service"]; !ok {
+	if len(tum.commands) != 1 || (tum.commands[0] != UnitAction{"systemd-networkd.service", "restart"}) {
 		t.Errorf("expected systemd-networkd.service to be reloaded!")
 	}
 
 	tum = &TestUnitManager{}
 	units = []system.Unit{
-		system.Unit{Unit: config.Unit{
+		system.Unit{
 			Name:    "baz.service",
 			Content: "[Service]\nExecStart=/bin/true",
-		}},
+		},
 	}
 	if err := processUnits(units, "", tum); err != nil {
 		t.Fatalf("unexpected error calling processUnits: %v", err)
@@ -102,10 +462,10 @@ func TestProcessUnits(t *testing.T) {
 
 	tum = &TestUnitManager{}
 	units = []system.Unit{
-		system.Unit{Unit: config.Unit{
+		system.Unit{
 			Name:    "locksmithd.service",
 			Runtime: true,
-		}},
+		},
 	}
 	if err := processUnits(units, "", tum); err != nil {
 		t.Fatalf("unexpected error calling processUnits: %v", err)
@@ -116,10 +476,10 @@ func TestProcessUnits(t *testing.T) {
 
 	tum = &TestUnitManager{}
 	units = []system.Unit{
-		system.Unit{Unit: config.Unit{
+		system.Unit{
 			Name:   "woof",
 			Enable: true,
-		}},
+		},
 	}
 	if err := processUnits(units, "", tum); err != nil {
 		t.Fatalf("unexpected error calling processUnits: %v", err)

initialize/env.go

@@ -22,7 +22,6 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/coreos/coreos-cloudinit/config"
 	"github.com/coreos/coreos-cloudinit/system"
 )
 
@@ -98,9 +97,9 @@ func (e *Environment) Apply(data string) string {
 
 func (e *Environment) DefaultEnvironmentFile() *system.EnvFile {
 	ef := system.EnvFile{
-		File: &system.File{File: config.File{
+		File: &system.File{
 			Path: "/etc/environment",
-		}},
+		},
 		Vars: map[string]string{},
 	}
 	if ip, ok := e.substitutions["$public_ipv4"]; ok && len(ip) > 0 {
@@ -121,3 +120,16 @@ func (e *Environment) DefaultEnvironmentFile() *system.EnvFile {
 		return &ef
 	}
 }
+
+// normalizeSvcEnv standardizes the keys of the map (environment variables for a service)
+// by replacing any dashes with underscores and ensuring they are entirely upper case.
+// For example, "some-env" --> "SOME_ENV"
+func normalizeSvcEnv(m map[string]string) map[string]string {
+	out := make(map[string]string, len(m))
+	for key, val := range m {
+		key = strings.ToUpper(key)
+		key = strings.Replace(key, "-", "_", -1)
+		out[key] = val
+	}
+	return out
+}

initialize/etcd.go

@@ -0,0 +1,63 @@
+package initialize
+
+import (
+	"errors"
+	"fmt"
+	"sort"
+
+	"github.com/coreos/coreos-cloudinit/system"
+)
+
+type EtcdEnvironment map[string]string
+
+func (ee EtcdEnvironment) String() (out string) {
+	norm := normalizeSvcEnv(ee)
+
+	if val, ok := norm["DISCOVERY_URL"]; ok {
+		delete(norm, "DISCOVERY_URL")
+		if _, ok := norm["DISCOVERY"]; !ok {
+			norm["DISCOVERY"] = val
+		}
+	}
+
+	var sorted sort.StringSlice
+	for k, _ := range norm {
+		sorted = append(sorted, k)
+	}
+	sorted.Sort()
+
+	out += "[Service]\n"
+
+	for _, key := range sorted {
+		val := norm[key]
+		out += fmt.Sprintf("Environment=\"ETCD_%s=%s\"\n", key, val)
+	}
+
+	return
+}
+
+// Units creates a Unit file drop-in for etcd, using any configured
+// options and adding a default MachineID if unset.
+func (ee EtcdEnvironment) Units(root string) ([]system.Unit, error) {
+	if len(ee) < 1 {
+		return nil, nil
+	}
+
+	if _, ok := ee["name"]; !ok {
+		if machineID := system.MachineID(root); machineID != "" {
+			ee["name"] = machineID
+		} else if hostname, err := system.Hostname(); err == nil {
+			ee["name"] = hostname
+		} else {
+			return nil, errors.New("Unable to determine default etcd name")
+		}
+	}
+
+	etcd := system.Unit{
+		Name:    "etcd.service",
+		Runtime: true,
+		DropIn:  true,
+		Content: ee.String(),
+	}
+	return []system.Unit{etcd}, nil
+}

initialize/etcd_test.go

@@ -0,0 +1,184 @@
+package initialize
+
+import (
+	"io/ioutil"
+	"os"
+	"path"
+	"testing"
+
+	"github.com/coreos/coreos-cloudinit/system"
+)
+
+func TestEtcdEnvironment(t *testing.T) {
+	cfg := make(EtcdEnvironment, 0)
+	cfg["discovery"] = "http://disco.example.com/foobar"
+	cfg["peer-bind-addr"] = "127.0.0.1:7002"
+
+	env := cfg.String()
+	expect := `[Service]
+Environment="ETCD_DISCOVERY=http://disco.example.com/foobar"
+Environment="ETCD_PEER_BIND_ADDR=127.0.0.1:7002"
+`
+
+	if env != expect {
+		t.Errorf("Generated environment:\n%s\nExpected environment:\n%s", env, expect)
+	}
+}
+
+func TestEtcdEnvironmentDiscoveryURLTranslated(t *testing.T) {
+	cfg := make(EtcdEnvironment, 0)
+	cfg["discovery_url"] = "http://disco.example.com/foobar"
+	cfg["peer-bind-addr"] = "127.0.0.1:7002"
+
+	env := cfg.String()
+	expect := `[Service]
+Environment="ETCD_DISCOVERY=http://disco.example.com/foobar"
+Environment="ETCD_PEER_BIND_ADDR=127.0.0.1:7002"
+`
+
+	if env != expect {
+		t.Errorf("Generated environment:\n%s\nExpected environment:\n%s", env, expect)
+	}
+}
+
+func TestEtcdEnvironmentDiscoveryOverridesDiscoveryURL(t *testing.T) {
+	cfg := make(EtcdEnvironment, 0)
+	cfg["discovery_url"] = "ping"
+	cfg["discovery"] = "pong"
+	cfg["peer-bind-addr"] = "127.0.0.1:7002"
+
+	env := cfg.String()
+	expect := `[Service]
+Environment="ETCD_DISCOVERY=pong"
+Environment="ETCD_PEER_BIND_ADDR=127.0.0.1:7002"
+`
+
+	if env != expect {
+		t.Errorf("Generated environment:\n%s\nExpected environment:\n%s", env, expect)
+	}
+}
+
+func TestEtcdEnvironmentWrittenToDisk(t *testing.T) {
+	ee := EtcdEnvironment{
+		"name":           "node001",
+		"discovery":      "http://disco.example.com/foobar",
+		"peer-bind-addr": "127.0.0.1:7002",
+	}
+	dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
+	if err != nil {
+		t.Fatalf("Unable to create tempdir: %v", err)
+	}
+	defer os.RemoveAll(dir)
+
+	sd := system.NewUnitManager(dir)
+
+	uu, err := ee.Units(dir)
+	if err != nil {
+		t.Fatalf("Generating etcd unit failed: %v", err)
+	}
+	if len(uu) != 1 {
+		t.Fatalf("Expected 1 unit to be returned, got %d", len(uu))
+	}
+	u := uu[0]
+
+	dst := u.Destination(dir)
+	os.Stderr.WriteString("writing to " + dir + "\n")
+	if err := sd.PlaceUnit(&u, dst); err != nil {
+		t.Fatalf("Writing of EtcdEnvironment failed: %v", err)
+	}
+
+	fullPath := path.Join(dir, "run", "systemd", "system", "etcd.service.d", "20-cloudinit.conf")
+
+	fi, err := os.Stat(fullPath)
+	if err != nil {
+		t.Fatalf("Unable to stat file: %v", err)
+	}
+
+	if fi.Mode() != os.FileMode(0644) {
+		t.Errorf("File has incorrect mode: %v", fi.Mode())
+	}
+
+	contents, err := ioutil.ReadFile(fullPath)
+	if err != nil {
+		t.Fatalf("Unable to read expected file: %v", err)
+	}
+
+	expect := `[Service]
+Environment="ETCD_DISCOVERY=http://disco.example.com/foobar"
+Environment="ETCD_NAME=node001"
+Environment="ETCD_PEER_BIND_ADDR=127.0.0.1:7002"
+`
+	if string(contents) != expect {
+		t.Fatalf("File has incorrect contents")
+	}
+}
+
+func TestEtcdEnvironmentEmptyNoOp(t *testing.T) {
+	ee := EtcdEnvironment{}
+	uu, err := ee.Units("")
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+	if len(uu) > 0 {
+		t.Fatalf("Generated etcd units unexpectedly: %v", uu)
+	}
+}
+
+func TestEtcdEnvironmentWrittenToDiskDefaultToMachineID(t *testing.T) {
+	ee := EtcdEnvironment{"foo": "bar"}
+	dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
+	if err != nil {
+		t.Fatalf("Unable to create tempdir: %v", err)
+	}
+	defer os.RemoveAll(dir)
+
+	sd := system.NewUnitManager(dir)
+
+	os.Mkdir(path.Join(dir, "etc"), os.FileMode(0755))
+	err = ioutil.WriteFile(path.Join(dir, "etc", "machine-id"), []byte("node007"), os.FileMode(0444))
+	if err != nil {
+		t.Fatalf("Failed writing out /etc/machine-id: %v", err)
+	}
+
+	uu, err := ee.Units(dir)
+	if err != nil {
+		t.Fatalf("Generating etcd unit failed: %v", err)
+	}
+	if len(uu) == 0 {
+		t.Fatalf("Returned empty etcd units unexpectedly")
+	}
+	u := uu[0]
+
+	dst := u.Destination(dir)
+	os.Stderr.WriteString("writing to " + dir + "\n")
+	if err := sd.PlaceUnit(&u, dst); err != nil {
+		t.Fatalf("Writing of EtcdEnvironment failed: %v", err)
+	}
+
+	fullPath := path.Join(dir, "run", "systemd", "system", "etcd.service.d", "20-cloudinit.conf")
+
+	contents, err := ioutil.ReadFile(fullPath)
+	if err != nil {
+		t.Fatalf("Unable to read expected file: %v", err)
+	}
+
+	expect := `[Service]
+Environment="ETCD_FOO=bar"
+Environment="ETCD_NAME=node007"
+`
+	if string(contents) != expect {
+		t.Fatalf("File has incorrect contents")
+	}
+}
+
+func TestEtcdEnvironmentWhenNil(t *testing.T) {
+	// EtcdEnvironment will be a nil map if it wasn't in the yaml
+	var ee EtcdEnvironment
+	if ee != nil {
+		t.Fatalf("EtcdEnvironment is not nil")
+	}
+	uu, err := ee.Units("")
+	if len(uu) != 0 || err != nil {
+		t.Fatalf("Units returned value for nil input")
+	}
+}

initialize/fleet.go

@@ -0,0 +1,35 @@
+package initialize
+
+import (
+	"fmt"
+
+	"github.com/coreos/coreos-cloudinit/system"
+)
+
+type FleetEnvironment map[string]string
+
+func (fe FleetEnvironment) String() (out string) {
+	norm := normalizeSvcEnv(fe)
+	out += "[Service]\n"
+
+	for key, val := range norm {
+		out += fmt.Sprintf("Environment=\"FLEET_%s=%s\"\n", key, val)
+	}
+
+	return
+}
+
+// Units generates a Unit file drop-in for fleet, if any fleet options were
+// configured in cloud-config
+func (fe FleetEnvironment) Units(root string) ([]system.Unit, error) {
+	if len(fe) < 1 {
+		return nil, nil
+	}
+	fleet := system.Unit{
+		Name:    "fleet.service",
+		Runtime: true,
+		DropIn:  true,
+		Content: fe.String(),
+	}
+	return []system.Unit{fleet}, nil
+}

initialize/fleet_test.go

@@ -0,0 +1,43 @@
+package initialize
+
+import "testing"
+
+func TestFleetEnvironment(t *testing.T) {
+	cfg := make(FleetEnvironment, 0)
+	cfg["public-ip"] = "12.34.56.78"
+
+	env := cfg.String()
+
+	expect := `[Service]
+Environment="FLEET_PUBLIC_IP=12.34.56.78"
+`
+
+	if env != expect {
+		t.Errorf("Generated environment:\n%s\nExpected environment:\n%s", env, expect)
+	}
+}
+
+func TestFleetUnit(t *testing.T) {
+	cfg := make(FleetEnvironment, 0)
+	uu, err := cfg.Units("/")
+	if len(uu) != 0 {
+		t.Errorf("unexpectedly generated unit with empty FleetEnvironment")
+	}
+
+	cfg["public-ip"] = "12.34.56.78"
+
+	uu, err = cfg.Units("/")
+	if err != nil {
+		t.Errorf("error generating fleet unit: %v", err)
+	}
+	if len(uu) != 1 {
+		t.Fatalf("expected 1 unit generated, got %d", len(uu))
+	}
+	u := uu[0]
+	if !u.Runtime {
+		t.Errorf("bad Runtime for generated fleet unit!")
+	}
+	if !u.DropIn {
+		t.Errorf("bad DropIn for generated fleet unit!")
+	}
+}

initialize/github_test.go

@@ -0,0 +1,32 @@
+package initialize
+
+import (
+	"testing"
+)
+
+func TestCloudConfigUsersGithubUser(t *testing.T) {
+
+	contents := `
+users:
+  - name: elroy
+    coreos-ssh-import-github: bcwaldon
+`
+	cfg, err := NewCloudConfig(contents)
+	if err != nil {
+		t.Fatalf("Encountered unexpected error: %v", err)
+	}
+
+	if len(cfg.Users) != 1 {
+		t.Fatalf("Parsed %d users, expected 1", len(cfg.Users))
+	}
+
+	user := cfg.Users[0]
+
+	if user.Name != "elroy" {
+		t.Errorf("User name is %q, expected 'elroy'", user.Name)
+	}
+
+	if user.SSHImportGithubUser != "bcwaldon" {
+		t.Errorf("github user is %q, expected 'bcwaldon'", user.SSHImportGithubUser)
+	}
+}

initialize/manage_etc_hosts.go

@@ -14,7 +14,7 @@
    limitations under the License.
 */
 
-package system
+package initialize
 
 import (
 	"errors"
@@ -22,17 +22,15 @@ import (
 	"os"
 	"path"
 
-	"github.com/coreos/coreos-cloudinit/config"
+	"github.com/coreos/coreos-cloudinit/system"
 )
 
 const DefaultIpv4Address = "127.0.0.1"
 
-type EtcHosts struct {
+type EtcHosts string
-	config.EtcHosts
-}
 
 func (eh EtcHosts) generateEtcHosts() (out string, err error) {
-	if eh.EtcHosts != "localhost" {
+	if eh != "localhost" {
 		return "", errors.New("Invalid option to manage_etc_hosts")
 	}
 
@@ -46,8 +44,8 @@ func (eh EtcHosts) generateEtcHosts() (out string, err error) {
 
 }
 
-func (eh EtcHosts) File() (*File, error) {
+func (eh EtcHosts) File(root string) (*system.File, error) {
-	if eh.EtcHosts == "" {
+	if eh == "" {
 		return nil, nil
 	}
 
@@ -56,9 +54,9 @@ func (eh EtcHosts) File() (*File, error) {
 		return nil, err
 	}
 
-	return &File{config.File{
+	return &system.File{
 		Path:               path.Join("etc", "hosts"),
 		RawFilePermissions: "0644",
 		Content:            etcHosts,
-	}}, nil
+	}, nil
 }

initialize/manage_etc_hosts_test.go

@@ -0,0 +1,83 @@
+package initialize
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path"
+	"testing"
+
+	"github.com/coreos/coreos-cloudinit/system"
+)
+
+func TestCloudConfigManageEtcHosts(t *testing.T) {
+	contents := `
+manage_etc_hosts: localhost
+`
+	cfg, err := NewCloudConfig(contents)
+	if err != nil {
+		t.Fatalf("Encountered unexpected error: %v", err)
+	}
+
+	manageEtcHosts := cfg.ManageEtcHosts
+
+	if manageEtcHosts != "localhost" {
+		t.Errorf("ManageEtcHosts value is %q, expected 'localhost'", manageEtcHosts)
+	}
+}
+
+func TestManageEtcHostsInvalidValue(t *testing.T) {
+	eh := EtcHosts("invalid")
+	if f, err := eh.File(""); err == nil || f != nil {
+		t.Fatalf("EtcHosts File succeeded with invalid value!")
+	}
+}
+
+func TestEtcHostsWrittenToDisk(t *testing.T) {
+	dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
+	if err != nil {
+		t.Fatalf("Unable to create tempdir: %v", err)
+	}
+	defer os.RemoveAll(dir)
+
+	eh := EtcHosts("localhost")
+
+	f, err := eh.File(dir)
+	if err != nil {
+		t.Fatalf("Error calling File on EtcHosts: %v", err)
+	}
+	if f == nil {
+		t.Fatalf("manageEtcHosts returned nil file unexpectedly")
+	}
+
+	if _, err := system.WriteFile(f, dir); err != nil {
+		t.Fatalf("Error writing EtcHosts: %v", err)
+	}
+
+	fullPath := path.Join(dir, "etc", "hosts")
+
+	fi, err := os.Stat(fullPath)
+	if err != nil {
+		t.Fatalf("Unable to stat file: %v", err)
+	}
+
+	if fi.Mode() != os.FileMode(0644) {
+		t.Errorf("File has incorrect mode: %v", fi.Mode())
+	}
+
+	contents, err := ioutil.ReadFile(fullPath)
+	if err != nil {
+		t.Fatalf("Unable to read expected file: %v", err)
+	}
+
+	hostname, err := os.Hostname()
+	if err != nil {
+		t.Fatalf("Unable to read OS hostname: %v", err)
+	}
+
+	expect := fmt.Sprintf("%s %s\n", DefaultIpv4Address, hostname)
+
+	if string(contents) != expect {
+		t.Fatalf("File has incorrect contents")
+	}
+}

initialize/meta_data.go

@@ -19,13 +19,11 @@ 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) {
+func ParseMetaData(contents string) (*CloudConfig, error) {
 	if len(contents) == 0 {
 		return nil, nil
 	}
@@ -40,7 +38,7 @@ func ParseMetaData(contents string) (*config.CloudConfig, error) {
 		return nil, err
 	}
 
-	var cfg config.CloudConfig
+	var cfg CloudConfig
 	if len(metadata.SSHAuthorizedKeyMap) > 0 {
 		cfg.SSHAuthorizedKeys = make([]string, 0, len(metadata.SSHAuthorizedKeyMap))
 		for _, name := range sortedKeys(metadata.SSHAuthorizedKeyMap) {

initialize/meta_data_test.go

@@ -16,26 +16,22 @@
 
 package initialize
 
-import (
+import "reflect"
-	"reflect"
+import "testing"
-	"testing"
-
-	"github.com/coreos/coreos-cloudinit/config"
-)
 
 func TestParseMetadata(t *testing.T) {
 	for i, tt := range []struct {
 		in   string
-		want *config.CloudConfig
+		want *CloudConfig
 		err  bool
 	}{
 		{"", nil, false},
 		{`garbage, invalid json`, nil, true},
-		{`{"foo": "bar"}`, &config.CloudConfig{}, false},
+		{`{"foo": "bar"}`, &CloudConfig{}, false},
-		{`{"network_config": {"content_path": "asdf"}}`, &config.CloudConfig{NetworkConfigPath: "asdf"}, false},
+		{`{"network_config": {"content_path": "asdf"}}`, &CloudConfig{NetworkConfigPath: "asdf"}, false},
-		{`{"hostname": "turkleton"}`, &config.CloudConfig{Hostname: "turkleton"}, false},
+		{`{"hostname": "turkleton"}`, &CloudConfig{Hostname: "turkleton"}, false},
-		{`{"public_keys": {"jack": "jill", "bob": "alice"}}`, &config.CloudConfig{SSHAuthorizedKeys: []string{"alice", "jill"}}, false},
+		{`{"public_keys": {"jack": "jill", "bob": "alice"}}`, &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},
+		{`{"unknown": "thing", "hostname": "my_host", "public_keys": {"do": "re", "mi": "fa"}, "network_config": {"content_path": "/root", "blah": "zzz"}}`, &CloudConfig{SSHAuthorizedKeys: []string{"re", "fa"}, Hostname: "my_host", NetworkConfigPath: "/root"}, false},
 	} {
 		got, err := ParseMetaData(tt.in)
 		if tt.err != (err != nil) {

initialize/oem.go

@@ -0,0 +1,41 @@
+package initialize
+
+import (
+	"fmt"
+	"path"
+	"strings"
+
+	"github.com/coreos/coreos-cloudinit/system"
+)
+
+type OEMRelease struct {
+	ID           string `yaml:"id"`
+	Name         string `yaml:"name"`
+	VersionID    string `yaml:"version-id"`
+	HomeURL      string `yaml:"home-url"`
+	BugReportURL string `yaml:"bug-report-url"`
+}
+
+func (oem OEMRelease) String() string {
+	fields := []string{
+		fmt.Sprintf("ID=%s", oem.ID),
+		fmt.Sprintf("VERSION_ID=%s", oem.VersionID),
+		fmt.Sprintf("NAME=%q", oem.Name),
+		fmt.Sprintf("HOME_URL=%q", oem.HomeURL),
+		fmt.Sprintf("BUG_REPORT_URL=%q", oem.BugReportURL),
+	}
+
+	return strings.Join(fields, "\n") + "\n"
+}
+
+func (oem OEMRelease) File(root string) (*system.File, error) {
+	if oem.ID == "" {
+		return nil, nil
+	}
+
+	return &system.File{
+		Path:               path.Join("etc", "oem-release"),
+		RawFilePermissions: "0644",
+		Content:            oem.String(),
+	}, nil
+}

initialize/oem_test.go

@@ -0,0 +1,63 @@
+package initialize
+
+import (
+	"io/ioutil"
+	"os"
+	"path"
+	"testing"
+
+	"github.com/coreos/coreos-cloudinit/system"
+)
+
+func TestOEMReleaseWrittenToDisk(t *testing.T) {
+	oem := OEMRelease{
+		ID:           "rackspace",
+		Name:         "Rackspace Cloud Servers",
+		VersionID:    "168.0.0",
+		HomeURL:      "https://www.rackspace.com/cloud/servers/",
+		BugReportURL: "https://github.com/coreos/coreos-overlay",
+	}
+	dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
+	if err != nil {
+		t.Fatalf("Unable to create tempdir: %v", err)
+	}
+	defer os.RemoveAll(dir)
+
+	f, err := oem.File(dir)
+	if err != nil {
+		t.Fatalf("Processing of OEMRelease failed: %v", err)
+	}
+	if f == nil {
+		t.Fatalf("OEMRelease returned nil file unexpectedly")
+	}
+
+	if _, err := system.WriteFile(f, dir); err != nil {
+		t.Fatalf("Writing of OEMRelease failed: %v", err)
+	}
+
+	fullPath := path.Join(dir, "etc", "oem-release")
+
+	fi, err := os.Stat(fullPath)
+	if err != nil {
+		t.Fatalf("Unable to stat file: %v", err)
+	}
+
+	if fi.Mode() != os.FileMode(0644) {
+		t.Errorf("File has incorrect mode: %v", fi.Mode())
+	}
+
+	contents, err := ioutil.ReadFile(fullPath)
+	if err != nil {
+		t.Fatalf("Unable to read expected file: %v", err)
+	}
+
+	expect := `ID=rackspace
+VERSION_ID=168.0.0
+NAME="Rackspace Cloud Servers"
+HOME_URL="https://www.rackspace.com/cloud/servers/"
+BUG_REPORT_URL="https://github.com/coreos/coreos-overlay"
+`
+	if string(contents) != expect {
+		t.Fatalf("File has incorrect contents")
+	}
+}

initialize/ssh_keys_test.go

@@ -55,4 +55,31 @@ func TestCloudConfigUsersUrlMarshal(t *testing.T) {
 	if keys[2] != expected {
 		t.Fatalf("expected %s, got %s", expected, keys[2])
 	}
+
+}
+func TestCloudConfigUsersSSHImportURL(t *testing.T) {
+
+	contents := `
+users:
+  - name: elroy
+    coreos-ssh-import-url: https://token:x-auth-token@github.enterprise.com/api/v3/polvi/keys
+`
+	cfg, err := NewCloudConfig(contents)
+	if err != nil {
+		t.Fatalf("Encountered unexpected error: %v", err)
+	}
+
+	if len(cfg.Users) != 1 {
+		t.Fatalf("Parsed %d users, expected 1", len(cfg.Users))
+	}
+
+	user := cfg.Users[0]
+
+	if user.Name != "elroy" {
+		t.Errorf("User name is %q, expected 'elroy'", user.Name)
+	}
+
+	if user.SSHImportURL != "https://token:x-auth-token@github.enterprise.com/api/v3/polvi/keys" {
+		t.Errorf("ssh import url is %q, expected 'https://token:x-auth-token@github.enterprise.com/api/v3/polvi/keys'", user.SSHImportURL)
+	}
 }

initialize/update.go

@@ -0,0 +1,165 @@
+package initialize
+
+import (
+	"bufio"
+	"errors"
+	"fmt"
+	"os"
+	"path"
+	"strings"
+
+	"github.com/coreos/coreos-cloudinit/system"
+)
+
+const (
+	locksmithUnit    = "locksmithd.service"
+	updateEngineUnit = "update-engine.service"
+)
+
+// updateOption represents a configurable update option, which, if set, will be
+// written into update.conf, replacing any existing value for the option
+type updateOption struct {
+	key    string   // key used to configure this option in cloud-config
+	valid  []string // valid values for the option
+	prefix string   // prefix for the option in the update.conf file
+	value  string   // used to store the new value in update.conf (including prefix)
+	seen   bool     // whether the option has been seen in any existing update.conf
+}
+
+// updateOptions defines the update options understood by cloud-config.
+// The keys represent the string used in cloud-config to configure the option.
+var updateOptions = []*updateOption{
+	&updateOption{
+		key:    "reboot-strategy",
+		prefix: "REBOOT_STRATEGY=",
+		valid:  []string{"best-effort", "etcd-lock", "reboot", "off"},
+	},
+	&updateOption{
+		key:    "group",
+		prefix: "GROUP=",
+	},
+	&updateOption{
+		key:    "server",
+		prefix: "SERVER=",
+	},
+}
+
+// isValid checks whether a supplied value is valid for this option
+func (uo updateOption) isValid(val string) bool {
+	if len(uo.valid) == 0 {
+		return true
+	}
+	for _, v := range uo.valid {
+		if val == v {
+			return true
+		}
+	}
+	return false
+}
+
+type UpdateConfig map[string]string
+
+// File generates an `/etc/coreos/update.conf` file (if any update
+// configuration options are set in cloud-config) by either rewriting the
+// existing file on disk, or starting from `/usr/share/coreos/update.conf`
+func (uc UpdateConfig) File(root string) (*system.File, error) {
+	if len(uc) < 1 {
+		return nil, nil
+	}
+
+	var out string
+
+	// Generate the list of possible substitutions to be performed based on the options that are configured
+	subs := make([]*updateOption, 0)
+	for _, uo := range updateOptions {
+		val, ok := uc[uo.key]
+		if !ok {
+			continue
+		}
+		if !uo.isValid(val) {
+			return nil, errors.New(fmt.Sprintf("invalid value %v for option %v (valid options: %v)", val, uo.key, uo.valid))
+		}
+		uo.value = uo.prefix + val
+		subs = append(subs, uo)
+	}
+
+	etcUpdate := path.Join(root, "etc", "coreos", "update.conf")
+	usrUpdate := path.Join(root, "usr", "share", "coreos", "update.conf")
+
+	conf, err := os.Open(etcUpdate)
+	if os.IsNotExist(err) {
+		conf, err = os.Open(usrUpdate)
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	scanner := bufio.NewScanner(conf)
+
+	for scanner.Scan() {
+		line := scanner.Text()
+		for _, s := range subs {
+			if strings.HasPrefix(line, s.prefix) {
+				line = s.value
+				s.seen = true
+				break
+			}
+		}
+		out += line
+		out += "\n"
+		if err := scanner.Err(); err != nil {
+			return nil, err
+		}
+	}
+
+	for _, s := range subs {
+		if !s.seen {
+			out += s.value
+			out += "\n"
+		}
+	}
+
+	return &system.File{
+		Path:               path.Join("etc", "coreos", "update.conf"),
+		RawFilePermissions: "0644",
+		Content:            out,
+	}, nil
+}
+
+// Units generates units for the cloud-init initializer to act on:
+// - a locksmith system.Unit, if "reboot-strategy" was set in cloud-config
+// - an update_engine system.Unit, if "group" was set in cloud-config
+func (uc UpdateConfig) Units(root string) ([]system.Unit, error) {
+	var units []system.Unit
+	if strategy, ok := uc["reboot-strategy"]; ok {
+		ls := &system.Unit{
+			Name:    locksmithUnit,
+			Command: "restart",
+			Mask:    false,
+			Runtime: true,
+		}
+
+		if strategy == "off" {
+			ls.Command = "stop"
+			ls.Mask = true
+		}
+		units = append(units, *ls)
+	}
+
+	rue := false
+	if _, ok := uc["group"]; ok {
+		rue = true
+	}
+	if _, ok := uc["server"]; ok {
+		rue = true
+	}
+	if rue {
+		ue := system.Unit{
+			Name:    updateEngineUnit,
+			Command: "restart",
+		}
+		units = append(units, ue)
+	}
+
+	return units, nil
+}

initialize/update_test.go

@@ -0,0 +1,232 @@
+package initialize
+
+import (
+	"io/ioutil"
+	"os"
+	"path"
+	"sort"
+	"strings"
+	"testing"
+
+	"github.com/coreos/coreos-cloudinit/system"
+)
+
+const (
+	base = `SERVER=https://example.com
+GROUP=thegroupc`
+	configured = base + `
+REBOOT_STRATEGY=awesome
+`
+	expected = base + `
+REBOOT_STRATEGY=etcd-lock
+`
+)
+
+func setupFixtures(dir string) {
+	os.MkdirAll(path.Join(dir, "usr", "share", "coreos"), 0755)
+	os.MkdirAll(path.Join(dir, "run", "systemd", "system"), 0755)
+
+	ioutil.WriteFile(path.Join(dir, "usr", "share", "coreos", "update.conf"), []byte(base), 0644)
+}
+
+func TestEmptyUpdateConfig(t *testing.T) {
+	uc := &UpdateConfig{}
+	f, err := uc.File("")
+	if err != nil {
+		t.Error("unexpected error getting file from empty UpdateConfig")
+	}
+	if f != nil {
+		t.Errorf("getting file from empty UpdateConfig should have returned nil, got %v", f)
+	}
+	uu, err := uc.Units("")
+	if err != nil {
+		t.Error("unexpected error getting unit from empty UpdateConfig")
+	}
+	if len(uu) != 0 {
+		t.Errorf("getting unit from empty UpdateConfig should have returned zero units, got %d", len(uu))
+	}
+}
+
+func TestInvalidUpdateOptions(t *testing.T) {
+	uon := &updateOption{
+		key:    "numbers",
+		prefix: "numero_",
+		valid:  []string{"one", "two"},
+	}
+	uoa := &updateOption{
+		key:    "any_will_do",
+		prefix: "any_",
+	}
+
+	if !uon.isValid("one") {
+		t.Error("update option did not accept valid option \"one\"")
+	}
+	if uon.isValid("three") {
+		t.Error("update option accepted invalid option \"three\"")
+	}
+	for _, s := range []string{"one", "asdf", "foobarbaz"} {
+		if !uoa.isValid(s) {
+			t.Errorf("update option with no \"valid\" field did not accept %q", s)
+		}
+	}
+
+	uc := &UpdateConfig{"reboot-strategy": "wizzlewazzle"}
+	f, err := uc.File("")
+	if err == nil {
+		t.Errorf("File did not give an error on invalid UpdateOption")
+	}
+	if f != nil {
+		t.Errorf("File did not return a nil file on invalid UpdateOption")
+	}
+}
+
+func TestServerGroupOptions(t *testing.T) {
+	dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
+	if err != nil {
+		t.Fatalf("unable to create tempdir: %v", err)
+	}
+	defer os.RemoveAll(dir)
+	setupFixtures(dir)
+	u := &UpdateConfig{"group": "master", "server": "http://foo.com"}
+
+	want := `
+GROUP=master
+SERVER=http://foo.com`
+
+	f, err := u.File(dir)
+	if err != nil {
+		t.Errorf("unexpected error getting file from UpdateConfig: %v", err)
+	} else if f == nil {
+		t.Error("unexpectedly got empty file from UpdateConfig")
+	} else {
+		out := strings.Split(f.Content, "\n")
+		sort.Strings(out)
+		got := strings.Join(out, "\n")
+		if got != want {
+			t.Errorf("File has incorrect contents, got %v, want %v", got, want)
+		}
+	}
+
+	uu, err := u.Units(dir)
+	if err != nil {
+		t.Errorf("unexpected error getting units from UpdateConfig: %v", err)
+	} else if len(uu) != 1 {
+		t.Errorf("unexpected number of files returned from UpdateConfig: want 1, got %d", len(uu))
+	} else {
+		unit := uu[0]
+		if unit.Name != "update-engine.service" {
+			t.Errorf("bad name for generated unit: want update-engine.service, got %s", unit.Name)
+		}
+		if unit.Command != "restart" {
+			t.Errorf("bad command for generated unit: want restart, got %s", unit.Command)
+		}
+	}
+}
+
+func TestRebootStrategies(t *testing.T) {
+	dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
+	if err != nil {
+		t.Fatalf("Unable to create tempdir: %v", err)
+	}
+	defer os.RemoveAll(dir)
+	setupFixtures(dir)
+	strategies := []struct {
+		name     string
+		line     string
+		uMask    bool
+		uCommand string
+	}{
+		{"best-effort", "REBOOT_STRATEGY=best-effort", false, "restart"},
+		{"etcd-lock", "REBOOT_STRATEGY=etcd-lock", false, "restart"},
+		{"reboot", "REBOOT_STRATEGY=reboot", false, "restart"},
+		{"off", "REBOOT_STRATEGY=off", true, "stop"},
+	}
+	for _, s := range strategies {
+		uc := &UpdateConfig{"reboot-strategy": s.name}
+		f, err := uc.File(dir)
+		if err != nil {
+			t.Errorf("update failed to generate file for reboot-strategy=%v: %v", s.name, err)
+		} else if f == nil {
+			t.Errorf("generated empty file for reboot-strategy=%v", s.name)
+		} else {
+			seen := false
+			for _, line := range strings.Split(f.Content, "\n") {
+				if line == s.line {
+					seen = true
+					break
+				}
+			}
+			if !seen {
+				t.Errorf("couldn't find expected line %v for reboot-strategy=%v", s.line, s.name)
+			}
+		}
+		uu, err := uc.Units(dir)
+		if err != nil {
+			t.Errorf("failed to generate unit for reboot-strategy=%v!", s.name)
+		} else if len(uu) != 1 {
+			t.Errorf("unexpected number of units for reboot-strategy=%v: %d", s.name, len(uu))
+		} else {
+			u := uu[0]
+			if u.Name != locksmithUnit {
+				t.Errorf("unit generated for reboot strategy=%v had bad name: %v", s.name, u.Name)
+			}
+			if u.Mask != s.uMask {
+				t.Errorf("unit generated for reboot strategy=%v had bad mask: %t", s.name, u.Mask)
+			}
+			if u.Command != s.uCommand {
+				t.Errorf("unit generated for reboot strategy=%v had bad command: %v", s.name, u.Command)
+			}
+		}
+	}
+
+}
+
+func TestUpdateConfWrittenToDisk(t *testing.T) {
+	dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
+	if err != nil {
+		t.Fatalf("Unable to create tempdir: %v", err)
+	}
+	defer os.RemoveAll(dir)
+	setupFixtures(dir)
+
+	for i := 0; i < 2; i++ {
+		if i == 1 {
+			err = ioutil.WriteFile(path.Join(dir, "etc", "coreos", "update.conf"), []byte(configured), 0644)
+			if err != nil {
+				t.Fatal(err)
+			}
+		}
+		uc := &UpdateConfig{"reboot-strategy": "etcd-lock"}
+
+		f, err := uc.File(dir)
+		if err != nil {
+			t.Fatalf("Processing UpdateConfig failed: %v", err)
+		} else if f == nil {
+			t.Fatal("Unexpectedly got nil updateconfig file")
+		}
+
+		if _, err := system.WriteFile(f, dir); err != nil {
+			t.Fatalf("Error writing update config: %v", err)
+		}
+
+		fullPath := path.Join(dir, "etc", "coreos", "update.conf")
+
+		fi, err := os.Stat(fullPath)
+		if err != nil {
+			t.Fatalf("Unable to stat file: %v", err)
+		}
+
+		if fi.Mode() != os.FileMode(0644) {
+			t.Errorf("File has incorrect mode: %v", fi.Mode())
+		}
+
+		contents, err := ioutil.ReadFile(fullPath)
+		if err != nil {
+			t.Fatalf("Unable to read expected file: %v", err)
+		}
+
+		if string(contents) != expected {
+			t.Fatalf("File has incorrect contents, got %v, wanted %v", string(contents), expected)
+		}
+	}
+}

initialize/user_data.go

@@ -21,7 +21,6 @@ import (
 	"log"
 	"strings"
 
-	"github.com/coreos/coreos-cloudinit/config"
 	"github.com/coreos/coreos-cloudinit/system"
 )
 
@@ -41,7 +40,7 @@ func ParseUserData(contents string) (interface{}, error) {
 		return system.Script(contents), nil
 	} else if header == "#cloud-config" {
 		log.Printf("Parsing user-data as cloud-config")
-		return config.NewCloudConfig(contents)
+		return NewCloudConfig(contents)
 	} else {
 		return nil, fmt.Errorf("Unrecognized user-data header: %s", header)
 	}

initialize/user_data_test.go

@@ -18,8 +18,6 @@ package initialize
 
 import (
 	"testing"
-
-	"github.com/coreos/coreos-cloudinit/config"
 )
 
 func TestParseHeaderCRLF(t *testing.T) {
@@ -55,7 +53,7 @@ func TestParseConfigCRLF(t *testing.T) {
 		t.Fatalf("Failed parsing config: %v", err)
 	}
 
-	cfg := ud.(*config.CloudConfig)
+	cfg := ud.(*CloudConfig)
 
 	if cfg.Hostname != "foo" {
 		t.Error("Failed parsing hostname from config")

initialize/workspace.go

@@ -21,7 +21,6 @@ import (
 	"path"
 	"strings"
 
-	"github.com/coreos/coreos-cloudinit/config"
 	"github.com/coreos/coreos-cloudinit/system"
 )
 
@@ -48,21 +47,21 @@ func PersistScriptInWorkspace(script system.Script, workspace string) (string, e
 
 	relpath := strings.TrimPrefix(tmp.Name(), workspace)
 
-	file := system.File{File: config.File{
+	file := system.File{
 		Path:               relpath,
 		RawFilePermissions: "0744",
 		Content:            string(script),
-	}}
+	}
 
 	return system.WriteFile(&file, workspace)
 }
 
 func PersistUnitNameInWorkspace(name string, workspace string) error {
-	file := system.File{File: config.File{
+	file := system.File{
 		Path:               path.Join("scripts", "unit-name"),
 		RawFilePermissions: "0644",
 		Content:            name,
-	}}
+	}
 	_, err := system.WriteFile(&file, workspace)
 	return err
 }

system/env_file_test.go

@@ -23,8 +23,6 @@ import (
 	"strings"
 	"syscall"
 	"testing"
-
-	"github.com/coreos/coreos-cloudinit/config"
 )
 
 const (
@@ -66,9 +64,9 @@ func TestWriteEnvFileUpdate(t *testing.T) {
 	}
 
 	ef := EnvFile{
-		File: &File{config.File{
+		File: &File{
 			Path: name,
-		}},
+		},
 		Vars: valueUpdate,
 	}
 
@@ -113,9 +111,9 @@ func TestWriteEnvFileUpdateNoNewline(t *testing.T) {
 	}
 
 	ef := EnvFile{
-		File: &File{config.File{
+		File: &File{
 			Path: name,
-		}},
+		},
 		Vars: valueUpdate,
 	}
 
@@ -154,9 +152,9 @@ func TestWriteEnvFileCreate(t *testing.T) {
 	fullPath := path.Join(dir, name)
 
 	ef := EnvFile{
-		File: &File{config.File{
+		File: &File{
 			Path: name,
-		}},
+		},
 		Vars: valueUpdate,
 	}
 
@@ -192,9 +190,9 @@ func TestWriteEnvFileNoop(t *testing.T) {
 	}
 
 	ef := EnvFile{
-		File: &File{config.File{
+		File: &File{
 			Path: name,
-		}},
+		},
 		Vars: valueNoop,
 	}
 
@@ -239,9 +237,9 @@ func TestWriteEnvFileUpdateDos(t *testing.T) {
 	}
 
 	ef := EnvFile{
-		File: &File{config.File{
+		File: &File{
 			Path: name,
-		}},
+		},
 		Vars: valueUpdate,
 	}
 
@@ -288,9 +286,9 @@ func TestWriteEnvFileDos2Unix(t *testing.T) {
 	}
 
 	ef := EnvFile{
-		File: &File{config.File{
+		File: &File{
 			Path: name,
-		}},
+		},
 		Vars: valueNoop,
 	}
 
@@ -336,9 +334,9 @@ func TestWriteEnvFileEmpty(t *testing.T) {
 	}
 
 	ef := EnvFile{
-		File: &File{config.File{
+		File: &File{
 			Path: name,
-		}},
+		},
 		Vars: valueEmpty,
 	}
 
@@ -378,9 +376,9 @@ func TestWriteEnvFileEmptyNoCreate(t *testing.T) {
 	fullPath := path.Join(dir, name)
 
 	ef := EnvFile{
-		File: &File{config.File{
+		File: &File{
 			Path: name,
-		}},
+		},
 		Vars: valueEmpty,
 	}
 
@@ -409,9 +407,9 @@ func TestWriteEnvFilePermFailure(t *testing.T) {
 	ioutil.WriteFile(fullPath, []byte(base), 0000)
 
 	ef := EnvFile{
-		File: &File{config.File{
+		File: &File{
 			Path: name,
-		}},
+		},
 		Vars: valueUpdate,
 	}
 
@@ -431,9 +429,9 @@ func TestWriteEnvFileNameFailure(t *testing.T) {
 	name := "foo.conf"
 
 	ef := EnvFile{
-		File: &File{config.File{
+		File: &File{
 			Path: name,
-		}},
+		},
 		Vars: valueInvalid,
 	}
 

system/etc_hosts_test.go

@@ -1,62 +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 system
-
-import (
-	"fmt"
-	"os"
-	"reflect"
-	"testing"
-
-	"github.com/coreos/coreos-cloudinit/config"
-)
-
-func TestEtcdHostsFile(t *testing.T) {
-	hostname, err := os.Hostname()
-	if err != nil {
-		panic(err)
-	}
-
-	for _, tt := range []struct {
-		config config.EtcHosts
-		file   *File
-		err    error
-	}{
-		{
-			"invalid",
-			nil,
-			fmt.Errorf("Invalid option to manage_etc_hosts"),
-		},
-		{
-			"localhost",
-			&File{config.File{
-				Content:            fmt.Sprintf("127.0.0.1 %s\n", hostname),
-				Path:               "etc/hosts",
-				RawFilePermissions: "0644",
-			}},
-			nil,
-		},
-	} {
-		file, err := EtcHosts{tt.config}.File()
-		if !reflect.DeepEqual(tt.err, err) {
-			t.Errorf("bad error (%q): want %q, got %q", tt.config, tt.err, err)
-		}
-		if !reflect.DeepEqual(tt.file, file) {
-			t.Errorf("bad units (%q): want %#v, got %#v", tt.config, tt.file, file)
-		}
-	}
-}

system/etcd.go

@@ -1,41 +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 system
-
-import (
-	"github.com/coreos/coreos-cloudinit/config"
-)
-
-// Etcd is a top-level structure which embeds its underlying configuration,
-// config.Etcd, and provides the system-specific Unit().
-type Etcd struct {
-	config.Etcd
-}
-
-// Units creates a Unit file drop-in for etcd, using any configured options.
-func (ee Etcd) Units() []Unit {
-	content := dropinContents(ee.Etcd)
-	if content == "" {
-		return nil
-	}
-	return []Unit{{config.Unit{
-		Name:    "etcd.service",
-		Runtime: true,
-		DropIn:  true,
-		Content: content,
-	}}}
-}

system/etcd_test.go

@@ -1,73 +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 system
-
-import (
-	"reflect"
-	"testing"
-
-	"github.com/coreos/coreos-cloudinit/config"
-)
-
-func TestEtcdUnits(t *testing.T) {
-	for _, tt := range []struct {
-		config config.Etcd
-		units  []Unit
-	}{
-		{
-			config.Etcd{},
-			nil,
-		},
-		{
-			config.Etcd{
-				Discovery:    "http://disco.example.com/foobar",
-				PeerBindAddr: "127.0.0.1:7002",
-			},
-			[]Unit{{config.Unit{
-				Name:    "etcd.service",
-				Runtime: true,
-				DropIn:  true,
-				Content: `[Service]
-Environment="ETCD_DISCOVERY=http://disco.example.com/foobar"
-Environment="ETCD_PEER_BIND_ADDR=127.0.0.1:7002"
-`,
-			}}},
-		},
-		{
-			config.Etcd{
-				Name:         "node001",
-				Discovery:    "http://disco.example.com/foobar",
-				PeerBindAddr: "127.0.0.1:7002",
-			},
-			[]Unit{{config.Unit{
-				Name:    "etcd.service",
-				Runtime: true,
-				DropIn:  true,
-				Content: `[Service]
-Environment="ETCD_DISCOVERY=http://disco.example.com/foobar"
-Environment="ETCD_NAME=node001"
-Environment="ETCD_PEER_BIND_ADDR=127.0.0.1:7002"
-`,
-			}}},
-		},
-	} {
-		units := Etcd{tt.config}.Units()
-		if !reflect.DeepEqual(tt.units, units) {
-			t.Errorf("bad units (%q): want %#v, got %#v", tt.config, tt.units, units)
-		}
-	}
-}

system/file.go

@@ -24,14 +24,14 @@ import (
 	"os/exec"
 	"path"
 	"strconv"
-
-	"github.com/coreos/coreos-cloudinit/config"
 )
 
-// File is a top-level structure which embeds its underlying configuration,
-// config.File, and provides the system-specific Permissions().
 type File struct {
-	config.File
+	Encoding           string
+	Content            string
+	Owner              string
+	Path               string
+	RawFilePermissions string `yaml:"permissions"`
 }
 
 func (f *File) Permissions() (os.FileMode, error) {

system/file_test.go

@@ -21,8 +21,6 @@ import (
 	"os"
 	"path"
 	"testing"
-
-	"github.com/coreos/coreos-cloudinit/config"
 )
 
 func TestWriteFileUnencodedContent(t *testing.T) {
@@ -35,11 +33,11 @@ func TestWriteFileUnencodedContent(t *testing.T) {
 	fn := "foo"
 	fullPath := path.Join(dir, fn)
 
-	wf := File{config.File{
+	wf := File{
 		Path:               fn,
 		Content:            "bar",
 		RawFilePermissions: "0644",
-	}}
+	}
 
 	path, err := WriteFile(&wf, dir)
 	if err != nil {
@@ -74,11 +72,11 @@ func TestWriteFileInvalidPermission(t *testing.T) {
 	}
 	defer os.RemoveAll(dir)
 
-	wf := File{config.File{
+	wf := File{
 		Path:               path.Join(dir, "tmp", "foo"),
 		Content:            "bar",
 		RawFilePermissions: "pants",
-	}}
+	}
 
 	if _, err := WriteFile(&wf, dir); err == nil {
 		t.Fatalf("Expected error to be raised when writing file with invalid permission")
@@ -95,10 +93,10 @@ func TestWriteFilePermissions(t *testing.T) {
 	fn := "foo"
 	fullPath := path.Join(dir, fn)
 
-	wf := File{config.File{
+	wf := File{
 		Path:               fn,
 		RawFilePermissions: "0755",
-	}}
+	}
 
 	path, err := WriteFile(&wf, dir)
 	if err != nil {
@@ -124,11 +122,11 @@ func TestWriteFileEncodedContent(t *testing.T) {
 	}
 	defer os.RemoveAll(dir)
 
-	wf := File{config.File{
+	wf := File{
 		Path:     path.Join(dir, "tmp", "foo"),
 		Content:  "",
 		Encoding: "base64",
-	}}
+	}
 
 	if _, err := WriteFile(&wf, dir); err == nil {
 		t.Fatalf("Expected error to be raised when writing file with encoding")

system/fleet.go

@@ -1,42 +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 system
-
-import (
-	"github.com/coreos/coreos-cloudinit/config"
-)
-
-// Fleet is a top-level structure which embeds its underlying configuration,
-// config.Fleet, and provides the system-specific Unit().
-type Fleet struct {
-	config.Fleet
-}
-
-// Units generates a Unit file drop-in for fleet, if any fleet options were
-// configured in cloud-config
-func (fe Fleet) Units() []Unit {
-	content := dropinContents(fe.Fleet)
-	if content == "" {
-		return nil
-	}
-	return []Unit{{config.Unit{
-		Name:    "fleet.service",
-		Runtime: true,
-		DropIn:  true,
-		Content: content,
-	}}}
-}

system/fleet_test.go

@@ -1,54 +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 system
-
-import (
-	"reflect"
-	"testing"
-
-	"github.com/coreos/coreos-cloudinit/config"
-)
-
-func TestFleetUnits(t *testing.T) {
-	for _, tt := range []struct {
-		config config.Fleet
-		units  []Unit
-	}{
-		{
-			config.Fleet{},
-			nil,
-		},
-		{
-			config.Fleet{
-				PublicIP: "12.34.56.78",
-			},
-			[]Unit{{config.Unit{
-				Name: "fleet.service",
-				Content: `[Service]
-Environment="FLEET_PUBLIC_IP=12.34.56.78"
-`,
-				Runtime: true,
-				DropIn:  true,
-			}}},
-		},
-	} {
-		units := Fleet{tt.config}.Units()
-		if !reflect.DeepEqual(units, tt.units) {
-			t.Errorf("bad units (%q): want %#v, got %#v", tt.config, tt.units, units)
-		}
-	}
-}

system/networkd.go

@@ -23,7 +23,6 @@ import (
 	"os/exec"
 	"strings"
 
-	"github.com/coreos/coreos-cloudinit/config"
 	"github.com/coreos/coreos-cloudinit/network"
 
 	"github.com/coreos/coreos-cloudinit/Godeps/_workspace/src/github.com/dotcloud/docker/pkg/netlink"
@@ -118,11 +117,11 @@ func WriteNetworkdConfigs(interfaces []network.InterfaceGenerator) error {
 	return nil
 }
 
-func writeConfig(filename string, content string) error {
+func writeConfig(filename string, config string) error {
-	if content == "" {
+	if config == "" {
 		return nil
 	}
 	log.Printf("Writing networkd unit %q\n", filename)
-	_, err := WriteFile(&File{config.File{Content: content, Path: filename}}, runtimeNetworkPath)
+	_, err := WriteFile(&File{Content: config, Path: filename}, runtimeNetworkPath)
 	return err
 }

system/oem.go

@@ -1,48 +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 system
-
-import (
-	"fmt"
-	"path"
-
-	"github.com/coreos/coreos-cloudinit/config"
-)
-
-// OEM is a top-level structure which embeds its underlying configuration,
-// config.OEM, and provides the system-specific File().
-type OEM struct {
-	config.OEM
-}
-
-func (oem OEM) File() (*File, error) {
-	if oem.ID == "" {
-		return nil, nil
-	}
-
-	content := fmt.Sprintf("ID=%s\n", oem.ID)
-	content += fmt.Sprintf("VERSION_ID=%s\n", oem.VersionID)
-	content += fmt.Sprintf("NAME=%q\n", oem.Name)
-	content += fmt.Sprintf("HOME_URL=%q\n", oem.HomeURL)
-	content += fmt.Sprintf("BUG_REPORT_URL=%q\n", oem.BugReportURL)
-
-	return &File{config.File{
-		Path:               path.Join("etc", "oem-release"),
-		RawFilePermissions: "0644",
-		Content:            content,
-	}}, nil
-}

system/oem_test.go

@@ -1,63 +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 system
-
-import (
-	"reflect"
-	"testing"
-
-	"github.com/coreos/coreos-cloudinit/config"
-)
-
-func TestOEMFile(t *testing.T) {
-	for _, tt := range []struct {
-		config config.OEM
-		file   *File
-	}{
-		{
-			config.OEM{},
-			nil,
-		},
-		{
-			config.OEM{
-				ID:           "rackspace",
-				Name:         "Rackspace Cloud Servers",
-				VersionID:    "168.0.0",
-				HomeURL:      "https://www.rackspace.com/cloud/servers/",
-				BugReportURL: "https://github.com/coreos/coreos-overlay",
-			},
-			&File{config.File{
-				Path:               "etc/oem-release",
-				RawFilePermissions: "0644",
-				Content: `ID=rackspace
-VERSION_ID=168.0.0
-NAME="Rackspace Cloud Servers"
-HOME_URL="https://www.rackspace.com/cloud/servers/"
-BUG_REPORT_URL="https://github.com/coreos/coreos-overlay"
-`,
-			}},
-		},
-	} {
-		file, err := OEM{tt.config}.File()
-		if err != nil {
-			t.Errorf("bad error (%q): want %v, got %q", tt.config, nil, err)
-		}
-		if !reflect.DeepEqual(tt.file, file) {
-			t.Errorf("bad file (%q): want %#v, got %#v", tt.config, tt.file, file)
-		}
-	}
-}

system/systemd.go

@@ -27,7 +27,6 @@ import (
 	"strings"
 
 	"github.com/coreos/coreos-cloudinit/Godeps/_workspace/src/github.com/coreos/go-systemd/dbus"
-	"github.com/coreos/coreos-cloudinit/config"
 )
 
 func NewUnitManager(root string) UnitManager {
@@ -52,11 +51,11 @@ func (s *systemd) PlaceUnit(u *Unit, dst string) error {
 		}
 	}
 
-	file := File{config.File{
+	file := File{
 		Path:               filepath.Base(dst),
 		Content:            u.Content,
 		RawFilePermissions: "0644",
-	}}
+	}
 
 	_, err := WriteFile(&file, dir)
 	if err != nil {

system/systemd_test.go

@@ -21,12 +21,10 @@ import (
 	"os"
 	"path"
 	"testing"
-
-	"github.com/coreos/coreos-cloudinit/config"
 )
 
 func TestPlaceNetworkUnit(t *testing.T) {
-	u := Unit{config.Unit{
+	u := Unit{
 		Name:    "50-eth0.network",
 		Runtime: true,
 		Content: `[Match]
@@ -35,7 +33,7 @@ Name=eth47
 [Network]
 Address=10.209.171.177/19
 `,
-	}}
+	}
 
 	dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
 	if err != nil {
@@ -84,10 +82,10 @@ func TestUnitDestination(t *testing.T) {
 	dir := "/some/dir"
 	name := "foobar.service"
 
-	u := Unit{config.Unit{
+	u := Unit{
 		Name:   name,
 		DropIn: false,
-	}}
+	}
 
 	dst := u.Destination(dir)
 	expectDst := path.Join(dir, "etc", "systemd", "system", "foobar.service")
@@ -105,14 +103,14 @@ func TestUnitDestination(t *testing.T) {
 }
 
 func TestPlaceMountUnit(t *testing.T) {
-	u := Unit{config.Unit{
+	u := Unit{
 		Name:    "media-state.mount",
 		Runtime: false,
 		Content: `[Mount]
 What=/dev/sdb1
 Where=/media/state
 `,
-	}}
+	}
 
 	dir, err := ioutil.TempDir(os.TempDir(), "coreos-cloudinit-")
 	if err != nil {
@@ -180,7 +178,7 @@ func TestMaskUnit(t *testing.T) {
 	sd := &systemd{dir}
 
 	// Ensure mask works with units that do not currently exist
-	uf := &Unit{config.Unit{Name: "foo.service"}}
+	uf := &Unit{Name: "foo.service"}
 	if err := sd.MaskUnit(uf); err != nil {
 		t.Fatalf("Unable to mask new unit: %v", err)
 	}
@@ -194,7 +192,7 @@ func TestMaskUnit(t *testing.T) {
 	}
 
 	// Ensure mask works with unit files that already exist
-	ub := &Unit{config.Unit{Name: "bar.service"}}
+	ub := &Unit{Name: "bar.service"}
 	barPath := path.Join(dir, "etc", "systemd", "system", "bar.service")
 	if _, err := os.Create(barPath); err != nil {
 		t.Fatalf("Error creating new unit file: %v", err)
@@ -220,12 +218,12 @@ func TestUnmaskUnit(t *testing.T) {
 
 	sd := &systemd{dir}
 
-	nilUnit := &Unit{config.Unit{Name: "null.service"}}
+	nilUnit := &Unit{Name: "null.service"}
 	if err := sd.UnmaskUnit(nilUnit); err != nil {
 		t.Errorf("unexpected error from unmasking nonexistent unit: %v", err)
 	}
 
-	uf := &Unit{config.Unit{Name: "foo.service", Content: "[Service]\nExecStart=/bin/true"}}
+	uf := &Unit{Name: "foo.service", Content: "[Service]\nExecStart=/bin/true"}
 	dst := uf.Destination(dir)
 	if err := os.MkdirAll(path.Dir(dst), os.FileMode(0755)); err != nil {
 		t.Fatalf("Unable to create unit directory: %v", err)
@@ -245,7 +243,7 @@ func TestUnmaskUnit(t *testing.T) {
 		t.Errorf("unmask of non-empty unit mutated unit contents unexpectedly")
 	}
 
-	ub := &Unit{config.Unit{Name: "bar.service"}}
+	ub := &Unit{Name: "bar.service"}
 	dst = ub.Destination(dir)
 	if err := os.Symlink("/dev/null", dst); err != nil {
 		t.Fatalf("Unable to create masked unit: %v", err)

system/unit.go

@@ -19,8 +19,8 @@ package system
 import (
 	"fmt"
 	"path"
-
+	"path/filepath"
-	"github.com/coreos/coreos-cloudinit/config"
+	"strings"
 )
 
 // Name for drop-in service configuration files created by cloudconfig
@@ -35,10 +35,33 @@ type UnitManager interface {
 	UnmaskUnit(unit *Unit) error
 }
 
-// Unit is a top-level structure which embeds its underlying configuration,
-// config.Unit, and provides the system-specific Destination().
 type Unit struct {
-	config.Unit
+	Name    string
+	Mask    bool
+	Enable  bool
+	Runtime bool
+	Content string
+	Command string
+
+	// For drop-in units, a cloudinit.conf is generated.
+	// This is currently unbound in YAML (and hence unsettable in cloud-config files)
+	// until the correct behaviour for multiple drop-in units is determined.
+	DropIn bool `yaml:"-"`
+}
+
+func (u *Unit) Type() string {
+	ext := filepath.Ext(u.Name)
+	return strings.TrimLeft(ext, ".")
+}
+
+func (u *Unit) Group() (group string) {
+	t := u.Type()
+	if t == "network" || t == "netdev" || t == "link" {
+		group = "network"
+	} else {
+		group = "system"
+	}
+	return
 }
 
 type Script []byte

system/update.go

@@ -1,153 +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 system
-
-import (
-	"bufio"
-	"fmt"
-	"io"
-	"os"
-	"path"
-	"reflect"
-	"sort"
-	"strings"
-
-	"github.com/coreos/coreos-cloudinit/config"
-)
-
-const (
-	locksmithUnit    = "locksmithd.service"
-	updateEngineUnit = "update-engine.service"
-)
-
-// Update is a top-level structure which contains its underlying configuration,
-// config.Update, a function for reading the configuration (the default
-// implementation reading from the filesystem), and provides the system-specific
-// File() and Unit().
-type Update struct {
-	ReadConfig func() (io.Reader, error)
-	config.Update
-}
-
-func DefaultReadConfig() (io.Reader, error) {
-	etcUpdate := path.Join("/etc", "coreos", "update.conf")
-	usrUpdate := path.Join("/usr", "share", "coreos", "update.conf")
-
-	f, err := os.Open(etcUpdate)
-	if os.IsNotExist(err) {
-		f, err = os.Open(usrUpdate)
-	}
-	return f, err
-}
-
-// File generates an `/etc/coreos/update.conf` file (if any update
-// configuration options are set in cloud-config) by either rewriting the
-// existing file on disk, or starting from `/usr/share/coreos/update.conf`
-func (uc Update) File() (*File, error) {
-	if config.IsZero(uc.Update) {
-		return nil, nil
-	}
-	if err := config.AssertValid(uc.Update); err != nil {
-		return nil, err
-	}
-
-	// Generate the list of possible substitutions to be performed based on the options that are configured
-	subs := map[string]string{}
-	uct := reflect.TypeOf(uc.Update)
-	ucv := reflect.ValueOf(uc.Update)
-	for i := 0; i < uct.NumField(); i++ {
-		val := ucv.Field(i).String()
-		if val == "" {
-			continue
-		}
-		env := uct.Field(i).Tag.Get("env")
-		subs[env] = fmt.Sprintf("%s=%s", env, val)
-	}
-
-	conf, err := uc.ReadConfig()
-	if err != nil {
-		return nil, err
-	}
-	scanner := bufio.NewScanner(conf)
-
-	var out string
-	for scanner.Scan() {
-		line := scanner.Text()
-		for env, value := range subs {
-			if strings.HasPrefix(line, env) {
-				line = value
-				delete(subs, env)
-				break
-			}
-		}
-		out += line
-		out += "\n"
-		if err := scanner.Err(); err != nil {
-			return nil, err
-		}
-	}
-
-	for _, key := range sortedKeys(subs) {
-		out += subs[key]
-		out += "\n"
-	}
-
-	return &File{config.File{
-		Path:               path.Join("etc", "coreos", "update.conf"),
-		RawFilePermissions: "0644",
-		Content:            out,
-	}}, nil
-}
-
-// Units generates units for the cloud-init initializer to act on:
-// - a locksmith Unit, if "reboot-strategy" was set in cloud-config
-// - an update_engine Unit, if "group" or "server" was set in cloud-config
-func (uc Update) Units() []Unit {
-	var units []Unit
-	if uc.Update.RebootStrategy != "" {
-		ls := &Unit{config.Unit{
-			Name:    locksmithUnit,
-			Command: "restart",
-			Mask:    false,
-			Runtime: true,
-		}}
-
-		if uc.Update.RebootStrategy == "off" {
-			ls.Command = "stop"
-			ls.Mask = true
-		}
-		units = append(units, *ls)
-	}
-
-	if uc.Update.Group != "" || uc.Update.Server != "" {
-		ue := Unit{config.Unit{
-			Name:    updateEngineUnit,
-			Command: "restart",
-		}}
-		units = append(units, ue)
-	}
-
-	return units
-}
-
-func sortedKeys(m map[string]string) (keys []string) {
-	for key := range m {
-		keys = append(keys, key)
-	}
-	sort.Strings(keys)
-	return
-}

system/update_test.go

@@ -1,164 +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 system
-
-import (
-	"errors"
-	"io"
-	"reflect"
-	"strings"
-	"testing"
-
-	"github.com/coreos/coreos-cloudinit/config"
-)
-
-func testReadConfig(config string) func() (io.Reader, error) {
-	return func() (io.Reader, error) {
-		return strings.NewReader(config), nil
-	}
-}
-
-func TestUpdateUnits(t *testing.T) {
-	for _, tt := range []struct {
-		config config.Update
-		units  []Unit
-		err    error
-	}{
-		{
-			config: config.Update{},
-		},
-		{
-			config: config.Update{Group: "master", Server: "http://foo.com"},
-			units: []Unit{{config.Unit{
-				Name:    "update-engine.service",
-				Command: "restart",
-			}}},
-		},
-		{
-			config: config.Update{RebootStrategy: "best-effort"},
-			units: []Unit{{config.Unit{
-				Name:    "locksmithd.service",
-				Command: "restart",
-				Runtime: true,
-			}}},
-		},
-		{
-			config: config.Update{RebootStrategy: "etcd-lock"},
-			units: []Unit{{config.Unit{
-				Name:    "locksmithd.service",
-				Command: "restart",
-				Runtime: true,
-			}}},
-		},
-		{
-			config: config.Update{RebootStrategy: "reboot"},
-			units: []Unit{{config.Unit{
-				Name:    "locksmithd.service",
-				Command: "restart",
-				Runtime: true,
-			}}},
-		},
-		{
-			config: config.Update{RebootStrategy: "off"},
-			units: []Unit{{config.Unit{
-				Name:    "locksmithd.service",
-				Command: "stop",
-				Runtime: true,
-				Mask:    true,
-			}}},
-		},
-	} {
-		units := Update{Update: tt.config, ReadConfig: testReadConfig("")}.Units()
-		if !reflect.DeepEqual(tt.units, units) {
-			t.Errorf("bad units (%q): want %#v, got %#v", tt.config, tt.units, units)
-		}
-	}
-}
-
-func TestUpdateFile(t *testing.T) {
-	for _, tt := range []struct {
-		config config.Update
-		orig   string
-		file   *File
-		err    error
-	}{
-		{
-			config: config.Update{},
-		},
-		{
-			config: config.Update{RebootStrategy: "wizzlewazzle"},
-			err:    errors.New("invalid value \"wizzlewazzle\" for option \"RebootStrategy\" (valid options: \"best-effort,etcd-lock,reboot,off\")"),
-		},
-		{
-			config: config.Update{Group: "master", Server: "http://foo.com"},
-			file: &File{config.File{
-				Content:            "GROUP=master\nSERVER=http://foo.com\n",
-				Path:               "etc/coreos/update.conf",
-				RawFilePermissions: "0644",
-			}},
-		},
-		{
-			config: config.Update{RebootStrategy: "best-effort"},
-			file: &File{config.File{
-				Content:            "REBOOT_STRATEGY=best-effort\n",
-				Path:               "etc/coreos/update.conf",
-				RawFilePermissions: "0644",
-			}},
-		},
-		{
-			config: config.Update{RebootStrategy: "etcd-lock"},
-			file: &File{config.File{
-				Content:            "REBOOT_STRATEGY=etcd-lock\n",
-				Path:               "etc/coreos/update.conf",
-				RawFilePermissions: "0644",
-			}},
-		},
-		{
-			config: config.Update{RebootStrategy: "reboot"},
-			file: &File{config.File{
-				Content:            "REBOOT_STRATEGY=reboot\n",
-				Path:               "etc/coreos/update.conf",
-				RawFilePermissions: "0644",
-			}},
-		},
-		{
-			config: config.Update{RebootStrategy: "off"},
-			file: &File{config.File{
-				Content:            "REBOOT_STRATEGY=off\n",
-				Path:               "etc/coreos/update.conf",
-				RawFilePermissions: "0644",
-			}},
-		},
-		{
-			config: config.Update{RebootStrategy: "etcd-lock"},
-			orig:   "SERVER=https://example.com\nGROUP=thegroupc\nREBOOT_STRATEGY=awesome",
-			file: &File{config.File{
-				Content:            "SERVER=https://example.com\nGROUP=thegroupc\nREBOOT_STRATEGY=etcd-lock\n",
-				Path:               "etc/coreos/update.conf",
-				RawFilePermissions: "0644",
-			}},
-		},
-	} {
-		file, err := Update{Update: tt.config, ReadConfig: testReadConfig(tt.orig)}.File()
-		if !reflect.DeepEqual(tt.err, err) {
-			t.Errorf("bad error (%q): want %q, got %q", tt.config, tt.err, err)
-		}
-		if !reflect.DeepEqual(tt.file, file) {
-			t.Errorf("bad units (%q): want %#v, got %#v", tt.config, tt.file, file)
-		}
-	}
-}

system/user.go

@@ -22,16 +22,30 @@ import (
 	"os/exec"
 	"os/user"
 	"strings"
-
-	"github.com/coreos/coreos-cloudinit/config"
 )
 
-func UserExists(u *config.User) bool {
+type User struct {
+	Name                string   `yaml:"name"`
+	PasswordHash        string   `yaml:"passwd"`
+	SSHAuthorizedKeys   []string `yaml:"ssh-authorized-keys"`
+	SSHImportGithubUser string   `yaml:"coreos-ssh-import-github"`
+	SSHImportURL        string   `yaml:"coreos-ssh-import-url"`
+	GECOS               string   `yaml:"gecos"`
+	Homedir             string   `yaml:"homedir"`
+	NoCreateHome        bool     `yaml:"no-create-home"`
+	PrimaryGroup        string   `yaml:"primary-group"`
+	Groups              []string `yaml:"groups"`
+	NoUserGroup         bool     `yaml:"no-user-group"`
+	System              bool     `yaml:"system"`
+	NoLogInit           bool     `yaml:"no-log-init"`
+}
+
+func UserExists(u *User) bool {
 	_, err := user.Lookup(u.Name)
 	return err == nil
 }
 
-func CreateUser(u *config.User) error {
+func CreateUser(u *User) error {
 	args := []string{}
 
 	if u.PasswordHash != "" {

test

@@ -14,7 +14,6 @@ COVER=${COVER:-"-cover"}
 source ./build
 
 declare -a TESTPKGS=(
-	config
 	datasource
 	datasource/configdrive
 	datasource/file