125
datasource/metadata/openstack/metadata.go
Normal file
125
datasource/metadata/openstack/metadata.go
Normal file
@@ -0,0 +1,125 @@
|
||||
/*
|
||||
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 openstack
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
|
||||
"github.com/coreos/coreos-cloudinit/datasource/metadata"
|
||||
)
|
||||
|
||||
const (
|
||||
DefaultAddress = "http://169.254.169.254/"
|
||||
apiVersion = "openstack/latest"
|
||||
userdataUrl = apiVersion + "/user_data"
|
||||
metadataPath = apiVersion + "/meta_data.json"
|
||||
)
|
||||
|
||||
type Address struct {
|
||||
IPAddress string `json:"ip_address"`
|
||||
Netmask string `json:"netmask"`
|
||||
Cidr int `json:"cidr"`
|
||||
Gateway string `json:"gateway"`
|
||||
}
|
||||
|
||||
type Interface struct {
|
||||
IPv4 *Address `json:"ipv4"`
|
||||
IPv6 *Address `json:"ipv6"`
|
||||
MAC string `json:"mac"`
|
||||
Type string `json:"type"`
|
||||
}
|
||||
|
||||
type Interfaces struct {
|
||||
Public []Interface `json:"public"`
|
||||
Private []Interface `json:"private"`
|
||||
}
|
||||
|
||||
type DNS struct {
|
||||
Nameservers []string `json:"nameservers"`
|
||||
}
|
||||
|
||||
type Metadata struct {
|
||||
Hostname string `json:"hostname"`
|
||||
Interfaces Interfaces `json:"interfaces,omitempty"`
|
||||
PublicKeys map[string]string `json:"public_keys"`
|
||||
DNS DNS `json:"dns,omitempty"`
|
||||
}
|
||||
|
||||
type metadataService struct {
|
||||
interfaces Interfaces
|
||||
dns DNS
|
||||
metadata.MetadataService
|
||||
}
|
||||
|
||||
func NewDatasource(root string) *metadataService {
|
||||
return &metadataService{MetadataService: metadata.NewDatasource(root, apiVersion, userdataUrl, metadataPath)}
|
||||
}
|
||||
|
||||
func (ms *metadataService) FetchMetadata() ([]byte, error) {
|
||||
data, err := ms.FetchData(ms.MetadataUrl())
|
||||
if err != nil || len(data) == 0 {
|
||||
return []byte{}, err
|
||||
}
|
||||
|
||||
var metadata Metadata
|
||||
if err := json.Unmarshal(data, &metadata); err != nil {
|
||||
return []byte{}, err
|
||||
}
|
||||
|
||||
ms.interfaces = metadata.Interfaces
|
||||
ms.dns = metadata.DNS
|
||||
|
||||
attrs := make(map[string]interface{})
|
||||
|
||||
if len(metadata.Interfaces.Public) > 0 || len(metadata.Interfaces.Private) > 0 {
|
||||
if len(metadata.Interfaces.Public) > 0 {
|
||||
if metadata.Interfaces.Public[0].IPv4 != nil {
|
||||
attrs["public-ipv4"] = metadata.Interfaces.Public[0].IPv4.IPAddress
|
||||
}
|
||||
if metadata.Interfaces.Public[0].IPv6 != nil {
|
||||
attrs["public-ipv6"] = metadata.Interfaces.Public[0].IPv6.IPAddress
|
||||
}
|
||||
}
|
||||
if len(metadata.Interfaces.Private) > 0 {
|
||||
if metadata.Interfaces.Private[0].IPv4 != nil {
|
||||
attrs["local-ipv4"] = metadata.Interfaces.Private[0].IPv4.IPAddress
|
||||
}
|
||||
if metadata.Interfaces.Private[0].IPv6 != nil {
|
||||
attrs["local-ipv6"] = metadata.Interfaces.Private[0].IPv6.IPAddress
|
||||
}
|
||||
}
|
||||
}
|
||||
attrs["hostname"] = metadata.Hostname
|
||||
keys := make(map[string]string)
|
||||
for name, key := range metadata.PublicKeys {
|
||||
keys[name] = key
|
||||
}
|
||||
attrs["public_keys"] = keys
|
||||
|
||||
return json.Marshal(attrs)
|
||||
}
|
||||
|
||||
func (ms metadataService) FetchNetworkConfig(filename string) ([]byte, error) {
|
||||
return json.Marshal(Metadata{
|
||||
Interfaces: ms.interfaces,
|
||||
DNS: ms.dns,
|
||||
})
|
||||
}
|
||||
|
||||
func (ms metadataService) Type() string {
|
||||
return "openstack-metadata-service"
|
||||
}
|
||||
115
datasource/metadata/openstack/metadata_test.go
Normal file
115
datasource/metadata/openstack/metadata_test.go
Normal file
@@ -0,0 +1,115 @@
|
||||
/*
|
||||
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 openstack
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"fmt"
|
||||
"testing"
|
||||
|
||||
"github.com/coreos/coreos-cloudinit/datasource/metadata"
|
||||
"github.com/coreos/coreos-cloudinit/datasource/metadata/test"
|
||||
"github.com/coreos/coreos-cloudinit/pkg"
|
||||
)
|
||||
|
||||
func TestType(t *testing.T) {
|
||||
want := "openstack-metadata-service"
|
||||
if kind := (metadataService{}).Type(); kind != want {
|
||||
t.Fatalf("bad type: want %q, got %q", want, kind)
|
||||
}
|
||||
}
|
||||
|
||||
func TestFetchMetadata(t *testing.T) {
|
||||
for _, tt := range []struct {
|
||||
root string
|
||||
metadataPath string
|
||||
resources map[string]string
|
||||
expect []byte
|
||||
clientErr error
|
||||
expectErr error
|
||||
}{
|
||||
{
|
||||
root: "/",
|
||||
metadataPath: "v1.json",
|
||||
resources: map[string]string{
|
||||
"/v1.json": "bad",
|
||||
},
|
||||
expectErr: fmt.Errorf("invalid character 'b' looking for beginning of value"),
|
||||
},
|
||||
{
|
||||
root: "/",
|
||||
metadataPath: "v1.json",
|
||||
resources: map[string]string{
|
||||
"/v1.json": `{
|
||||
"droplet_id": 1,
|
||||
"user_data": "hello",
|
||||
"vendor_data": "hello",
|
||||
"public_keys": [
|
||||
"publickey1",
|
||||
"publickey2"
|
||||
],
|
||||
"region": "nyc2",
|
||||
"interfaces": {
|
||||
"public": [
|
||||
{
|
||||
"ipv4": {
|
||||
"ip_address": "192.168.1.2",
|
||||
"netmask": "255.255.255.0",
|
||||
"gateway": "192.168.1.1"
|
||||
},
|
||||
"ipv6": {
|
||||
"ip_address": "fe00::",
|
||||
"cidr": 126,
|
||||
"gateway": "fe00::"
|
||||
},
|
||||
"mac": "ab:cd:ef:gh:ij",
|
||||
"type": "public"
|
||||
}
|
||||
]
|
||||
}
|
||||
}`,
|
||||
},
|
||||
expect: []byte(`{"hostname":"","public-ipv4":"192.168.1.2","public-ipv6":"fe00::","public_keys":{"0":"publickey1","1":"publickey2"}}`),
|
||||
},
|
||||
{
|
||||
clientErr: pkg.ErrTimeout{Err: fmt.Errorf("test error")},
|
||||
expectErr: pkg.ErrTimeout{Err: fmt.Errorf("test error")},
|
||||
},
|
||||
} {
|
||||
service := &metadataService{
|
||||
MetadataService: metadata.MetadataService{
|
||||
Root: tt.root,
|
||||
Client: &test.HttpClient{Resources: tt.resources, Err: tt.clientErr},
|
||||
MetadataPath: tt.metadataPath,
|
||||
},
|
||||
}
|
||||
metadata, err := service.FetchMetadata()
|
||||
if Error(err) != Error(tt.expectErr) {
|
||||
t.Fatalf("bad error (%q): want %q, got %q", tt.resources, tt.expectErr, err)
|
||||
}
|
||||
if !bytes.Equal(metadata, tt.expect) {
|
||||
t.Fatalf("bad fetch (%q): want %q, got %q", tt.resources, tt.expect, metadata)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func Error(err error) string {
|
||||
if err != nil {
|
||||
return err.Error()
|
||||
}
|
||||
return ""
|
||||
}
|
||||
Reference in New Issue
Block a user