cloudinit/datasource/metadata/openstack/metadata.go
Vasiliy Tolstov b8521294cd merge do
Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
2015-03-26 10:43:37 +03:00

114 lines
2.9 KiB
Go

/*
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"
"net"
"strconv"
"github.com/coreos/coreos-cloudinit/datasource"
"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"`
PublicKeys []string `json:"public_keys"`
DNS DNS `json:"dns"`
}
type metadataService struct {
metadata.MetadataService
}
func NewDatasource(root string) *metadataService {
return &metadataService{MetadataService: metadata.NewDatasource(root, apiVersion, userdataUrl, metadataPath)}
}
func (ms *metadataService) FetchMetadata() (metadata datasource.Metadata, err error) {
var data []byte
var m Metadata
if data, err = ms.FetchData(ms.MetadataUrl()); err != nil || len(data) == 0 {
return
}
if err = json.Unmarshal(data, &m); err != nil {
return
}
if len(m.Interfaces.Public) > 0 {
if m.Interfaces.Public[0].IPv4 != nil {
metadata.PublicIPv4 = net.ParseIP(m.Interfaces.Public[0].IPv4.IPAddress)
}
if m.Interfaces.Public[0].IPv6 != nil {
metadata.PublicIPv6 = net.ParseIP(m.Interfaces.Public[0].IPv6.IPAddress)
}
}
if len(m.Interfaces.Private) > 0 {
if m.Interfaces.Private[0].IPv4 != nil {
metadata.PrivateIPv4 = net.ParseIP(m.Interfaces.Private[0].IPv4.IPAddress)
}
if m.Interfaces.Private[0].IPv6 != nil {
metadata.PrivateIPv6 = net.ParseIP(m.Interfaces.Private[0].IPv6.IPAddress)
}
}
metadata.Hostname = m.Hostname
metadata.SSHPublicKeys = map[string]string{}
for i, key := range m.PublicKeys {
metadata.SSHPublicKeys[strconv.Itoa(i)] = key
}
metadata.NetworkConfig = data
return
}
func (ms metadataService) Type() string {
return "openstack-metadata-service"
}