107 lines
2.7 KiB
Go
107 lines
2.7 KiB
Go
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// Copyright 2015 CoreOS, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package packet
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import (
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"encoding/json"
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"net"
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"strconv"
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"github.com/coreos/coreos-cloudinit/datasource"
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"github.com/coreos/coreos-cloudinit/datasource/metadata"
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)
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const (
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DefaultAddress = "https://metadata.packet.net/"
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apiVersion = ""
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userdataUrl = "userdata"
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metadataPath = "metadata"
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)
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type Netblock struct {
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Address net.IP `json:"address"`
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Cidr int `json:"cidr"`
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Netmask net.IP `json:"netmask"`
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Gateway net.IP `json:"gateway"`
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AddressFamily int `json:"address_family"`
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Public bool `json:"public"`
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}
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type Nic struct {
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Name string `json:"name"`
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Mac string `json:"mac"`
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}
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type NetworkData struct {
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Interfaces []Nic `json:"interfaces"`
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Netblocks []Netblock `json:"addresses"`
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DNS []net.IP `json:"dns"`
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}
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// Metadata that will be pulled from the https://metadata.packet.net/metadata only. We have the opportunity to add more later.
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type Metadata struct {
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Hostname string `json:"hostname"`
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SSHKeys []string `json:"ssh_keys"`
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NetworkData NetworkData `json:"network"`
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}
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type metadataService struct {
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metadata.MetadataService
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}
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func NewDatasource(root string) *metadataService {
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return &metadataService{MetadataService: metadata.NewDatasource(root, apiVersion, userdataUrl, metadataPath)}
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}
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func (ms *metadataService) FetchMetadata() (metadata datasource.Metadata, err error) {
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var data []byte
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var m Metadata
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if data, err = ms.FetchData(ms.MetadataUrl()); err != nil || len(data) == 0 {
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return
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}
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if err = json.Unmarshal(data, &m); err != nil {
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return
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}
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if len(m.NetworkData.Netblocks) > 0 {
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for _, Netblock := range m.NetworkData.Netblocks {
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if Netblock.AddressFamily == 4 {
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if Netblock.Public == true {
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metadata.PublicIPv4 = Netblock.Address
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} else {
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metadata.PrivateIPv4 = Netblock.Address
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}
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} else {
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metadata.PublicIPv6 = Netblock.Address
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}
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}
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}
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metadata.Hostname = m.Hostname
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metadata.SSHPublicKeys = map[string]string{}
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for i, key := range m.SSHKeys {
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metadata.SSHPublicKeys[strconv.Itoa(i)] = key
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}
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metadata.NetworkConfig, err = json.Marshal(m.NetworkData)
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return
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}
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func (ms metadataService) Type() string {
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return "packet-metadata-service"
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}
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