move coreos-cloudinit into config/cloudinit

Signed-off-by: Sven Dowideit <SvenDowideit@home.org.au>

config/cloudinit/datasource/metadata/packet/metadata.go

@@ -0,0 +1,106 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package packet
+
+import (
+	"encoding/json"
+	"net"
+	"strconv"
+
+	"github.com/rancher/os/config/cloudinit/datasource"
+	"github.com/rancher/os/config/cloudinit/datasource/metadata"
+)
+
+const (
+	DefaultAddress = "https://metadata.packet.net/"
+	apiVersion     = ""
+	userdataUrl    = "userdata"
+	metadataPath   = "metadata"
+)
+
+type Netblock struct {
+	Address       net.IP `json:"address"`
+	Cidr          int    `json:"cidr"`
+	Netmask       net.IP `json:"netmask"`
+	Gateway       net.IP `json:"gateway"`
+	AddressFamily int    `json:"address_family"`
+	Public        bool   `json:"public"`
+}
+
+type Nic struct {
+	Name string `json:"name"`
+	Mac  string `json:"mac"`
+}
+
+type NetworkData struct {
+	Interfaces []Nic      `json:"interfaces"`
+	Netblocks  []Netblock `json:"addresses"`
+	DNS        []net.IP   `json:"dns"`
+}
+
+// Metadata that will be pulled from the https://metadata.packet.net/metadata only. We have the opportunity to add more later.
+type Metadata struct {
+	Hostname    string      `json:"hostname"`
+	SSHKeys     []string    `json:"ssh_keys"`
+	NetworkData NetworkData `json:"network"`
+}
+
+type metadataService struct {
+	metadata.MetadataService
+}
+
+func NewDatasource(root string) *metadataService {
+	return &metadataService{MetadataService: metadata.NewDatasource(root, apiVersion, userdataUrl, metadataPath, nil)}
+}
+
+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.NetworkData.Netblocks) > 0 {
+		for _, Netblock := range m.NetworkData.Netblocks {
+			if Netblock.AddressFamily == 4 {
+				if Netblock.Public == true {
+					metadata.PublicIPv4 = Netblock.Address
+				} else {
+					metadata.PrivateIPv4 = Netblock.Address
+				}
+			} else {
+				metadata.PublicIPv6 = Netblock.Address
+			}
+		}
+	}
+	metadata.Hostname = m.Hostname
+	metadata.SSHPublicKeys = map[string]string{}
+	for i, key := range m.SSHKeys {
+		metadata.SSHPublicKeys[strconv.Itoa(i)] = key
+	}
+
+	metadata.NetworkConfig = m.NetworkData
+
+	return
+}
+
+func (ms metadataService) Type() string {
+	return "packet-metadata-service"
+}