mirror of
https://github.com/rancher/os.git
synced 2025-04-27 11:10:56 +00:00
114 lines
3.3 KiB
Go
114 lines
3.3 KiB
Go
// 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 cloudstack
|
|
|
|
import (
|
|
"net"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/rancher/os/netconf"
|
|
|
|
"github.com/rancher/os/config/cloudinit/datasource"
|
|
"github.com/rancher/os/config/cloudinit/datasource/metadata"
|
|
"github.com/rancher/os/config/cloudinit/pkg"
|
|
"github.com/rancher/os/log"
|
|
)
|
|
|
|
const (
|
|
apiVersion = "latest/"
|
|
userdataPath = apiVersion + "user-data"
|
|
metadataPath = apiVersion + "meta-data/"
|
|
|
|
serverIdentifier = "dhcp_server_identifier"
|
|
)
|
|
|
|
type MetadataService struct {
|
|
metadata.Service
|
|
}
|
|
|
|
func NewDatasource(root string) []*MetadataService {
|
|
roots := make([]string, 0, 5)
|
|
|
|
if root == "" {
|
|
if links, err := netconf.GetValidLinkList(); err == nil {
|
|
log.Infof("Checking to see if a cloudstack server-identifier is available")
|
|
for _, link := range links {
|
|
linkName := link.Attrs().Name
|
|
log.Infof("searching for cloudstack server %s on %s", serverIdentifier, linkName)
|
|
lease := netconf.GetDhcpLease(linkName)
|
|
if server, ok := lease[serverIdentifier]; ok {
|
|
log.Infof("found cloudstack server '%s'", server)
|
|
server = "http://" + server + "/"
|
|
roots = append(roots, server)
|
|
}
|
|
}
|
|
} else {
|
|
log.Errorf("error getting LinkList: %s", err)
|
|
}
|
|
} else {
|
|
roots = append(roots, root)
|
|
}
|
|
|
|
sources := make([]*MetadataService, 0, len(roots))
|
|
for _, server := range roots {
|
|
datasource := metadata.NewDatasourceWithCheckPath(server, apiVersion, metadataPath, userdataPath, metadataPath, nil)
|
|
sources = append(sources, &MetadataService{datasource})
|
|
}
|
|
return sources
|
|
}
|
|
|
|
func (ms MetadataService) AvailabilityChanges() bool {
|
|
// TODO: if it can't find the network, maybe we can start it?
|
|
return false
|
|
}
|
|
|
|
func (ms MetadataService) FetchMetadata() (datasource.Metadata, error) {
|
|
metadata := datasource.Metadata{}
|
|
|
|
if sshKeys, err := ms.FetchAttributes("public-keys"); err == nil {
|
|
metadata.SSHPublicKeys = map[string]string{}
|
|
for i, sshkey := range sshKeys {
|
|
log.Printf("Found SSH key %d", i)
|
|
metadata.SSHPublicKeys[strconv.Itoa(i)] = sshkey
|
|
}
|
|
} else if _, ok := err.(pkg.ErrNotFound); !ok {
|
|
return metadata, err
|
|
}
|
|
|
|
if hostname, err := ms.FetchAttribute("local-hostname"); err == nil {
|
|
metadata.Hostname = strings.Split(hostname, " ")[0]
|
|
} else if _, ok := err.(pkg.ErrNotFound); !ok {
|
|
return metadata, err
|
|
}
|
|
|
|
if localAddr, err := ms.FetchAttribute("local-ipv4"); err == nil {
|
|
metadata.PrivateIPv4 = net.ParseIP(localAddr)
|
|
} else if _, ok := err.(pkg.ErrNotFound); !ok {
|
|
return metadata, err
|
|
}
|
|
if publicAddr, err := ms.FetchAttribute("public-ipv4"); err == nil {
|
|
metadata.PublicIPv4 = net.ParseIP(publicAddr)
|
|
} else if _, ok := err.(pkg.ErrNotFound); !ok {
|
|
return metadata, err
|
|
}
|
|
|
|
return metadata, nil
|
|
}
|
|
|
|
func (ms MetadataService) Type() string {
|
|
return "cloudstack-metadata-service"
|
|
}
|