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package openstack
import (
"fmt"
"io/ioutil"
"log"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
"github.com/rackspace/gophercloud/openstack/compute/v2/extensions/keypairs"
"github.com/rackspace/gophercloud/openstack/compute/v2/servers"
)
type StepRunSourceServer struct {
Name string
SourceImage string
SourceImageName string
SecurityGroups []string
Networks []string
AvailabilityZone string
UserData string
UserDataFile string
ConfigDrive bool
server *servers.Server
}
func (s *StepRunSourceServer) Run(state multistep.StateBag) multistep.StepAction {
config := state.Get("config").(Config)
flavor := state.Get("flavor_id").(string)
keyName := state.Get("keyPair").(string)
ui := state.Get("ui").(packer.Ui)
// We need the v2 compute client
computeClient, err := config.computeV2Client()
if err != nil {
err = fmt.Errorf("Error initializing compute client: %s", err)
state.Put("error", err)
return multistep.ActionHalt
}
networks := make([]servers.Network, len(s.Networks))
for i, networkUuid := range s.Networks {
networks[i].UUID = networkUuid
}
userData := []byte(s.UserData)
if s.UserDataFile != "" {
userData, err = ioutil.ReadFile(s.UserDataFile)
if err != nil {
err = fmt.Errorf("Error reading user data file: %s", err)
state.Put("error", err)
return multistep.ActionHalt
}
}
ui.Say("Launching server...")
s.server, err = servers.Create(computeClient, keypairs.CreateOptsExt{
CreateOptsBuilder: servers.CreateOpts{
Name: s.Name,
ImageRef: s.SourceImage,
ImageName: s.SourceImageName,
FlavorRef: flavor,
SecurityGroups: s.SecurityGroups,
Networks: networks,
AvailabilityZone: s.AvailabilityZone,
UserData: userData,
ConfigDrive: s.ConfigDrive,
},
KeyName: keyName,
}).Extract()
if err != nil {
err := fmt.Errorf("Error launching source server: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
ui.Message(fmt.Sprintf("Server ID: %s", s.server.ID))
log.Printf("server id: %s", s.server.ID)
ui.Say("Waiting for server to become ready...")
stateChange := StateChangeConf{
Pending: []string{"BUILD"},
Target: []string{"ACTIVE"},
Refresh: ServerStateRefreshFunc(computeClient, s.server),
StepState: state,
}
latestServer, err := WaitForState(&stateChange)
if err != nil {
err := fmt.Errorf("Error waiting for server (%s) to become ready: %s", s.server.ID, err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
s.server = latestServer.(*servers.Server)
state.Put("server", s.server)
return multistep.ActionContinue
}
func (s *StepRunSourceServer) Cleanup(state multistep.StateBag) {
if s.server == nil {
return
}
config := state.Get("config").(Config)
ui := state.Get("ui").(packer.Ui)
// We need the v2 compute client
computeClient, err := config.computeV2Client()
if err != nil {
ui.Error(fmt.Sprintf("Error terminating server, may still be around: %s", err))
return
}
ui.Say(fmt.Sprintf("Terminating the source server: %s ...", s.server.ID))
if err := servers.Delete(computeClient, s.server.ID).ExtractErr(); err != nil {
ui.Error(fmt.Sprintf("Error terminating server, may still be around: %s", err))
return
}
stateChange := StateChangeConf{
Pending: []string{"ACTIVE", "BUILD", "REBUILD", "SUSPENDED", "SHUTOFF", "STOPPED"},
Refresh: ServerStateRefreshFunc(computeClient, s.server),
Target: []string{"DELETED"},
}
WaitForState(&stateChange)
}
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