packer-cn/builder/openstack/step_key_pair.go

90 lines
2.4 KiB
Go

package openstack
import (
"fmt"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/common/uuid"
"github.com/mitchellh/packer/packer"
"log"
"os"
"runtime"
"github.com/mitchellh/gophercloud-fork-40444fb"
)
type StepKeyPair struct {
Debug bool
DebugKeyPath string
keyName string
}
func (s *StepKeyPair) Run(state multistep.StateBag) multistep.StepAction {
csp := state.Get("csp").(gophercloud.CloudServersProvider)
ui := state.Get("ui").(packer.Ui)
ui.Say("Creating temporary keypair for this instance...")
keyName := fmt.Sprintf("packer %s", uuid.TimeOrderedUUID())
log.Printf("temporary keypair name: %s", keyName)
keyResp, err := csp.CreateKeyPair(gophercloud.NewKeyPair{Name: keyName})
if err != nil {
state.Put("error", fmt.Errorf("Error creating temporary keypair: %s", err))
return multistep.ActionHalt
}
if keyResp.PrivateKey == "" {
state.Put("error", fmt.Errorf("The temporary keypair returned was blank"))
return multistep.ActionHalt
}
// If we're in debug mode, output the private key to the working
// directory.
if s.Debug {
ui.Message(fmt.Sprintf("Saving key for debug purposes: %s", s.DebugKeyPath))
f, err := os.Create(s.DebugKeyPath)
if err != nil {
state.Put("error", fmt.Errorf("Error saving debug key: %s", err))
return multistep.ActionHalt
}
defer f.Close()
// Write the key out
if _, err := f.Write([]byte(keyResp.PrivateKey)); err != nil {
state.Put("error", fmt.Errorf("Error saving debug key: %s", err))
return multistep.ActionHalt
}
// Chmod it so that it is SSH ready
if runtime.GOOS != "windows" {
if err := f.Chmod(0600); err != nil {
state.Put("error", fmt.Errorf("Error setting permissions of debug key: %s", err))
return multistep.ActionHalt
}
}
}
// Set the keyname so we know to delete it later
s.keyName = keyName
// Set some state data for use in future steps
state.Put("keyPair", keyName)
state.Put("privateKey", keyResp.PrivateKey)
return multistep.ActionContinue
}
func (s *StepKeyPair) Cleanup(state multistep.StateBag) {
// If no key name is set, then we never created it, so just return
if s.keyName == "" {
return
}
csp := state.Get("csp").(gophercloud.CloudServersProvider)
ui := state.Get("ui").(packer.Ui)
ui.Say("Deleting temporary keypair...")
err := csp.DeleteKeyPair(s.keyName)
if err != nil {
ui.Error(fmt.Sprintf(
"Error cleaning up keypair. Please delete the key manually: %s", s.keyName))
}
}