packer-cn/builder/amazonebs/step_keypair.go

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package amazonebs
import (
"cgl.tideland.biz/identifier"
"encoding/hex"
"fmt"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
"log"
)
type stepKeyPair struct {
keyName string
}
func (s *stepKeyPair) Run(state map[string]interface{}) multistep.StepAction {
ec2conn := state["ec2"].(*ec2.EC2)
ui := state["ui"].(packer.Ui)
ui.Say("Creating temporary keypair for this instance...")
keyName := fmt.Sprintf("packer %s", hex.EncodeToString(identifier.NewUUID().Raw()))
log.Printf("temporary keypair name: %s", keyName)
keyResp, err := ec2conn.CreateKeyPair(keyName)
if err != nil {
err := fmt.Errorf("Error creating temporary keypair: %s", err)
state["error"] = err
ui.Error(err.Error())
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["keyPair"] = keyName
state["privateKey"] = keyResp.KeyMaterial
return multistep.ActionContinue
}
func (s *stepKeyPair) Cleanup(state map[string]interface{}) {
// If no key name is set, then we never created it, so just return
if s.keyName == "" {
return
}
ec2conn := state["ec2"].(*ec2.EC2)
ui := state["ui"].(packer.Ui)
ui.Say("Deleting temporary keypair...")
_, err := ec2conn.DeleteKeyPair(s.keyName)
if err != nil {
ui.Error(fmt.Sprintf(
"Error cleaning up keypair. Please delete the key manually: %s", s.keyName))
}
}