packer-cn/builder/openstack/step_key_pair.go

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package openstack
import (
"cgl.tideland.biz/identifier"
"encoding/hex"
"fmt"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
"github.com/rackspace/gophercloud"
"log"
)
type StepKeyPair struct {
keyName string
}
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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", hex.EncodeToString(identifier.NewUUID().Raw()))
log.Printf("temporary keypair name: %s", keyName)
keyResp, err := csp.CreateKeyPair(gophercloud.NewKeyPair{Name: keyName})
if err != nil {
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state.Put("error", fmt.Errorf("Error creating temporary keypair: %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
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state.Put("keyPair", keyName)
state.Put("privateKey", keyResp.PrivateKey)
return multistep.ActionContinue
}
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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
}
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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))
}
}