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package openstack
import (
"crypto/rsa"
"fmt"
"log"
"time"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/helper/communicator"
"github.com/mitchellh/packer/packer"
"github.com/rackspace/gophercloud/openstack/compute/v2/servers"
"golang.org/x/crypto/ssh"
)
// StepGetPassword reads the password from a booted OpenStack server and sets
// it on the WinRM config.
type StepGetPassword struct {
Debug bool
Comm *communicator.Config
}
func (s *StepGetPassword) Run(state multistep.StateBag) multistep.StepAction {
config := state.Get("config").(Config)
ui := state.Get("ui").(packer.Ui)
// Skip if we're not using winrm
if s.Comm.Type != "winrm" {
log.Printf("[INFO] Not using winrm communicator, skipping get password...")
return multistep.ActionContinue
}
// If we already have a password, skip it
if s.Comm.WinRMPassword != "" {
ui.Say("Skipping waiting for password since WinRM password set...")
return multistep.ActionContinue
}
// 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
}
ui.Say("Waiting for password since WinRM password is not set...")
server := state.Get("server").(*servers.Server)
var password string
privateKey, err := ssh.ParseRawPrivateKey([]byte(state.Get("privateKey").(string)))
if err != nil {
err = fmt.Errorf("Error parsing private key: %s", err)
state.Put("error", err)
return multistep.ActionHalt
}
for ; password == "" && err == nil; password, err = servers.GetPassword(computeClient, server.ID).ExtractPassword(privateKey.(*rsa.PrivateKey)) {
// Check for an interrupt in between attempts.
if _, ok := state.GetOk(multistep.StateCancelled); ok {
return multistep.ActionHalt
}
log.Printf("Retrying to get a administrator password evry 5 seconds.")
time.Sleep(5 * time.Second)
}
ui.Message(fmt.Sprintf("Password retrieved!"))
s.Comm.WinRMPassword = password
// In debug-mode, we output the password
if s.Debug {
ui.Message(fmt.Sprintf(
"Password (since debug is enabled) \"%s\"", s.Comm.WinRMPassword))
}
return multistep.ActionContinue
}
func (s *StepGetPassword) Cleanup(multistep.StateBag) {}
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