github.phpd.cn/hashicorp/packer@v1.3.2/builder/openstack/step_get_password.go (about)

     1  package openstack
     2  
     3  import (
     4  	"context"
     5  	"crypto/rsa"
     6  	"fmt"
     7  	"log"
     8  	"time"
     9  
    10  	"github.com/gophercloud/gophercloud/openstack/compute/v2/servers"
    11  	"github.com/hashicorp/packer/helper/communicator"
    12  	"github.com/hashicorp/packer/helper/multistep"
    13  	"github.com/hashicorp/packer/packer"
    14  	"golang.org/x/crypto/ssh"
    15  )
    16  
    17  // StepGetPassword reads the password from a booted OpenStack server and sets
    18  // it on the WinRM config.
    19  type StepGetPassword struct {
    20  	Debug bool
    21  	Comm  *communicator.Config
    22  }
    23  
    24  func (s *StepGetPassword) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
    25  	config := state.Get("config").(*Config)
    26  	ui := state.Get("ui").(packer.Ui)
    27  
    28  	// Skip if we're not using winrm
    29  	if s.Comm.Type != "winrm" {
    30  		log.Printf("[INFO] Not using winrm communicator, skipping get password...")
    31  		return multistep.ActionContinue
    32  	}
    33  
    34  	// If we already have a password, skip it
    35  	if s.Comm.WinRMPassword != "" {
    36  		ui.Say("Skipping waiting for password since WinRM password set...")
    37  		return multistep.ActionContinue
    38  	}
    39  
    40  	// We need the v2 compute client
    41  	computeClient, err := config.computeV2Client()
    42  	if err != nil {
    43  		err = fmt.Errorf("Error initializing compute client: %s", err)
    44  		state.Put("error", err)
    45  		return multistep.ActionHalt
    46  	}
    47  
    48  	ui.Say("Waiting for password since WinRM password is not set...")
    49  	server := state.Get("server").(*servers.Server)
    50  	var password string
    51  
    52  	privateKey, err := ssh.ParseRawPrivateKey(s.Comm.SSHPrivateKey)
    53  	if err != nil {
    54  		err = fmt.Errorf("Error parsing private key: %s", err)
    55  		state.Put("error", err)
    56  		return multistep.ActionHalt
    57  	}
    58  
    59  	for ; password == "" && err == nil; password, err = servers.GetPassword(computeClient, server.ID).ExtractPassword(privateKey.(*rsa.PrivateKey)) {
    60  
    61  		// Check for an interrupt in between attempts.
    62  		if _, ok := state.GetOk(multistep.StateCancelled); ok {
    63  			return multistep.ActionHalt
    64  		}
    65  
    66  		log.Printf("Retrying to get a administrator password evry 5 seconds.")
    67  		time.Sleep(5 * time.Second)
    68  	}
    69  
    70  	ui.Message(fmt.Sprintf("Password retrieved!"))
    71  	s.Comm.WinRMPassword = password
    72  
    73  	// In debug-mode, we output the password
    74  	if s.Debug {
    75  		ui.Message(fmt.Sprintf(
    76  			"Password (since debug is enabled) \"%s\"", s.Comm.WinRMPassword))
    77  	}
    78  
    79  	return multistep.ActionContinue
    80  }
    81  
    82  func (s *StepGetPassword) Cleanup(multistep.StateBag) {}