137 lines
3.5 KiB
Go
137 lines
3.5 KiB
Go
package iso
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"fmt"
|
|
"github.com/mitchellh/multistep"
|
|
vmwcommon "github.com/mitchellh/packer/builder/vmware/common"
|
|
"github.com/mitchellh/packer/packer"
|
|
"log"
|
|
"path/filepath"
|
|
"runtime"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
// This step shuts down the machine. It first attempts to do so gracefully,
|
|
// but ultimately forcefully shuts it down if that fails.
|
|
//
|
|
// Uses:
|
|
// communicator packer.Communicator
|
|
// config *config
|
|
// driver Driver
|
|
// ui packer.Ui
|
|
// vmx_path string
|
|
//
|
|
// Produces:
|
|
// <nothing>
|
|
type stepShutdown struct{}
|
|
|
|
func (s *stepShutdown) Run(state multistep.StateBag) multistep.StepAction {
|
|
comm := state.Get("communicator").(packer.Communicator)
|
|
config := state.Get("config").(*config)
|
|
driver := state.Get("driver").(vmwcommon.Driver)
|
|
ui := state.Get("ui").(packer.Ui)
|
|
vmxPath := state.Get("vmx_path").(string)
|
|
|
|
if config.ShutdownCommand != "" {
|
|
ui.Say("Gracefully halting virtual machine...")
|
|
log.Printf("Executing shutdown command: %s", config.ShutdownCommand)
|
|
|
|
var stdout, stderr bytes.Buffer
|
|
cmd := &packer.RemoteCmd{
|
|
Command: config.ShutdownCommand,
|
|
Stdout: &stdout,
|
|
Stderr: &stderr,
|
|
}
|
|
if err := comm.Start(cmd); err != nil {
|
|
err := fmt.Errorf("Failed to send shutdown command: %s", err)
|
|
state.Put("error", err)
|
|
ui.Error(err.Error())
|
|
return multistep.ActionHalt
|
|
}
|
|
|
|
// Wait for the command to run
|
|
cmd.Wait()
|
|
|
|
// If the command failed to run, notify the user in some way.
|
|
if cmd.ExitStatus != 0 {
|
|
state.Put("error", fmt.Errorf(
|
|
"Shutdown command has non-zero exit status.\n\nStdout: %s\n\nStderr: %s",
|
|
stdout.String(), stderr.String()))
|
|
return multistep.ActionHalt
|
|
}
|
|
|
|
log.Printf("Shutdown stdout: %s", stdout.String())
|
|
log.Printf("Shutdown stderr: %s", stderr.String())
|
|
|
|
// Wait for the machine to actually shut down
|
|
log.Printf("Waiting max %s for shutdown to complete", config.shutdownTimeout)
|
|
shutdownTimer := time.After(config.shutdownTimeout)
|
|
for {
|
|
running, _ := driver.IsRunning(vmxPath)
|
|
if !running {
|
|
break
|
|
}
|
|
|
|
select {
|
|
case <-shutdownTimer:
|
|
err := errors.New("Timeout while waiting for machine to shut down.")
|
|
state.Put("error", err)
|
|
ui.Error(err.Error())
|
|
return multistep.ActionHalt
|
|
default:
|
|
time.Sleep(1 * time.Second)
|
|
}
|
|
}
|
|
} else {
|
|
if err := driver.Stop(vmxPath); err != nil {
|
|
err := fmt.Errorf("Error stopping VM: %s", err)
|
|
state.Put("error", err)
|
|
ui.Error(err.Error())
|
|
return multistep.ActionHalt
|
|
}
|
|
}
|
|
|
|
ui.Message("Waiting for VMware to clean up after itself...")
|
|
lockPattern := filepath.Join(config.OutputDir, "*.lck")
|
|
timer := time.After(15 * time.Second)
|
|
LockWaitLoop:
|
|
for {
|
|
locks, err := filepath.Glob(lockPattern)
|
|
if err == nil {
|
|
if len(locks) == 0 {
|
|
log.Println("No more lock files found. VMware is clean.")
|
|
break
|
|
}
|
|
|
|
if len(locks) == 1 && strings.HasSuffix(locks[0], ".vmx.lck") {
|
|
log.Println("Only waiting on VMX lock. VMware is clean.")
|
|
break
|
|
}
|
|
|
|
log.Printf("Waiting on lock files: %#v", locks)
|
|
}
|
|
|
|
select {
|
|
case <-timer:
|
|
log.Println("Reached timeout on waiting for clean VMware. Assuming clean.")
|
|
break LockWaitLoop
|
|
case <-time.After(1 * time.Second):
|
|
}
|
|
}
|
|
|
|
if runtime.GOOS == "windows" {
|
|
// Windows takes a while to yield control of the files when the
|
|
// process is exiting. We just sleep here. In the future, it'd be
|
|
// nice to find a better solution to this.
|
|
time.Sleep(5 * time.Second)
|
|
}
|
|
|
|
log.Println("VM shut down.")
|
|
return multistep.ActionContinue
|
|
}
|
|
|
|
func (s *stepShutdown) Cleanup(state multistep.StateBag) {}
|