packer-cn/builder/vsphere/common/step_shutdown.go

82 lines
1.9 KiB
Go

//go:generate struct-markdown
//go:generate mapstructure-to-hcl2 -type ShutdownConfig
package common
import (
"bytes"
"context"
"fmt"
"log"
"time"
"github.com/hashicorp/packer/builder/vsphere/driver"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
type ShutdownConfig struct {
// Specify a VM guest shutdown command. VMware guest tools are used by
// default.
Command string `mapstructure:"shutdown_command"`
// Amount of time to wait for graceful VM shutdown. Examples 45s and 10m.
// Defaults to 5m(5 minutes).
Timeout time.Duration `mapstructure:"shutdown_timeout"`
}
func (c *ShutdownConfig) Prepare() []error {
var errs []error
if c.Timeout == 0 {
c.Timeout = 5 * time.Minute
}
return errs
}
type StepShutdown struct {
Config *ShutdownConfig
}
func (s *StepShutdown) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
ui := state.Get("ui").(packer.Ui)
comm := state.Get("communicator").(packer.Communicator)
vm := state.Get("vm").(*driver.VirtualMachine)
if s.Config.Command != "" {
ui.Say("Executing shutdown command...")
log.Printf("Shutdown command: %s", s.Config.Command)
var stdout, stderr bytes.Buffer
cmd := &packer.RemoteCmd{
Command: s.Config.Command,
Stdout: &stdout,
Stderr: &stderr,
}
err := comm.Start(ctx, cmd)
if err != nil {
state.Put("error", fmt.Errorf("Failed to send shutdown command: %s", err))
return multistep.ActionHalt
}
} else {
ui.Say("Shut down VM...")
err := vm.StartShutdown()
if err != nil {
state.Put("error", fmt.Errorf("Cannot shut down VM: %v", err))
return multistep.ActionHalt
}
}
log.Printf("Waiting max %s for shutdown to complete", s.Config.Timeout)
err := vm.WaitForShutdown(ctx, s.Config.Timeout)
if err != nil {
state.Put("error", err)
return multistep.ActionHalt
}
return multistep.ActionContinue
}
func (s *StepShutdown) Cleanup(state multistep.StateBag) {}