70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
package googlecompute
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/hashicorp/packer/common/retry"
|
|
"github.com/hashicorp/packer/helper/multistep"
|
|
"github.com/hashicorp/packer/packer"
|
|
)
|
|
|
|
type StepWaitStartupScript int
|
|
|
|
// Run reads the instance metadata and looks for the log entry
|
|
// indicating the startup script finished.
|
|
func (s *StepWaitStartupScript) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
|
|
config := state.Get("config").(*Config)
|
|
driver := state.Get("driver").(Driver)
|
|
ui := state.Get("ui").(packer.Ui)
|
|
instanceName := state.Get("instance_name").(string)
|
|
|
|
if config.WrapStartupScriptFile.False() {
|
|
return multistep.ActionContinue
|
|
}
|
|
|
|
ui.Say("Waiting for any running startup script to finish...")
|
|
// Keep checking the serial port output to see if the startup script is done.
|
|
err := retry.Config{
|
|
ShouldRetry: func(error) bool {
|
|
return true
|
|
},
|
|
RetryDelay: (&retry.Backoff{InitialBackoff: 10 * time.Second, MaxBackoff: 60 * time.Second, Multiplier: 2}).Linear,
|
|
}.Run(ctx, func(ctx context.Context) error {
|
|
status, err := driver.GetInstanceMetadata(config.Zone,
|
|
instanceName, StartupScriptStatusKey)
|
|
|
|
if err != nil {
|
|
err := fmt.Errorf("Error getting startup script status: %s", err)
|
|
return err
|
|
}
|
|
|
|
if status == StartupScriptStatusError {
|
|
err = errors.New("Startup script error.")
|
|
return err
|
|
}
|
|
|
|
done := status == StartupScriptStatusDone
|
|
if !done {
|
|
ui.Say("Startup script not finished yet. Waiting...")
|
|
return errors.New("Startup script not done.")
|
|
}
|
|
|
|
return nil
|
|
})
|
|
|
|
if err != nil {
|
|
err := fmt.Errorf("Error waiting for startup script to finish: %s", err)
|
|
state.Put("error", err)
|
|
ui.Error(err.Error())
|
|
return multistep.ActionHalt
|
|
}
|
|
ui.Say("Startup script, if any, has finished running.")
|
|
return multistep.ActionContinue
|
|
}
|
|
|
|
// Cleanup.
|
|
func (s *StepWaitStartupScript) Cleanup(state multistep.StateBag) {}
|