59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
package googlecompute
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import (
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"errors"
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"fmt"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/common"
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"github.com/mitchellh/packer/packer"
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)
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type StepWaitInstanceStartup int
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// Run reads the instance metadata and looks for the log entry
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// indicating the startup script finished.
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func (s *StepWaitInstanceStartup) Run(state multistep.StateBag) multistep.StepAction {
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config := state.Get("config").(*Config)
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driver := state.Get("driver").(Driver)
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ui := state.Get("ui").(packer.Ui)
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instanceName := state.Get("instance_name").(string)
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ui.Say("Waiting for any running startup script to finish...")
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// Keep checking the serial port output to see if the startup script is done.
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err := common.Retry(10, 60, 0, func() (bool, error) {
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status, err := driver.GetInstanceMetadata(config.Zone,
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instanceName, StartupScriptStatusKey)
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if err != nil {
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err := fmt.Errorf("Error getting startup script status: %s", err)
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return false, err
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}
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if status == StartupScriptStatusError {
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err = errors.New("Startup script error.")
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return false, err
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}
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done := status == StartupScriptStatusDone
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if !done {
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ui.Say("Startup script not finished yet. Waiting...")
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}
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return done, nil
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})
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if err != nil {
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err := fmt.Errorf("Error waiting for startup script to finish: %s", err)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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}
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ui.Say("Startup script, if any, has finished running.")
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return multistep.ActionContinue
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}
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// Cleanup.
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func (s *StepWaitInstanceStartup) Cleanup(state multistep.StateBag) {}
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