53 lines
1.5 KiB
Go
53 lines
1.5 KiB
Go
package googlecompute
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import (
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"fmt"
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/packer"
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)
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// StepUpdateGsutil represents a Packer build step that updates the gsutil
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// utility to the latest version available.
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type StepUpdateGsutil int
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// Run executes the Packer build step that updates the gsutil utility to the
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// latest version available.
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//
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// This step is required to prevent the image creation process from hanging;
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// the image creation process utilizes the gcimagebundle cli tool which will
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// prompt to update gsutil if a newer version is available.
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func (s *StepUpdateGsutil) Run(state multistep.StateBag) multistep.StepAction {
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comm := state.Get("communicator").(packer.Communicator)
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config := state.Get("config").(*Config)
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ui := state.Get("ui").(packer.Ui)
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sudoPrefix := ""
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if config.SSHUsername != "root" {
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sudoPrefix = "sudo "
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}
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gsutilUpdateCmd := "/usr/local/bin/gsutil update -n -f"
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cmd := new(packer.RemoteCmd)
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cmd.Command = fmt.Sprintf("%s%s", sudoPrefix, gsutilUpdateCmd)
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ui.Say("Updating gsutil...")
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err := cmd.StartWithUi(comm, ui)
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if err == nil && cmd.ExitStatus != 0 {
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err = fmt.Errorf(
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"gsutil update exited with non-zero exit status: %d", cmd.ExitStatus)
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}
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if err != nil {
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err := fmt.Errorf("Error updating gsutil: %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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return multistep.ActionContinue
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}
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// Cleanup.
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func (s *StepUpdateGsutil) Cleanup(state multistep.StateBag) {}
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