63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package googlecompute
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import (
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"errors"
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"fmt"
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"time"
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"github.com/hashicorp/packer/packer"
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"github.com/mitchellh/multistep"
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)
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// StepCreateImage represents a Packer build step that creates GCE machine
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// images.
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type StepCreateImage int
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// Run executes the Packer build step that creates a GCE machine image.
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//
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// The image is created from the persistent disk used by the instance. The
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// instance must be deleted and the disk retained before doing this step.
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func (s *StepCreateImage) 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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if config.PackerForce && config.imageAlreadyExists {
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ui.Say("Deleting previous image...")
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errCh := driver.DeleteImage(config.ImageName)
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err := <-errCh
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if err != nil {
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err := fmt.Errorf("Error deleting image: %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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}
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ui.Say("Creating image...")
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imageCh, errCh := driver.CreateImage(
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config.ImageName, config.ImageDescription, config.ImageFamily, config.Zone,
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config.DiskName)
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var err error
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select {
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case err = <-errCh:
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case <-time.After(config.stateTimeout):
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err = errors.New("time out while waiting for image to register")
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}
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if err != nil {
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err := fmt.Errorf("Error waiting for image: %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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state.Put("image", <-imageCh)
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return multistep.ActionContinue
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}
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// Cleanup.
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func (s *StepCreateImage) Cleanup(state multistep.StateBag) {}
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