packer-cn/builder/digitalocean/step_power_off.go

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package digitalocean
import (
"fmt"
"log"
"time"
"github.com/digitalocean/godo"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
)
type stepPowerOff struct{}
func (s *stepPowerOff) Run(state multistep.StateBag) multistep.StepAction {
client := state.Get("client").(*godo.Client)
c := state.Get("config").(Config)
ui := state.Get("ui").(packer.Ui)
dropletId := state.Get("droplet_id").(int)
droplet, _, err := client.Droplets.Get(dropletId)
if err != nil {
err := fmt.Errorf("Error checking droplet state: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
if droplet.Status == "off" {
// Droplet is already off, don't do anything
return multistep.ActionContinue
}
// Pull the plug on the Droplet
ui.Say("Forcefully shutting down Droplet...")
_, _, err = client.DropletActions.PowerOff(dropletId)
if err != nil {
err := fmt.Errorf("Error powering off droplet: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
log.Println("Waiting for poweroff event to complete...")
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err = waitForDropletState("off", dropletId, client, c.StateTimeout)
if err != nil {
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
// Wait for the droplet to become unlocked for future steps
if err := waitForDropletUnlocked(client, dropletId, 2*time.Minute); err != nil {
// If we get an error the first time, actually report it
err := fmt.Errorf("Error powering off droplet: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
return multistep.ActionContinue
}
func (s *stepPowerOff) Cleanup(state multistep.StateBag) {
// no cleanup
}