packer-cn/builder/digitalocean/step_create_droplet.go

83 lines
2.0 KiB
Go

package digitalocean
import (
"cgl.tideland.biz/identifier"
"encoding/hex"
"fmt"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
"log"
"time"
)
type stepCreateDroplet struct {
dropletId uint
}
func (s *stepCreateDroplet) Run(state multistep.StateBag) multistep.StepAction {
client := state.Get("client").(*DigitalOceanClient)
ui := state.Get("ui").(packer.Ui)
c := state.Get("config").(config)
sshKeyId := state.Get("ssh_key_id").(uint)
ui.Say("Creating droplet...")
// Some random droplet name as it's temporary
name := fmt.Sprintf("packer-%s", hex.EncodeToString(identifier.NewUUID().Raw()))
// Create the droplet based on configuration
dropletId, err := client.CreateDroplet(name, c.SizeID, c.ImageID, c.RegionID, sshKeyId)
if err != nil {
err := fmt.Errorf("Error creating droplet: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
// We use this in cleanup
s.dropletId = dropletId
// Store the droplet id for later
state.Put("droplet_id", dropletId)
return multistep.ActionContinue
}
func (s *stepCreateDroplet) Cleanup(state multistep.StateBag) {
// If the dropletid isn't there, we probably never created it
if s.dropletId == 0 {
return
}
client := state.Get("client").(*DigitalOceanClient)
ui := state.Get("ui").(packer.Ui)
c := state.Get("config").(config)
// Destroy the droplet we just created
ui.Say("Destroying droplet...")
// Sleep arbitrarily before sending destroy request
// Otherwise we get "pending event" errors, even though there isn't
// one.
log.Printf("Sleeping for %v, event_delay", c.RawEventDelay)
time.Sleep(c.eventDelay)
var err error
for i := 0; i < 5; i++ {
err = client.DestroyDroplet(s.dropletId)
if err == nil {
break
}
time.Sleep(2 * time.Second)
}
if err != nil {
curlstr := fmt.Sprintf("curl '%v/droplets/%v/destroy?client_id=%v&api_key=%v'",
DIGITALOCEAN_API_URL, s.dropletId, c.ClientID, c.APIKey)
ui.Error(fmt.Sprintf(
"Error destroying droplet. Please destroy it manually: %v", curlstr))
}
}