packer-cn/builder/digitalocean/step_create_droplet.go

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package digitalocean
import (
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"context"
"fmt"
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"io/ioutil"
"github.com/digitalocean/godo"
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"github.com/hashicorp/packer/packer"
"github.com/mitchellh/multistep"
)
type stepCreateDroplet struct {
dropletId int
}
func (s *stepCreateDroplet) Run(state multistep.StateBag) multistep.StepAction {
client := state.Get("client").(*godo.Client)
ui := state.Get("ui").(packer.Ui)
c := state.Get("config").(Config)
sshKeyId := state.Get("ssh_key_id").(int)
// Create the droplet based on configuration
ui.Say("Creating droplet...")
userData := c.UserData
if c.UserDataFile != "" {
contents, err := ioutil.ReadFile(c.UserDataFile)
if err != nil {
state.Put("error", fmt.Errorf("Problem reading user data file: %s", err))
return multistep.ActionHalt
}
userData = string(contents)
}
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droplet, _, err := client.Droplets.Create(context.TODO(), &godo.DropletCreateRequest{
Name: c.DropletName,
Region: c.Region,
Size: c.Size,
Image: godo.DropletCreateImage{
Slug: c.Image,
},
SSHKeys: []godo.DropletCreateSSHKey{
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{ID: sshKeyId},
},
PrivateNetworking: c.PrivateNetworking,
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Monitoring: c.Monitoring,
IPv6: c.IPv6,
UserData: userData,
})
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 = droplet.ID
// Store the droplet id for later
state.Put("droplet_id", droplet.ID)
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").(*godo.Client)
ui := state.Get("ui").(packer.Ui)
// Destroy the droplet we just created
ui.Say("Destroying droplet...")
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_, err := client.Droplets.Delete(context.TODO(), s.dropletId)
if err != nil {
ui.Error(fmt.Sprintf(
"Error destroying droplet. Please destroy it manually: %s", err))
}
}