packer-cn/builder/openstack/step_create_volume.go

129 lines
3.7 KiB
Go

package openstack
import (
"context"
"fmt"
"github.com/gophercloud/gophercloud/openstack/blockstorage/v3/volumes"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
type StepCreateVolume struct {
UseBlockStorageVolume bool
VolumeName string
VolumeType string
VolumeAvailabilityZone string
volumeID string
doCleanup bool
}
func (s *StepCreateVolume) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
// Proceed only if block storage volume is required.
if !s.UseBlockStorageVolume {
return multistep.ActionContinue
}
config := state.Get("config").(*Config)
ui := state.Get("ui").(packer.Ui)
sourceImage := state.Get("source_image").(string)
// We will need Block Storage and Image services clients.
blockStorageClient, err := config.blockStorageV3Client()
if err != nil {
err = fmt.Errorf("Error initializing block storage client: %s", err)
state.Put("error", err)
return multistep.ActionHalt
}
imageClient, err := config.imageV2Client()
if err != nil {
err = fmt.Errorf("Error initializing image client: %s", err)
state.Put("error", err)
return multistep.ActionHalt
}
// Get needed volume size from the source image.
volumeSize, err := GetVolumeSize(imageClient, sourceImage)
if err != nil {
err := fmt.Errorf("Error creating volume: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
ui.Say("Creating volume...")
volumeOpts := volumes.CreateOpts{
Size: volumeSize,
VolumeType: s.VolumeType,
AvailabilityZone: s.VolumeAvailabilityZone,
Name: s.VolumeName,
ImageID: sourceImage,
}
volume, err := volumes.Create(blockStorageClient, volumeOpts).Extract()
if err != nil {
err := fmt.Errorf("Error creating volume: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
// Wait for volume to become available.
ui.Say(fmt.Sprintf("Waiting for volume %s (volume id: %s) to become available...", config.VolumeName, volume.ID))
if err := WaitForVolume(blockStorageClient, volume.ID); err != nil {
err := fmt.Errorf("Error waiting for volume: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
// Volume was created, so remember to clean it up.
s.doCleanup = true
// Set the Volume ID in the state.
ui.Message(fmt.Sprintf("Volume ID: %s", volume.ID))
state.Put("volume_id", volume.ID)
s.volumeID = volume.ID
return multistep.ActionContinue
}
func (s *StepCreateVolume) Cleanup(state multistep.StateBag) {
if !s.doCleanup {
return
}
config := state.Get("config").(*Config)
ui := state.Get("ui").(packer.Ui)
blockStorageClient, err := config.blockStorageV3Client()
if err != nil {
ui.Error(fmt.Sprintf(
"Error cleaning up volume. Please delete the volume manually: %s", s.volumeID))
return
}
// Wait for volume to become available.
status, err := GetVolumeStatus(blockStorageClient, s.volumeID)
if err != nil {
ui.Error(fmt.Sprintf(
"Error getting the volume information. Please delete the volume manually: %s", s.volumeID))
return
}
if status != "available" {
ui.Say(fmt.Sprintf(
"Waiting for volume %s (volume id: %s) to become available...", s.VolumeName, s.volumeID))
if err := WaitForVolume(blockStorageClient, s.volumeID); err != nil {
ui.Error(fmt.Sprintf(
"Error getting the volume information. Please delete the volume manually: %s", s.volumeID))
return
}
}
ui.Say(fmt.Sprintf("Deleting volume: %s ...", s.volumeID))
err = volumes.Delete(blockStorageClient, s.volumeID).ExtractErr()
if err != nil {
ui.Error(fmt.Sprintf(
"Error cleaning up volume. Please delete the volume manually: %s", s.volumeID))
}
}