134 lines
3.8 KiB
Go
134 lines
3.8 KiB
Go
package openstack
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import (
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"context"
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"fmt"
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"github.com/gophercloud/gophercloud/openstack/blockstorage/v3/volumes"
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"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
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)
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type StepCreateVolume struct {
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UseBlockStorageVolume bool
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VolumeName string
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VolumeType string
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VolumeAvailabilityZone string
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volumeID string
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doCleanup bool
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}
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func (s *StepCreateVolume) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
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// Proceed only if block storage volume is required.
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if !s.UseBlockStorageVolume {
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return multistep.ActionContinue
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}
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config := state.Get("config").(*Config)
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ui := state.Get("ui").(packer.Ui)
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sourceImage := state.Get("source_image").(string)
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// We will need Block Storage and Image services clients.
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blockStorageClient, err := config.blockStorageV3Client()
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if err != nil {
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err = fmt.Errorf("Error initializing block storage client: %s", err)
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state.Put("error", err)
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return multistep.ActionHalt
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}
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volumeSize := config.VolumeSize
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// Get needed volume size from the source image.
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if volumeSize == 0 {
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imageClient, err := config.imageV2Client()
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if err != nil {
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err = fmt.Errorf("Error initializing image client: %s", err)
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state.Put("error", err)
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return multistep.ActionHalt
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}
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volumeSize, err = GetVolumeSize(imageClient, sourceImage)
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if err != nil {
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err := fmt.Errorf("Error creating volume: %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 volume...")
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volumeOpts := volumes.CreateOpts{
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Size: volumeSize,
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VolumeType: s.VolumeType,
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AvailabilityZone: s.VolumeAvailabilityZone,
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Name: s.VolumeName,
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ImageID: sourceImage,
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}
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volume, err := volumes.Create(blockStorageClient, volumeOpts).Extract()
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if err != nil {
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err := fmt.Errorf("Error creating volume: %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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// Wait for volume to become available.
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ui.Say(fmt.Sprintf("Waiting for volume %s (volume id: %s) to become available...", config.VolumeName, volume.ID))
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if err := WaitForVolume(blockStorageClient, volume.ID); err != nil {
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err := fmt.Errorf("Error waiting for volume: %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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// Volume was created, so remember to clean it up.
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s.doCleanup = true
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// Set the Volume ID in the state.
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ui.Message(fmt.Sprintf("Volume ID: %s", volume.ID))
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state.Put("volume_id", volume.ID)
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s.volumeID = volume.ID
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return multistep.ActionContinue
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}
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func (s *StepCreateVolume) Cleanup(state multistep.StateBag) {
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if !s.doCleanup {
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return
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}
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config := state.Get("config").(*Config)
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ui := state.Get("ui").(packer.Ui)
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blockStorageClient, err := config.blockStorageV3Client()
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if err != nil {
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ui.Error(fmt.Sprintf(
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"Error cleaning up volume. Please delete the volume manually: %s", s.volumeID))
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return
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}
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// Wait for volume to become available.
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status, err := GetVolumeStatus(blockStorageClient, s.volumeID)
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if err != nil {
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ui.Error(fmt.Sprintf(
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"Error getting the volume information. Please delete the volume manually: %s", s.volumeID))
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return
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}
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if status != "available" {
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ui.Say(fmt.Sprintf(
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"Waiting for volume %s (volume id: %s) to become available...", s.VolumeName, s.volumeID))
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if err := WaitForVolume(blockStorageClient, s.volumeID); err != nil {
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ui.Error(fmt.Sprintf(
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"Error getting the volume information. Please delete the volume manually: %s", s.volumeID))
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return
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}
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}
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ui.Say(fmt.Sprintf("Deleting volume: %s ...", s.volumeID))
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err = volumes.Delete(blockStorageClient, s.volumeID, volumes.DeleteOpts{}).ExtractErr()
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if err != nil {
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ui.Error(fmt.Sprintf(
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"Error cleaning up volume. Please delete the volume manually: %s", s.volumeID))
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}
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}
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