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package openstack
import (
"context"
"fmt"
"github.com/gophercloud/gophercloud/openstack/blockstorage/extensions/volumeactions"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
type StepDetachVolume struct {
UseBlockStorageVolume bool
}
func (s *StepDetachVolume) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
// Proceed only if block storage volume is used.
if !s.UseBlockStorageVolume {
return multistep.ActionContinue
}
config := state.Get("config").(*Config)
ui := state.Get("ui").(packer.Ui)
blockStorageClient, err := config.blockStorageV3Client()
if err != nil {
err = fmt.Errorf("Error initializing block storage client: %s", err)
state.Put("error", err)
return multistep.ActionHalt
}
volume := state.Get("volume_id").(string)
ui.Say(fmt.Sprintf("Detaching volume %s (volume id: %s)", config.VolumeName, volume))
if err := volumeactions.Detach(blockStorageClient, volume, volumeactions.DetachOpts{}).ExtractErr(); err != nil {
err = fmt.Errorf("Error detaching block storage volume: %s", err)
state.Put("error", err)
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))
if err := WaitForVolume(blockStorageClient, volume); err != nil {
err := fmt.Errorf("Error waiting for volume: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
return multistep.ActionContinue
}
func (s *StepDetachVolume) Cleanup(multistep.StateBag) {
// No cleanup.
}
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