github.phpd.cn/hashicorp/packer@v1.3.2/builder/openstack/step_detach_volume.go (about)

     1  package openstack
     2  
     3  import (
     4  	"context"
     5  	"fmt"
     6  
     7  	"github.com/gophercloud/gophercloud/openstack/blockstorage/extensions/volumeactions"
     8  	"github.com/hashicorp/packer/helper/multistep"
     9  	"github.com/hashicorp/packer/packer"
    10  )
    11  
    12  type StepDetachVolume struct {
    13  	UseBlockStorageVolume bool
    14  }
    15  
    16  func (s *StepDetachVolume) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
    17  	// Proceed only if block storage volume is used.
    18  	if !s.UseBlockStorageVolume {
    19  		return multistep.ActionContinue
    20  	}
    21  
    22  	config := state.Get("config").(*Config)
    23  	ui := state.Get("ui").(packer.Ui)
    24  
    25  	blockStorageClient, err := config.blockStorageV3Client()
    26  	if err != nil {
    27  		err = fmt.Errorf("Error initializing block storage client: %s", err)
    28  		state.Put("error", err)
    29  		return multistep.ActionHalt
    30  	}
    31  
    32  	volume := state.Get("volume_id").(string)
    33  	ui.Say(fmt.Sprintf("Detaching volume %s (volume id: %s)", config.VolumeName, volume))
    34  	if err := volumeactions.Detach(blockStorageClient, volume, volumeactions.DetachOpts{}).ExtractErr(); err != nil {
    35  		err = fmt.Errorf("Error detaching block storage volume: %s", err)
    36  		state.Put("error", err)
    37  		return multistep.ActionHalt
    38  	}
    39  
    40  	// Wait for volume to become available.
    41  	ui.Say(fmt.Sprintf("Waiting for volume %s (volume id: %s) to become available...", config.VolumeName, volume))
    42  	if err := WaitForVolume(blockStorageClient, volume); err != nil {
    43  		err := fmt.Errorf("Error waiting for volume: %s", err)
    44  		state.Put("error", err)
    45  		ui.Error(err.Error())
    46  		return multistep.ActionHalt
    47  	}
    48  
    49  	return multistep.ActionContinue
    50  }
    51  
    52  func (s *StepDetachVolume) Cleanup(multistep.StateBag) {
    53  	// No cleanup.
    54  }