func resourceBlockStorageVolumeV1Read(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	blockStorageClient, err := config.blockStorageV1Client(d.Get("region").(string))
	if err != nil {
		return fmt.Errorf("Error creating OpenStack block storage client: %s", err)
	}

	v, err := volumes.Get(blockStorageClient, d.Id()).Extract()
	if err != nil {
		return CheckDeleted(d, err, "volume")
	}

	log.Printf("[DEBUG] Retrieved volume %s: %+v", d.Id(), v)

	d.Set("size", v.Size)
	d.Set("description", v.Description)
	d.Set("availability_zone", v.AvailabilityZone)
	d.Set("name", v.Name)
	d.Set("snapshot_id", v.SnapshotID)
	d.Set("source_vol_id", v.SourceVolID)
	d.Set("volume_type", v.VolumeType)
	d.Set("metadata", v.Metadata)

	attachments := make([]map[string]interface{}, len(v.Attachments))
	for i, attachment := range v.Attachments {
		attachments[i] = make(map[string]interface{})
		attachments[i]["id"] = attachment["id"]
		attachments[i]["instance_id"] = attachment["server_id"]
		attachments[i]["device"] = attachment["device"]
		log.Printf("[DEBUG] attachment: %v", attachment)
	}
	d.Set("attachment", attachments)

	return nil
}
func testAccCheckBlockStorageV1VolumeExists(n string, volume *volumes.Volume) resource.TestCheckFunc {
	return func(s *terraform.State) error {
		rs, ok := s.RootModule().Resources[n]
		if !ok {
			return fmt.Errorf("Not found: %s", n)
		}

		if rs.Primary.ID == "" {
			return fmt.Errorf("No ID is set")
		}

		config := testAccProvider.Meta().(*Config)
		blockStorageClient, err := config.blockStorageV1Client(OS_REGION_NAME)
		if err != nil {
			return fmt.Errorf("Error creating OpenStack block storage client: %s", err)
		}

		found, err := volumes.Get(blockStorageClient, rs.Primary.ID).Extract()
		if err != nil {
			return err
		}

		if found.ID != rs.Primary.ID {
			return fmt.Errorf("Volume not found")
		}

		*volume = *found

		return nil
	}
}
// VolumeV1StateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
// an OpenStack volume.
func VolumeV1StateRefreshFunc(client *gophercloud.ServiceClient, volumeID string) resource.StateRefreshFunc {
	return func() (interface{}, string, error) {
		v, err := volumes.Get(client, volumeID).Extract()
		if err != nil {
			if _, ok := err.(gophercloud.ErrDefault404); ok {
				return v, "deleted", nil
			}
			return nil, "", err
		}

		return v, v.Status, nil
	}
}
func TestVolumesCreateDestroy(t *testing.T) {
	client, err := clients.NewBlockStorageV1Client()
	if err != nil {
		t.Fatalf("Unable to create blockstorage client: %v", err)
	}

	volume, err := CreateVolume(t, client)
	if err != nil {
		t.Fatalf("Unable to create volume: %v", err)
	}
	defer DeleteVolume(t, client, volume)

	newVolume, err := volumes.Get(client, volume.ID).Extract()
	if err != nil {
		t.Errorf("Unable to retrieve volume: %v", err)
	}

	PrintVolume(t, newVolume)
}
// VolumeV1StateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
// an OpenStack volume.
func VolumeV1StateRefreshFunc(client *gophercloud.ServiceClient, volumeID string) resource.StateRefreshFunc {
	return func() (interface{}, string, error) {
		v, err := volumes.Get(client, volumeID).Extract()
		if err != nil {
			if _, ok := err.(gophercloud.ErrDefault404); ok {
				return v, "deleted", nil
			}
			return nil, "", err
		}

		if v.Status == "error" {
			return v, v.Status, fmt.Errorf("There was an error creating the volume. " +
				"Please check with your cloud admin or check the Block Storage " +
				"API logs to see why this error occurred.")
		}

		return v, v.Status, nil
	}
}
func testAccCheckBlockStorageV1VolumeDestroy(s *terraform.State) error {
	config := testAccProvider.Meta().(*Config)
	blockStorageClient, err := config.blockStorageV1Client(OS_REGION_NAME)
	if err != nil {
		return fmt.Errorf("Error creating OpenStack block storage client: %s", err)
	}

	for _, rs := range s.RootModule().Resources {
		if rs.Type != "openstack_blockstorage_volume_v1" {
			continue
		}

		_, err := volumes.Get(blockStorageClient, rs.Primary.ID).Extract()
		if err == nil {
			return fmt.Errorf("Volume still exists")
		}
	}

	return nil
}
func testAccCheckBlockStorageV1VolumeDoesNotExist(t *testing.T, n string, volume *volumes.Volume) resource.TestCheckFunc {
	return func(s *terraform.State) error {
		config := testAccProvider.Meta().(*Config)
		blockStorageClient, err := config.blockStorageV1Client(OS_REGION_NAME)
		if err != nil {
			return fmt.Errorf("Error creating OpenStack block storage client: %s", err)
		}

		_, err = volumes.Get(blockStorageClient, volume.ID).Extract()
		if err != nil {
			if _, ok := err.(gophercloud.ErrDefault404); ok {
				return nil
			}

			return err
		}

		return fmt.Errorf("Volume still exists")
	}
}
func TestGet(t *testing.T) {
	th.SetupHTTP()
	defer th.TeardownHTTP()

	MockGetResponse(t)

	actual, err := volumes.Get(client.ServiceClient(), "d32019d3-bc6e-4319-9c1d-6722fc136a22").Extract()
	th.AssertNoErr(t, err)

	expected := &volumes.Volume{
		Status: "active",
		Name:   "vol-001",
		Attachments: []map[string]interface{}{
			{
				"attachment_id": "03987cd1-0ad5-40d1-9b2a-7cc48295d4fa",
				"id":            "47e9ecc5-4045-4ee3-9a4b-d859d546a0cf",
				"volume_id":     "6c80f8ac-e3e2-480c-8e6e-f1db92fe4bfe",
				"server_id":     "d1c4788b-9435-42e2-9b81-29f3be1cd01f",
				"host_name":     "mitaka",
				"device":        "/",
			},
		},
		AvailabilityZone: "us-east1",
		Bootable:         "false",
		CreatedAt:        gophercloud.JSONRFC3339MilliNoZ(time.Date(2012, 2, 14, 20, 53, 07, 0, time.UTC)),
		Description:      "Another volume.",
		VolumeType:       "289da7f8-6440-407c-9fb4-7db01ec49164",
		SnapshotID:       "",
		SourceVolID:      "",
		Metadata: map[string]string{
			"contents": "junk",
		},
		ID:   "521752a6-acf6-4b2d-bc7a-119f9148cd8c",
		Size: 30,
	}

	th.AssertDeepEquals(t, expected, actual)
}
func resourceBlockStorageVolumeV1Delete(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	blockStorageClient, err := config.blockStorageV1Client(GetRegion(d))
	if err != nil {
		return fmt.Errorf("Error creating OpenStack block storage client: %s", err)
	}

	v, err := volumes.Get(blockStorageClient, d.Id()).Extract()
	if err != nil {
		return CheckDeleted(d, err, "volume")
	}

	// make sure this volume is detached from all instances before deleting
	if len(v.Attachments) > 0 {
		log.Printf("[DEBUG] detaching volumes")
		if computeClient, err := config.computeV2Client(GetRegion(d)); err != nil {
			return err
		} else {
			for _, volumeAttachment := range v.Attachments {
				log.Printf("[DEBUG] Attachment: %v", volumeAttachment)
				if err := volumeattach.Delete(computeClient, volumeAttachment["server_id"].(string), volumeAttachment["id"].(string)).ExtractErr(); err != nil {
					return err
				}
			}

			stateConf := &resource.StateChangeConf{
				Pending:    []string{"in-use", "attaching", "detaching"},
				Target:     []string{"available"},
				Refresh:    VolumeV1StateRefreshFunc(blockStorageClient, d.Id()),
				Timeout:    10 * time.Minute,
				Delay:      10 * time.Second,
				MinTimeout: 3 * time.Second,
			}

			_, err = stateConf.WaitForState()
			if err != nil {
				return fmt.Errorf(
					"Error waiting for volume (%s) to become available: %s",
					d.Id(), err)
			}
		}
	}

	// It's possible that this volume was used as a boot device and is currently
	// in a "deleting" state from when the instance was terminated.
	// If this is true, just move on. It'll eventually delete.
	if v.Status != "deleting" {
		if err := volumes.Delete(blockStorageClient, d.Id()).ExtractErr(); err != nil {
			return CheckDeleted(d, err, "volume")
		}
	}

	// Wait for the volume to delete before moving on.
	log.Printf("[DEBUG] Waiting for volume (%s) to delete", d.Id())

	stateConf := &resource.StateChangeConf{
		Pending:    []string{"deleting", "downloading", "available"},
		Target:     []string{"deleted"},
		Refresh:    VolumeV1StateRefreshFunc(blockStorageClient, d.Id()),
		Timeout:    10 * time.Minute,
		Delay:      10 * time.Second,
		MinTimeout: 3 * time.Second,
	}

	_, err = stateConf.WaitForState()
	if err != nil {
		return fmt.Errorf(
			"Error waiting for volume (%s) to delete: %s",
			d.Id(), err)
	}

	d.SetId("")
	return nil
}