Golang volumes.Get函数代码示例

func testAccCheckBlockStorageV1VolumeExists(t *testing.T, 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
	}
}

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] Retreived 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 (command *commandGet) Execute(resource *handler.Resource) {
	volumeID := resource.Params.(*paramsGet).volumeID
	volume, err := osVolumes.Get(command.Ctx.ServiceClient, volumeID).Extract()
	if err != nil {
		resource.Err = err
		return
	}
	resource.Result = volumeSingle(volume)
}

func TestSnapshots(t *testing.T) {

	client, err := newClient(t)
	th.AssertNoErr(t, err)

	v, err := volumes.Create(client, &volumes.CreateOpts{
		Name: "gophercloud-test-volume",
		Size: 1,
	}).Extract()
	th.AssertNoErr(t, err)

	err = volumes.WaitForStatus(client, v.ID, "available", 120)
	th.AssertNoErr(t, err)

	t.Logf("Created volume: %v\n", v)

	ss, err := snapshots.Create(client, &snapshots.CreateOpts{
		Name:     "gophercloud-test-snapshot",
		VolumeID: v.ID,
	}).Extract()
	th.AssertNoErr(t, err)

	err = snapshots.WaitForStatus(client, ss.ID, "available", 120)
	th.AssertNoErr(t, err)

	t.Logf("Created snapshot: %+v\n", ss)

	err = snapshots.Delete(client, ss.ID).ExtractErr()
	th.AssertNoErr(t, err)

	err = gophercloud.WaitFor(120, func() (bool, error) {
		_, err := snapshots.Get(client, ss.ID).Extract()
		if err != nil {
			return true, nil
		}

		return false, nil
	})
	th.AssertNoErr(t, err)

	t.Log("Deleted snapshot\n")

	err = volumes.Delete(client, v.ID).ExtractErr()
	th.AssertNoErr(t, err)

	err = gophercloud.WaitFor(120, func() (bool, error) {
		_, err := volumes.Get(client, v.ID).Extract()
		if err != nil {
			return true, nil
		}

		return false, nil
	})
	th.AssertNoErr(t, err)

	t.Log("Deleted volume\n")
}

func (d *driver) getVolume(
	volumeID, volumeName string) (volumesRet []volumes.Volume, err error) {

	if volumeID != "" {
		volume, err := volumes.Get(d.clientBlockStorage, volumeID).Extract()
		if err != nil {
			return []volumes.Volume{},
				errors.WithFieldsE(eff(errors.Fields{
					"volumeId":   volumeID,
					"volumeName": volumeName}),
					"error getting volumes", err)
		}
		volumesRet = append(volumesRet, *volume)
	} else {
		listOpts := &volumes.ListOpts{
		//Name:       volumeName,
		}

		allPages, err := volumes.List(d.clientBlockStorage, listOpts).AllPages()
		if err != nil {
			return []volumes.Volume{},
				errors.WithFieldsE(eff(errors.Fields{
					"volumeId":   volumeID,
					"volumeName": volumeName}),
					"error listing volumes", err)
		}
		volumesRet, err = volumes.ExtractVolumes(allPages)
		if err != nil {
			return []volumes.Volume{},
				errors.WithFieldsE(eff(errors.Fields{
					"volumeId":   volumeID,
					"volumeName": volumeName}),
					"error extracting volumes", err)
		}

		var volumesRetFiltered []volumes.Volume
		if volumeName != "" {
			var found bool
			for _, volume := range volumesRet {
				if volume.Name == volumeName {
					volumesRetFiltered = append(volumesRetFiltered, volume)
					found = true
					break
				}
			}
			if !found {
				return []volumes.Volume{}, nil
			}
			volumesRet = volumesRetFiltered
		}
	}

	return volumesRet, nil
}

func (d *driver) getVolume(
	ctx types.Context,
	volumeID, volumeName string,
	attachments types.VolumeAttachmentsTypes) ([]*types.Volume, error) {

	var volumesRet []volumes.Volume
	fields := eff(goof.Fields{
		"moduleName": ctx,
		"volumeId":   volumeID,
		"volumeName": volumeName})

	if volumeID != "" {
		volume, err := volumes.Get(d.clientBlockStorage, volumeID).Extract()
		if err != nil {
			return nil,
				goof.WithFieldsE(fields, "error getting volumes", err)
		}
		volumesRet = append(volumesRet, *volume)
	} else {
		listOpts := &volumes.ListOpts{
		//Name:       volumeName,
		}

		allPages, err := volumes.List(d.clientBlockStorage, listOpts).AllPages()
		if err != nil {
			return nil,
				goof.WithFieldsE(fields, "error listing volumes", err)
		}
		volumesRet, err = volumes.ExtractVolumes(allPages)
		if err != nil {
			return nil,
				goof.WithFieldsE(fields, "error extracting volumes", err)
		}

		var volumesRetFiltered []volumes.Volume
		if volumeName != "" {
			for _, volumer := range volumesRet { //volumer avoids any namespace confict
				if volumer.Name == volumeName {
					volumesRetFiltered = append(volumesRetFiltered, volumer)
					break
				}
			}
			volumesRet = volumesRetFiltered
		}
	}
	//now cast from []volumes.Volume to []types.Volume
	var volumesSD []*types.Volume
	for _, volume := range volumesRet {
		volumesSD = append(volumesSD, translateVolume(&volume, attachments))
	}
	return volumesSD, 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 {
			errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
			if !ok {
				return nil, "", err
			}
			if errCode.Actual == 404 {
				return v, "deleted", nil
			}
			return nil, "", err
		}

		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 (driver *Driver) getVolume(volumeID, volumeName string) (volumesRet []volumes.Volume, err error) {
	if volumeID != "" {
		volume, err := volumes.Get(driver.ClientBlockStorage, volumeID).Extract()
		if err != nil {
			return []volumes.Volume{}, err
		}
		volumesRet = append(volumesRet, *volume)
	} else {
		listOpts := &volumes.ListOpts{
		//Name:       volumeName,
		}

		allPages, err := volumes.List(driver.ClientBlockStorage, listOpts).AllPages()
		if err != nil {
			return []volumes.Volume{}, err
		}
		volumesRet, err = volumes.ExtractVolumes(allPages)
		if err != nil {
			return []volumes.Volume{}, err
		}

		var volumesRetFiltered []volumes.Volume
		if volumeName != "" {
			var found bool
			for _, volume := range volumesRet {
				if volume.Name == volumeName {
					volumesRetFiltered = append(volumesRetFiltered, volume)
					found = true
					break
				}
			}
			if !found {
				return []volumes.Volume{}, nil
			}
		}
		volumesRet = volumesRetFiltered
	}

	return volumesRet, 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 {
			errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
			if !ok {
				return err
			}
			if errCode.Actual == 404 {
				return nil
			}
			return err
		}

		return fmt.Errorf("Volume still exists")
	}
}

func TestVolumes(t *testing.T) {
	client, err := newClient(t)
	th.AssertNoErr(t, err)

	cv, err := volumes.Create(client, &volumes.CreateOpts{
		Size: 1,
		Name: "gophercloud-test-volume",
	}).Extract()
	th.AssertNoErr(t, err)
	defer func() {
		err = volumes.WaitForStatus(client, cv.ID, "available", 60)
		th.AssertNoErr(t, err)
		err = volumes.Delete(client, cv.ID).ExtractErr()
		th.AssertNoErr(t, err)
	}()

	_, err = volumes.Update(client, cv.ID, &volumes.UpdateOpts{
		Name: "gophercloud-updated-volume",
	}).Extract()
	th.AssertNoErr(t, err)

	v, err := volumes.Get(client, cv.ID).Extract()
	th.AssertNoErr(t, err)
	t.Logf("Got volume: %+v\n", v)

	if v.Name != "gophercloud-updated-volume" {
		t.Errorf("Unable to update volume: Expected name: gophercloud-updated-volume\nActual name: %s", v.Name)
	}

	err = volumes.List(client, &volumes.ListOpts{Name: "gophercloud-updated-volume"}).EachPage(func(page pagination.Page) (bool, error) {
		vols, err := volumes.ExtractVolumes(page)
		th.CheckEquals(t, 1, len(vols))
		return true, err
	})
	th.AssertNoErr(t, err)
}

func resourceBlockStorageVolumeV1Delete(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")
	}

	// 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(d.Get("region").(string)); 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
}

// Get retrieves the Volume with the provided ID. To extract the Volume object
// from the response, call the Extract method on the GetResult.
func Get(client *gophercloud.ServiceClient, id string) GetResult {
	return GetResult{os.Get(client, id)}
}