Golang names.NewVolumeTag函数代码示例

func (s *VolumeStateSuite) TestWatchEnvironVolumeAttachments(c *gc.C) {
	service := s.setupMixedScopeStorageService(c, "block")
	addUnit := func() {
		u, err := service.AddUnit()
		c.Assert(err, jc.ErrorIsNil)
		err = s.State.AssignUnit(u, state.AssignCleanEmpty)
		c.Assert(err, jc.ErrorIsNil)
	}
	addUnit()

	w := s.State.WatchEnvironVolumeAttachments()
	defer testing.AssertStop(c, w)
	wc := testing.NewStringsWatcherC(c, s.State, w)
	wc.AssertChangeInSingleEvent("0:0") // initial
	wc.AssertNoChange()

	addUnit()
	wc.AssertChangeInSingleEvent("1:3")
	wc.AssertNoChange()

	err := s.State.DetachVolume(names.NewMachineTag("0"), names.NewVolumeTag("0"))
	c.Assert(err, jc.ErrorIsNil)
	wc.AssertChangeInSingleEvent("0:0") // dying
	wc.AssertNoChange()

	err = s.State.RemoveVolumeAttachment(names.NewMachineTag("0"), names.NewVolumeTag("0"))
	c.Assert(err, jc.ErrorIsNil)
	wc.AssertChangeInSingleEvent("0:0") // removed
	wc.AssertNoChange()
}

func (s *provisionerSuite) TestRemoveVolumesMachineAgent(c *gc.C) {
	s.setupVolumes(c)
	s.authorizer.EnvironManager = false
	args := params.Entities{Entities: []params.Entity{
		{"volume-0-0"}, {"volume-0-42"}, {"volume-42"},
		{"volume-invalid"}, {"machine-0"},
	}}

	err := s.State.DetachVolume(names.NewMachineTag("0"), names.NewVolumeTag("0/0"))
	c.Assert(err, jc.ErrorIsNil)
	err = s.State.RemoveVolumeAttachment(names.NewMachineTag("0"), names.NewVolumeTag("0/0"))
	c.Assert(err, jc.ErrorIsNil)
	err = s.State.DestroyVolume(names.NewVolumeTag("0/0"))
	c.Assert(err, jc.ErrorIsNil)

	result, err := s.api.Remove(args)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(result, gc.DeepEquals, params.ErrorResults{
		Results: []params.ErrorResult{
			{Error: nil},
			{Error: nil},
			{Error: &params.Error{Message: "permission denied", Code: "unauthorized access"}},
			{Error: &params.Error{Message: `"volume-invalid" is not a valid volume tag`}},
			{Error: &params.Error{Message: "permission denied", Code: "unauthorized access"}},
		},
	})
}

func (s *VolumeStateSuite) TestWatchMachineVolumeAttachments(c *gc.C) {
	service := s.setupMixedScopeStorageService(c, "block")
	addUnit := func() {
		u, err := service.AddUnit()
		c.Assert(err, jc.ErrorIsNil)
		err = s.State.AssignUnit(u, state.AssignCleanEmpty)
		c.Assert(err, jc.ErrorIsNil)
	}
	addUnit()

	w := s.State.WatchMachineVolumeAttachments(names.NewMachineTag("0"))
	defer testing.AssertStop(c, w)
	wc := testing.NewStringsWatcherC(c, s.State, w)
	wc.AssertChangeInSingleEvent("0:0", "0:0/1", "0:0/2") // initial
	wc.AssertNoChange()

	addUnit()
	// no change, since we're only interested in the one machine.
	wc.AssertNoChange()

	err := s.State.DetachVolume(names.NewMachineTag("0"), names.NewVolumeTag("0"))
	c.Assert(err, jc.ErrorIsNil)
	wc.AssertChangeInSingleEvent("0:0") // dying
	wc.AssertNoChange()

	err = s.State.RemoveVolumeAttachment(names.NewMachineTag("0"), names.NewVolumeTag("0"))
	c.Assert(err, jc.ErrorIsNil)
	wc.AssertChangeInSingleEvent("0:0") // removed
	wc.AssertNoChange()

	// TODO(axw) respond to changes to the same machine when we support
	// dynamic storage and/or placement.
}

func (s *volumeSourceSuite) SetUpTest(c *gc.C) {
	s.BaseSuite.SetUpTest(c)
	s.provider = gce.GCEStorageProvider()
	var err error
	s.source, err = s.provider.VolumeSource(s.BaseSuite.Config, &storage.Config{})
	c.Check(err, jc.ErrorIsNil)

	inst := gce.NewInstance(s.BaseInstance, s.Env)
	vTag := names.NewVolumeTag("0")
	mTag := names.NewMachineTag("0")
	s.instId = inst.Id()
	s.attachmentParams = &storage.VolumeAttachmentParams{
		AttachmentParams: storage.AttachmentParams{
			Provider:   "gce",
			Machine:    mTag,
			InstanceId: s.instId,
		},
		VolumeId: s.BaseDisk.Name,
		Volume:   names.NewVolumeTag("0"),
	}
	s.params = []storage.VolumeParams{{
		Tag:        vTag,
		Size:       1024,
		Provider:   "gce",
		Attachment: s.attachmentParams,
	}}

}

func (s *loopSuite) TestCreateVolumes(c *gc.C) {
	source, _ := s.loopVolumeSource(c)
	s.commands.expect("fallocate", "-l", "2MiB", filepath.Join(s.storageDir, "volume-0"))

	volumes, volumeAttachments, err := source.CreateVolumes([]storage.VolumeParams{{
		Tag:  names.NewVolumeTag("0"),
		Size: 2,
		Attachment: &storage.VolumeAttachmentParams{
			AttachmentParams: storage.AttachmentParams{
				Machine:    names.NewMachineTag("1"),
				InstanceId: "instance-id",
			},
		},
	}})
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(volumes, gc.HasLen, 1)
	// volume attachments always deferred to AttachVolumes
	c.Assert(volumeAttachments, gc.HasLen, 0)
	c.Assert(volumes[0], gc.Equals, storage.Volume{
		names.NewVolumeTag("0"),
		storage.VolumeInfo{
			VolumeId: "volume-0",
			Size:     2,
		},
	})
}

func (s *ebsVolumeSuite) assertCreateVolumes(c *gc.C, vs storage.VolumeSource, instanceId string) {
	vols, err := s.createVolumes(vs, instanceId)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(vols, gc.HasLen, 3)
	c.Assert(vols, jc.SameContents, []storage.Volume{{
		names.NewVolumeTag("0"),
		storage.VolumeInfo{
			Size:       10240,
			VolumeId:   "vol-0",
			Persistent: true,
		},
	}, {
		names.NewVolumeTag("1"),
		storage.VolumeInfo{
			Size:       20480,
			VolumeId:   "vol-1",
			Persistent: true,
		},
	}, {
		names.NewVolumeTag("2"),
		storage.VolumeInfo{
			Size:       30720,
			VolumeId:   "vol-2",
			Persistent: false,
		},
	}})
	ec2Client := ec2.StorageEC2(vs)
	ec2Vols, err := ec2Client.Volumes(nil, nil)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(ec2Vols.Volumes, gc.HasLen, 3)
	sortBySize(ec2Vols.Volumes)
	c.Assert(ec2Vols.Volumes[0].Size, gc.Equals, 10)
	c.Assert(ec2Vols.Volumes[1].Size, gc.Equals, 20)
	c.Assert(ec2Vols.Volumes[2].Size, gc.Equals, 30)
}

func (s *storageProvisionerSuite) TestDestroyVolumes(c *gc.C) {
	provisionedVolume := names.NewVolumeTag("1")
	unprovisionedVolume := names.NewVolumeTag("2")

	volumeAccessor := newMockVolumeAccessor()
	volumeAccessor.provisionVolume(provisionedVolume)

	life := func(tags []names.Tag) ([]params.LifeResult, error) {
		results := make([]params.LifeResult, len(tags))
		for i := range results {
			results[i].Life = params.Dead
		}
		return results, nil
	}

	destroyedChan := make(chan interface{}, 1)
	s.provider.destroyVolumesFunc = func(volumeIds []string) []error {
		destroyedChan <- volumeIds
		return make([]error, len(volumeIds))
	}

	removedChan := make(chan interface{}, 1)
	remove := func(tags []names.Tag) ([]params.ErrorResult, error) {
		removedChan <- tags
		return make([]params.ErrorResult, len(tags)), nil
	}

	args := &workerArgs{
		volumes: volumeAccessor,
		life: &mockLifecycleManager{
			life:   life,
			remove: remove,
		},
	}
	worker := newStorageProvisioner(c, args)
	defer func() { c.Assert(worker.Wait(), gc.IsNil) }()
	defer worker.Kill()

	volumeAccessor.volumesWatcher.changes <- []string{
		provisionedVolume.Id(),
		unprovisionedVolume.Id(),
	}
	args.environ.watcher.changes <- struct{}{}

	// Both volumes should be removed; the provisioned one
	// should be deprovisioned first.

	destroyed := waitChannel(c, destroyedChan, "waiting for volume to be deprovisioned")
	assertNoEvent(c, destroyedChan, "volumes deprovisioned")
	c.Assert(destroyed, jc.DeepEquals, []string{"vol-1"})

	var removed []names.Tag
	for len(removed) < 2 {
		tags := waitChannel(c, removedChan, "waiting for volumes to be removed").([]names.Tag)
		removed = append(removed, tags...)
	}
	c.Assert(removed, jc.SameContents, []names.Tag{provisionedVolume, unprovisionedVolume})
	assertNoEvent(c, removedChan, "volumes removed")
}

func (s *volumeSuite) TestParseVolumeTag(c *gc.C) {
	assertParseVolumeTag(c, "volume-0", names.NewVolumeTag("0"))
	assertParseVolumeTag(c, "volume-88", names.NewVolumeTag("88"))
	assertParseVolumeTag(c, "volume-0-lxc-0-88", names.NewVolumeTag("0/lxc/0/88"))
	assertParseVolumeTagInvalid(c, "", names.InvalidTagError("", ""))
	assertParseVolumeTagInvalid(c, "one", names.InvalidTagError("one", ""))
	assertParseVolumeTagInvalid(c, "volume-", names.InvalidTagError("volume-", names.VolumeTagKind))
	assertParseVolumeTagInvalid(c, "machine-0", names.InvalidTagError("machine-0", names.VolumeTagKind))
}

func (s *ebsVolumeSuite) createVolumes(vs storage.VolumeSource, instanceId string) ([]storage.Volume, error) {
	if instanceId == "" {
		instanceId = s.srv.ec2srv.NewInstances(1, "m1.medium", imageId, ec2test.Running, nil)[0]
	}
	volume0 := names.NewVolumeTag("0")
	volume1 := names.NewVolumeTag("1")
	volume2 := names.NewVolumeTag("2")
	params := []storage.VolumeParams{{
		Tag:      volume0,
		Size:     10 * 1000,
		Provider: ec2.EBS_ProviderType,
		Attributes: map[string]interface{}{
			"persistent":  true,
			"volume-type": "io1",
			"iops":        100,
		},
		Attachment: &storage.VolumeAttachmentParams{
			AttachmentParams: storage.AttachmentParams{
				InstanceId: instance.Id(instanceId),
			},
		},
		ResourceTags: map[string]string{
			tags.JujuEnv: s.TestConfig["uuid"].(string),
		},
	}, {
		Tag:      volume1,
		Size:     20 * 1000,
		Provider: ec2.EBS_ProviderType,
		Attributes: map[string]interface{}{
			"persistent": true,
		},
		Attachment: &storage.VolumeAttachmentParams{
			AttachmentParams: storage.AttachmentParams{
				InstanceId: instance.Id(instanceId),
			},
		},
		ResourceTags: map[string]string{
			tags.JujuEnv: "something-else",
		},
	}, {
		Tag:      volume2,
		Size:     30 * 1000,
		Provider: ec2.EBS_ProviderType,
		ResourceTags: map[string]string{
			"abc": "123",
		},
		Attachment: &storage.VolumeAttachmentParams{
			AttachmentParams: storage.AttachmentParams{
				InstanceId: instance.Id(instanceId),
			},
		},
	}}
	vols, _, err := vs.CreateVolumes(params)
	return vols, err
}

func (s *volumeSuite) TestInstanceVolumesOldMass(c *gc.C) {
	obj := s.testMAASObject.TestServer.NewNode(`{"system_id": "node0"}`)
	instance := maasInstance{&obj}
	volumes, attachments, err := instance.volumes(names.NewMachineTag("1"), []names.VolumeTag{
		names.NewVolumeTag("1"),
		names.NewVolumeTag("2"),
	})
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(volumes, gc.HasLen, 0)
	c.Assert(attachments, gc.HasLen, 0)
}

func (s *VolumeStateSuite) TestParseVolumeAttachmentId(c *gc.C) {
	assertValid := func(id string, m names.MachineTag, v names.VolumeTag) {
		machineTag, volumeTag, err := state.ParseVolumeAttachmentId(id)
		c.Assert(err, jc.ErrorIsNil)
		c.Assert(machineTag, gc.Equals, m)
		c.Assert(volumeTag, gc.Equals, v)
	}
	assertValid("0:0", names.NewMachineTag("0"), names.NewVolumeTag("0"))
	assertValid("0:0/1", names.NewMachineTag("0"), names.NewVolumeTag("0/1"))
	assertValid("0/lxc/0:1", names.NewMachineTag("0/lxc/0"), names.NewVolumeTag("1"))
}

func (s *cinderVolumeSourceSuite) TestDetachVolumes(c *gc.C) {
	const mockServerId2 = mockServerId + "2"

	var numListCalls, numDetachCalls int
	mockAdapter := &mockAdapter{
		listVolumeAttachments: func(serverId string) ([]nova.VolumeAttachment, error) {
			numListCalls++
			if serverId == mockServerId2 {
				// no attachments
				return nil, nil
			}
			c.Check(serverId, gc.Equals, mockServerId)
			return []nova.VolumeAttachment{{
				Id:       mockVolId,
				VolumeId: mockVolId,
				ServerId: mockServerId,
				Device:   "/dev/sda",
			}}, nil
		},
		detachVolume: func(serverId, volId string) error {
			numDetachCalls++
			c.Check(serverId, gc.Equals, mockServerId)
			c.Check(volId, gc.Equals, mockVolId)
			return nil
		},
	}

	volSource := openstack.NewCinderVolumeSource(mockAdapter)
	errs, err := volSource.DetachVolumes([]storage.VolumeAttachmentParams{{
		Volume:   names.NewVolumeTag("123"),
		VolumeId: mockVolId,
		AttachmentParams: storage.AttachmentParams{
			Machine:    names.NewMachineTag("0"),
			InstanceId: mockServerId,
		},
	}, {
		Volume:   names.NewVolumeTag("42"),
		VolumeId: "42",
		AttachmentParams: storage.AttachmentParams{
			Machine:    names.NewMachineTag("0"),
			InstanceId: mockServerId2,
		},
	}})
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(errs, jc.DeepEquals, []error{nil, nil})
	// DetachVolume should only be called for existing attachments.
	mockAdapter.CheckCalls(c, []gitjujutesting.StubCall{{
		"ListVolumeAttachments", []interface{}{mockServerId},
	}, {
		"DetachVolume", []interface{}{mockServerId, mockVolId},
	}, {
		"ListVolumeAttachments", []interface{}{mockServerId2},
	}})
}

func (s *managedfsSuite) testAttachFilesystems(c *gc.C, readOnly, reattach bool) {
	const testMountPoint = "/in/the/place"

	source := s.initSource(c)
	cmd := s.commands.expect("df", "--output=source", filepath.Dir(testMountPoint))
	cmd.respond("headers\n/same/as/rootfs", nil)
	cmd = s.commands.expect("df", "--output=source", testMountPoint)
	if reattach {
		cmd.respond("headers\n/different/to/rootfs", nil)
	} else {
		cmd.respond("headers\n/same/as/rootfs", nil)
		var args []string
		if readOnly {
			args = append(args, "-o", "ro")
		}
		args = append(args, "/dev/sda1", testMountPoint)
		s.commands.expect("mount", args...)
	}

	s.blockDevices[names.NewVolumeTag("0")] = storage.BlockDevice{
		DeviceName: "sda",
		HardwareId: "capncrunch",
		Size:       2,
	}
	s.filesystems[names.NewFilesystemTag("0/0")] = storage.Filesystem{
		Tag:    names.NewFilesystemTag("0/0"),
		Volume: names.NewVolumeTag("0"),
	}

	results, err := source.AttachFilesystems([]storage.FilesystemAttachmentParams{{
		Filesystem:   names.NewFilesystemTag("0/0"),
		FilesystemId: "filesystem-0-0",
		AttachmentParams: storage.AttachmentParams{
			Machine:    names.NewMachineTag("0"),
			InstanceId: "inst-ance",
			ReadOnly:   readOnly,
		},
		Path: testMountPoint,
	}})
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(results, jc.DeepEquals, []storage.AttachFilesystemsResult{{
		FilesystemAttachment: &storage.FilesystemAttachment{
			names.NewFilesystemTag("0/0"),
			names.NewMachineTag("0"),
			storage.FilesystemAttachmentInfo{
				Path:     testMountPoint,
				ReadOnly: readOnly,
			},
		},
	}})
}

func (s *VolumeStateSuite) TestWatchMachineVolumeAttachments(c *gc.C) {
	service := s.setupMixedScopeStorageService(c, "block")
	addUnit := func(to *state.Machine) (u *state.Unit, m *state.Machine) {
		var err error
		u, err = service.AddUnit()
		c.Assert(err, jc.ErrorIsNil)
		if to != nil {
			err = u.AssignToMachine(to)
			c.Assert(err, jc.ErrorIsNil)
			return u, to
		}
		err = s.State.AssignUnit(u, state.AssignCleanEmpty)
		c.Assert(err, jc.ErrorIsNil)
		mid, err := u.AssignedMachineId()
		c.Assert(err, jc.ErrorIsNil)
		m, err = s.State.Machine(mid)
		c.Assert(err, jc.ErrorIsNil)
		return u, m
	}
	_, m0 := addUnit(nil)

	w := s.State.WatchMachineVolumeAttachments(names.NewMachineTag("0"))
	defer testing.AssertStop(c, w)
	wc := testing.NewStringsWatcherC(c, s.State, w)
	wc.AssertChangeInSingleEvent("0:0/1", "0:0/2") // initial
	wc.AssertNoChange()

	addUnit(nil)
	// no change, since we're only interested in the one machine.
	wc.AssertNoChange()

	err := s.State.DetachVolume(names.NewMachineTag("0"), names.NewVolumeTag("0"))
	c.Assert(err, jc.ErrorIsNil)
	// no change, since we're only interested in attachments of
	// machine-scoped volumes.
	wc.AssertNoChange()

	err = s.State.DetachVolume(names.NewMachineTag("0"), names.NewVolumeTag("0/1"))
	c.Assert(err, jc.ErrorIsNil)
	wc.AssertChangeInSingleEvent("0:0/1") // dying
	wc.AssertNoChange()

	err = s.State.RemoveVolumeAttachment(names.NewMachineTag("0"), names.NewVolumeTag("0/1"))
	c.Assert(err, jc.ErrorIsNil)
	wc.AssertChangeInSingleEvent("0:0/1") // removed
	wc.AssertNoChange()

	addUnit(m0)
	wc.AssertChangeInSingleEvent("0:0/7", "0:0/8") // added
}

func (s *provisionerSuite) TestEnsureDead(c *gc.C) {
	s.setupVolumes(c)
	args := params.Entities{Entities: []params.Entity{{"volume-0-0"}, {"volume-1"}, {"volume-42"}}}
	result, err := s.api.EnsureDead(args)
	c.Assert(err, jc.ErrorIsNil)
	// TODO(wallyworld) - this test will be updated when EnsureDead is supported
	c.Assert(result, gc.DeepEquals, params.ErrorResults{
		Results: []params.ErrorResult{
			{Error: common.ServerError(common.NotSupportedError(names.NewVolumeTag("0/0"), "ensuring death"))},
			{Error: common.ServerError(common.NotSupportedError(names.NewVolumeTag("1"), "ensuring death"))},
			{Error: common.ServerError(errors.NotFoundf(`volume "42"`))},
		},
	})
}