Esempio n. 1
0
func (*volumesSuite) TestVolumeParamsStorageTags(c *gc.C) {
	volumeTag := names.NewVolumeTag("100")
	storageTag := names.NewStorageTag("mystore/0")
	unitTag := names.NewUnitTag("mysql/123")
	p, err := storagecommon.VolumeParams(
		&fakeVolume{tag: volumeTag, params: &state.VolumeParams{
			Pool: "loop", Size: 1024,
		}},
		&fakeStorageInstance{tag: storageTag, owner: unitTag},
		testing.CustomModelConfig(c, nil),
		&fakePoolManager{},
	)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(p, jc.DeepEquals, params.VolumeParams{
		VolumeTag: "volume-100",
		Provider:  "loop",
		Size:      1024,
		Tags: map[string]string{
			tags.JujuController:      testing.ModelTag.Id(),
			tags.JujuModel:           testing.ModelTag.Id(),
			tags.JujuStorageInstance: "mystore/0",
			tags.JujuStorageOwner:    "mysql/123",
		},
	})
}
Esempio n. 2
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// machineVolumeParams retrieves VolumeParams for the volumes that should be
// provisioned with, and attached to, the machine. The client should ignore
// parameters that it does not know how to handle.
func (p *ProvisionerAPI) machineVolumeParams(m *state.Machine) ([]params.VolumeParams, error) {
	volumeAttachments, err := m.VolumeAttachments()
	if err != nil {
		return nil, err
	}
	if len(volumeAttachments) == 0 {
		return nil, nil
	}
	envConfig, err := p.st.EnvironConfig()
	if err != nil {
		return nil, err
	}
	poolManager := poolmanager.New(state.NewStateSettings(p.st))
	allVolumeParams := make([]params.VolumeParams, 0, len(volumeAttachments))
	for _, volumeAttachment := range volumeAttachments {
		volumeTag := volumeAttachment.Volume()
		volume, err := p.st.Volume(volumeTag)
		if err != nil {
			return nil, errors.Annotatef(err, "getting volume %q", volumeTag.Id())
		}
		storageInstance, err := storagecommon.MaybeAssignedStorageInstance(
			volume.StorageInstance, p.st.StorageInstance,
		)
		if err != nil {
			return nil, errors.Annotatef(err, "getting volume %q storage instance", volumeTag.Id())
		}
		volumeParams, err := storagecommon.VolumeParams(volume, storageInstance, envConfig, poolManager)
		if err != nil {
			return nil, errors.Annotatef(err, "getting volume %q parameters", volumeTag.Id())
		}
		provider, err := registry.StorageProvider(storage.ProviderType(volumeParams.Provider))
		if err != nil {
			return nil, errors.Annotate(err, "getting storage provider")
		}
		if provider.Dynamic() {
			// Leave dynamic storage to the storage provisioner.
			continue
		}
		volumeAttachmentParams, ok := volumeAttachment.Params()
		if !ok {
			// Attachment is already provisioned; this is an insane
			// state, so we should not proceed with the volume.
			return nil, errors.Errorf(
				"volume %s already attached to machine %s",
				volumeTag.Id(), m.Id(),
			)
		}
		// Not provisioned yet, so ask the cloud provisioner do it.
		volumeParams.Attachment = &params.VolumeAttachmentParams{
			volumeTag.String(),
			m.Tag().String(),
			"", // we're creating the volume, so it has no volume ID.
			"", // we're creating the machine, so it has no instance ID.
			volumeParams.Provider,
			volumeAttachmentParams.ReadOnly,
		}
		allVolumeParams = append(allVolumeParams, volumeParams)
	}
	return allVolumeParams, nil
}
Esempio n. 3
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func (*volumesSuite) testVolumeParams(c *gc.C, volumeParams *state.VolumeParams, info *state.VolumeInfo) {
	tag := names.NewVolumeTag("100")
	p, err := storagecommon.VolumeParams(
		&fakeVolume{tag: tag, params: volumeParams, info: info},
		nil, // StorageInstance
		testing.ModelTag.Id(),
		testing.ControllerTag.Id(),
		testing.CustomModelConfig(c, testing.Attrs{
			"resource-tags": "a=b c=",
		}),
		&fakePoolManager{},
		provider.CommonStorageProviders(),
	)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(p, jc.DeepEquals, params.VolumeParams{
		VolumeTag: "volume-100",
		Provider:  "loop",
		Size:      1024,
		Tags: map[string]string{
			tags.JujuController: testing.ControllerTag.Id(),
			tags.JujuModel:      testing.ModelTag.Id(),
			"a":                 "b",
			"c":                 "",
		},
	})
}
Esempio n. 4
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func (*volumesSuite) testVolumeParams(c *gc.C, provisioned bool) {
	tag := names.NewVolumeTag("100")
	p, err := storagecommon.VolumeParams(
		&fakeVolume{tag: tag, provisioned: provisioned},
		nil, // StorageInstance
		testing.CustomEnvironConfig(c, testing.Attrs{
			"resource-tags": "a=b c=",
		}),
		&fakePoolManager{},
	)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(p, jc.DeepEquals, params.VolumeParams{
		VolumeTag: "volume-100",
		Provider:  "loop",
		Size:      1024,
		Tags: map[string]string{
			tags.JujuEnv: testing.EnvironmentTag.Id(),
			"a":          "b",
			"c":          "",
		},
	})
}
Esempio n. 5
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// VolumeParams returns the parameters for creating or destroying
// the volumes with the specified tags.
func (s *StorageProvisionerAPI) VolumeParams(args params.Entities) (params.VolumeParamsResults, error) {
	canAccess, err := s.getStorageEntityAuthFunc()
	if err != nil {
		return params.VolumeParamsResults{}, err
	}
	envConfig, err := s.st.EnvironConfig()
	if err != nil {
		return params.VolumeParamsResults{}, err
	}
	results := params.VolumeParamsResults{
		Results: make([]params.VolumeParamsResult, len(args.Entities)),
	}
	poolManager := poolmanager.New(s.settings)
	one := func(arg params.Entity) (params.VolumeParams, error) {
		tag, err := names.ParseVolumeTag(arg.Tag)
		if err != nil || !canAccess(tag) {
			return params.VolumeParams{}, common.ErrPerm
		}
		volume, err := s.st.Volume(tag)
		if errors.IsNotFound(err) {
			return params.VolumeParams{}, common.ErrPerm
		} else if err != nil {
			return params.VolumeParams{}, err
		}
		volumeAttachments, err := s.st.VolumeAttachments(tag)
		if err != nil {
			return params.VolumeParams{}, err
		}
		storageInstance, err := storagecommon.MaybeAssignedStorageInstance(
			volume.StorageInstance,
			s.st.StorageInstance,
		)
		if err != nil {
			return params.VolumeParams{}, err
		}
		volumeParams, err := storagecommon.VolumeParams(volume, storageInstance, envConfig, poolManager)
		if err != nil {
			return params.VolumeParams{}, err
		}
		if len(volumeAttachments) == 1 {
			// There is exactly one attachment to be made, so make
			// it immediately. Otherwise we will defer attachments
			// until later.
			volumeAttachment := volumeAttachments[0]
			volumeAttachmentParams, ok := volumeAttachment.Params()
			if !ok {
				return params.VolumeParams{}, errors.Errorf(
					"volume %q is already attached to machine %q",
					volumeAttachment.Volume().Id(),
					volumeAttachment.Machine().Id(),
				)
			}
			machineTag := volumeAttachment.Machine()
			instanceId, err := s.st.MachineInstanceId(machineTag)
			if errors.IsNotProvisioned(err) {
				// Leave the attachment until later.
				instanceId = ""
			} else if err != nil {
				return params.VolumeParams{}, err
			}
			volumeParams.Attachment = &params.VolumeAttachmentParams{
				tag.String(),
				machineTag.String(),
				"", // volume ID
				string(instanceId),
				volumeParams.Provider,
				volumeAttachmentParams.ReadOnly,
			}
		}
		return volumeParams, nil
	}
	for i, arg := range args.Entities {
		var result params.VolumeParamsResult
		volumeParams, err := one(arg)
		if err != nil {
			result.Error = common.ServerError(err)
		} else {
			result.Result = volumeParams
		}
		results.Results[i] = result
	}
	return results, nil
}