Golang openstack.NewBlockStorageV1函数代码示例

// Takes a partial/full disk id or diskname
func (os *OpenStack) getVolume(diskName string) (volumes.Volume, error) {
	sClient, err := openstack.NewBlockStorageV1(os.provider, gophercloud.EndpointOpts{
		Region: os.region,
	})

	var volume volumes.Volume
	if err != nil || sClient == nil {
		glog.Errorf("Unable to initialize cinder client for region: %s", os.region)
		return volume, err
	}

	err = volumes.List(sClient, nil).EachPage(func(page pagination.Page) (bool, error) {
		vols, err := volumes.ExtractVolumes(page)
		if err != nil {
			glog.Errorf("Failed to extract volumes: %v", err)
			return false, err
		} else {
			for _, v := range vols {
				glog.V(4).Infof("%s %s %v", v.ID, v.Name, v.Attachments)
				if v.Name == diskName || strings.Contains(v.ID, diskName) {
					volume = v
					return true, nil
				}
			}
		}
		// if it reached here then no disk with the given name was found.
		errmsg := fmt.Sprintf("Unable to find disk: %s in region %s", diskName, os.region)
		return false, errors.New(errmsg)
	})
	if err != nil {
		glog.Errorf("Error occured getting volume: %s", diskName)
		return volume, err
	}
	return volume, err
}

// Create a volume of given size (in GiB)
func (os *OpenStack) CreateVolume(name string, size int, tags *map[string]string) (volumeName string, err error) {

	sClient, err := openstack.NewBlockStorageV1(os.provider, gophercloud.EndpointOpts{
		Region: os.region,
	})

	if err != nil || sClient == nil {
		glog.Errorf("Unable to initialize cinder client for region: %s", os.region)
		return "", err
	}

	opts := volumes.CreateOpts{
		Name: name,
		Size: size,
	}
	if tags != nil {
		opts.Metadata = *tags
	}
	vol, err := volumes.Create(sClient, opts).Extract()
	if err != nil {
		glog.Errorf("Failed to create a %d GB volume: %v", size, err)
		return "", err
	}
	glog.Infof("Created volume %v", vol.ID)
	return vol.ID, err
}

// GetSnapshots collects snapshot data by sending REST call to cinderhost:8776/v1/tenant_id/snapshots
func (s ServiceV1) GetSnapshots(provider *gophercloud.ProviderClient) (map[string]types.Snapshots, error) {
	snaps := map[string]types.Snapshots{}

	client, err := openstack.NewBlockStorageV1(provider, gophercloud.EndpointOpts{})
	if err != nil {
		return snaps, err
	}

	opts := snapshots.ListOpts{}

	pager := snapshots.List(client, opts)
	page, err := pager.AllPages()
	if err != nil {
		return snaps, err
	}

	snapshotList, err := snapshots.ExtractSnapshots(page)
	if err != nil {
		return snaps, err
	}

	for _, snapshot := range snapshotList {
		snapCounts := snaps["tenant_id"]
		snapCounts.Count += 1
		snapCounts.Bytes += snapshot.Size * 1024 * 1024 * 1024
	}

	return snaps, nil
}

// GetVolumes collects volumes data by sending REST call to cinderhost:8776/v1/tenant_id/volumes
func (s ServiceV1) GetVolumes(provider *gophercloud.ProviderClient) (map[string]types.Volumes, error) {
	vols := map[string]types.Volumes{}

	client, err := openstack.NewBlockStorageV1(provider, gophercloud.EndpointOpts{})
	if err != nil {
		return vols, err
	}

	//opts := volumes.ListOpts{AllTenants: true}
	opts := volumes.ListOpts{}

	pager := volumes.List(client, opts)
	page, err := pager.AllPages()
	if err != nil {
		return vols, err
	}

	volumeList, err := volumes.ExtractVolumes(page)
	if err != nil {
		return vols, err
	}

	for _, volume := range volumeList {
		volCounts := vols["volume.OsVolTenantAttrTenantID"]
		volCounts.Count += 1
		volCounts.Bytes += volume.Size * 1024 * 1024 * 1024
		vols["volume.OsVolTenantAttrTenantID"] = volCounts

	}

	return vols, nil
}

func (d *driver) Init(context types.Context, config gofig.Config) error {
	d.config = config

	fields := eff(map[string]interface{}{})
	var err error

	if d.instanceID, err = d.getInstanceID(); err != nil {
		return err
	}

	fields["moduleName"] = context
	fields["instanceId"] = d.instanceID

	if d.region, err = d.getInstanceRegion(); err != nil {
		return err
	}

	fields["region"] = d.region
	d.region = strings.ToUpper(d.region)

	authOpts := d.getAuthOptions()

	fields["identityEndpoint"] = d.authURL()
	fields["userId"] = d.userID()
	fields["userName"] = d.userName()
	if d.password() == "" {
		fields["password"] = ""
	} else {
		fields["password"] = "******"
	}
	fields["tenantId"] = d.tenantID()
	fields["tenantName"] = d.tenantName()
	fields["domainId"] = d.domainID()
	fields["domainName"] = d.domainName()

	if d.provider, err = openstack.AuthenticatedClient(authOpts); err != nil {
		return goof.WithFieldsE(fields,
			"error getting authenticated client", err)
	}

	if d.client, err = openstack.NewComputeV2(d.provider,
		gophercloud.EndpointOpts{Region: d.region}); err != nil {
		goof.WithFieldsE(fields, "error getting newComputeV2", err)
	}

	if d.clientBlockStorage, err = openstack.NewBlockStorageV1(d.provider,
		gophercloud.EndpointOpts{Region: d.region}); err != nil {
		return goof.WithFieldsE(fields,
			"error getting newBlockStorageV1", err)
	}

	log.WithFields(fields).Info("storage driver initialized")
	return nil

}

func newBlockClient(t *testing.T) (*gophercloud.ServiceClient, error) {
	ao, err := openstack.AuthOptionsFromEnv()
	th.AssertNoErr(t, err)

	client, err := openstack.AuthenticatedClient(ao)
	th.AssertNoErr(t, err)

	return openstack.NewBlockStorageV1(client, gophercloud.EndpointOpts{
		Region: os.Getenv("OS_REGION_NAME"),
	})
}

func (d *driver) Init(r *core.RexRay) error {
	d.r = r
	fields := ef()
	var err error

	if d.instanceID, err = getInstanceID(d.r.Config); err != nil {
		return err
	}

	fields["instanceId"] = d.instanceID

	if d.region, err = getInstanceRegion(d.r.Config); err != nil {
		return err
	}

	fields["region"] = d.region
	d.region = strings.ToUpper(d.region)

	authOpts := getAuthOptions(d.r.Config)

	fields["identityEndpoint"] = d.r.Config.RackspaceAuthURL
	fields["userId"] = d.r.Config.RackspaceUserID
	fields["userName"] = d.r.Config.RackspaceUserName
	if d.r.Config.RackspacePassword == "" {
		fields["password"] = ""
	} else {
		fields["password"] = "******"
	}
	fields["tenantId"] = d.r.Config.RackspaceTenantID
	fields["tenantName"] = d.r.Config.RackspaceTenantName
	fields["domainId"] = d.r.Config.RackspaceDomainID
	fields["domainName"] = d.r.Config.RackspaceDomainName

	if d.provider, err = openstack.AuthenticatedClient(authOpts); err != nil {
		return errors.WithFieldsE(fields,
			"error getting authenticated client", err)
	}

	if d.client, err = openstack.NewComputeV2(d.provider,
		gophercloud.EndpointOpts{Region: d.region}); err != nil {
		errors.WithFieldsE(fields, "error getting newComputeV2", err)
	}

	if d.clientBlockStorage, err = openstack.NewBlockStorageV1(d.provider,
		gophercloud.EndpointOpts{Region: d.region}); err != nil {
		return errors.WithFieldsE(fields,
			"error getting newBlockStorageV1", err)
	}

	log.WithField("provider", providerName).Info("storage driver initialized")

	return nil
}

func (os *OpenStack) DeleteVolume(volumeName string) error {
	sClient, err := openstack.NewBlockStorageV1(os.provider, gophercloud.EndpointOpts{
		Region: os.region,
	})

	if err != nil || sClient == nil {
		glog.Errorf("Unable to initialize cinder client for region: %s", os.region)
		return err
	}
	err = volumes.Delete(sClient, volumeName).ExtractErr()
	if err != nil {
		glog.Errorf("Cannot delete volume %s: %v", volumeName, err)
	}
	return err
}

func Init() (storagedriver.Driver, error) {

	instanceID, err := getInstanceID()
	if err != nil {
		return nil, fmt.Errorf("Error: %v", err)
	}

	region, err := getInstanceRegion()
	if err != nil {
		return nil, fmt.Errorf("Error: %v", err)
	}

	opts, err := openstack.AuthOptionsFromEnv()
	if err != nil {
		return nil, fmt.Errorf("Error: %v", err)
	}

	provider, err := openstack.AuthenticatedClient(opts)
	if err != nil {
		return nil, fmt.Errorf("Error: %v", err)
	}

	region = strings.ToUpper(region)
	client, err := openstack.NewComputeV2(provider, gophercloud.EndpointOpts{
		Region: region,
	})
	if err != nil {
		return nil, fmt.Errorf("Error: %v", err)
	}

	clientBlockStorage, err := openstack.NewBlockStorageV1(provider, gophercloud.EndpointOpts{
		Region: region,
	})
	if err != nil {
		return nil, fmt.Errorf("Error: %v", err)
	}

	driver := &Driver{
		Provider:           provider,
		Client:             client,
		ClientBlockStorage: clientBlockStorage,
		Region:             region,
		InstanceID:         instanceID,
	}

	return driver, nil
}

// GetLimits collects tenant limits by sending REST call to cinderhost:8776/v1/tenant_id/limits
func (s ServiceV1) GetLimits(provider *gophercloud.ProviderClient) (types.Limits, error) {
	limits := types.Limits{}

	client, err := openstack.NewBlockStorageV1(provider, gophercloud.EndpointOpts{})
	if err != nil {
		return limits, err
	}

	tenantLimits, err := limitsintel.Get(client, "limits").Extract()
	if err != nil {
		return limits, err
	}

	limits.MaxTotalVolumes = tenantLimits.MaxTotalVolumes
	limits.MaxTotalVolumeGigabytes = tenantLimits.MaxTotalVolumeGigabytes

	return limits, nil
}

func (os *OpenStack) DeleteVolume(volumeName string) error {
	used, err := os.diskIsUsed(volumeName)
	if err != nil {
		return err
	}
	if used {
		msg := fmt.Sprintf("Cannot delete the volume %q, it's still attached to a node", volumeName)
		return volume.NewDeletedVolumeInUseError(msg)
	}

	sClient, err := openstack.NewBlockStorageV1(os.provider, gophercloud.EndpointOpts{
		Region: os.region,
	})

	if err != nil || sClient == nil {
		glog.Errorf("Unable to initialize cinder client for region: %s", os.region)
		return err
	}
	err = volumes.Delete(sClient, volumeName).ExtractErr()
	if err != nil {
		glog.Errorf("Cannot delete volume %s: %v", volumeName, err)
	}
	return err
}

func (d *driver) Init(r *core.RexRay) error {
	d.r = r
	fields := ef()
	var err error

	if d.instanceID, err = getInstanceID(d.r.Config); err != nil {
		return err
	}

	fields["instanceId"] = d.instanceID

	if d.regionName() == "" {
		if d.region, err = getInstanceRegion(d.r.Config); err != nil {
			return err
		}
	} else {
		d.region = d.regionName()
	}
	fields["region"] = d.region

	if d.availabilityZoneName() == "" {
		if d.availabilityZone, err = getInstanceAvailabilityZone(); err != nil {
			return err
		}
	} else {
		d.availabilityZone = d.availabilityZoneName()
	}
	fields["availabilityZone"] = d.availabilityZone

	authOpts := d.getAuthOptions()

	fields["identityEndpoint"] = d.authURL()
	fields["userId"] = d.userID()
	fields["userName"] = d.userName()
	if d.password() == "" {
		fields["password"] = ""
	} else {
		fields["password"] = "******"
	}
	fields["tenantId"] = d.tenantID()
	fields["tenantName"] = d.tenantName()
	fields["domainId"] = d.domainID()
	fields["domainName"] = d.domainName()

	if d.provider, err = openstack.AuthenticatedClient(authOpts); err != nil {
		return errors.WithFieldsE(fields,
			"error getting authenticated client", err)
	}

	if d.client, err = openstack.NewComputeV2(d.provider,
		gophercloud.EndpointOpts{Region: d.region}); err != nil {
		errors.WithFieldsE(fields, "error getting newComputeV2", err)
	}

	if d.clientBlockStorage, err = openstack.NewBlockStorageV1(d.provider,
		gophercloud.EndpointOpts{Region: d.region}); err != nil {
		return errors.WithFieldsE(fields,
			"error getting newBlockStorageV1", err)
	}

	log.WithField("provider", providerName).Info("storage driver initialized")

	return nil
}

func (c *Config) blockStorageV1Client(region string) (*gophercloud.ServiceClient, error) {
	return openstack.NewBlockStorageV1(c.osClient, gophercloud.EndpointOpts{
		Region:       region,
		Availability: c.getEndpointType(),
	})
}

func Init(cfg *config.Config) (storage.Driver, error) {

	fields := ef()
	instanceID, err := getInstanceID(cfg)
	if err != nil {
		return nil, err
	}
	fields["instanceId"] = instanceID

	region, err := getInstanceRegion(cfg)
	if err != nil {
		return nil, err
	}
	fields["region"] = region

	authOpts := getAuthOptions(cfg)

	fields["identityEndpoint"] = cfg.RackspaceAuthUrl
	fields["userId"] = cfg.RackspaceUserId
	fields["userName"] = cfg.RackspaceUserName
	if cfg.RackspacePassword == "" {
		fields["password"] = ""
	} else {
		fields["password"] = "******"
	}
	fields["tenantId"] = cfg.RackspaceTenantId
	fields["tenantName"] = cfg.RackspaceTenantName
	fields["domainId"] = cfg.RackspaceDomainId
	fields["domainName"] = cfg.RackspaceDomainName

	provider, err := openstack.AuthenticatedClient(authOpts)
	if err != nil {
		return nil,
			errors.WithFieldsE(fields, "error getting authenticated client", err)
	}

	region = strings.ToUpper(region)
	client, err := openstack.NewComputeV2(provider, gophercloud.EndpointOpts{
		Region: region,
	})
	if err != nil {
		return nil,
			errors.WithFieldsE(fields, "error getting newComputeV2", err)
	}

	clientBlockStorage, err := openstack.NewBlockStorageV1(provider, gophercloud.EndpointOpts{
		Region: region,
	})
	if err != nil {
		return nil, errors.WithFieldsE(
			fields, "error getting newBlockStorageV1", err)
	}

	driver := &Driver{
		Provider:           provider,
		Client:             client,
		ClientBlockStorage: clientBlockStorage,
		Region:             region,
		InstanceID:         instanceID,
		Config:             cfg,
	}

	return driver, nil
}