func (d *driver) detachVolume(
ctx types.Context, volumeID, volumeName string) error {
iid := context.MustInstanceID(ctx)
m, err := d.findMachineByInstanceID(ctx, iid)
if err != nil {
return err
}
if err := m.Refresh(); err != nil {
return err
}
defer m.Release()
media, err := d.vbox.GetMedium(volumeID, volumeName)
if err != nil {
return err
}
if len(media) == 0 {
return goof.New("no volume returned")
}
if len(media) > 1 {
return goof.New("too many volumes returned")
}
if err := media[0].DetachMachines(); err != nil {
return err
}
return nil
}
func (d *driver) detachVolume(volumeID, volumeName string) error {
d.m.Lock()
defer d.m.Unlock()
d.checkSession()
medium, err := d.virtualbox.GetMedium(volumeID, volumeName)
if err != nil {
return err
}
if len(medium) == 0 {
return goof.New("no volume returned")
} else if len(medium) > 1 {
return goof.New("too many volumes returned")
}
if err := d.machine.Refresh(); err != nil {
return err
}
defer d.machine.Release()
if err := medium[0].DetachMachines(); err != nil {
return err
}
return nil
}
func (d *driver) prefixToMountUnmount(
volumeName,
volumeID string) ([]*core.Volume, []*core.VolumeAttachment, *core.Instance, error) {
if volumeName == "" && volumeID == "" {
return nil, nil, nil, goof.New("Missing volume name or ID")
}
var instance *core.Instance
var err error
if instance, err = d.getInstance(); err != nil {
return nil, nil, nil, err
}
var vols []*core.Volume
if vols, err = d.r.Storage.GetVolume(volumeID, volumeName); err != nil {
return nil, nil, nil, err
}
switch {
case len(vols) == 0:
return nil, nil, nil, goof.New("No volumes returned by name")
case len(vols) > 1:
return nil, nil, nil, goof.New("Multiple volumes returned by name")
}
var volAttachments []*core.VolumeAttachment
if volAttachments, err = d.r.Storage.GetVolumeAttach(
vols[0].VolumeID, instance.InstanceID); err != nil {
return nil, nil, nil, err
}
return vols, volAttachments, instance, nil
}
// NetworkName will return relevant information about how a volume can be discovered on an OS
func (d *driver) NetworkName(volumeName, instanceID string) (string, error) {
log.WithFields(log.Fields{
"volumeName": volumeName,
"instanceID": instanceID,
"driverName": d.Name()}).Info("returning network name")
volumes, err := d.r.Storage.GetVolume("", volumeName)
if err != nil {
return "", err
}
switch {
case len(volumes) == 0:
return "", goof.New("No volumes returned by name")
case len(volumes) > 1:
return "", goof.New("Multiple volumes returned by name")
}
volumeAttachment, err := d.r.Storage.GetVolumeAttach(
volumes[0].VolumeID, instanceID)
if err != nil {
return "", err
}
if len(volumeAttachment) == 0 {
return "", goof.New("Volume not attached")
}
volumes, err = d.r.Storage.GetVolume("", volumeName)
if err != nil {
return "", err
}
return volumes[0].NetworkName, nil
}
// Attach will attach a volume to an instance
func (d *driver) Attach(volumeName, instanceID string, force bool) (string, error) {
log.WithFields(log.Fields{
"volumeName": volumeName,
"instanceID": instanceID,
"driverName": d.Name()}).Info("attaching volume")
volumes, err := d.r.Storage.GetVolume("", volumeName)
if err != nil {
return "", err
}
switch {
case len(volumes) == 0:
return "", goof.New("No volumes returned by name")
case len(volumes) > 1:
return "", goof.New("Multiple volumes returned by name")
}
_, err = d.r.Storage.AttachVolume(true, volumes[0].VolumeID, instanceID, force)
if err != nil {
return "", err
}
volumes, err = d.r.Storage.GetVolume("", volumeName)
if err != nil {
return "", err
}
return volumes[0].NetworkName, nil
}
func (d *driver) CreateVolume(
runAsync bool,
volumeName, volumeID, snapshotID, NUvolumeType string,
NUIOPS, size int64, NUavailabilityZone string) (*core.Volume, error) {
exists, err := d.volumeExists(volumeName)
if err != nil && !exists {
return nil, err
} else if exists {
return nil, err
}
PostVolRequest := &govmax.PostVolumesReq{
PostVolumesRequestContent: &govmax.PostVolumesReqContent{
AtType: "http://schemas.emc.com/ecom/edaa/root/emc/Symm_StorageConfigurationService",
ElementName: d.prefixVolumeName(volumeName),
ElementType: "2",
EMCNumberOfDevices: "1",
Size: strconv.Itoa(int(size * 1024 * 1024 * 1024)),
},
}
queuedJob, _, err := d.client.PostVolumes(PostVolRequest, d.arrayID)
if err != nil {
return nil, goof.WithError("error creating volume", err)
}
if len(queuedJob.Entries) == 0 {
return nil, goof.New("no jobs returned")
}
if !runAsync {
jobStatusResp, err := d.waitJob(queuedJob.Entries[0].Content.I_Parameters.I_Job.E0_InstanceID)
if err != nil {
return nil, err
}
if len(jobStatusResp.Entries) == 0 {
return nil, goof.New("no volume returned")
}
fields := strings.Split(jobStatusResp.Entries[0].Content.I_Description, "Output: DeviceIDs=")
if len(fields) < 2 {
return nil, goof.New("new volumeID not found")
}
volume, err := d.GetVolume(fields[1], "")
if err != nil {
return nil, err
}
if len(volume) == 0 {
return nil, goof.New("no new volume returned")
}
return volume[0], nil
}
return nil, nil
}
func (d *driver) waitAttach(volumeID string) (*core.BlockDevice, error) {
volumes, err := d.GetVolume(volumeID, "")
if err != nil {
return nil, err
}
if len(volumes) == 0 {
return nil, goof.New("no volumes returned")
}
timeout := make(chan bool, 1)
go func() {
time.Sleep(10 * time.Second)
timeout <- true
}()
successCh := make(chan *core.BlockDevice, 1)
errorCh := make(chan error, 1)
go func(volumeID string) {
log.Println("XtremIO: waiting for volume attach")
for {
if d.multipath() {
_, _ = exec.Command("/sbin/multipath", "-f",
fmt.Sprintf("3%s", volumes[0].NetworkName)).Output()
_, _ = exec.Command("/sbin/multipath").Output()
}
blockDevices, err := d.GetVolumeMapping()
if err != nil {
errorCh <- goof.Newf(
"problem getting local block devices: %s", err)
return
}
for _, blockDevice := range blockDevices {
if blockDevice.VolumeID == volumeID {
successCh <- blockDevice
return
}
}
time.Sleep(100 * time.Millisecond)
}
}(volumeID)
select {
case blockDevice := <-successCh:
log.Println(fmt.Sprintf("XtremIO: got attachedVolume %s at %s",
blockDevice.VolumeID, blockDevice.DeviceName))
return blockDevice, nil
case err := <-errorCh:
return nil, err
case <-timeout:
return nil, goof.New("timed out waiting for mount")
}
}
// VolumeAttach attaches a volume.
func (d *driver) VolumeAttach(
ctx types.Context,
volumeID string,
opts *types.VolumeAttachOpts) (*types.Volume, string, error) {
if err := d.refreshSession(ctx); err != nil {
return nil, "", err
}
if volumeID == "" {
return nil, "", goof.New("missing volume id")
}
// review volume with attachments to any host
volumes, err := d.getVolume(ctx, volumeID, "", types.VolAttReq)
if err != nil {
return nil, "", err
}
if len(volumes) == 0 {
return nil, "", goof.New("no volume found")
}
if len(volumes[0].Attachments) > 0 && !opts.Force {
return nil, "", goof.New("volume already attached to a host")
}
if opts.Force {
if _, err := d.VolumeDetach(ctx, volumeID, nil); err != nil {
return nil, "", err
}
}
err = d.attachVolume(ctx, volumeID, "")
if err != nil {
return nil, "", goof.WithFieldsE(
log.Fields{
"provider": vbox.Name,
"volumeID": volumeID},
"error attaching volume",
err,
)
}
volumes, err = d.getVolume(ctx, volumeID, "", types.VolAttReqTrue)
if err != nil {
return nil, "", err
}
if len(volumes) == 0 {
return nil, "", err
}
svid := strings.Split(volumes[0].ID, "-")
return volumes[0], svid[0], nil
}
func (d *driver) AttachVolume(
notused bool,
volumeID, instanceID string, force bool) ([]*core.VolumeAttachment, error) {
// sanity check the input
if volumeID == "" {
return nil, errors.ErrMissingVolumeID
}
if instanceID == "" {
return nil, goof.New("Missing Instance ID")
}
// ensure the volume exists and is exported
volumes, err := d.GetVolume(volumeID, "")
if err != nil {
return nil, err
}
if len(volumes) == 0 {
return nil, errors.ErrNoVolumesReturned
}
if err := d.client.ExportVolume(volumeID); err != nil {
return nil, goof.WithError("problem exporting volume", err)
}
// see if anyone is attached already
clients, err := d.client.GetExportClients(volumeID)
if err != nil {
return nil, goof.WithError("problem getting export client", err)
}
// clear out any existing clients if necessary. if force is false and
// we have existing clients, we need to exit.
if len(clients) > 0 {
if force == false {
return nil, goof.New("Volume already attached to another host")
}
// remove all clients
err = d.client.ClearExportClients(volumeID)
if err != nil {
return nil, err
}
}
err = d.client.SetExportClients(volumeID, parseInstanceId(instanceID))
if err != nil {
return nil, err
}
volumeAttachment, err := d.GetVolumeAttach(volumeID, instanceID)
if err != nil {
return nil, err
}
return volumeAttachment, nil
}
// Path returns the mounted path of the volume
func (d *driver) Path(volumeName, volumeID string) (string, error) {
log.WithFields(log.Fields{
"volumeName": volumeName,
"volumeID": volumeID,
"driverName": d.Name()}).Info("getting path to volume")
if volumeName == "" && volumeID == "" {
return "", goof.New("Missing volume name or ID")
}
instances, err := d.r.Storage.GetInstances()
if err != nil {
return "", err
}
switch {
case len(instances) == 0:
return "", goof.New("No instances")
case len(instances) > 1:
return "", goof.New("Too many instances returned, limit the storagedrivers")
}
volumes, err := d.r.Storage.GetVolume(volumeID, volumeName)
if err != nil {
return "", err
}
switch {
case len(volumes) == 0:
return "", goof.New("No volumes returned by name")
case len(volumes) > 1:
return "", goof.New("Multiple volumes returned by name")
}
volumeAttachment, err := d.r.Storage.GetVolumeAttach(volumes[0].VolumeID, instances[0].InstanceID)
if err != nil {
return "", err
}
if len(volumeAttachment) == 0 {
return "", nil
}
mounts, err := d.r.OS.GetMounts(volumeAttachment[0].DeviceName, "")
if err != nil {
return "", err
}
if len(mounts) == 0 {
return "", nil
}
return d.volumeMountPath(mounts[0].Mountpoint), nil
}
// VolumeCreate creates a new volume.
func (d *driver) VolumeCreate(ctx types.Context, volumeName string,
opts *types.VolumeCreateOpts) (*types.Volume, error) {
d.Lock()
defer d.Unlock()
if err := d.refreshSession(ctx); err != nil {
return nil, err
}
if opts.Size == nil {
return nil, goof.New("missing volume size")
}
fields := map[string]interface{}{
"provider": vbox.Name,
"volumeName": volumeName,
"size": *opts.Size,
}
size := *opts.Size * 1024 * 1024 * 1024
vol, err := d.getVolume(ctx, "", volumeName, types.VolAttFalse)
if err != nil {
return nil, err
}
if vol != nil {
return nil, goof.New("volume already exists")
}
med, err := d.createVolume(ctx, volumeName, size)
if err != nil {
return nil, goof.WithFieldsE(fields, "error creating new volume", err)
}
var iops int64
if opts.IOPS != nil {
iops = *opts.IOPS
}
newVol := &types.Volume{
ID: med.ID,
Name: med.Name,
Size: med.LogicalSize / 1024 / 1024 / 1024,
IOPS: iops,
Type: string(med.DeviceType),
}
return newVol, nil
}
func getVolumeMountPath(name string) (string, error) {
if name == "" {
return "", goof.New("Missing volume name")
}
return fmt.Sprintf("%s/%s", mountDirectoryPath, name), nil
}
func (d *driver) Volumes(
ctx types.Context,
opts *types.VolumesOpts) ([]*types.Volume, error) {
context.MustSession(ctx)
iid, iidOK := context.InstanceID(ctx)
if iidOK {
if iid.ID == "" {
return nil, goof.New("missing instance ID")
}
}
volJSONPaths, err := d.getVolJSONs()
if err != nil {
return nil, err
}
volumes := []*types.Volume{}
for _, volJSONPath := range volJSONPaths {
v, err := readVolume(volJSONPath)
if err != nil {
return nil, err
}
if opts.Attachments > 0 {
v.AttachmentState = 0
}
volumes = append(volumes, v)
}
return utils.SortVolumeByID(volumes), nil
}
func (d *driver) RemoveVolume(volumeID string) error {
fields := eff(map[string]interface{}{
"volumeID": volumeID,
})
deleteVolumeRequest := &govmax.DeleteVolReq{
DeleteVolRequestContent: &govmax.DeleteVolReqContent{
AtType: "http://schemas.emc.com/ecom/edaa/root/emc/Symm_StorageConfigurationService",
DeleteVolRequestContentElement: &govmax.DeleteVolReqContentElement{
AtType: "http://schemas.emc.com/ecom/edaa/root/emc/Symm_StorageVolume",
DeviceID: volumeID,
CreationClassName: "Symm_StorageVolume",
SystemName: "SYMMETRIX-+-" + d.arrayID,
SystemCreationClassName: "Symm_StorageSystem",
},
},
}
queuedJob, err := d.client.PostDeleteVol(deleteVolumeRequest, d.arrayID)
if err != nil {
return goof.WithFieldsE(fields, "error deleteing volume", err)
}
if len(queuedJob.Entries) == 0 {
return goof.New("no jobs returned")
}
_, err = d.waitJob(queuedJob.Entries[0].Content.I_Parameters.I_Job.E0_InstanceID)
if err != nil {
return err
}
log.Println("Deleted Volume: " + volumeID)
return nil
}
func (d *driver) CreateSnapshot(
runAsync bool,
snapshotName, volumeID, description string) ([]*core.Snapshot, error) {
log.WithField("provider", providerName).Debug("CreateSnapshot")
volumes, err := d.GetVolume(volumeID, "")
if len(volumes) == 0 {
return nil, goof.New("no volume returned by ID")
}
if err := d.createSnapshot(runAsync, snapshotName, volumes[0]); err != nil {
return nil, err
}
snapshot, err := d.GetSnapshot("", snapshotName, "")
if err != nil {
return nil, err
}
log.WithFields(log.Fields{
"runAsync": runAsync,
"snapshotName": snapshotName,
"volumeId": volumeID,
"description": description}).Debug("created snapshot")
return snapshot, nil
}
func (d *driver) waitUntilOperationIsFinished(operation *compute.Operation) error {
opName := operation.Name
OpLoop:
for {
time.Sleep(100 * time.Millisecond)
op, err := d.client.ZoneOperations.Get(d.project, d.zone, opName).Do()
if err != nil {
return err
}
switch op.Status {
case "PENDING", "RUNNING":
continue
case "DONE":
if op.Error != nil {
bytea, _ := op.Error.MarshalJSON()
return goof.New(string(bytea))
}
break OpLoop
default:
log.WithField("provider", providerName).Fatalf("Unknown status %q: %+v", op.Status, op)
return nil
}
}
return nil
}
func (d *driver) getInstance() (*core.Instance, error) {
instances, err := d.r.Storage.GetInstances()
if err != nil {
return nil, err
}
switch {
case len(instances) == 0:
return nil, goof.New("No instances")
case len(instances) > 1:
return nil,
goof.New("Too many instances returned, limit the storagedrivers")
}
return instances[0], nil
}
func (d *driver) findMachineByNameOrID(
ctx types.Context, nameOrID string) (*vboxc.Machine, error) {
ctx.WithField("nameOrID", nameOrID).Debug("finding local machine")
m, err := d.vbox.FindMachine(nameOrID)
if err != nil {
return nil, err
}
if m == nil {
return nil, goof.New("could not find machine")
}
if id, err := m.GetID(); err == nil {
m.ID = id
} else {
return nil, err
}
if name, err := m.GetName(); err == nil {
m.Name = name
} else {
return nil, err
}
return m, nil
}
//Added if statement for vmh mode
func (d *driver) DetachVolume(runAsync bool, volumeID string, blank string, notused bool) error {
volumes, err := d.GetVolume(volumeID, "")
if err != nil {
return err
}
if len(volumes) == 0 {
return goof.New("volume not found")
}
if d.vmh != nil {
if err := d.deleteScsiDevice(volumes[0].NetworkName); err != nil {
return goof.WithError("error deleting scsi device from host", err)
}
if err := d.vmh.DetachRDM(d.vmh.Vm, volumes[0].NetworkName); err != nil {
return goof.WithError("error removing RDM from vm", err)
}
}
if err := d.detachVolumeFromSG(runAsync, volumeID); err != nil {
return goof.WithError("error detaching volume from storage group", err)
}
log.Println("Detached volume", volumeID)
return nil
}
func (d *driver) getVolumeMountPath(volumeName string) (string, error) {
if volumeName == "" {
return "", goof.New("missing volume name")
}
return path.Join(d.mountDirPath(), volumeName), nil
}
func (c *client) NextDevice(
ctx types.Context,
opts types.Store) (string, error) {
if c.isController() {
return "", utils.NewUnsupportedForClientTypeError(
c.clientType, "NextDevice")
}
if supported, _ := c.Supported(ctx, opts); !supported {
return "", errExecutorNotSupported
}
ctx = context.RequireTX(ctx.Join(c.ctx))
serviceName, ok := context.ServiceName(ctx)
if !ok {
return "", goof.New("missing service name")
}
si, err := c.getServiceInfo(serviceName)
if err != nil {
return "", err
}
driverName := si.Driver.Name
out, err := c.runExecutor(ctx, driverName, types.LSXCmdNextDevice)
if err != nil {
return "", err
}
ctx.Debug("xli nextdevice success")
return gotil.Trim(string(out)), nil
}
func (d *driver) CopySnapshot(
runAsync bool,
volumeID, snapshotID,
snapshotName, destinationSnapshotName,
destinationRegion string) (*core.Snapshot, error) {
return nil, goof.New("This driver does not implement CopySnapshot")
}
func (d *driver) VolumeAttach(
ctx types.Context,
volumeID string,
opts *types.VolumeAttachOpts) (*types.Volume, string, error) {
if d.isController() {
return nil, "", utils.NewUnsupportedForClientTypeError(
d.clientType, "VolumeAttach")
}
ctx = d.requireCtx(ctx)
serviceName, ok := context.ServiceName(ctx)
if !ok {
return nil, "", goof.New("missing service name")
}
nextDevice, err := d.NextDevice(ctx, utils.NewStore())
if err != nil {
return nil, "", err
}
var nextDevicePtr *string
if nextDevice != "" {
nextDevicePtr = &nextDevice
}
req := &types.VolumeAttachRequest{
NextDeviceName: nextDevicePtr,
Force: opts.Force,
Opts: opts.Opts.Map(),
}
return d.client.VolumeAttach(ctx, serviceName, volumeID, req)
}
func (d *driver) getLunMaps(initiatorName, volumeID string) (xtio.Refs, error) {
if initiatorName == "" {
return nil, goof.New("Missing initiatorName")
}
initiatorGroup, err := d.client.GetInitiatorGroup("", initiatorName)
if err != nil {
return nil, err
}
lunMaps, err := d.client.GetLunMaps()
if err != nil {
return nil, err
}
var refs xtio.Refs
for _, ref := range lunMaps {
idents := strings.Split(ref.Name, "_")
if len(idents) < 3 {
continue
} else if strconv.Itoa(initiatorGroup.Index) == idents[1] && volumeID == idents[0] {
refs = append(refs, ref)
}
}
return refs, nil
}
func (r *configReg) Key(
keyType types.ConfigKeyTypes,
short string,
defVal interface{},
description string,
keys ...interface{}) {
lk := len(keys)
if lk == 0 {
panic(goof.New("keys is empty"))
}
rk := &configRegKey{
keyType: keyType,
short: short,
desc: description,
defVal: defVal,
keyName: toString(keys[0]),
}
if keyType == types.SecureString {
secureKey(rk)
}
if lk < 2 {
kp := strings.Split(rk.keyName, ".")
for x, s := range kp {
if x == 0 {
var buff []byte
b := bytes.NewBuffer(buff)
for y, r := range s {
if y == 0 {
b.WriteRune(unicode.ToLower(r))
} else {
b.WriteRune(r)
}
}
kp[x] = b.String()
} else {
kp[x] = strings.Title(s)
}
}
rk.flagName = strings.Join(kp, "")
} else {
rk.flagName = toString(keys[1])
}
if lk < 3 {
kp := strings.Split(rk.keyName, ".")
for x, s := range kp {
kp[x] = strings.ToUpper(s)
}
rk.envVarName = strings.Join(kp, "_")
} else {
rk.envVarName = toString(keys[2])
}
r.keys = append(r.keys, rk)
}
// Create will create a new volume with the volumeName and opts.
func (d *driver) Create(
ctx types.Context,
volumeName string,
opts *types.VolumeCreateOpts) (*types.Volume, error) {
if volumeName == "" {
return nil, goof.New("missing volume name or ID")
}
optsNew := &types.VolumeCreateOpts{}
az := d.availabilityZone()
optsNew.AvailabilityZone = &az
i, _ := strconv.Atoi(d.size())
size := int64(i)
optsNew.Size = &size
volumeType := d.volumeType()
optsNew.Type = &volumeType
io, _ := strconv.Atoi(d.iops())
IOPS := int64(io)
optsNew.IOPS = &IOPS
if opts.Opts.IsSet("availabilityZone") {
az = opts.Opts.GetString("availabilityZone")
}
if opts.Opts.IsSet("size") {
size = opts.Opts.GetInt64("size")
}
if opts.Opts.IsSet("volumeType") {
volumeType = opts.Opts.GetString("volumeType")
}
if opts.Opts.IsSet("type") {
volumeType = opts.Opts.GetString("type")
}
if opts.Opts.IsSet("iops") {
IOPS = opts.Opts.GetInt64("iops")
}
optsNew.Opts = opts.Opts
ctx.WithFields(log.Fields{
"volumeName": volumeName,
"availabilityZone": az,
"size": size,
"volumeType": volumeType,
"IOPS": IOPS,
"opts": opts}).Info("creating volume")
client := context.MustClient(ctx)
vol, err := client.Storage().VolumeCreate(ctx, volumeName, optsNew)
if err != nil {
return nil, err
}
ctx.WithFields(log.Fields{
"volumeName": volumeName,
"vol": vol}).Info("volume created")
return vol, nil
}
func (d *driver) waitJob(instanceID string) (*govmax.GetJobStatusResp, error) {
timeout := make(chan bool, 1)
go func() {
time.Sleep(jobTimeout * time.Second)
timeout <- true
}()
successCh := make(chan *govmax.GetJobStatusResp, 1)
errorCh := make(chan struct {
err error
jobStatusResp *govmax.GetJobStatusResp
}, 1)
go func(instanceID string) {
log.Println("waiting for job to complete")
for {
jobStatusResp, jobStatus, err := d.client.GetJobStatus(instanceID)
if err != nil {
errorCh <- struct {
err error
jobStatusResp *govmax.GetJobStatusResp
}{
goof.WithError(
"error getting job status", err),
nil,
}
}
switch {
case jobStatus == "TERMINATED" || jobStatus == "KILLED" ||
jobStatus == "EXCEPTION":
errorCh <- struct {
err error
jobStatusResp *govmax.GetJobStatusResp
}{
goof.Newf(
"problem with job: %s", jobStatus),
jobStatusResp,
}
return
case jobStatus == "COMPLETED":
successCh <- jobStatusResp
return
}
time.Sleep(100 * time.Millisecond)
}
}(instanceID)
select {
case jobStatusResp := <-successCh:
return jobStatusResp, nil
case jobStatusRespErr := <-errorCh:
return jobStatusRespErr.jobStatusResp, jobStatusRespErr.err
case <-timeout:
return nil, goof.New("timed out waiting for job")
}
}
// LocalDevices returns a map of the system's local devices.
func (d *driver) LocalDevices(
ctx types.Context, opts types.Store) (*types.LocalDevices, error) {
if ld, ok := context.LocalDevices(ctx); ok {
return ld, nil
}
return nil, goof.New("missing local devices")
}
// Remove will remove a remote volume
func (d *driver) Remove(volumeName string) error {
log.WithFields(log.Fields{
"volumeName": volumeName,
"driverName": d.Name()}).Info("removing volume")
if volumeName == "" {
return goof.New("Missing volume name")
}
instances, err := d.r.Storage.GetInstances()
if err != nil {
return err
}
switch {
case len(instances) == 0:
return goof.New("No instances")
case len(instances) > 1:
return goof.New("Too many instances returned, limit the storagedrivers")
}
volumes, err := d.r.Storage.GetVolume("", volumeName)
if err != nil {
return err
}
switch {
case len(volumes) == 0:
return goof.New("No volumes returned by name")
case len(volumes) > 1:
return goof.New("Multiple volumes returned by name")
}
err = d.Unmount("", volumes[0].VolumeID)
if err != nil {
return err
}
err = d.r.Storage.RemoveVolume(volumes[0].VolumeID)
if err != nil {
return err
}
return nil
}
func (d *driver) createGetInstance() error {
var err error
var instances []*core.Instance
if instances, err = d.r.Storage.GetInstances(); err != nil {
return err
}
switch {
case len(instances) == 0:
return goof.New("No instances")
case len(instances) > 1:
return goof.New(
"Too many instances returned, limit the storagedrivers")
}
return nil
}