// 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")
}
func (d *driver) Volumes(
ctx types.Context,
opts *types.VolumesOpts) ([]*types.Volume, error) {
xiid := executor.GetInstanceID()
if serviceName, ok := context.ServiceName(ctx); ok && serviceName == Name {
if ld, ok := context.LocalDevices(ctx); ok {
ldm := ld.DeviceMap
if opts.Attachments {
iid := context.MustInstanceID(ctx)
if iid.ID == xiid.ID {
d.volumes[0].Attachments = []*types.VolumeAttachment{
&types.VolumeAttachment{
DeviceName: "/dev/xvda",
MountPoint: ldm["/dev/xvda"],
InstanceID: iid,
Status: "attached",
VolumeID: d.volumes[0].ID,
},
&types.VolumeAttachment{
DeviceName: "/dev/xvdb",
MountPoint: ldm["/dev/xvdb"],
InstanceID: iid,
Status: "attached",
VolumeID: d.volumes[1].ID,
},
&types.VolumeAttachment{
DeviceName: "/dev/xvdc",
MountPoint: ldm["/dev/xvdc"],
InstanceID: iid,
Status: "attached",
VolumeID: d.volumes[2].ID,
},
}
}
}
}
}
return d.volumes, nil
}
func (d *driver) VolumeInspect(
ctx types.Context,
volumeID string,
opts *types.VolumeInspectOpts) (*types.Volume, error) {
if volumeID == "" {
return nil, goof.New("no volumeID specified")
}
sdcMappedVolumes := make(map[string]string)
if opts.Attachments.Requested() {
if ld, ok := context.LocalDevices(ctx); ok {
sdcMappedVolumes = ld.DeviceMap
}
}
volumes, err := d.getVolume(volumeID, "", opts.Attachments)
if err != nil {
return nil, err
}
if len(volumes) == 0 {
return nil, nil
}
mapStoragePoolName, err := d.getStoragePoolIDs()
if err != nil {
return nil, err
}
mapProtectionDomainName, err := d.getProtectionDomainIDs()
if err != nil {
return nil, err
}
getStoragePoolName := func(ID string) string {
if pool, ok := mapStoragePoolName[ID]; ok {
return pool.Name
}
return ""
}
getProtectionDomainName := func(poolID string) string {
var ok bool
var pool *siotypes.StoragePool
if pool, ok = mapStoragePoolName[poolID]; !ok {
return ""
}
if protectionDomain, ok := mapProtectionDomainName[pool.ProtectionDomainID]; ok {
return protectionDomain.Name
}
return ""
}
var volumesSD []*types.Volume
for _, volume := range volumes {
var attachmentsSD []*types.VolumeAttachment
for _, attachment := range volume.MappedSdcInfo {
var deviceName string
if _, exists := sdcMappedVolumes[volume.ID]; exists {
deviceName = sdcMappedVolumes[volume.ID]
}
instanceID := &types.InstanceID{
ID: attachment.SdcID,
Driver: d.Name(),
}
attachmentSD := &types.VolumeAttachment{
VolumeID: volume.ID,
InstanceID: instanceID,
DeviceName: deviceName,
Status: "",
}
attachmentsSD = append(attachmentsSD, attachmentSD)
}
var IOPS int64
if len(volume.MappedSdcInfo) > 0 {
IOPS = int64(volume.MappedSdcInfo[0].LimitIops)
}
volumeSD := &types.Volume{
Name: volume.Name,
ID: volume.ID,
AvailabilityZone: getProtectionDomainName(volume.StoragePoolID),
Status: "",
Type: getStoragePoolName(volume.StoragePoolID),
IOPS: IOPS,
Size: int64(volume.SizeInKb / 1024 / 1024),
Attachments: attachmentsSD,
}
volumesSD = append(volumesSD, volumeSD)
}
return volumesSD[0], nil
}
func (d *driver) Volumes(
ctx types.Context,
opts *types.VolumesOpts) ([]*types.Volume, error) {
sdcMappedVolumes := make(map[string]string)
if opts.Attachments.Devices() {
if ld, ok := context.LocalDevices(ctx); ok {
sdcMappedVolumes = ld.DeviceMap
}
}
mapStoragePoolName, err := d.getStoragePoolIDs()
if err != nil {
return nil, err
}
mapProtectionDomainName, err := d.getProtectionDomainIDs()
if err != nil {
return nil, err
}
getStoragePoolName := func(ID string) string {
if pool, ok := mapStoragePoolName[ID]; ok {
return pool.Name
}
return ""
}
getProtectionDomainName := func(poolID string) string {
var ok bool
var pool *siotypes.StoragePool
if pool, ok = mapStoragePoolName[poolID]; !ok {
return ""
}
if pd, ok := mapProtectionDomainName[pool.ProtectionDomainID]; ok {
return pd.Name
}
return ""
}
volumes, err := d.getVolume("", "", 0)
if err != nil {
return []*types.Volume{}, err
}
var volumesSD []*types.Volume
for _, volume := range volumes {
var attachmentsSD []*types.VolumeAttachment
if opts.Attachments.Requested() {
for _, attachment := range volume.MappedSdcInfo {
instanceID := &types.InstanceID{
ID: attachment.SdcID,
Driver: d.Name(),
}
attachmentSD := &types.VolumeAttachment{
VolumeID: volume.ID,
InstanceID: instanceID,
Status: "",
}
if devName, ok := sdcMappedVolumes[volume.ID]; ok {
attachmentSD.DeviceName = devName
}
attachmentsSD = append(attachmentsSD, attachmentSD)
}
}
var IOPS int64
if len(volume.MappedSdcInfo) > 0 {
IOPS = int64(volume.MappedSdcInfo[0].LimitIops)
}
volumeSD := &types.Volume{
Name: volume.Name,
ID: volume.ID,
AvailabilityZone: getProtectionDomainName(volume.StoragePoolID),
Status: "",
Type: getStoragePoolName(volume.StoragePoolID),
IOPS: IOPS,
Size: int64(volume.SizeInKb / 1024 / 1024),
Attachments: attachmentsSD,
}
volumesSD = append(volumesSD, volumeSD)
}
return volumesSD, nil
}
// Volumes returns all volumes or a filtered list of volumes.
func (d *driver) getVolumeMapping(ctx types.Context) ([]*types.Volume, error) {
var (
err error
mapDiskByID map[string]string
mas []*vboxw.IMediumAttachment
m *vboxc.Machine
iid = context.MustInstanceID(ctx)
)
m, err = d.findMachineByInstanceID(ctx, iid)
if err != nil {
return nil, err
}
if err := m.Refresh(); err != nil {
return nil, err
}
defer m.Release()
ld, ok := context.LocalDevices(ctx)
if !ok {
return nil, goof.New("missing local devices")
}
mapDiskByID = ld.DeviceMap
mas, err = m.GetMediumAttachments()
if err != nil {
return nil, err
}
var blockDevices []*types.Volume
for _, ma := range mas {
medium := d.vbox.NewMedium(ma.Medium)
defer medium.Release()
mid, err := medium.GetID()
if err != nil {
return nil, err
}
smid := strings.Split(mid, "-")
if len(smid) == 0 {
continue
}
location, err := medium.GetLocation()
if err != nil {
return nil, err
}
var bdn string
var ok bool
if bdn, ok = mapDiskByID[smid[0]]; !ok {
continue
}
sdBlockDevice := &types.Volume{
Name: bdn,
ID: mid,
Status: location,
}
blockDevices = append(blockDevices, sdBlockDevice)
}
return blockDevices, nil
}
func (d *driver) getVolumeAttachments(
ctx types.Context,
volumeID string,
attachments types.VolumeAttachmentsTypes) (
[]*types.VolumeAttachment, error) {
if !attachments.Requested() {
return nil, nil
}
if volumeID == "" {
return nil, goof.New("missing volume ID")
}
resp, err := mustSession(ctx).DescribeMountTargets(
&awsefs.DescribeMountTargetsInput{
FileSystemId: aws.String(volumeID),
})
if err != nil {
return nil, err
}
var (
ld *types.LocalDevices
ldOK bool
)
if attachments.Devices() {
// Get local devices map from context
if ld, ldOK = context.LocalDevices(ctx); !ldOK {
return nil, errGetLocDevs
}
}
var atts []*types.VolumeAttachment
for _, mountTarget := range resp.MountTargets {
var (
dev string
status string
)
if ldOK {
// TODO(kasisnu): Check lifecycle state and build the path better
dev = *mountTarget.IpAddress + ":" + "/"
if _, ok := ld.DeviceMap[dev]; ok {
status = "Exported and Mounted"
} else {
status = "Exported and Unmounted"
}
} else {
status = "Exported"
}
attachmentSD := &types.VolumeAttachment{
VolumeID: *mountTarget.FileSystemId,
InstanceID: &types.InstanceID{
ID: *mountTarget.SubnetId,
Driver: d.Name(),
},
DeviceName: dev,
Status: status,
}
atts = append(atts, attachmentSD)
}
return atts, nil
}
// Converts EC2 API volumes to libStorage types.Volume
func (d *driver) toTypesVolume(
ctx types.Context,
ec2vols []*awsec2.Volume,
attachments types.VolumeAttachmentsTypes) ([]*types.Volume, error) {
var (
ld *types.LocalDevices
ldOK bool
)
if attachments.Devices() {
// Get local devices map from context
if ld, ldOK = context.LocalDevices(ctx); !ldOK {
return nil, errGetLocDevs
}
}
var volumesSD []*types.Volume
for _, volume := range ec2vols {
var attachmentsSD []*types.VolumeAttachment
if attachments.Requested() {
// Leave attachment's device name blank if attachments is false
for _, attachment := range volume.Attachments {
deviceName := ""
if attachments.Devices() {
// Compensate for kernel volume mapping i.e. change
// "/dev/sda" to "/dev/xvda"
deviceName = strings.Replace(
*attachment.Device, "sd",
ebsUtils.NextDeviceInfo.Prefix, 1)
// Keep device name if it is found in local devices
if _, ok := ld.DeviceMap[deviceName]; !ok {
deviceName = ""
}
}
attachmentSD := &types.VolumeAttachment{
VolumeID: *attachment.VolumeId,
InstanceID: &types.InstanceID{
ID: *attachment.InstanceId,
Driver: d.Name(),
},
DeviceName: deviceName,
Status: *attachment.State,
}
attachmentsSD = append(attachmentsSD, attachmentSD)
}
}
name := d.getName(volume.Tags)
volumeSD := &types.Volume{
Name: name,
ID: *volume.VolumeId,
AvailabilityZone: *volume.AvailabilityZone,
Encrypted: *volume.Encrypted,
Status: *volume.State,
Type: *volume.VolumeType,
Size: *volume.Size,
Attachments: attachmentsSD,
}
// Some volume types have no IOPS, so we get nil in volume.Iops
if volume.Iops != nil {
volumeSD.IOPS = *volume.Iops
}
volumesSD = append(volumesSD, volumeSD)
}
return volumesSD, nil
}
func (c *client) httpDo(
ctx types.Context,
method, path string,
payload, reply interface{}) (*http.Response, error) {
reqBody, err := encPayload(payload)
if err != nil {
return nil, err
}
url := fmt.Sprintf("http://%s%s", c.host, path)
req, err := http.NewRequest(method, url, reqBody)
if err != nil {
return nil, err
}
ctx = context.RequireTX(ctx)
tx := context.MustTransaction(ctx)
ctx = ctx.WithValue(transactionHeaderKey, tx)
if iid, ok := context.InstanceID(ctx); ok {
ctx = ctx.WithValue(instanceIDHeaderKey, iid)
} else if iidMap, ok := ctx.Value(
context.AllInstanceIDsKey).(types.InstanceIDMap); ok {
if len(iidMap) > 0 {
var iids []fmt.Stringer
for _, iid := range iidMap {
iids = append(iids, iid)
}
ctx = ctx.WithValue(instanceIDHeaderKey, iids)
}
}
if lds, ok := context.LocalDevices(ctx); ok {
ctx = ctx.WithValue(localDevicesHeaderKey, lds)
} else if ldsMap, ok := ctx.Value(
context.AllLocalDevicesKey).(types.LocalDevicesMap); ok {
if len(ldsMap) > 0 {
var ldsess []fmt.Stringer
for _, lds := range ldsMap {
ldsess = append(ldsess, lds)
}
ctx = ctx.WithValue(localDevicesHeaderKey, ldsess)
}
}
for key := range context.CustomHeaderKeys() {
var headerName string
switch tk := key.(type) {
case string:
headerName = tk
case fmt.Stringer:
headerName = tk.String()
default:
headerName = fmt.Sprintf("%v", key)
}
if headerName == "" {
continue
}
val := ctx.Value(key)
switch tv := val.(type) {
case string:
req.Header.Add(headerName, tv)
case fmt.Stringer:
req.Header.Add(headerName, tv.String())
case []string:
for _, sv := range tv {
req.Header.Add(headerName, sv)
}
case []fmt.Stringer:
for _, sv := range tv {
req.Header.Add(headerName, sv.String())
}
default:
if val != nil {
req.Header.Add(headerName, fmt.Sprintf("%v", val))
}
}
}
c.logRequest(req)
res, err := ctxhttp.Do(ctx, &c.Client, req)
if err != nil {
return nil, err
}
defer c.setServerName(res)
c.logResponse(res)
if res.StatusCode > 299 {
httpErr, err := goof.DecodeHTTPError(res.Body)
if err != nil {
return res, goof.WithField("status", res.StatusCode, "http error")
}
return res, httpErr
}
if req.Method != http.MethodHead && reply != nil {
if err := decRes(res.Body, reply); err != nil {
return nil, err
}
}
return res, nil
}