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rbd: implement GetMirrorSource in manager

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implementing GetMirrorSource in manager
to return volume or the volumegroup based
on the replication source, if replication
source is nil return the volume details
for backward compatibility.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna
2024-11-19 11:26:00 +01:00
parent 9575e5ace8
commit 3afb22c8ac
6 changed files with 241 additions and 157 deletions
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219
internal/csi-addons/rbd/replication.go
View File

@ -257,9 +257,9 @@ func validateSchedulingInterval(interval string) error {
func (rs *ReplicationServer) EnableVolumeReplication(ctx context.Context,
req *replication.EnableVolumeReplicationRequest,
) (*replication.EnableVolumeReplicationResponse, error) {
volumeID := csicommon.GetIDFromReplication(req)
if volumeID == "" {
return nil, status.Error(codes.InvalidArgument, "empty volume ID in request")
reqID := csicommon.GetIDFromReplication(req)
if reqID == "" {
return nil, status.Error(codes.InvalidArgument, "empty ID in request")
}
cr, err := util.NewUserCredentials(req.GetSecrets())
if err != nil {
@ -272,24 +272,23 @@ func (rs *ReplicationServer) EnableVolumeReplication(ctx context.Context,
return nil, err
}
if acquired := rs.VolumeLocks.TryAcquire(volumeID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, volumeID)
if acquired := rs.VolumeLocks.TryAcquire(reqID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, reqID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, volumeID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, reqID)
}
defer rs.VolumeLocks.Release(volumeID)
defer rs.VolumeLocks.Release(reqID)
mgr := rbd.NewManager(rs.driverInstance, req.GetParameters(), req.GetSecrets())
defer mgr.Destroy(ctx)
rbdVol, err := mgr.GetVolumeByID(ctx, volumeID)
volumes, mirror, err := mgr.GetMirrorSource(ctx, reqID, req.GetReplicationSource())
if err != nil {
log.ErrorLog(ctx, "failed to get mirror source with id %q: %v", reqID, err)
return nil, getGRPCError(err)
}
mirror, err := rbdVol.ToMirror()
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
defer destoryVolumes(ctx, volumes)
// extract the mirroring mode
mirroringMode, err := getMirroringMode(ctx, req.GetParameters())
@ -309,10 +308,10 @@ func (rs *ReplicationServer) EnableVolumeReplication(ctx context.Context,
return nil, status.Error(codes.Internal, err.Error())
}
if info.GetState() != librbd.MirrorImageEnabled.String() {
for _, rbdVol := range volumes {
err = rbdVol.HandleParentImageExistence(ctx, flattenMode)
if err != nil {
log.ErrorLog(ctx, err.Error())
err = fmt.Errorf("failed to handle parent image for volume group %q: %w", mirror, err)
return nil, getGRPCError(err)
}
err = mirror.EnableMirroring(ctx, mirroringMode)
@ -322,6 +321,7 @@ func (rs *ReplicationServer) EnableVolumeReplication(ctx context.Context,
return nil, status.Error(codes.Internal, err.Error())
}
}
}
return &replication.EnableVolumeReplicationResponse{}, nil
}
@ -332,9 +332,9 @@ func (rs *ReplicationServer) EnableVolumeReplication(ctx context.Context,
func (rs *ReplicationServer) DisableVolumeReplication(ctx context.Context,
req *replication.DisableVolumeReplicationRequest,
) (*replication.DisableVolumeReplicationResponse, error) {
volumeID := csicommon.GetIDFromReplication(req)
if volumeID == "" {
return nil, status.Error(codes.InvalidArgument, "empty volume ID in request")
reqID := csicommon.GetIDFromReplication(req)
if reqID == "" {
return nil, status.Error(codes.InvalidArgument, "empty ID in request")
}
cr, err := util.NewUserCredentials(req.GetSecrets())
if err != nil {
@ -342,24 +342,23 @@ func (rs *ReplicationServer) DisableVolumeReplication(ctx context.Context,
}
defer cr.DeleteCredentials()
if acquired := rs.VolumeLocks.TryAcquire(volumeID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, volumeID)
if acquired := rs.VolumeLocks.TryAcquire(reqID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, reqID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, volumeID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, reqID)
}
defer rs.VolumeLocks.Release(volumeID)
defer rs.VolumeLocks.Release(reqID)
mgr := rbd.NewManager(rs.driverInstance, req.GetParameters(), req.GetSecrets())
defer mgr.Destroy(ctx)
rbdVol, err := mgr.GetVolumeByID(ctx, volumeID)
volumes, mirror, err := mgr.GetMirrorSource(ctx, reqID, req.GetReplicationSource())
if err != nil {
log.ErrorLog(ctx, "failed to get mirror source with id %q: %v", reqID, err)
return nil, getGRPCError(err)
}
mirror, err := rbdVol.ToMirror()
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
defer destoryVolumes(ctx, volumes)
// extract the force option
force, err := getForceOption(ctx, req.GetParameters())
@ -378,7 +377,7 @@ func (rs *ReplicationServer) DisableVolumeReplication(ctx context.Context,
case librbd.MirrorImageDisabled.String():
// image mirroring is still disabling
case librbd.MirrorImageDisabling.String():
return nil, status.Errorf(codes.Aborted, "%s is in disabling state", volumeID)
return nil, status.Errorf(codes.Aborted, "%s is in disabling state", reqID)
case librbd.MirrorImageEnabled.String():
err = corerbd.DisableVolumeReplication(mirror, ctx, info.IsPrimary(), force)
if err != nil {
@ -400,9 +399,9 @@ func (rs *ReplicationServer) DisableVolumeReplication(ctx context.Context,
func (rs *ReplicationServer) PromoteVolume(ctx context.Context,
req *replication.PromoteVolumeRequest,
) (*replication.PromoteVolumeResponse, error) {
volumeID := csicommon.GetIDFromReplication(req)
if volumeID == "" {
return nil, status.Error(codes.InvalidArgument, "empty volume ID in request")
reqID := csicommon.GetIDFromReplication(req)
if reqID == "" {
return nil, status.Error(codes.InvalidArgument, "empty ID in request")
}
cr, err := util.NewUserCredentials(req.GetSecrets())
if err != nil {
@ -410,24 +409,23 @@ func (rs *ReplicationServer) PromoteVolume(ctx context.Context,
}
defer cr.DeleteCredentials()
if acquired := rs.VolumeLocks.TryAcquire(volumeID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, volumeID)
if acquired := rs.VolumeLocks.TryAcquire(reqID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, reqID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, volumeID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, reqID)
}
defer rs.VolumeLocks.Release(volumeID)
defer rs.VolumeLocks.Release(reqID)
mgr := rbd.NewManager(rs.driverInstance, req.GetParameters(), req.GetSecrets())
defer mgr.Destroy(ctx)
rbdVol, err := mgr.GetVolumeByID(ctx, volumeID)
volumes, mirror, err := mgr.GetMirrorSource(ctx, reqID, req.GetReplicationSource())
if err != nil {
log.ErrorLog(ctx, "failed to get mirror source with id %q: %v", reqID, err)
return nil, getGRPCError(err)
}
mirror, err := rbdVol.ToMirror()
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
defer destoryVolumes(ctx, volumes)
info, err := mirror.GetMirroringInfo(ctx)
if err != nil {
@ -440,7 +438,7 @@ func (rs *ReplicationServer) PromoteVolume(ctx context.Context,
return nil, status.Errorf(
codes.InvalidArgument,
"mirroring is not enabled on %s, image is in %s Mode",
volumeID,
reqID,
info.GetState())
}
@ -477,10 +475,10 @@ func (rs *ReplicationServer) PromoteVolume(ctx context.Context,
}
log.DebugLog(
ctx,
"Added scheduling at interval %s, start time %s for volume %s",
"Added scheduling at interval %s, start time %s for Id %s",
interval,
startTime,
rbdVol)
reqID)
}
return &replication.PromoteVolumeResponse{}, nil
@ -493,9 +491,9 @@ func (rs *ReplicationServer) PromoteVolume(ctx context.Context,
func (rs *ReplicationServer) DemoteVolume(ctx context.Context,
req *replication.DemoteVolumeRequest,
) (*replication.DemoteVolumeResponse, error) {
volumeID := csicommon.GetIDFromReplication(req)
if volumeID == "" {
return nil, status.Error(codes.InvalidArgument, "empty volume ID in request")
reqID := csicommon.GetIDFromReplication(req)
if reqID == "" {
return nil, status.Error(codes.InvalidArgument, "empty ID in request")
}
cr, err := util.NewUserCredentials(req.GetSecrets())
if err != nil {
@ -503,31 +501,23 @@ func (rs *ReplicationServer) DemoteVolume(ctx context.Context,
}
defer cr.DeleteCredentials()
if acquired := rs.VolumeLocks.TryAcquire(volumeID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, volumeID)
if acquired := rs.VolumeLocks.TryAcquire(reqID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, reqID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, volumeID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, reqID)
}
defer rs.VolumeLocks.Release(volumeID)
defer rs.VolumeLocks.Release(reqID)
mgr := rbd.NewManager(rs.driverInstance, req.GetParameters(), req.GetSecrets())
defer mgr.Destroy(ctx)
rbdVol, err := mgr.GetVolumeByID(ctx, volumeID)
volumes, mirror, err := mgr.GetMirrorSource(ctx, reqID, req.GetReplicationSource())
if err != nil {
log.ErrorLog(ctx, "failed to get mirror source with id %q: %v", reqID, err)
return nil, getGRPCError(err)
}
mirror, err := rbdVol.ToMirror()
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
creationTime, err := rbdVol.GetCreationTime(ctx)
if err != nil {
log.ErrorLog(ctx, err.Error())
return nil, status.Error(codes.Internal, err.Error())
}
defer destoryVolumes(ctx, volumes)
info, err := mirror.GetMirroringInfo(ctx)
if err != nil {
@ -540,24 +530,33 @@ func (rs *ReplicationServer) DemoteVolume(ctx context.Context,
return nil, status.Errorf(
codes.InvalidArgument,
"mirroring is not enabled on %s, image is in %s Mode",
volumeID,
reqID,
info.GetState())
}
// demote image to secondary
if info.IsPrimary() {
for _, vol := range volumes {
// store the image creation time for resync
_, err = rbdVol.GetMetadata(imageCreationTimeKey)
creationTime, cErr := vol.GetCreationTime(ctx)
if cErr != nil {
log.ErrorLog(ctx, cErr.Error())
return nil, status.Error(codes.Internal, cErr.Error())
}
// store the image creation time for resync
_, err = vol.GetMetadata(imageCreationTimeKey)
if err != nil && errors.Is(err, librbd.ErrNotFound) {
log.DebugLog(ctx, "setting image creation time %s for %s", creationTime, rbdVol)
err = rbdVol.SetMetadata(imageCreationTimeKey, timestampToString(creationTime))
log.DebugLog(ctx, "setting image creation time %s for %s", creationTime, vol)
err = vol.SetMetadata(imageCreationTimeKey, timestampToString(creationTime))
}
if err != nil {
log.ErrorLog(ctx, err.Error())
return nil, status.Error(codes.Internal, err.Error())
}
}
err = mirror.Demote(ctx)
if err != nil {
log.ErrorLog(ctx, err.Error())
@ -604,9 +603,9 @@ func checkRemoteSiteStatus(ctx context.Context, mirrorStatus []types.SiteStatus)
func (rs *ReplicationServer) ResyncVolume(ctx context.Context,
req *replication.ResyncVolumeRequest,
) (*replication.ResyncVolumeResponse, error) {
volumeID := csicommon.GetIDFromReplication(req)
if volumeID == "" {
return nil, status.Error(codes.InvalidArgument, "empty volume ID in request")
reqID := csicommon.GetIDFromReplication(req)
if reqID == "" {
return nil, status.Error(codes.InvalidArgument, "empty ID in request")
}
cr, err := util.NewUserCredentials(req.GetSecrets())
if err != nil {
@ -614,23 +613,23 @@ func (rs *ReplicationServer) ResyncVolume(ctx context.Context,
}
defer cr.DeleteCredentials()
if acquired := rs.VolumeLocks.TryAcquire(volumeID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, volumeID)
if acquired := rs.VolumeLocks.TryAcquire(reqID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, reqID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, volumeID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, reqID)
}
defer rs.VolumeLocks.Release(volumeID)
mgr := rbd.NewManager(rs.driverInstance, req.GetParameters(), req.GetSecrets())
defer mgr.Destroy(ctx)
rbdVol, err := mgr.GetVolumeByID(ctx, volumeID)
volumes, mirror, err := mgr.GetMirrorSource(ctx, reqID, req.GetReplicationSource())
if err != nil {
log.ErrorLog(ctx, "failed to get mirror source with id %q: %v", reqID, err)
return nil, getGRPCError(err)
}
mirror, err := rbdVol.ToMirror()
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
defer destoryVolumes(ctx, volumes)
info, err := mirror.GetMirroringInfo(ctx)
if err != nil {
@ -695,9 +694,10 @@ func (rs *ReplicationServer) ResyncVolume(ctx context.Context,
ready = checkRemoteSiteStatus(ctx, sts.GetAllSitesStatus())
}
creationTime, err := rbdVol.GetCreationTime(ctx)
if err != nil {
return nil, status.Errorf(codes.Internal, "failed to get image info for %s: %s", rbdVol, err.Error())
for _, vol := range volumes {
creationTime, tErr := vol.GetCreationTime(ctx)
if tErr != nil {
return nil, status.Errorf(codes.Internal, "failed to get image info for %s: %s", vol, tErr.Error())
}
// image creation time is stored in the image metadata. it looks like
@ -705,12 +705,13 @@ func (rs *ReplicationServer) ResyncVolume(ctx context.Context,
// If the image gets resynced the local image creation time will be
// lost, if the keys is not present in the image metadata then we can
// assume that the image is already resynced.
savedImageTime, err := rbdVol.GetMetadata(imageCreationTimeKey)
var savedImageTime string
savedImageTime, err = vol.GetMetadata(imageCreationTimeKey)
if err != nil && !errors.Is(err, librbd.ErrNotFound) {
return nil, status.Errorf(codes.Internal,
"failed to get %s key from image metadata for %s: %s",
imageCreationTimeKey,
rbdVol,
vol,
err.Error())
}
@ -719,12 +720,15 @@ func (rs *ReplicationServer) ResyncVolume(ctx context.Context,
if sErr != nil {
return nil, status.Errorf(codes.Internal, "failed to parse image creation time: %s", sErr.Error())
}
log.DebugLog(ctx, "image %s, savedImageTime=%v, currentImageTime=%v", rbdVol, st, creationTime)
log.DebugLog(ctx, "image %s, savedImageTime=%v, currentImageTime=%v", vol, st, creationTime)
if req.GetForce() && st.Equal(*creationTime) {
err = mirror.Resync(ctx)
if err != nil {
return nil, getGRPCError(err)
}
// Break the loop as we need to issue resync only once for the image or for the group.
break
}
}
}
@ -735,10 +739,13 @@ func (rs *ReplicationServer) ResyncVolume(ctx context.Context,
}
}
err = rbdVol.RepairResyncedImageID(ctx, ready)
// update imageID for all the volumes
for _, vol := range volumes {
err = vol.RepairResyncedImageID(ctx, ready)
if err != nil {
return nil, status.Errorf(codes.Internal, "failed to resync Image ID: %s", err.Error())
}
}
resp := &replication.ResyncVolumeResponse{
Ready: ready,
@ -812,9 +819,9 @@ func getGRPCError(err error) error {
func (rs *ReplicationServer) GetVolumeReplicationInfo(ctx context.Context,
req *replication.GetVolumeReplicationInfoRequest,
) (*replication.GetVolumeReplicationInfoResponse, error) {
volumeID := csicommon.GetIDFromReplication(req)
if volumeID == "" {
return nil, status.Error(codes.InvalidArgument, "empty volume ID in request")
reqID := csicommon.GetIDFromReplication(req)
if reqID == "" {
return nil, status.Error(codes.InvalidArgument, "empty ID in request")
}
cr, err := util.NewUserCredentials(req.GetSecrets())
if err != nil {
@ -824,36 +831,23 @@ func (rs *ReplicationServer) GetVolumeReplicationInfo(ctx context.Context,
}
defer cr.DeleteCredentials()
if acquired := rs.VolumeLocks.TryAcquire(volumeID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, volumeID)
if acquired := rs.VolumeLocks.TryAcquire(reqID); !acquired {
log.ErrorLog(ctx, util.VolumeOperationAlreadyExistsFmt, reqID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, volumeID)
return nil, status.Errorf(codes.Aborted, util.VolumeOperationAlreadyExistsFmt, reqID)
}
defer rs.VolumeLocks.Release(volumeID)
defer rs.VolumeLocks.Release(reqID)
mgr := rbd.NewManager(rs.driverInstance, nil, req.GetSecrets())
defer mgr.Destroy(ctx)
rbdVol, err := mgr.GetVolumeByID(ctx, volumeID)
volumes, mirror, err := mgr.GetMirrorSource(ctx, reqID, req.GetReplicationSource())
if err != nil {
log.ErrorLog(ctx, "failed to get volume with id %q: %v", volumeID, err)
log.ErrorLog(ctx, "failed to get mirror source with id %q: %v", reqID, err)
switch {
case errors.Is(err, corerbd.ErrImageNotFound):
err = status.Error(codes.NotFound, err.Error())
case errors.Is(err, util.ErrPoolNotFound):
err = status.Error(codes.NotFound, err.Error())
default:
err = status.Error(codes.Internal, err.Error())
}
return nil, err
}
mirror, err := rbdVol.ToMirror()
if err != nil {
log.ErrorLog(ctx, "failed to convert volume %q to mirror type: %v", rbdVol, err)
return nil, status.Error(codes.Internal, err.Error())
return nil, getGRPCError(err)
}
defer destoryVolumes(ctx, volumes)
info, err := mirror.GetMirroringInfo(ctx)
if err != nil {
@ -990,3 +984,10 @@ func checkVolumeResyncStatus(ctx context.Context, localStatus types.SiteStatus)
return nil
}
// destoryVolumes destroys the volume connections.
func destoryVolumes(ctx context.Context, volumes []types.Volume) {
for _, vol := range volumes {
vol.Destroy(ctx)
}
}

12
internal/csi-addons/rbd/volumegroup.go
View File

@ -90,11 +90,7 @@ func (vs *VolumeGroupServer) CreateVolumeGroup(
// resolve all volumes
volumes := make([]types.Volume, len(req.GetVolumeIds()))
defer func() {
for _, vol := range volumes {
vol.Destroy(ctx)
}
}()
defer destoryVolumes(ctx, volumes)
for i, id := range req.GetVolumeIds() {
vol, err := mgr.GetVolumeByID(ctx, id)
if err != nil {
@ -356,11 +352,7 @@ func (vs *VolumeGroupServer) ModifyVolumeGroupMembership(
// resolve all volumes
volumes := make([]types.Volume, len(toAdd))
defer func() {
for _, vol := range volumes {
vol.Destroy(ctx)
}
}()
defer destoryVolumes(ctx, volumes)
for i, id := range toAdd {
var vol types.Volume
vol, err = mgr.GetVolumeByID(ctx, id)

4
internal/rbd/group/volume_group.go
View File

@ -415,3 +415,7 @@ func (vg *volumeGroup) CreateSnapshots(
return snapshots, nil
}
func (vg *volumeGroup) ToMirror() (types.Mirror, error) {
return volumeGroupMirror{vg}, nil
}

78
internal/rbd/manager.go
View File

@ -21,6 +21,8 @@ import (
"errors"
"fmt"
"github.com/csi-addons/spec/lib/go/replication"
"github.com/ceph/ceph-csi/internal/journal"
rbd_group "github.com/ceph/ceph-csi/internal/rbd/group"
"github.com/ceph/ceph-csi/internal/rbd/types"
@ -504,6 +506,7 @@ func (mgr *rbdManager) CreateVolumeGroupSnapshot(
return vgs, nil
}
<<<<<<< HEAD
// RegenerateVolumeGroupJournal regenerate the omap data for the volume group.
// This performs the following operations:
// - extracts clusterID and Mons from the cluster mapping
@ -633,4 +636,79 @@ func (mgr *rbdManager) RegenerateVolumeGroupJournal(
groupHandle, vgName, requestName)
return groupHandle, nil
=======
func (mgr *rbdManager) GetMirrorSource(ctx context.Context, reqID string,
rep *replication.ReplicationSource,
) ([]types.Volume, types.Mirror, error) {
switch {
// Backward compatibility: if rep is nil, we assume that the sidecar is still old and
// setting only volumeId not the replication source.
case rep == nil || rep.GetVolume() != nil:
rbdVol, err := mgr.GetVolumeByID(ctx, reqID)
if err != nil {
return nil, nil, fmt.Errorf("failed to get volume by id %q: %w", reqID, err)
}
defer func() {
if err != nil {
rbdVol.Destroy(ctx)
}
}()
var mir types.Mirror
mir, err = rbdVol.ToMirror()
if err != nil {
return nil, nil, fmt.Errorf("failed to convert volume %s to mirror: %w", rbdVol, err)
}
return []types.Volume{rbdVol}, mir, nil
case rep.GetVolumegroup() != nil:
rbdGroup, err := mgr.GetVolumeGroupByID(ctx, reqID)
if err != nil {
return nil, nil, fmt.Errorf("failed to get volume group by id %q: %w", reqID, err)
}
defer func() {
if err != nil {
rbdGroup.Destroy(ctx)
}
}()
var mir types.Mirror
mir, err = rbdGroup.ToMirror()
if err != nil {
return nil, nil, fmt.Errorf("failed to convert volume group %s to mirror: %w", rbdGroup, err)
}
var vols []types.Volume
vols, err = rbdGroup.ListVolumes(ctx)
if err != nil {
return nil, nil, fmt.Errorf("failed to list volumes in volume group %q: %w", rbdGroup, err)
}
// Get all the volume with connection and return it
volumes := make([]types.Volume, len(vols))
// Destroy connections if there is any error
defer func() {
if err != nil {
for _, vol := range vols {
vol.Destroy(ctx)
}
}
}()
for i, vol := range vols {
var id string
id, err = vol.GetID(ctx)
if err != nil {
return nil, nil, fmt.Errorf("failed to get id for volume %q in group %q: %w", vol, rbdGroup, err)
}
var v types.Volume
v, err = mgr.GetVolumeByID(ctx, id)
if err != nil {
return nil, nil, fmt.Errorf("failed to get volume by id %q in group %q: %w", id, rbdGroup, err)
}
volumes[i] = v
}
return volumes, mir, nil
default:
return nil, nil, errors.New("replication source is not set")
}
>>>>>>> 71b235ff1 (rbd: implement GetMirrorSource in manager)
}

3
internal/rbd/types/group.go
View File

@ -73,4 +73,7 @@ type VolumeGroup interface {
// The Snapshots are crash consistent, and created as a consistency
// group.
CreateSnapshots(ctx context.Context, cr *util.Credentials, name string) ([]Snapshot, error)
// ToMirror converts the VolumeGroup to a Mirror.
ToMirror() (Mirror, error)
}

6
internal/rbd/types/manager.go
View File

@ -18,6 +18,8 @@ package types
import (
"context"
"github.com/csi-addons/spec/lib/go/replication"
)
// VolumeResolver can be used to construct a Volume from a CSI VolumeId.
@ -71,4 +73,8 @@ type Manager interface {
// RegenerateVolumeGroupJournal regenerate the omap data for the volume group.
// returns the volume group handle
RegenerateVolumeGroupJournal(ctx context.Context, groupID, requestName string, volumeIds []string) (string, error)
// GetMirrorSource returns the source of the mirror for the given volume or group.
GetMirrorSource(ctx context.Context, volumeID string,
rep *replication.ReplicationSource) ([]Volume, Mirror, error)
}