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rbd: remove unused snapshot function

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we dont need to call the snapshot CLI functions
to get snapshot details. as these details are not
requried with new snapshot design.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna 2020-06-24 12:39:11 +05:30 committed by mergify[bot]
parent f08118a8e5
commit b3f1499cd4
3 changed files with 1 additions and 72 deletions
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8
internal/rbd/controllerserver.go
View File

@ -641,13 +641,7 @@ func (cs *ControllerServer) doSnapshot(ctx context.Context, rbdSnap *rbdSnapshot
err = status.Error(codes.Internal, err.Error())
}
}()
err = getSnapshotMetadata(ctx, rbdSnap, cr)
if err != nil {
klog.Errorf(util.Log(ctx, "failed to fetch snapshot metadata: %v"), err)
return status.Error(codes.Internal, err.Error())
}
return nil
return err
}
// DeleteSnapshot deletes the snapshot in backend and removes the

11
internal/rbd/rbd_journal.go
View File

@ -137,17 +137,6 @@ func checkSnapExists(ctx context.Context, rbdSnap *rbdSnapshot, cr *util.Credent
snapData.ImagePool, rbdSnap.Pool)
}
// Fetch on-disk image attributes
err = updateSnapWithImageInfo(ctx, rbdSnap, cr)
if err != nil {
if _, ok := err.(ErrSnapNotFound); ok {
err = j.UndoReservation(ctx, rbdSnap.JournalPool,
rbdSnap.Pool, rbdSnap.RbdSnapName, rbdSnap.RequestName)
return false, err
}
return false, err
}
// found a snapshot already available, process and return its information
rbdSnap.SnapID, err = util.GenerateVolID(ctx, rbdSnap.Monitors, cr, snapData.ImagePoolID, rbdSnap.Pool,
rbdSnap.ClusterID, snapUUID, volIDVersion)

54
internal/rbd/rbd_util.go
View File

@ -33,7 +33,6 @@ import (
"github.com/ceph/go-ceph/rados"
librbd "github.com/ceph/go-ceph/rbd"
"github.com/container-storage-interface/spec/lib/go/csi"
"github.com/golang/protobuf/ptypes"
"github.com/golang/protobuf/ptypes/timestamp"
"github.com/pborman/uuid"
"github.com/pkg/errors"
@ -415,26 +414,6 @@ func (rv *rbdVolume) removeImageFromTrash() error {
return nil
}
// updateSnapWithImageInfo updates provided rbdSnapshot with information from on-disk data
// regarding the same
func updateSnapWithImageInfo(ctx context.Context, rbdSnap *rbdSnapshot, cr *util.Credentials) error {
snapInfo, err := rbdSnap.getSnapInfo(ctx, rbdSnap.Monitors, cr)
if err != nil {
return err
}
rbdSnap.SizeBytes = snapInfo.Size
tm, err := time.Parse(time.ANSIC, snapInfo.Timestamp)
if err != nil {
return err
}
rbdSnap.CreatedAt, err = ptypes.TimestampProto(tm)
return err
}
// genSnapFromSnapID generates a rbdSnapshot structure from the provided identifier, updating
// the structure with elements from on-disk snapshot metadata as well
func genSnapFromSnapID(ctx context.Context, rbdSnap *rbdSnapshot, snapshotID string, cr *util.Credentials) error {
@ -490,8 +469,6 @@ func genSnapFromSnapID(ctx context.Context, rbdSnap *rbdSnapshot, snapshotID str
}
}
err = updateSnapWithImageInfo(ctx, rbdSnap, cr)
return err
}
@ -802,29 +779,6 @@ func restoreSnapshot(ctx context.Context, pVolOpts *rbdVolume, pSnapOpts *rbdSna
return nil
}
// getSnapshotMetadata fetches on-disk metadata about the snapshot and populates the passed in
// rbdSnapshot structure
func getSnapshotMetadata(ctx context.Context, pSnapOpts *rbdSnapshot, cr *util.Credentials) error {
snapInfo, err := pSnapOpts.getSnapInfo(ctx, pSnapOpts.Monitors, cr)
if err != nil {
return err
}
pSnapOpts.SizeBytes = snapInfo.Size
tm, err := time.Parse(time.ANSIC, snapInfo.Timestamp)
if err != nil {
return err
}
pSnapOpts.CreatedAt, err = ptypes.TimestampProto(tm)
if err != nil {
return err
}
return nil
}
// getImageInfo queries rbd about the given image and returns its metadata, and returns
// ErrImageNotFound if provided image is not found
func (rv *rbdVolume) getImageInfo() error {
@ -850,14 +804,6 @@ func (rv *rbdVolume) getImageInfo() error {
return nil
}
// snapInfo strongly typed JSON spec for snap ls rbd output
type snapInfo struct {
ID int64 `json:"id"`
Name string `json:"name"`
Size int64 `json:"size"`
Timestamp string `json:"timestamp"`
}
/*
getSnapInfo queries rbd about the snapshots of the given image and returns its metadata, and
returns ErrImageNotFound if provided image is not found, and ErrSnapNotFound if provided snap