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rbd: fix resync issue

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During the Demote volume store
the image creation timestamp.

During Resync do below operation

* Check image creation timestamp
stored during Demote operation
and current creation timestamp during Resync
and check both are equal and its for
force resync then issue resync
* If the image on both sides is
not in unknown state, check
last_snapshot_timestamp on the
local mirror description, if its present
send volumeReady as false or else return
error message.

If both the images are in up+unknown the
send volumeReady as true.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna
2023-08-22 18:52:49 +02:00
committed by mergify[bot]
parent 4016876c9d
commit e013cfed15
4 changed files with 192 additions and 111 deletions
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13
internal/rbd/rbd_util.go
View File

@ -1558,6 +1558,19 @@ func (rv *rbdVolume) setImageOptions(ctx context.Context, options *librbd.ImageO
return nil
}
// GetImageCreationTime returns the creation time of the image. if the image
// creation time is not set, it queries the image info and returns the creation time.
func (ri *rbdImage) GetImageCreationTime() (*timestamppb.Timestamp, error) {
if ri.CreatedAt != nil {
return ri.CreatedAt, nil
}
if err := ri.getImageInfo(); err != nil {
return nil, err
}
return ri.CreatedAt, nil
}
// getImageInfo queries rbd about the given image and returns its metadata, and returns
// ErrImageNotFound if provided image is not found.
func (ri *rbdImage) getImageInfo() error {