def handle_get_mirror_info(self, image_spec: ImageSpec, image: rbd.Image,
comp: rados.Completion,
info: Dict[str, Union[str, int]]) -> None:
pool_id, namespace, image_id = image_spec
self.log.debug(
"CreateSnapshotRequests.handle_get_mirror_info {}/{}/{}: r={} info={}"
.format(pool_id, namespace, image_id, comp.get_return_value(),
info))
if comp.get_return_value() < 0:
if comp.get_return_value() != -errno.ENOENT:
self.log.error(
"error when getting mirror info for {}/{}/{}: {}".format(
pool_id, namespace, image_id, comp.get_return_value()))
self.close_image(image_spec, image)
return
if not info['primary']:
self.log.debug(
"CreateSnapshotRequests.handle_get_mirror_info: {}/{}/{}: {}".
format(pool_id, namespace, image_id, "is not primary"))
self.close_image(image_spec, image)
return
self.create_snapshot(image_spec, image)
def handle_get_mirror_mode(self, image_spec: ImageSpec, image: rbd.Image,
comp: rados.Completion, mode: int) -> None:
pool_id, namespace, image_id = image_spec
self.log.debug(
"CreateSnapshotRequests.handle_get_mirror_mode {}/{}/{}: r={} mode={}"
.format(pool_id, namespace, image_id, comp.get_return_value(),
mode))
if comp.get_return_value() < 0:
if comp.get_return_value() != -errno.ENOENT:
self.log.error(
"error when getting mirror mode for {}/{}/{}: {}".format(
pool_id, namespace, image_id, comp.get_return_value()))
self.close_image(image_spec, image)
return
if mode != rbd.RBD_MIRROR_IMAGE_MODE_SNAPSHOT:
self.log.debug(
"CreateSnapshotRequests.handle_get_mirror_mode: {}/{}/{}: {}".
format(pool_id, namespace, image_id,
"snapshot mirroring is not enabled"))
self.close_image(image_spec, image)
return
self.get_mirror_info(image_spec, image)
def handle_close_image(self, image_spec: ImageSpec,
comp: rados.Completion) -> None:
pool_id, namespace, image_id = image_spec
self.log.debug(
"CreateSnapshotRequests.handle_close_image {}/{}/{}: r={}".format(
pool_id, namespace, image_id, comp.get_return_value()))
if comp.get_return_value() < 0:
self.log.error("error when closing {}/{}/{}: {}".format(
pool_id, namespace, image_id, comp.get_return_value()))
self.finish(image_spec)
def handle_open_image(self, image_spec: ImageSpec, comp: rados.Completion,
image: rbd.Image) -> None:
pool_id, namespace, image_id = image_spec
self.log.debug(
"CreateSnapshotRequests.handle_open_image {}/{}/{}: r={}".format(
pool_id, namespace, image_id, comp.get_return_value()))
if comp.get_return_value() < 0:
if comp.get_return_value() != -errno.ENOENT:
self.log.error("error when opening {}/{}/{}: {}".format(
pool_id, namespace, image_id, comp.get_return_value()))
self.finish(image_spec)
return
self.get_mirror_mode(image_spec, image)
def handle_create_snapshot(self, image_spec: ImageSpec, image: rbd.Image,
comp: rados.Completion, snap_id: int) -> None:
pool_id, namespace, image_id = image_spec
self.log.debug(
"CreateSnapshotRequests.handle_create_snapshot for {}/{}/{}: r={}, snap_id={}"
.format(pool_id, namespace, image_id, comp.get_return_value(),
snap_id))
if comp.get_return_value() < 0 and \
comp.get_return_value() != -errno.ENOENT:
self.log.error(
"error when creating snapshot for {}/{}/{}: {}".format(
pool_id, namespace, image_id, comp.get_return_value()))
self.close_image(image_spec, image)