def delete_snapshot(self,
volume_name,
snapshot_name,
recursively_children=False,
recursively_dependents=False,
force_umount=False):
"""delete_snapshot.
DELETE /volumes/<string:volumename>/snapshots/
<string:snapshotname>
:param volume_name: volume that snapshot belongs to
:param snapshot_name: snapshot name
:param recursively_children: boolean indicating if zfs should
recursively destroy all children of resource, in case of snapshot
remove all snapshots in descendant file system (default false).
:param recursively_dependents: boolean indicating if zfs should
recursively destroy all dependents, including cloned file systems
outside the target hierarchy (default false).
:param force_umount: boolean indicating if volume should be forced to
umount (defualt false).
:return:
"""
req = '/volumes/%(vol)s/snapshots/%(snap)s' % {
'vol': volume_name,
'snap': snapshot_name}
LOG.debug("delete snapshot %(snap)s of volume %(vol)s",
{'snap': snapshot_name,
'vol': volume_name})
jbody = {}
if recursively_children:
jbody['recursively_children'] = True
if recursively_dependents:
jbody['recursively_dependents'] = True
if force_umount:
jbody['force_umount'] = True
resp = dict()
if len(jbody) > 0:
resp = self.rproxy.pool_request('DELETE', req, json_data=jbody)
else:
resp = self.rproxy.pool_request('DELETE', req)
if resp["code"] in (200, 201, 204):
LOG.debug("snapshot %s deleted", snapshot_name)
return
if resp["code"] == 500:
if resp["error"]:
if resp["error"]["errno"] == 1000:
raise jexc.JDSSSnapshotIsBusyException(
snapshot=snapshot_name)
self._general_error(req, resp)
def test_clone_object_exists(self):
jdssd, ctx = self.get_driver(CONFIG_OK)
origin = jcom.vname(UUID_1)
clone = jcom.vname(UUID_2)
jdssd.ra.create_snapshot.side_effect = (
jexc.JDSSSnapshotExistsException(snapshot=clone))
jdssd.ra.delete_snapshot.side_effect = (
jexc.JDSSSnapshotIsBusyException(snapshot=clone))
self.assertRaises(exception.Duplicate, jdssd._clone_object, origin,
clone)
jdssd.ra.delete_snapshot.assert_called_once_with(origin, clone)
jdssd.ra.create_snapshot.assert_called_once_with(origin, clone)
def get_jdss_exceptions():
out = [
jexc.JDSSException(reason="Testing"),
jexc.JDSSRESTException(request="ra request", reason="Testing"),
jexc.JDSSRESTProxyException(host="test_host", reason="Testing"),
jexc.JDSSResourceNotFoundException(res="test_resource"),
jexc.JDSSVolumeNotFoundException(volume="test_volume"),
jexc.JDSSSnapshotNotFoundException(snapshot="test_snapshot"),
jexc.JDSSResourceExistsException(res="test_resource"),
jexc.JDSSSnapshotExistsException(snapshot="test_snapshot"),
jexc.JDSSVolumeExistsException(volume="test_volume"),
jexc.JDSSSnapshotIsBusyException(snapshot="test_snapshot")
]
return out