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# Copyright (C) 2017-2020 Red Hat, Inc. <http://www.redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
from glusto.core import Glusto as g
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
from glustolibs.gluster.gluster_init import (
wait_for_glusterd_to_start,
restart_glusterd)
from glustolibs.gluster.peer_ops import is_peer_connected
from glustolibs.gluster.snap_ops import (
snap_create,
snap_delete,
snap_delete_all,
get_snap_list)
@runs_on([['replicated', 'distributed-replicated', 'dispersed',
'distributed', 'distributed-dispersed'],
['glusterfs']])
class TestSnapshotListGlusterdRestart(GlusterBaseClass):
"""
Test Cases in this module tests the snapshot listing
before and after glusterd restart.
"""
def setUp(self):
# SettingUp volume and Mounting the volume
self.get_super_method(self, 'setUp')()
ret = self.setup_volume()
if not ret:
raise ExecutionError("Failed to setup volume %s" % self.volname)
g.log.info("Volume %s has been setup successfully", self.volname)
self.snapshots = [('snap-test-snap-list-gd-restart-%s-%s'
% (self.volname, i))for i in range(0, 3)]
def tearDown(self):
self.get_super_method(self, 'tearDown')()
# Delete snapshots created in the test case
ret, _, _ = snap_delete_all(self.mnode)
if ret:
raise ExecutionError("Failed to delete the snapshots")
g.log.info("Successfully deleted all snapshots")
# Unmount and cleanup volume
ret = self.cleanup_volume()
if not ret:
raise ExecutionError("Failed to cleanup Volume")
g.log.info("Successful in Cleanup volume")
def test_snap_list_glusterd_restart(self):
"""
Verify snapshot list before and after glusterd restart
* Create 3 snapshots of the volume
* Delete one snapshot
* List all snapshots created
* Restart glusterd on all nodes
* List all snapshots
All snapshots must be listed except the one that was deleted
"""
# pylint: disable=too-many-statements
# Create snapshots
for snap in self.snapshots:
ret, _, _ = snap_create(self.mnode, self.volname, snap)
self.assertEqual(ret, 0, ("Failed to create snapshot %s for "
"volume %s" % (snap, self.volname)))
g.log.info("Snapshot %s created successfully "
"for volume %s", snap, self.volname)
# List the snapshots and validate with snapname
snap_list = get_snap_list(self.mnode)
self.assertIsNotNone(snap_list, "Failed to list all snapshots")
self.assertEqual(len(snap_list), 3, "Failed to validate snap list")
g.log.info("Successfully validated snap list")
for snap in self.snapshots:
self.assertIn(snap, snap_list, "Failed to validate the snapshot "
"%s in the snapshot list" % snap)
g.log.info("Successfully validated the presence of snapshots using "
"snapname")
# Delete one snapshot
ret, _, _ = snap_delete(self.mnode, self.snapshots[0])
self.assertEqual(ret, 0, ("Failed to delete snapshot %s"
% self.snapshots[0]))
g.log.info("Snapshots %s deleted Successfully", self.snapshots[0])
# List the snapshots and validate with snapname
snap_list = get_snap_list(self.mnode)
self.assertIsNotNone(snap_list, "Failed to list all snapshots")
self.assertEqual(len(snap_list), 2, "Failed to validate snap list")
g.log.info("Successfully validated snap list")
for snap in self.snapshots[1:]:
self.assertIn(snap, snap_list, "Failed to validate the snapshot "
"%s in the snapshot list" % snap)
g.log.info("Successfully validated the presence of snapshots using "
"snapname")
# Restart glusterd on all the servers
ret = restart_glusterd(self.servers)
self.assertTrue(ret, ("Failed to restart glusterd on nodes %s"
% self.servers))
g.log.info("Successfully restarted glusterd on nodes %s", self.servers)
# Wait for glusterd to be online and validate glusterd running on all
# server nodes
self.assertTrue(
wait_for_glusterd_to_start(self.servers),
"Unexpected: glusterd not up on one or more of the nodes")
g.log.info("Glusterd is up and running on all nodes")
# Check if peers are connected
self.assertTrue(
is_peer_connected(self.mnode, self.servers),
"Unexpected: Peers are not in connected state")
g.log.info("Successful: All peers are in connected state")
# List the snapshots after glusterd restart
# All snapshots must be listed except the one deleted
for server in self.servers:
snap_list = get_snap_list(server)
self.assertIsNotNone(
snap_list, "Failed to get the list of snapshots in node %s"
% server)
self.assertEqual(
len(snap_list), 2,
"Unexpected: Number of snapshots not consistent in the node %s"
% server)
g.log.info("Successfully validated snap list for node %s", server)
for snap in self.snapshots[1:]:
self.assertIn(
snap, snap_list, "Failed to validate the snapshot "
"%s in the snapshot list" % snap)
g.log.info("Successfully validated the presence of snapshots "
"using snapname for node %s", server)
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