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# Copyright (C) 2017-2018 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.
"""
Description:
Test Cases in this module tests the
snapshot scheduler behavior when shared volume is mounted/not
mounted. scheduler command such as initialise scheduler,
enable scheduler, status of scheduler.
"""
import time
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.volume_ops import get_volume_options
from glustolibs.gluster.snap_scheduler import (scheduler_init,
scheduler_enable,
scheduler_status,
scheduler_disable)
from glustolibs.gluster.shared_storage_ops import (enable_shared_storage,
is_shared_volume_mounted,
is_shared_volume_unmounted,
disable_shared_storage)
@runs_on([['replicated', 'distributed-replicated', 'dispersed',
'distributed', 'distributed-dispersed'],
['glusterfs']])
class SnapshotSchedulerStatus(GlusterBaseClass):
def setUp(self):
# SettingUp volume and Mounting the volume
GlusterBaseClass.setUp.im_func(self)
g.log.info("Starting to SetUp and Mount Volume")
ret = self.setup_volume_and_mount_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to setup volume %s" % self.volname)
g.log.info("Volume %s has been setup successfully", self.volname)
def tearDown(self):
# Unmount and cleanup-volume
g.log.info("Starting to Unmount and cleanup-volume")
ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to Unmount and Cleanup Volume")
g.log.info("Successful in Unmount Volume and Cleanup Volume")
def test_snap_scheduler_status(self):
# pylint: disable=too-many-statements
"""
Steps:
1. create volumes
2. initialise snap scheduler without
enabling shared storage should fail
3. enable shared storage
4. initialise snap scheduler
5. check snapshot scheduler status
"""
# Validate shared storage is enabled
g.log.info("Starting to validate shared storage volume")
volinfo = get_volume_options(self.mnode, self.volname,
option=("cluster.enable"
"-shared-storage"))
if volinfo["cluster.enable-shared-storage"] == "disable":
# Initialise snapshot scheduler
g.log.info("Initialising snapshot scheduler on all nodes")
ret = scheduler_init(self.servers)
self.assertFalse(ret, "Unexpected: Successfully initialized "
"scheduler on all nodes")
g.log.info("As Expected, Failed to initialize scheduler on "
"all nodes")
self.assertEqual(volinfo["cluster.enable-shared-storage"],
"disable", "Unexpected: Shared storage "
"is enabled on cluster")
# Enable Shared storage
g.log.info("enabling shared storage")
ret = enable_shared_storage(self.mnode)
self.assertTrue(ret, "Failed to enable shared storage")
g.log.info("Successfully enabled shared storage")
# Validate shared storage mounted
g.log.info("validate shared storage mounted")
ret = is_shared_volume_mounted(self.mnode)
self.assertTrue(ret, "Failed to mount shared volume")
g.log.info("Successfully mounted shared volume")
# Validate shared storage volume is enabled
g.log.info("validate shared storage volume")
volinfo = get_volume_options(self.mnode, self.volname,
option=("cluster.enable"
"-shared-storage"))
self.assertIsNotNone(volinfo, "Failed to validate volume option")
self.assertEqual(volinfo["cluster.enable-shared-storage"], "enable",
"Failed to enable shared storage volume")
g.log.info("Shared storage enabled successfully")
# Initialise snap scheduler
g.log.info("Initialising snapshot scheduler on all nodes")
count = 0
while count < 40:
ret = scheduler_init(self.servers)
if ret:
break
time.sleep(2)
count += 1
self.assertTrue(ret, "Failed to initialize scheduler on all nodes")
g.log.info("Successfully initialized scheduler on all nodes")
# Enable snap scheduler
g.log.info("Enabling snap scheduler")
ret, _, _ = scheduler_enable(self.mnode)
self.assertEqual(ret, 0, "Failed to enable scheduler on %s node" %
self.mnode)
g.log.info("Successfully enabled scheduler on %s node", self.mnode)
# Check snapshot scheduler status
g.log.info("checking status of snapshot scheduler")
for server in self.servers:
count = 0
while count < 40:
ret, status, _ = scheduler_status(server)
if ret == 0:
self.assertEqual(status.strip().split(":")[2], ' Enabled',
"Failed to check status of scheduler")
break
time.sleep(2)
count += 1
self.assertEqual(ret, 0, "Failed to check status of scheduler"
" on nodes %s" % server)
g.log.info("Successfully checked scheduler status on %s nodes",
server)
# disable snap scheduler
g.log.info("disabling snap scheduler")
ret, _, _ = scheduler_disable(self.mnode)
self.assertEqual(ret, 0, "Unexpected: Failed to disable "
"snapshot scheduler")
g.log.info("Successfully disabled snapshot scheduler")
# disable shared storage
g.log.info("starting to disable shared storage")
ret = disable_shared_storage(self.mnode)
self.assertTrue(ret, "Failed to disable shared storage")
g.log.info("Successfully disabled shared storage")
# Validate shared volume unmounted
g.log.info("Validate shared volume unmounted")
ret = is_shared_volume_unmounted(self.mnode)
self.assertTrue(ret, "Failed to unmount shared storage")
g.log.info("Successfully unmounted shared storage")
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