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# Copyright (C) 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.
"""
Description:
Test set and reset of storage reserve limit in glusterd
"""
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 (
set_volume_options,
reset_volume_option,
get_volume_options)
@runs_on([['distributed', 'distributed-replicated', 'distributed-arbiter',
'distributed-dispersed', 'replicated', 'arbiter', 'dispersed'],
['glusterfs']])
class TestGlusterDSetResetReserveLimit(GlusterBaseClass):
""" Testing set and reset of Reserve limit in GlusterD """
def setUp(self):
"""Setup Volume"""
# Calling GlusterBaseClass setUp
self.get_super_method(self, 'setUp')()
# Setup and mount the volume
ret = self.setup_volume_and_mount_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to setup volume and mount it")
def validate_vol_option(self, option_name, value_expected):
""" Function for validating volume options """
# Get the volume option.
ret = get_volume_options(self.mnode, self.volname, option_name)
self.assertIsNotNone(ret, "The %s option is not present" % option_name)
self.assertEqual(ret[option_name], value_expected,
("Volume option for %s is not equal to %s"
% (option_name, value_expected)))
g.log.info("Volume option %s is equal to the expected value %s",
option_name, value_expected)
def test_glusterd_set_reset_reserve_limit(self):
"""
Test set and reset of reserve limit on glusterd
1. Create a volume and start it.
2. Set storage.reserve limit on the created volume and verify it.
3. Reset storage.reserve limit on the created volume and verify it.
"""
# Setting storage.reserve to 50
ret = set_volume_options(self.mnode, self.volname,
{'storage.reserve': '50'})
self.assertTrue(ret, "Failed to set storage reserve on %s"
% self.mnode)
# Validate storage.reserve option set to 50
self.validate_vol_option('storage.reserve', '50')
# Reseting the storage.reserve limit
ret, _, _ = reset_volume_option(self.mnode, self.volname,
'storage.reserve')
self.assertEqual(ret, 0, "Failed to reset the storage.reserve limit")
# Validate that the storage.reserve option is reset
ret = get_volume_options(self.mnode, self.volname, 'storage.reserve')
if ret['storage.reserve'] == '1':
self.validate_vol_option('storage.reserve', '1')
else:
self.validate_vol_option('storage.reserve', '1 (DEFAULT)')
def tearDown(self):
"""tear Down Callback"""
# Unmount volume and cleanup.
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 and cleanup of volume")
# Calling GlusterBaseClass tearDown
self.get_super_method(self, 'tearDown')()
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