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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:
This test case is authored to test posix storage.reserve option.
"""
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
@runs_on([['distributed-replicated'], ['glusterfs']])
class TestPosixStorageReserveOption(GlusterBaseClass):
def setUp(self):
"""
setUp method for every test.
"""
self.get_super_method(self, 'setUp')()
# setup volume
ret = self.setup_volume()
if not ret:
raise ExecutionError("Failed to setup volume")
def test_enable_storage_reserve_volume(self):
"""
1) Create a distributed-replicated volume and start it.
2) Enable storage.reserve option on the volume using below command,
gluster volume set storage.reserve.
let's say, set it to a value of 50.
3) Mount the volume on a client
4) check df -h output of the mount point and backend bricks.
"""
# Set volume option storage.reserve 50
ret = set_volume_options(
self.mnode, self.volname, {"storage.reserve ": 50})
self.assertTrue(
ret, "gluster volume set {} storage.reserve 50 Failed on server "
"{}".format(self.volname, self.mnode))
# Mounting the volume on a client
ret = self.mount_volume(self.mounts)
if not ret:
raise ExecutionError("Failed to mount volume")
ret, out, _ = g.run(
self.clients[0], "df -h | grep -i '{}'".format(
self.mounts[0].mountpoint))
self.assertFalse(
ret, "Failed to run cmd df -h on client {}".format
(self.clients[0]))
self.assertTrue("51%" in out.split(" "), "51 % is not in list ")
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 operations")
# Calling GlusterBaseClass tearDown
self.get_super_method(self, 'tearDown')()
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