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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.
from glusto.core import Glusto as g
from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.gluster.lib_utils import get_usable_size_per_disk
from glustolibs.gluster.brick_libs import get_all_bricks
@runs_on([['distributed'], ['glusterfs']])
class TestRenameWithBricksMinFreeLimitCrossed(GlusterBaseClass):
def setUp(self):
self.get_super_method(self, 'setUp')()
# Changing dist_count to 1
self.volume['voltype']['dist_count'] = 1
# Creating Volume and mounting the volume
ret = self.setup_volume_and_mount_volume([self.mounts[0]])
if not ret:
raise ExecutionError("Volume creation or mount failed: %s"
% self.volname)
self.first_client = self.mounts[0].client_system
self.mount_point = self.mounts[0].mountpoint
def tearDown(self):
# Unmounting and cleaning volume
ret = self.unmount_volume_and_cleanup_volume([self.mounts[0]])
if not ret:
raise ExecutionError("Unable to delete volume %s" % self.volname)
self.get_super_method(self, 'tearDown')()
def test_rename_with_brick_min_free_limit_crossed(self):
"""
Test case:
1. Create a volume, start it and mount it.
2. Calculate the usable size and fill till it reachs min free limit
3. Rename the file
4. Try to perfrom I/O from mount point.(This should fail)
"""
bricks = get_all_bricks(self.mnode, self.volname)
# Calculate the usable size and fill till it reachs
# min free limit
usable_size = get_usable_size_per_disk(bricks[0])
ret, _, _ = g.run(self.first_client, "fallocate -l {}G {}/file"
.format(usable_size, self.mount_point))
self.assertFalse(ret, "Failed to fill disk to min free limit")
g.log.info("Disk filled up to min free limit")
# Rename the file
ret, _, _ = g.run(self.first_client, "mv {}/file {}/Renamedfile"
.format(self.mount_point, self.mount_point))
self.assertFalse(ret, "Rename failed on file to Renamedfile")
g.log.info("File renamed successfully")
# Try to perfrom I/O from mount point(This should fail)
ret, _, _ = g.run(self.first_client,
"fallocate -l 5G {}/mfile".format(self.mount_point))
self.assertTrue(ret,
"Unexpected: Able to do I/O even when disks are "
"filled to min free limit")
g.log.info("Expected: Unable to perfrom I/O as min free disk is hit")
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