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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.volume_libs import (
verify_all_process_of_volume_are_online,
wait_for_volume_process_to_be_online)
from glustolibs.gluster.brick_libs import (
select_volume_bricks_to_bring_offline,
bring_bricks_offline,
bring_bricks_online,
are_bricks_offline)
from glustolibs.gluster.heal_libs import (monitor_heal_completion,
is_volume_in_split_brain)
from glustolibs.io.utils import (collect_mounts_arequal, validate_io_procs)
from glustolibs.gluster.glusterdir import mkdir
@runs_on([['arbiter', 'distributed-arbiter',
'replicated', 'distributed-replicated'], ['glusterfs']])
class TestGlusterCloneHeal(GlusterBaseClass):
"""
Description:
Arbiter Test cases related to self heal
of data and hardlink
"""
def setUp(self):
# Calling GlusterBaseClass
self.get_super_method(self, 'setUp')()
# Setup Volume and Mount Volume
ret = self.setup_volume_and_mount_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to Setup_Volume and Mount_Volume")
g.log.info("Successful in Setup Volume and Mount Volume")
def tearDown(self):
"""
Cleanup and umount volume
"""
# Cleanup and umount volume
ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to umount the vol & cleanup Volume")
g.log.info("Successful in umounting the volume and Cleanup")
# Calling GlusterBaseClass teardown
self.get_super_method(self, 'tearDown')()
def test_gluster_clone_heal(self):
"""
Test gluster compilation on mount point(Heal command)
- Creating directory test_compilation
- Compile gluster on mountpoint
- Select bricks to bring offline
- Bring brick offline
- Validate IO
- Bring bricks online
- Wait for volume processes to be online
- Verify volume's all process are online
- Monitor heal completion
- Check for split-brain
- Get arequal after getting bricks online
- Compile gluster on mountpoint again
- Select bricks to bring offline
- Bring brick offline
- Validate IO
- Bring bricks online
- Wait for volume processes to be online
- Verify volume's all process are online
- Monitor heal completion
- Check for split-brain
- Get arequal after getting bricks online
"""
# pylint: disable=too-many-branches,too-many-statements,too-many-locals
# Creating directory test_compilation
ret = mkdir(self.mounts[0].client_system, "{}/test_compilation"
.format(self.mounts[0].mountpoint))
self.assertTrue(ret, "Failed to create directory")
g.log.info("Directory 'test_compilation' on %s created "
"successfully", self.mounts[0])
# Compile gluster on mountpoint
cmd = ("cd %s/test_compilation ; rm -rf glusterfs; git clone"
" git://github.com/gluster/glusterfs.git ; cd glusterfs ;"
" ./autogen.sh ;./configure CFLAGS='-g3 -O0 -DDEBUG'; make ;"
" cd ../..;" % self.mounts[0].mountpoint)
proc = g.run_async(self.mounts[0].client_system, cmd)
# Select bricks to bring offline
bricks_to_bring_offline = select_volume_bricks_to_bring_offline(
self.mnode, self.volname)
self.assertIsNotNone(bricks_to_bring_offline, "List is empty")
# Bring brick offline
ret = bring_bricks_offline(self.volname, bricks_to_bring_offline)
self.assertTrue(ret, 'Failed to bring bricks {} offline'.
format(bricks_to_bring_offline))
ret = are_bricks_offline(self.mnode, self.volname,
bricks_to_bring_offline)
self.assertTrue(ret, 'Bricks {} are not offline'.
format(bricks_to_bring_offline))
g.log.info('Bringing bricks %s offline is successful',
bricks_to_bring_offline)
# Validate IO
self.assertTrue(
validate_io_procs([proc], self.mounts[0]),
"IO failed on some of the clients"
)
# Bring bricks online
ret = bring_bricks_online(self.mnode, self.volname,
bricks_to_bring_offline)
self.assertTrue(ret, 'Failed to bring bricks {} online'.format
(bricks_to_bring_offline))
# Wait for volume processes to be online
ret = wait_for_volume_process_to_be_online(self.mnode, self.volname)
self.assertTrue(ret, ("Failed to wait for volume {} processes to "
"be online".format(self.volname)))
# Verify volume's all process are online
ret = verify_all_process_of_volume_are_online(self.mnode, self.volname)
self.assertTrue(ret, ("Volume {} : All process are not online".format
(self.volname)))
# Monitor heal completion
ret = monitor_heal_completion(self.mnode, self.volname)
self.assertTrue(ret, 'Heal has not yet completed')
# Check for split-brain
ret = is_volume_in_split_brain(self.mnode, self.volname)
self.assertFalse(ret, 'Volume is in split-brain state')
g.log.info('Volume is not in split-brain state')
# Get arequal after getting bricks online
ret, result_after_online = collect_mounts_arequal(self.mounts)
self.assertTrue(ret, 'Failed to get arequal')
g.log.info("Arequal of mountpoint %s", result_after_online)
# Compile gluster on mountpoint again
proc1 = g.run_async(self.mounts[0].client_system, cmd)
# Select bricks to bring offline
bricks_to_bring_offline = select_volume_bricks_to_bring_offline(
self.mnode, self.volname)
self.assertIsNotNone(bricks_to_bring_offline, "List is empty")
# Bring brick offline
ret = bring_bricks_offline(self.volname, bricks_to_bring_offline)
self.assertTrue(ret, 'Failed to bring bricks {} offline'.
format(bricks_to_bring_offline))
ret = are_bricks_offline(self.mnode, self.volname,
bricks_to_bring_offline)
self.assertTrue(ret, 'Bricks {} are not offline'.
format(bricks_to_bring_offline))
# Validate IO
self.assertTrue(
validate_io_procs([proc1], self.mounts[0]),
"IO failed on some of the clients"
)
# Bring bricks online
ret = bring_bricks_online(self.mnode, self.volname,
bricks_to_bring_offline)
self.assertTrue(ret, 'Failed to bring bricks {} online'.format
(bricks_to_bring_offline))
# Wait for volume processes to be online
ret = wait_for_volume_process_to_be_online(self.mnode, self.volname)
self.assertTrue(ret, ("Failed to wait for volume {} processes to "
"be online".format(self.volname)))
# Verify volume's all process are online
ret = verify_all_process_of_volume_are_online(self.mnode, self.volname)
self.assertTrue(ret, ("Volume {} : All process are not online".format
(self.volname)))
# Monitor heal completion
ret = monitor_heal_completion(self.mnode, self.volname)
self.assertTrue(ret, 'Heal has not yet completed')
# Check for split-brain
ret = is_volume_in_split_brain(self.mnode, self.volname)
self.assertFalse(ret, 'Volume is in split-brain state')
# Get arequal after getting bricks online
ret, result_after_online = collect_mounts_arequal(self.mounts)
self.assertTrue(ret, 'Failed to get arequal')
g.log.info("Arequal of mountpoint %s", result_after_online)
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