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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 random import choice
from glusto.core import Glusto as g
from glustolibs.gluster.brick_ops import reset_brick
from glustolibs.gluster.brick_libs import (get_all_bricks, are_bricks_offline)
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
from glustolibs.gluster.glusterdir import rmdir
from glustolibs.gluster.glusterfile import remove_file
from glustolibs.gluster.heal_ops import trigger_heal_full
from glustolibs.gluster.heal_libs import monitor_heal_completion
from glustolibs.gluster.lib_utils import collect_bricks_arequal
from glustolibs.gluster.volume_libs import (
get_subvols, wait_for_volume_process_to_be_online)
from glustolibs.misc.misc_libs import upload_scripts
from glustolibs.io.utils import (validate_io_procs, wait_for_io_to_complete)
@runs_on([['replicated', 'distributed-replicated'],
['glusterfs', 'nfs']])
class TestAfrResetBrickHeal(GlusterBaseClass):
@classmethod
def setUpClass(cls):
# Calling GlusterBaseClass setUpClass
cls.get_super_method(cls, 'setUpClass')()
# Upload IO scripts for running IO on mounts
cls.script_upload_path = (
"/usr/share/glustolibs/io/scripts/file_dir_ops.py")
ret = upload_scripts(cls.clients, cls.script_upload_path)
if not ret:
raise ExecutionError("Failed to upload IO scripts to clients {}".
format(cls.clients))
def setUp(self):
# calling GlusterBaseClass setUp
self.get_super_method(self, 'setUp')()
# Setup volume and mount it.
if not self.setup_volume_and_mount_volume(self.mounts):
raise ExecutionError("Failed to Setup_Volume and Mount_Volume")
def tearDown(self):
# Wait if any IOs are pending from the test
if self.all_mounts_procs:
ret = wait_for_io_to_complete(self.all_mounts_procs, self.mounts)
if ret:
raise ExecutionError(
"Wait for IO completion failed on some of the clients")
# Unmount and cleanup the volume
if not self.unmount_volume_and_cleanup_volume(self.mounts):
raise ExecutionError("Unable to unmount and cleanup volume")
# Calling GlusterBaseClass tearDown
self.get_super_method(self, 'tearDown')()
@classmethod
def tearDownClass(cls):
for each_client in cls.clients:
ret = remove_file(each_client, cls.script_upload_path)
if not ret:
raise ExecutionError("Failed to delete file {}".
format(cls.script_upload_path))
cls.get_super_method(cls, 'tearDownClass')()
def test_afr_reset_brick_heal_full(self):
"""
1. Create files/dirs from mount point
2. With IO in progress execute reset-brick start
3. Now format the disk from back-end, using rm -rf <brick path>
4. Execute reset brick commit and check for the brick is online.
5. Issue volume heal using "gluster vol heal <volname> full"
6. Check arequal for all bricks to verify all backend bricks
including the resetted brick have same data
"""
self.all_mounts_procs = []
for count, mount_obj in enumerate(self.mounts):
cmd = ("/usr/bin/env python %s create_deep_dirs_with_files "
"--dirname-start-num %d --dir-depth 3 --dir-length 5 "
"--max-num-of-dirs 5 --num-of-files 5 %s" % (
self.script_upload_path, count,
mount_obj.mountpoint))
proc = g.run_async(mount_obj.client_system, cmd,
user=mount_obj.user)
self.all_mounts_procs.append(proc)
all_bricks = get_all_bricks(self.mnode, self.volname)
self.assertIsNotNone(all_bricks, "Unable to fetch bricks of volume")
brick_to_reset = choice(all_bricks)
# Start reset brick
ret, _, err = reset_brick(self.mnode, self.volname,
src_brick=brick_to_reset, option="start")
self.assertEqual(ret, 0, err)
g.log.info("Reset brick: %s started", brick_to_reset)
# Validate the brick is offline
ret = are_bricks_offline(self.mnode, self.volname, [brick_to_reset])
self.assertTrue(ret, "Brick:{} is still online".format(brick_to_reset))
# rm -rf of the brick directory
node, brick_path = brick_to_reset.split(":")
ret = rmdir(node, brick_path, force=True)
self.assertTrue(ret, "Unable to delete the brick {} on "
"node {}".format(brick_path, node))
# Reset brick commit
ret, _, err = reset_brick(self.mnode, self.volname,
src_brick=brick_to_reset, option="commit")
self.assertEqual(ret, 0, err)
g.log.info("Reset brick committed successfully")
# Check the brick is online
ret = wait_for_volume_process_to_be_online(self.mnode, self.volname)
self.assertTrue(ret, "Few volume processess are offline for the "
"volume: {}".format(self.volname))
# Trigger full heal
ret = trigger_heal_full(self.mnode, self.volname)
self.assertTrue(ret, "Unable to trigger the heal full command")
# Wait for the heal completion
ret = monitor_heal_completion(self.mnode, self.volname)
self.assertTrue(ret, "Heal didn't complete in 20 mins time")
# Validate io on the clients
ret = validate_io_procs(self.all_mounts_procs, self.mounts)
self.assertTrue(ret, "IO failed on the mounts")
self.all_mounts_procs *= 0
# Check arequal of the back-end bricks after heal completion
all_subvols = get_subvols(self.mnode, self.volname)['volume_subvols']
for subvol in all_subvols:
ret, arequal_from_subvol = collect_bricks_arequal(subvol)
self.assertTrue(ret, "Arequal is collected successfully across the"
" bricks in the subvol {}".format(subvol))
self.assertEqual(len(set(arequal_from_subvol)), 1, "Arequal is "
"same on all the bricks in the subvol")
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