From 859fe721ae12b4d4eeb342954805ce2b51120d7e Mon Sep 17 00:00:00 2001 From: ubansal Date: Thu, 6 Aug 2020 12:01:46 +0530 Subject: [Test] Tests gfid self heal on arbiter volume Steps: 1.Create a volume and mount it 2.Create a directory say d1 3.Create deep directories and files in d1 4.Bring down redundant bricks 5.Delete d1 6.Create d1 and same data again 7.Bring bricks up 8.Monitor heal 9.Verify split-brain Change-Id: I778fab6bf6d9f81fca79fe18285073e1f7ccc7e7 Signed-off-by: ubansal --- tests/functional/arbiter/test_gfid_self_heal.py | 206 ++++++++++++++++++++++++ 1 file changed, 206 insertions(+) create mode 100644 tests/functional/arbiter/test_gfid_self_heal.py diff --git a/tests/functional/arbiter/test_gfid_self_heal.py b/tests/functional/arbiter/test_gfid_self_heal.py new file mode 100644 index 000000000..9ed4a8767 --- /dev/null +++ b/tests/functional/arbiter/test_gfid_self_heal.py @@ -0,0 +1,206 @@ +# Copyright (C) 2020 Red Hat, Inc. +# +# 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) +from glustolibs.gluster.glusterdir import mkdir +from glustolibs.misc.misc_libs import upload_scripts + + +@runs_on([['arbiter', 'distributed-arbiter'], ['glusterfs']]) +class TestGFIDSelfHeal(GlusterBaseClass): + + """ + Description: + Arbiter Test cases related to GFID self heal + """ + @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 %s" + % cls.clients) + g.log.info("Successfully uploaded IO scripts to clients %s", + cls.clients) + + 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_gfid_self_heal(self): + """ + Test GFID self heal + Description: + - Creating directory test_compilation + - Write Deep directories and files + - Get arequal before getting bricks offline + - Select bricks to bring offline + - Bring brick offline + - Delete directory on mountpoint where data is writte + - Create the same directory and write same data + - 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_gfid_self_heal" + .format(self.mounts[0].mountpoint)) + self.assertTrue(ret, "Failed to create directory") + g.log.info("Directory 'test_gfid_self_heal' on %s created " + "successfully", self.mounts[0]) + + # Write Deep directories and files + count = 1 + for mount_obj in self.mounts: + cmd = ("/usr/bin/env python %s create_deep_dirs_with_files " + "--dirname-start-num %d --dir-depth 2 " + "--dir-length 10 --max-num-of-dirs 5 " + "--num-of-files 5 %s/dir1" % ( + self.script_upload_path, count, + mount_obj.mountpoint)) + ret, _, _ = g.run(self.mounts[0].client_system, cmd) + self.assertEqual(ret, 0, "Failed to create files on mountpoint") + g.log.info("Successfully created files on mountpoint") + count += 10 + + # Get arequal before getting bricks offline + ret, result_before_offline = collect_mounts_arequal(self.mounts) + self.assertTrue(ret, 'Failed to get arequal') + g.log.info('Arequal after getting bricks offline ' + 'is %s', result_before_offline) + + # 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) + + # Delete directory on mountpoint where data is written + cmd = ('rm -rf -v %s/test_gfid_self_heal' % self.mounts[0].mountpoint) + ret, _, _ = g.run(self.mounts[0].client_system, cmd) + self.assertEqual(ret, 0, "Failed to delete directory") + g.log.info("Directory deleted successfully for %s", self.mounts[0]) + + # Create the same directory and write same data + ret = mkdir(self.mounts[0].client_system, "{}/test_gfid_self_heal" + .format(self.mounts[0].mountpoint)) + self.assertTrue(ret, "Failed to create directory") + g.log.info("Directory 'test_gfid_self_heal' on %s created " + "successfully", self.mounts[0]) + + # Write the same files again + count = 1 + for mount_obj in self.mounts: + cmd = ("/usr/bin/env python %s create_deep_dirs_with_files " + "--dirname-start-num %d --dir-depth 2 " + "--dir-length 10 --max-num-of-dirs 5 " + "--num-of-files 5 %s/dir1" % ( + self.script_upload_path, count, + mount_obj.mountpoint)) + ret, _, _ = g.run(self.mounts[0].client_system, cmd) + self.assertEqual(ret, 0, "Failed to create files on mountpoint") + g.log.info("Successfully created files on mountpoint") + count += 10 + + # Bring bricks online + ret = bring_bricks_online( + self.mnode, self.volname, + bricks_to_bring_offline, + bring_bricks_online_methods=['volume_start_force']) + self.assertTrue(ret, 'Failed to bring bricks {} online'.format + (bricks_to_bring_offline)) + g.log.info('Bringing bricks %s online is successful', + 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))) + g.log.info("Successful in waiting for volume %s processes to be " + "online", 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))) + g.log.info("Volume %s : All process are online", 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 after getting bricks online ' + 'is %s', result_after_online) -- cgit