From a476f85b73d1f976cce7b59c6ee30469e8d2f74e Mon Sep 17 00:00:00 2001 From: Vitalii Koriakov Date: Fri, 1 Jun 2018 10:41:35 +0300 Subject: Ttest replacing all arbiter bricks in the volume Change-Id: Iff0e832ebcad14968328c7d7575d120ba8152252 Signed-off-by: Vitalii Koriakov --- ...t_replacing_all_arbiter_bricks_in_the_volume.py | 242 +++++++++++++++++++++ 1 file changed, 242 insertions(+) create mode 100755 tests/functional/arbiter/test_replacing_all_arbiter_bricks_in_the_volume.py (limited to 'tests/functional/arbiter') diff --git a/tests/functional/arbiter/test_replacing_all_arbiter_bricks_in_the_volume.py b/tests/functional/arbiter/test_replacing_all_arbiter_bricks_in_the_volume.py new file mode 100755 index 000000000..1bb0fa317 --- /dev/null +++ b/tests/functional/arbiter/test_replacing_all_arbiter_bricks_in_the_volume.py @@ -0,0 +1,242 @@ +# Copyright (C) 2015-2018 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, + get_subvols) +from glustolibs.gluster.brick_libs import get_all_bricks +from glustolibs.gluster.brick_ops import replace_brick +from glustolibs.gluster.heal_libs import (monitor_heal_completion, + is_heal_complete, + is_volume_in_split_brain, + is_shd_daemonized) +from glustolibs.misc.misc_libs import upload_scripts +from glustolibs.io.utils import (validate_io_procs, + list_all_files_and_dirs_mounts, + wait_for_io_to_complete) + + +@runs_on([['distributed-replicated'], + ['glusterfs', 'nfs']]) +class TestArbiterSelfHeal(GlusterBaseClass): + """ + Description: + Arbiter Test cases related to + healing in default configuration of the volume + """ + @classmethod + def setUpClass(cls): + # Calling GlusterBaseClass setUpClass + GlusterBaseClass.setUpClass.im_func(cls) + + # Upload io scripts for running IO on mounts + g.log.info("Upload io scripts to clients %s for running IO on mounts", + cls.clients) + script_local_path = ("/usr/share/glustolibs/io/scripts/" + "file_dir_ops.py") + cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/" + "file_dir_ops.py") + ret = upload_scripts(cls.clients, [script_local_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 setUp + GlusterBaseClass.setUp.im_func(self) + + # Setup Volumes + if self.volume_type == "distributed-replicated": + self.volume_configs = [] + + # Redefine distributed-replicated volume + self.volume['voltype'] = { + 'type': 'distributed-replicated', + 'replica_count': 3, + 'dist_count': 4, + 'arbiter_count': 1, + 'transport': 'tcp'} + + self.all_mounts_procs = [] + self.io_validation_complete = False + self.bricks_to_clean = [] + + # Setup Volume and Mount Volume + g.log.info("Starting to 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): + """ + If test method failed before validating IO, tearDown waits for the + IO's to complete and checks for the IO exit status + + Cleanup and umount volume + """ + if not self.io_validation_complete: + g.log.info("Wait for IO to complete as IO validation did not " + "succeed in test method") + ret = wait_for_io_to_complete(self.all_mounts_procs, self.mounts) + if not ret: + raise ExecutionError("IO failed on some of the clients") + g.log.info("IO is successful on all mounts") + + # List all files and dirs created + g.log.info("List all files and directories:") + ret = list_all_files_and_dirs_mounts(self.mounts) + if not ret: + raise ExecutionError("Failed to list all files and dirs") + g.log.info("Listing all files and directories is successful") + + # Clear arbiter brick folders before replacing bricks. + if self.bricks_to_clean: + for brick in self.bricks_to_clean: + g.log.info('Clearing brick %s', brick) + node, brick_path = brick.split(':') + ret, _, err = g.run(node, 'rm -rf %s' % brick_path) + self.assertFalse(ret, err) + g.log.info('Clearing brick %s is successful', brick) + g.log.info('Clearing for all brick is successful') + + # Cleanup and umount volume + g.log.info("Starting to Unmount Volume and Cleanup 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 + GlusterBaseClass.tearDown.im_func(self) + + def test_replacing_all_arbiters(self): + """ + - Create an arbiter volume 4(2+1) distributed replicate + - Start writing IO + - While the I/O's are going on replace all the arbiter bricks + - check for the new bricks attached successfully + - Check for heals + - Validate IO + """ + # pylint: disable=too-many-locals,too-many-statements + # get the bricks for the volume + g.log.info("Fetching bricks for the volume: %s", self.volname) + bricks_list = get_all_bricks(self.mnode, self.volname) + g.log.info("Brick list: %s", bricks_list) + + # Clear all brick folders. Its need to prevent healing with old files + for brick in bricks_list: + g.log.info('Clearing brick %s', brick) + node, brick_path = brick.split(':') + ret, _, err = g.run(node, 'cd %s/ ; rm -rf *' % brick_path) + self.assertFalse(ret, err) + g.log.info('Clearing brick %s is successful', brick) + g.log.info('Clearing for all brick is successful') + + # Creating files on client side + for mount_obj in self.mounts: + g.log.info("Generating data for %s:%s", + mount_obj.client_system, mount_obj.mountpoint) + # Create dirs with file + g.log.info('Creating dirs with file...') + command = ("python %s create_deep_dirs_with_files " + "-d 3 " + "-l 3 " + "-n 3 " + "-f 20 " + "%s" + % (self.script_upload_path, mount_obj.mountpoint)) + + proc = g.run_async(mount_obj.client_system, command, + user=mount_obj.user) + self.all_mounts_procs.append(proc) + self.io_validation_complete = False + + # replace bricks + subvols = get_subvols(self.mnode, self.volname)['volume_subvols'] + for subvol in subvols: + g.log.info('Replacing arbiter brick for %s', subvol) + brick_to_replace = subvol[-1] + self.bricks_to_clean.append(brick_to_replace) + new_brick = brick_to_replace + 'new' + g.log.info("Replacing the brick %s for the volume: %s", + brick_to_replace, self.volname) + ret, _, err = replace_brick(self.mnode, self.volname, + brick_to_replace, new_brick) + self.assertFalse(ret, err) + g.log.info('Replaced brick %s to %s successfully', + brick_to_replace, new_brick) + + # check replaced bricks + subvols = get_subvols(self.mnode, self.volname)['volume_subvols'] + index = 0 + for subvol in subvols: + expected_brick_path = self.bricks_to_clean[index]+'new' + brick_to_check = subvol[-1] + self.assertEqual(expected_brick_path, brick_to_check, + 'Brick %s is not replaced brick' + % brick_to_check) + index += 1 + + # Wait for volume processes to be online + g.log.info("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 %s processes to " + "be online", self.volname)) + g.log.info("Successful in waiting for volume %s processes to be " + "online", self.volname) + + # Verify volume's all process are online + g.log.info("Verifying volume's all process are online") + ret = verify_all_process_of_volume_are_online(self.mnode, + self.volname) + self.assertTrue(ret, ("Volume %s : All process are not online" + % self.volname)) + g.log.info("Volume %s: All process are online", self.volname) + + # Wait for self-heal-daemons to be online + g.log.info("Waiting for self-heal-daemons to be online") + ret = is_shd_daemonized(self.all_servers) + self.assertTrue(ret, "Either No self heal daemon process found") + g.log.info("All self-heal-daemons are online") + + # Monitor heal completion + ret = monitor_heal_completion(self.mnode, self.volname) + self.assertTrue(ret, 'Heal has not yet completed') + + # Check if heal is completed + ret = is_heal_complete(self.mnode, self.volname) + self.assertTrue(ret, 'Heal is not complete') + g.log.info('Heal is completed successfully') + + # 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') + + # Validate IO + g.log.info("Wait for IO to complete and validate IO ...") + ret = validate_io_procs(self.all_mounts_procs, self.mounts) + self.assertTrue(ret, "IO failed on some of the clients") + self.io_validation_complete = True + g.log.info("IO is successful on all mounts") -- cgit