diff options
Diffstat (limited to 'tests/functional/arbiter')
| -rwxr-xr-x | tests/functional/arbiter/test_handling_data_split_brain_of_files_heal_command.py | 371 |
1 files changed, 371 insertions, 0 deletions
diff --git a/tests/functional/arbiter/test_handling_data_split_brain_of_files_heal_command.py b/tests/functional/arbiter/test_handling_data_split_brain_of_files_heal_command.py new file mode 100755 index 000000000..37820ba1a --- /dev/null +++ b/tests/functional/arbiter/test_handling_data_split_brain_of_files_heal_command.py @@ -0,0 +1,371 @@ +# Copyright (C) 2015-2018 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_ops import set_volume_options +from glustolibs.gluster.brick_libs import (bring_bricks_offline, + bring_bricks_online, + are_bricks_offline, + get_all_bricks) +from glustolibs.gluster.heal_libs import (monitor_heal_completion, + is_heal_complete, + is_volume_in_split_brain) +from glustolibs.io.utils import (collect_mounts_arequal, validate_io_procs, + list_all_files_and_dirs_mounts, + wait_for_io_to_complete) +from glustolibs.misc.misc_libs import upload_scripts + + +@runs_on([['replicated'], + ['glusterfs', 'nfs', 'cifs']]) +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) + + self.all_mounts_procs = [] + self.io_validation_complete = False + + # 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") + + # 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_handling_data_split_brain(self): + """ + - create IO + - calculate arequal from mountpoint + - set volume option 'self-heal-daemon' to value "off" + - kill data brick1 + - calculate arequal checksum and compare it + - modify files and directories + - bring back all bricks processes online + - kill data brick3 + - modify files and directories + - calculate arequal from mountpoint + - bring back all bricks processes online + - run the find command to trigger heal from mountpoint + - set volume option 'self-heal-daemon' to value "on" + - check if heal is completed + - check for split-brain + - read files + - calculate arequal checksum and compare it + """ + # pylint: disable=too-many-locals,too-many-statements + + # 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 files + g.log.info('Creating files...') + command = ("cd %s ; " + "for i in `seq 1 10` ; " + "do mkdir dir.$i ; " + "for j in `seq 1 5` ; " + "do dd if=/dev/urandom of=dir.$i/file.$j " + "bs=1K count=1 ; " + "done ; " + "dd if=/dev/urandom of=file.$i bs=1k count=1 ; " + "done" + % 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 + + # 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") + + # Get arequal before getting bricks offline + g.log.info('Getting arequal before getting bricks offline...') + ret, result_before_offline = collect_mounts_arequal(self.mounts) + self.assertTrue(ret, 'Failed to get arequal') + g.log.info('Getting arequal before getting bricks offline ' + 'is successful') + + # Setting options + options = {"self-heal-daemon": "off"} + g.log.info('Setting options %s for volume %s', + options, self.volname) + ret = set_volume_options(self.mnode, self.volname, options) + self.assertTrue(ret, 'Failed to set options %s' % options) + g.log.info("Option 'self-heal-daemon' is set to 'off' successfully") + + # 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) + + # Bring brick 1 offline + bricks_to_bring_offline = [bricks_list[0]] + g.log.info('Bringing bricks %s offline...', bricks_to_bring_offline) + ret = bring_bricks_offline(self.volname, bricks_to_bring_offline) + self.assertTrue(ret, 'Failed to bring bricks %s offline' % + bricks_to_bring_offline) + + ret = are_bricks_offline(self.mnode, self.volname, + bricks_to_bring_offline) + self.assertTrue(ret, 'Bricks %s are not offline' + % bricks_to_bring_offline) + g.log.info('Bringing bricks %s offline is successful', + bricks_to_bring_offline) + + # Get arequal after getting bricks offline + g.log.info('Getting arequal after getting bricks offline...') + ret, result_after_offline = collect_mounts_arequal(self.mounts) + self.assertTrue(ret, 'Failed to get arequal') + g.log.info('Getting arequal after getting bricks offline ' + 'is successful') + + # Comparing arequals before getting bricks offline + # and after getting bricks offline + self.assertEqual(result_before_offline, result_after_offline, + 'Arequals before getting bricks offline ' + 'and after getting bricks offline are not equal') + g.log.info('Arequals before getting bricks offline ' + 'and after getting bricks offline are equal') + + # Modify the data + self.all_mounts_procs = [] + for mount_obj in self.mounts: + g.log.info("Modifying data for %s:%s", + mount_obj.client_system, mount_obj.mountpoint) + # Modify files + g.log.info('Modifying files...') + command = ("cd %s ; " + "for i in `seq 1 10` ; " + "do for j in `seq 1 5` ; " + "do dd if=/dev/urandom of=dir.$i/file.$j " + "bs=1M count=1 ; " + "done ; " + "dd if=/dev/urandom of=file.$i bs=1M count=1 ; " + "done" + % mount_obj.mountpoint) + + proc = g.run_async(mount_obj.client_system, command, + user=mount_obj.user) + self.all_mounts_procs.append(proc) + self.io_validation_complete = False + + # Validate IO + g.log.info("Wait for IO to complete and validate IO ...") + ret = validate_io_procs(self.all_mounts_procs, self.mounts) + self.assertTrue(ret, "IO failed on some of the clients") + self.io_validation_complete = True + g.log.info("IO is successful on all mounts") + + # Bring 1-st brick online + g.log.info('Bringing bricks %s online...', bricks_to_bring_offline) + ret = bring_bricks_online(self.mnode, self.volname, + bricks_to_bring_offline) + self.assertTrue(ret, 'Failed to bring bricks %s online' % + bricks_to_bring_offline) + g.log.info('Bringing bricks %s online is successful', + bricks_to_bring_offline) + + # Bring brick 3rd offline + bricks_to_bring_offline = [bricks_list[-1]] + g.log.info('Bringing bricks %s offline...', bricks_to_bring_offline) + ret = bring_bricks_offline(self.volname, bricks_to_bring_offline) + self.assertTrue(ret, 'Failed to bring bricks %s offline' % + bricks_to_bring_offline) + + ret = are_bricks_offline(self.mnode, self.volname, + bricks_to_bring_offline) + self.assertTrue(ret, 'Bricks %s are not offline' + % bricks_to_bring_offline) + g.log.info('Bringing bricks %s offline is successful', + bricks_to_bring_offline) + + # Modify the data + self.all_mounts_procs = [] + for mount_obj in self.mounts: + g.log.info("Modifying data for %s:%s", + mount_obj.client_system, mount_obj.mountpoint) + # Create files + g.log.info('Modifying files...') + command = ("cd %s ; " + "for i in `seq 1 10` ; " + "do for j in `seq 1 5` ; " + "do dd if=/dev/urandom of=dir.$i/file.$j " + "bs=1M count=1 ; " + "done ; " + "dd if=/dev/urandom of=file.$i bs=1M count=1 ; " + "done" + % 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 + + # 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") + + # Get arequal before getting bricks online + g.log.info('Getting arequal before getting bricks online...') + ret, result_before_online = collect_mounts_arequal(self.mounts) + self.assertTrue(ret, 'Failed to get arequal') + g.log.info('Getting arequal before getting bricks online ' + 'is successful') + + # Bring 3rd brick online + g.log.info('Bringing bricks %s online...', bricks_to_bring_offline) + ret = bring_bricks_online(self.mnode, self.volname, + bricks_to_bring_offline) + self.assertTrue(ret, 'Failed to bring bricks %s online' % + bricks_to_bring_offline) + g.log.info('Bringing bricks %s online is successful', + bricks_to_bring_offline) + + # Mount and unmount mounts + ret = self.unmount_volume(self.mounts) + self.assertTrue(ret, 'Failed to unmount %s' % self.volname) + + ret = self.mount_volume(self.mounts) + self.assertTrue(ret, 'Unable to mount %s' % self.volname) + + # Start heal from mount point + g.log.info('Starting heal from mount point...') + for mount_obj in self.mounts: + g.log.info("Start heal for %s:%s", + mount_obj.client_system, mount_obj.mountpoint) + command = ("python %s read %s" + % (self.script_upload_path, + self.mounts[0].mountpoint)) + ret, _, err = g.run(mount_obj.client_system, command) + self.assertFalse(ret, err) + g.log.info("Heal triggered for %s:%s", + mount_obj.client_system, mount_obj.mountpoint) + g.log.info('Heal triggered for all mountpoints') + + # 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') + + # Reading files + g.log.info('Reading files...') + for mount_obj in self.mounts: + g.log.info("Start reading files for %s:%s", + mount_obj.client_system, mount_obj.mountpoint) + command = ('cd %s/ ; ' + 'for i in `seq 1 10` ; ' + 'do cat file.$i > /dev/null ; ' + 'for j in `seq 1 5` ; ' + 'do cat dir.$i/file.$j > /dev/null ; ' + 'done ; done' + % mount_obj.mountpoint) + ret, _, err = g.run(mount_obj.client_system, command) + self.assertFalse(ret, err) + g.log.info("Reading files successfully for %s:%s", + mount_obj.client_system, mount_obj.mountpoint) + g.log.info('Reading files successfully for all mountpoints') + + # Get arequal after getting bricks online + g.log.info('Getting arequal after getting bricks online...') + ret, result_after_online = collect_mounts_arequal(self.mounts) + self.assertTrue(ret, 'Failed to get arequal') + g.log.info('Getting arequal after getting bricks online ' + 'is successful') + + # Comparing arequals before getting bricks online + # and after getting bricks online + self.assertEqual(result_before_online, result_after_online, + 'Arequals before getting bricks online ' + 'and after getting bricks online are not equal') + g.log.info('Arequals before getting bricks online ' + 'and after getting bricks online are equal') |