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| -rwxr-xr-x | tests/functional/arbiter/test_heal_full_after_deleting_the_files_from_bricks.py | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/tests/functional/arbiter/test_heal_full_after_deleting_the_files_from_bricks.py b/tests/functional/arbiter/test_heal_full_after_deleting_the_files_from_bricks.py new file mode 100755 index 000000000..8e11af6e4 --- /dev/null +++ b/tests/functional/arbiter/test_heal_full_after_deleting_the_files_from_bricks.py @@ -0,0 +1,202 @@ +# 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 get_subvols +from glustolibs.gluster.heal_libs import (monitor_heal_completion, + is_heal_complete, + is_volume_in_split_brain, + is_shd_daemon_running) +from glustolibs.misc.misc_libs import upload_scripts +from glustolibs.io.utils import (collect_mounts_arequal, + validate_io_procs, + list_all_files_and_dirs_mounts, + wait_for_io_to_complete) +from glustolibs.gluster.gluster_init import (start_glusterd, + stop_glusterd) +from glustolibs.misc.misc_libs import kill_process + + +@runs_on([['arbiter', 'distributed-arbiter'], + ['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 + 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 setUp + self.get_super_method(self, 'setUp')() + + self.all_mounts_procs = [] + self.io_validation_complete = False + + # 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: + 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 + ret = list_all_files_and_dirs_mounts(self.mounts) + if not ret: + raise ExecutionError("Failed to list all files and dirs") + + # 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_heal_full_after_deleting_files(self): + """ + - Create IO + - Calculate arequal from mount + - kill glusterd process and glustershd process on arbiter nodes + - Delete data from backend from the arbiter nodes + - Start glusterd process and force start the volume + to bring the processes online + - Check if heal is completed + - Check for split-brain + - 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 dirs with file + command = ("/usr/bin/env python %s create_deep_dirs_with_files " + "-d 2 -l 2 -n 2 -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 + + # 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 killing gluster processes on arbiter node + ret, result_before_killing_procs = collect_mounts_arequal(self.mounts) + self.assertTrue(ret, 'Failed to get arequal') + g.log.info('Getting arequal before getting bricks offline ' + 'is successful') + + # Kill glusterd process and glustershd process on arbiter node + subvols = get_subvols(self.mnode, self.volname)['volume_subvols'] + for subvol in subvols: + arbiter = subvol[-1] + node, brick_path = arbiter.split(':') + # Stop glusterd + ret = stop_glusterd(node) + self.assertTrue(ret, "Failed to stop the glusterd on arbiter node") + # Stop glustershd + ret = kill_process(node, "glustershd") + if not ret: + # Validate glustershd process is not running + self.assertFalse( + is_shd_daemon_running(self.mnode, node, self.volname), + "The glustershd process is still running.") + g.log.info('Killed glusterd and glustershd for all arbiter ' + 'brick successfully') + + # Delete data from backend from the arbiter node + for subvol in subvols: + arbiter = subvol[-1] + # Clearing the arbiter bricks + node, brick_path = arbiter.split(':') + ret, _, err = g.run(node, 'rm -rf %s/*' % brick_path) + self.assertFalse( + ret, err) + g.log.info('Clearing for all arbiter brick is successful') + + # Start glusterd process on each arbiter + for subvol in subvols: + arbiter = subvol[-1] + node, brick_path = arbiter.split(':') + ret = start_glusterd(node) + self.assertTrue( + ret, "Failed to start glusterd on the arbiter node") + + # 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') + + # Get arequal after healing + ret, result_after_healing = 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 before killing arbiter processes + # and after healing + self.assertEqual( + result_before_killing_procs, result_after_healing, + 'Arequals arequals before before killing arbiter ' + 'processes and after healing are not equal') + + g.log.info('Arequals before killing arbiter ' + 'processes and after healing are equal') |