# 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.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.gluster.heal_ops import trigger_heal from glustolibs.misc.misc_libs import upload_scripts from glustolibs.io.utils import (collect_mounts_arequal, validate_io_procs, wait_for_io_to_complete) @runs_on([['replicated'], ['glusterfs', 'cifs', 'nfs']]) class VerifySelfHealTriggersHealCommand(GlusterBaseClass): """ Description: Verify self-heal Triggers with self heal with heal command """ @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) # Override Volumes if cls.volume_type == "replicated": # Define x2 replicated volume cls.volume['voltype'] = { 'type': 'replicated', 'replica_count': 2, 'transport': 'tcp'} 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") # 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_multiple_clients_dd_on_same_file_default(self): """ - Create 2GB file - While creating file, start reading file - Bring down brick1 - Bring back the brick brick1 - Start healing - Bring down brick1 - Wait for IO to complete - Wait for reading to complete - Bring back the brick brick1 - Start healing - Wait for heal to complete - Check for split-brain - Calculate arequals on all the bricks and compare with mountpoint """ # pylint: disable=too-many-statements,too-many-locals bricks_list = get_all_bricks(self.mnode, self.volname) self.assertIsNotNone(bricks_list, 'Brick list is None') # 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 ; " "dd if=/dev/urandom of=test_file bs=1M count=2020" % 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 # Reading files on client side all_mounts_procs_read = [] for mount_obj in self.mounts: g.log.info("Reading data for %s:%s", mount_obj.client_system, mount_obj.mountpoint) # Create files g.log.info('Reading files...') command = ("python %s read %s" % (self.script_upload_path, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, command, user=mount_obj.user) all_mounts_procs_read.append(proc) # Bring brick1 offline g.log.info('Bringing bricks %s offline...', bricks_list[1]) ret = bring_bricks_offline(self.volname, [bricks_list[1]]) self.assertTrue(ret, 'Failed to bring bricks %s offline' % bricks_list[1]) ret = are_bricks_offline(self.mnode, self.volname, [bricks_list[1]]) self.assertTrue(ret, 'Bricks %s are not offline' % bricks_list[1]) g.log.info('Bringing bricks %s offline is successful', bricks_list[1]) # Bring brick1 online g.log.info('Bringing bricks %s online...', bricks_list[1]) ret = bring_bricks_online(self.mnode, self.volname, [bricks_list[1]]) self.assertTrue(ret, 'Failed to bring bricks %s online' % bricks_list[1]) g.log.info('Bringing bricks %s online is successful', bricks_list[1]) # Start healing ret = trigger_heal(self.mnode, self.volname) self.assertTrue(ret, 'Heal is not started') g.log.info('Healing is started') # Bring brick1 offline g.log.info('Bringing bricks %s offline...', bricks_list[1]) ret = bring_bricks_offline(self.volname, [bricks_list[1]]) self.assertTrue(ret, 'Failed to bring bricks %s offline' % bricks_list[1]) ret = are_bricks_offline(self.mnode, self.volname, [bricks_list[1]]) self.assertTrue(ret, 'Bricks %s are not offline' % bricks_list[1]) g.log.info('Bringing bricks %s offline is successful', bricks_list[1]) # Validate IO self.assertTrue( validate_io_procs(self.all_mounts_procs, self.mounts), "IO failed on some of the clients" ) # Validate reading self.assertTrue( validate_io_procs(all_mounts_procs_read, self.mounts), "Reading failed on some of the clients" ) self.io_validation_complete = True # Bring brick1 online g.log.info('Bringing bricks %s online...', bricks_list[1]) ret = bring_bricks_online(self.mnode, self.volname, [bricks_list[1]]) self.assertTrue(ret, 'Failed to bring bricks %s online' % bricks_list[1]) g.log.info('Bringing bricks %s online is successful', bricks_list[1]) # Start healing ret = trigger_heal(self.mnode, self.volname) self.assertTrue(ret, 'Heal is not started') g.log.info('Healing is started') # 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 for mount g.log.info('Getting arequal...') ret, arequals = collect_mounts_arequal(self.mounts) self.assertTrue(ret, 'Failed to get arequal') g.log.info('Getting arequal after healing is successful') mount_point_total = arequals[0].splitlines()[-1].split(':')[-1] # Get arequal on bricks and compare with mount_point_total # It should be the same g.log.info('Getting arequal on bricks...') arequals_after_heal = {} for brick in bricks_list: g.log.info('Getting arequal on bricks %s...', brick) node, brick_path = brick.split(':') command = ('arequal-checksum -p %s ' '-i .glusterfs -i .landfill -i .trashcan' % brick_path) ret, arequal, _ = g.run(node, command) self.assertFalse(ret, 'Failed to get arequal on brick %s' % brick) g.log.info('Getting arequal for %s is successful', brick) brick_total = arequal.splitlines()[-1].split(':')[-1] arequals_after_heal[brick] = brick_total self.assertEqual(mount_point_total, brick_total, 'Arequals for mountpoint and %s are not equal' % brick) g.log.info('Arequals for mountpoint and %s are equal', brick) g.log.info('All arequals are equal')