# 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, validate_io_procs) from glustolibs.gluster.glusterdir import mkdir @runs_on([['arbiter', 'distributed-arbiter', 'replicated', 'distributed-replicated'], ['glusterfs']]) class TestGlusterCloneHeal(GlusterBaseClass): """ Description: Arbiter Test cases related to self heal of data and hardlink """ 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_gluster_clone_heal(self): """ Test gluster compilation on mount point(Heal command) - Creating directory test_compilation - Compile gluster on mountpoint - Select bricks to bring offline - Bring brick offline - Validate IO - 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 - Compile gluster on mountpoint again - Select bricks to bring offline - Bring brick offline - Validate IO - 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_compilation" .format(self.mounts[0].mountpoint)) self.assertTrue(ret, "Failed to create directory") g.log.info("Directory 'test_compilation' on %s created " "successfully", self.mounts[0]) # Compile gluster on mountpoint cmd = ("cd %s/test_compilation ; rm -rf glusterfs; git clone" " git://github.com/gluster/glusterfs.git ; cd glusterfs ;" " ./autogen.sh ;./configure CFLAGS='-g3 -O0 -DDEBUG'; make ;" " cd ../..;" % self.mounts[0].mountpoint) proc = g.run_async(self.mounts[0].client_system, cmd) # 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) # Validate IO self.assertTrue( validate_io_procs([proc], self.mounts[0]), "IO failed on some of the clients" ) # Bring bricks online ret = bring_bricks_online(self.mnode, self.volname, bricks_to_bring_offline) self.assertTrue(ret, 'Failed to bring bricks {} online'.format (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))) # 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))) # 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 of mountpoint %s", result_after_online) # Compile gluster on mountpoint again proc1 = g.run_async(self.mounts[0].client_system, cmd) # 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)) # Validate IO self.assertTrue( validate_io_procs([proc1], self.mounts[0]), "IO failed on some of the clients" ) # Bring bricks online ret = bring_bricks_online(self.mnode, self.volname, bricks_to_bring_offline) self.assertTrue(ret, 'Failed to bring bricks {} online'.format (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))) # 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))) # 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') # 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 of mountpoint %s", result_after_online)