# 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) from glustolibs.gluster.glusterdir import mkdir from glustolibs.misc.misc_libs import upload_scripts @runs_on([['arbiter', 'distributed-arbiter'], ['glusterfs']]) class TestGFIDSelfHeal(GlusterBaseClass): """ Description: Arbiter Test cases related to GFID self heal """ @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 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_gfid_self_heal(self): """ Test GFID self heal Description: - Creating directory test_compilation - Write Deep directories and files - Get arequal before getting bricks offline - Select bricks to bring offline - Bring brick offline - Delete directory on mountpoint where data is writte - Create the same directory and write same data - 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_gfid_self_heal" .format(self.mounts[0].mountpoint)) self.assertTrue(ret, "Failed to create directory") g.log.info("Directory 'test_gfid_self_heal' on %s created " "successfully", self.mounts[0]) # Write Deep directories and files count = 1 for mount_obj in self.mounts: cmd = ("/usr/bin/env python %s create_deep_dirs_with_files " "--dirname-start-num %d --dir-depth 2 " "--dir-length 10 --max-num-of-dirs 5 " "--num-of-files 5 %s/dir1" % ( self.script_upload_path, count, mount_obj.mountpoint)) ret, _, _ = g.run(self.mounts[0].client_system, cmd) self.assertEqual(ret, 0, "Failed to create files on mountpoint") g.log.info("Successfully created files on mountpoint") count += 10 # Get arequal before getting bricks offline ret, result_before_offline = collect_mounts_arequal(self.mounts) self.assertTrue(ret, 'Failed to get arequal') g.log.info('Arequal after getting bricks offline ' 'is %s', result_before_offline) # 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) # Delete directory on mountpoint where data is written cmd = ('rm -rf -v %s/test_gfid_self_heal' % self.mounts[0].mountpoint) ret, _, _ = g.run(self.mounts[0].client_system, cmd) self.assertEqual(ret, 0, "Failed to delete directory") g.log.info("Directory deleted successfully for %s", self.mounts[0]) # Create the same directory and write same data ret = mkdir(self.mounts[0].client_system, "{}/test_gfid_self_heal" .format(self.mounts[0].mountpoint)) self.assertTrue(ret, "Failed to create directory") g.log.info("Directory 'test_gfid_self_heal' on %s created " "successfully", self.mounts[0]) # Write the same files again count = 1 for mount_obj in self.mounts: cmd = ("/usr/bin/env python %s create_deep_dirs_with_files " "--dirname-start-num %d --dir-depth 2 " "--dir-length 10 --max-num-of-dirs 5 " "--num-of-files 5 %s/dir1" % ( self.script_upload_path, count, mount_obj.mountpoint)) ret, _, _ = g.run(self.mounts[0].client_system, cmd) self.assertEqual(ret, 0, "Failed to create files on mountpoint") g.log.info("Successfully created files on mountpoint") count += 10 # Bring bricks online ret = bring_bricks_online( self.mnode, self.volname, bricks_to_bring_offline, bring_bricks_online_methods=['volume_start_force']) self.assertTrue(ret, 'Failed to bring bricks {} online'.format (bricks_to_bring_offline)) g.log.info('Bringing bricks %s online is successful', 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))) g.log.info("Successful in waiting for volume %s processes to be " "online", 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))) g.log.info("Volume %s : All process are online", 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 after getting bricks online ' 'is %s', result_after_online)