# Copyright (C) 2015-2020 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_ops import set_volume_options 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_bricks_to_bring_offline, bring_bricks_offline, bring_bricks_online, are_bricks_offline) from glustolibs.gluster.heal_libs import ( monitor_heal_completion, is_heal_complete, is_volume_in_split_brain, is_shd_daemonized) from glustolibs.gluster.heal_ops import trigger_heal from glustolibs.misc.misc_libs import upload_scripts from glustolibs.io.utils import (collect_mounts_arequal, list_all_files_and_dirs_mounts) @runs_on([['arbiter', 'distributed-arbiter'], ['glusterfs', 'cifs', 'nfs']]) class TestSelfHeal(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 g.log.info("Upload io scripts to clients %s for running IO on mounts", cls.clients) 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')() # 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): """ Cleanup and umount volume """ # 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 self.get_super_method(self, 'tearDown')() def test_entry_self_heal_heal_command(self): """ Test Entry-Self-Heal (heal command) Description: - set the volume option "metadata-self-heal": "off" "entry-self-heal": "off" "data-self-heal": "off" - create IO - get arequal before getting bricks offline - set the volume option "self-heal-daemon": "off" - bring down all bricks processes from selected set - get arequal after getting bricks offline and compare with arequal after bringing bricks offline - modify the data - get arequal before getting bricks online - bring bricks online - set the volume option "self-heal-daemon": "on" - check daemons and start healing - check if heal is completed - check for split-brain - get arequal after getting bricks online and compare with arequal before bringing bricks online """ # pylint: disable=too-many-statements # Setting options g.log.info('Setting options...') options = {"metadata-self-heal": "off", "entry-self-heal": "off", "data-self-heal": "off"} ret = set_volume_options(self.mnode, self.volname, options) self.assertTrue(ret, 'Failed to set options %s' % options) g.log.info("Options " "'metadata-self-heal', " "'entry-self-heal', " "'data-self-heal', " "are set to 'off'") # Start IO on mounts g.log.info("Starting IO on all mounts...") g.log.info("Starting IO on %s:%s", self.mounts[0].client_system, self.mounts[0].mountpoint) cmd = ("/usr/bin/env python %s create_deep_dirs_with_files " "--dir-length 2 " "--dir-depth 2 " "--max-num-of-dirs 2 " "--num-of-files 20 %s/files" % ( self.script_upload_path, self.mounts[0].mountpoint)) ret, _, err = g.run(self.mounts[0].client_system, cmd, user=self.mounts[0].user) self.assertFalse(ret, 'Failed to create the data for %s: %s' % (self.mounts[0].mountpoint, err)) g.log.info('Created IO for %s is successfully', self.mounts[0].mountpoint) # Command list to do different operations with data - # create, rename, copy and delete cmds = ( "/usr/bin/env python %s create_files -f 20 %s/files", "/usr/bin/env python %s mv %s/files", # 'copy' command works incorrect. disable until fixed # "/usr/bin/env python %s copy --dest-dir %s/new_dir %s/files", "/usr/bin/env python %s delete %s", ) for cmd in cmds: # Get arequal before getting bricks offline g.log.info('Getting arequal before getting bricks offline...') ret, arequals = collect_mounts_arequal(self.mounts) self.assertTrue(ret, 'Failed to get arequal') result_before_offline = arequals[0].splitlines()[-1].split(':')[-1] g.log.info('Getting arequal before getting bricks offline ' 'is successful') # Setting options g.log.info('Setting options...') options = {"self-heal-daemon": "off"} 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") # Select bricks to bring offline bricks_to_bring_offline_dict = (select_bricks_to_bring_offline( self.mnode, self.volname)) bricks_to_bring_offline = ( bricks_to_bring_offline_dict['volume_bricks']) # Bring brick offline 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, arequals = collect_mounts_arequal(self.mounts) self.assertTrue(ret, 'Failed to get arequal') result_after_offline = arequals[0].splitlines()[-1].split(':')[-1] g.log.info('Getting arequal after getting bricks offline ' 'is successful') # Checking arequals before bringing bricks offline # and after bringing bricks offline self.assertEqual(result_before_offline, result_after_offline, 'Checksums are not equal') g.log.info('Checksums before bringing bricks offline ' 'and after bringing bricks offline are equal') # Modify the data g.log.info("Start modifying IO on all mounts...") g.log.info("Modifying IO on %s:%s", self.mounts[0].client_system, self.mounts[0].mountpoint) if 'copy --dest-dir' in cmd: parsed_cmd = cmd % (self.script_upload_path, self.mounts[0].mountpoint, self.mounts[0].mountpoint) else: parsed_cmd = cmd % (self.script_upload_path, self.mounts[0].mountpoint) ret, _, err = g.run(self.mounts[0].client_system, parsed_cmd, user=self.mounts[0].user) self.assertFalse(ret, 'Failed to modify the data for %s: %s' % (self.mounts[0].mountpoint, err)) g.log.info('Modified IO for %s is successfully', self.mounts[0].mountpoint) # Get arequal before getting bricks online g.log.info('Getting arequal before getting bricks online...') ret, arequals = collect_mounts_arequal(self.mounts) self.assertTrue(ret, 'Failed to get arequal') result_before_online = arequals[0].splitlines()[-1].split(':')[-1] g.log.info('Getting arequal before getting bricks online ' 'is successful') # 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") # Bring 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) # Setting options g.log.info('Setting options...') options = {"self-heal-daemon": "on"} 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 'on' successfully") # Wait for volume processes to be online g.log.info("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 %s processes to " "be online", self.volname)) g.log.info("Successful in waiting for volume %s processes to be " "online", self.volname) # Verify volume's all process are online g.log.info("Verifying volume's all process are online") ret = verify_all_process_of_volume_are_online(self.mnode, self.volname) self.assertTrue(ret, ("Volume %s : All process are not online" % self.volname)) g.log.info("Volume %s : All process are online", self.volname) # Wait for self-heal-daemons to be online g.log.info("Waiting for self-heal-daemons to be online") ret = is_shd_daemonized(self.all_servers) self.assertTrue(ret, "Either No self heal daemon process found") g.log.info("All self-heal-daemons are online") # 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 after getting bricks online g.log.info('Getting arequal after getting bricks online...') ret, arequals = collect_mounts_arequal(self.mounts) self.assertTrue(ret, 'Failed to get arequal') result_after_online = arequals[0].splitlines()[-1].split(':')[-1] g.log.info('Getting arequal after getting bricks online ' 'is successful') # 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") # Checking arequals before bringing bricks online # and after bringing bricks online self.assertEqual(result_before_online, result_after_online, 'Checksums are not equal') g.log.info('Checksums before bringing bricks online ' 'and after bringing bricks online are equal')