From ee735df9a5cbc82658dff79ad0d149ea508b81d7 Mon Sep 17 00:00:00 2001 From: Vitalii Koriakov Date: Mon, 22 Jan 2018 15:05:04 +0200 Subject: Test Self-Heal of Symbolic Links (heal command) Change-Id: Ie4a4b323e2b7e57e3896550b6f9b7db28fba03b7 Signed-off-by: Vitalii Koriakov --- tests/functional/afr/heal/test_self_heal.py | 245 ++++++++++++++++++++++++++++ 1 file changed, 245 insertions(+) (limited to 'tests/functional/afr') diff --git a/tests/functional/afr/heal/test_self_heal.py b/tests/functional/afr/heal/test_self_heal.py index bf49c0d98..42d7eceae 100755 --- a/tests/functional/afr/heal/test_self_heal.py +++ b/tests/functional/afr/heal/test_self_heal.py @@ -1346,3 +1346,248 @@ class TestSelfHeal(GlusterBaseClass): 'after bringing bricks online are not equal') g.log.info('Checksums before and after bringing bricks online ' 'are equal') + + def test_self_heal_symbolic_links(self): + """ + Test Self-Heal of Symbolic Links (heal command) + + Description: + - set the volume option + "metadata-self-heal": "off" + "entry-self-heal": "off" + "data-self-heal": "off" + "data-self-heal-algorithm": "diff" + "self-heal-daemon": "off" + - create IO + - calculate areequal + - bring down all bricks processes from selected set + - calculate areequals and compare with arequal + before bringing bricks offline + - modify the data and verify whether the links are properly created + - calculate areequal before getting bricks online + - bring bricks online + - set the volume option + "self-heal-daemon": "on" + - check daemons and start healing + - check is heal is complited + - check for split-brain + - calculate areequal after getting bricks online and compare with + areequal before getting bricks online + """ + # pylint: disable=too-many-locals,too-many-statements + # Setting options + g.log.info('Setting options...') + options = {"metadata-self-heal": "off", + "entry-self-heal": "off", + "data-self-heal": "off", + "self-heal-daemon": "off"} + ret = set_volume_options(self.mnode, self.volname, options) + self.assertTrue(ret, 'Failed to set options') + g.log.info("Options " + "'metadata-self-heal', " + "'entry-self-heal', " + "'data-self-heal', " + "'self-heal-daemon' " + "are set to 'off' successfully") + + # Creating files on client side + test_sym_link_self_heal_folder = 'test_sym_link_self_heal' + for mount_object in self.mounts: + g.log.info("Generating data for %s:%s", + mount_object.client_system, mount_object.mountpoint) + # Creating files + command = ("cd %s/ ; " + "mkdir %s ; " + "cd %s/ ;" + "for i in `seq 1 5` ; " + "do mkdir dir.$i ; " + "for j in `seq 1 10` ; " + "do dd if=/dev/urandom of=dir.$i/file.$j " + "bs=1k count=$j ; " + "done ; " + "done ;" + % (mount_object.mountpoint, + test_sym_link_self_heal_folder, + test_sym_link_self_heal_folder)) + + proc = g.run_async(mount_object.client_system, command, + user=mount_object.user) + self.all_mounts_procs.append(proc) + + # Validate IO + g.log.info("Wait for IO to complete and validate IO ...") + ret = validate_io_procs(self.all_mounts_procs, self.mounts) + self.io_validation_complete = True + self.assertTrue(ret, "IO failed on some of the clients") + g.log.info("IO is successful on all mounts") + + # Get areequal before getting bricks offline + g.log.info('Getting areequal before getting bricks offline...') + ret, result_before_offline = collect_mounts_arequal(self.mounts) + self.assertTrue(ret, 'Failed to get arequal') + g.log.info('Getting areequal before getting bricks offline ' + 'is successful') + + # Select bricks to bring offline + bricks_to_bring_offline_dict = (select_bricks_to_bring_offline( + self.mnode, self.volname)) + bricks_to_bring_offline = filter(None, ( + bricks_to_bring_offline_dict['hot_tier_bricks'] + + bricks_to_bring_offline_dict['cold_tier_bricks'] + + 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 areequal after getting bricks offline + g.log.info('Getting areequal after getting bricks offline...') + ret, result_after_offline = collect_mounts_arequal(self.mounts) + self.assertTrue(ret, 'Failed to get arequal') + g.log.info('Getting areequal after getting bricks offline ' + 'is successful') + + # Checking areequals before bringing bricks offline + # and after bringing bricks offline + self.assertItemsEqual(result_before_offline, result_after_offline, + 'Checksums before and ' + 'after bringing bricks online are not equal') + g.log.info('Checksums before and after bringing bricks online ' + 'are equal') + + # Modify the data + for mount_object in self.mounts: + g.log.info("Modifying data for %s:%s", + mount_object.client_system, mount_object.mountpoint) + # Create symlinks + g.log.info('Creating symlinks...') + command = ("cd %s/%s/ ; " + "for i in `seq 1 5` ; " + "do ln -s dir.$i sym_link_dir.$i ; " + "done ;" + % (mount_object.mountpoint, + test_sym_link_self_heal_folder)) + ret, _, _ = g.run(mount_object.client_system, command) + self.assertEqual(ret, 0, 'Failed to modify the data for %s...' + % mount_object.mountpoint) + g.log.info('Modifying the data for %s is successful', + mount_object.mountpoint) + + # Verify whether the links are properly created + # Get symlink list + command = ("cd %s/%s/ ; " + "ls |grep 'sym'" + % (mount_object.mountpoint, + test_sym_link_self_heal_folder)) + _, out, _ = g.run(mount_object.client_system, command) + symlink_list = out.strip().split('\n') + + # Get folder list + command = ("cd %s/%s/ ; " + "ls |grep -v 'sym'" + % (mount_object.mountpoint, + test_sym_link_self_heal_folder)) + _, out, _ = g.run(mount_object.client_system, command) + folder_list = out.strip().split('\n') + + # Compare symlinks and folders + for symlink in symlink_list: + symlink_index = symlink_list.index(symlink) + command = ("cd %s/%s/ ; " + "readlink %s" + % (mount_object.mountpoint, + test_sym_link_self_heal_folder, + symlink)) + _, out, _ = g.run(mount_object.client_system, command) + symlink_to_folder = out.strip() + self.assertEqual(symlink_to_folder, folder_list[symlink_index], + 'Links are not properly created') + g.log.info('Links for %s are properly created', + mount_object.mountpoint) + + # Get areequal before getting bricks online + g.log.info('Getting areequal before getting bricks online...') + ret, result_before_online = collect_mounts_arequal(self.mounts) + self.assertTrue(ret, 'Failed to get arequal') + g.log.info('Getting areequal before getting bricks online ' + '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 areequal after getting bricks online + g.log.info('Getting areequal after getting bricks online...') + ret, result_after_online = collect_mounts_arequal(self.mounts) + self.assertTrue(ret, 'Failed to get arequal') + g.log.info('Getting areequal after getting bricks online ' + 'is successful') + + # Checking areequals before bringing bricks online + # and after bringing bricks online + self.assertItemsEqual(result_before_online, result_after_online, + 'Checksums before and ' + 'after bringing bricks online are not equal') + g.log.info('Checksums before and after bringing bricks online ' + 'are equal') -- cgit