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authorVitalii Koriakov <vkoriako@redhat.com>2018-01-22 15:05:04 +0200
committerNigel Babu <nigelb@redhat.com>2018-04-30 07:32:47 +0000
commitee735df9a5cbc82658dff79ad0d149ea508b81d7 (patch)
tree3e59ae66fa58833ef23f0550bb49892bcb3d4563 /tests/functional/afr
parent9fa70bf5c850395d7843fee1888f9c39dd7f8c9e (diff)
Test Self-Heal of Symbolic Links (heal command)
Change-Id: Ie4a4b323e2b7e57e3896550b6f9b7db28fba03b7 Signed-off-by: Vitalii Koriakov <vkoriako@redhat.com>
Diffstat (limited to 'tests/functional/afr')
-rwxr-xr-xtests/functional/afr/heal/test_self_heal.py245
1 files changed, 245 insertions, 0 deletions
diff --git a/tests/functional/afr/heal/test_self_heal.py b/tests/functional/afr/heal/test_self_heal.py
index bf49c0d..42d7ece 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')