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authorVitalii Koriakov <vkoriako@redhat.com>2018-10-25 15:11:47 +0300
committerVitalii Koriakov <vkoriako@redhat.com>2018-11-15 11:37:49 +0200
commit69277a6e4e95f2479063ab42940a3c32085198ea (patch)
treed520a680ef4bf804d6a67db989d1a17917f790f8
parent35bc2eb0685109cf2e4d0053c1c6d3af6206e614 (diff)
Moved test_metadata_self_heal from afr to arbiter folder
Change-Id: Icd8586f5df4c34a5f0edd4b5a69f864bd2984ade Signed-off-by: Vitalii Koriakov <vkoriako@redhat.com>
-rwxr-xr-xtests/functional/arbiter/test_metadata_self_heal.py404
1 files changed, 404 insertions, 0 deletions
diff --git a/tests/functional/arbiter/test_metadata_self_heal.py b/tests/functional/arbiter/test_metadata_self_heal.py
new file mode 100755
index 0000000..3d0a374
--- /dev/null
+++ b/tests/functional/arbiter/test_metadata_self_heal.py
@@ -0,0 +1,404 @@
+# Copyright (C) 2015-2018 Red Hat, Inc. <http://www.redhat.com>
+#
+# 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,
+ get_all_bricks)
+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, validate_io_procs)
+
+
+@runs_on([['replicated', 'distributed-replicated'],
+ ['glusterfs', 'nfs']])
+class TestMetadataSelfHeal(GlusterBaseClass):
+ """
+ Description:
+ Test cases related to metadata delf heal
+ in default configuration of the volume
+ """
+
+ @classmethod
+ def create_user(cls, host, user):
+ """
+ Creates a user on a host
+ """
+ g.log.info("Creating user '%s' for %s...", user, host)
+ command = "useradd %s" % user
+ _, _, err = g.run(host, command)
+
+ if 'already exists' in err:
+ g.log.warn("User '%s' is already exists on %s", user, host)
+ else:
+ g.log.info("User '%s' is created successfully on %s", user, host)
+
+ @classmethod
+ def delete_user(cls, host, user):
+ """
+ Deletes a user on a host
+ """
+ g.log.info('Deleting user %s from %s...', user, host)
+ command = "userdel -r %s" % user
+ _, _, err = g.run(host, command)
+
+ if 'does not exist' in err:
+ g.log.warn('User %s is already deleted on %s', user, host)
+ else:
+ g.log.info('User %s successfully deleted on %s', user, host)
+
+ @classmethod
+ def setUpClass(cls):
+ # Calling GlusterBaseClass setUpClass
+ GlusterBaseClass.setUpClass.im_func(cls)
+
+ # Overriding the volume type to specifically test the volume type
+ # Change from distributed-replicated to arbiter
+ if cls.volume_type == "distributed-replicated":
+ cls.volume['voltype'] = {
+ 'type': 'distributed-replicated',
+ 'dist_count': 2,
+ 'replica_count': 3,
+ 'arbiter_count': 1,
+ 'transport': 'tcp'}
+
+ # Upload io scripts for running IO on mounts
+ g.log.info("Upload io scripts to clients %s for running IO on mounts",
+ cls.clients)
+ script_local_path = ("/usr/share/glustolibs/io/scripts/"
+ "file_dir_ops.py")
+ cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/"
+ "file_dir_ops.py")
+ ret = upload_scripts(cls.clients, [script_local_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
+ GlusterBaseClass.setUp.im_func(self)
+
+ # Create user qa
+ for mount_object in self.mounts:
+ self.create_user(mount_object.client_system, 'qa')
+
+ for server in self.servers:
+ self.create_user(server, 'qa')
+
+ # 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
+ """
+
+ # Delete user
+ for mount_object in self.mounts:
+ self.delete_user(mount_object.client_system, 'qa')
+
+ for server in self.servers:
+ self.delete_user(server, 'qa')
+
+ # 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
+ GlusterBaseClass.tearDown.im_func(self)
+
+ def test_metadata_self_heal(self):
+ """
+ Test MetaData Self-Heal (heal command)
+
+ Description:
+ - set the volume option
+ "metadata-self-heal": "off"
+ "entry-self-heal": "off"
+ "data-self-heal": "off"
+ - create IO
+ - set the volume option
+ "self-heal-daemon": "off"
+ - bring down all bricks processes from selected set
+ - Change the permissions, ownership and the group
+ of the files under "test_meta_data_self_heal" folder
+ - get arequal before getting bricks online
+ - bring bricks online
+ - set the volume option
+ "self-heal-daemon": "on"
+ - check daemons and start healing
+ - check is heal is completed
+ - check for split-brain
+ - get arequal after getting bricks online and compare with
+ arequal before getting bricks online
+ - check group and user are 'qa'
+ """
+ # 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"}
+ 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', "
+ "are set to 'off' successfully")
+
+ # Creating files on client side
+ all_mounts_procs = []
+ test_meta_data_self_heal_folder = 'test_meta_data_self_heal'
+ g.log.info("Generating data for %s:%s",
+ self.mounts[0].client_system, self.mounts[0].mountpoint)
+
+ # Create files
+ g.log.info('Creating files...')
+ command = ("cd %s/ ; "
+ "mkdir %s ;"
+ "cd %s/ ;"
+ "for i in `seq 1 50` ; "
+ "do dd if=/dev/urandom of=test.$i bs=10k count=1 ; "
+ "done ;"
+ % (self.mounts[0].mountpoint,
+ test_meta_data_self_heal_folder,
+ test_meta_data_self_heal_folder))
+
+ proc = g.run_async(self.mounts[0].client_system, command,
+ user=self.mounts[0].user)
+ all_mounts_procs.append(proc)
+
+ # Validate IO
+ self.assertTrue(
+ validate_io_procs(all_mounts_procs, self.mounts),
+ "IO failed on some of the clients")
+
+ # 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')
+ 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 = 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)
+
+ # Changing the permissions, ownership and the group
+ # of the files under "test_meta_data_self_heal" folder
+ g.log.info("Modifying data for %s:%s",
+ self.mounts[0].client_system, self.mounts[0].mountpoint)
+
+ # Change permissions to 444
+ g.log.info('Changing permissions...')
+ command = ("cd %s/%s/ ; "
+ "chmod -R 444 *"
+ % (self.mounts[0].mountpoint,
+ test_meta_data_self_heal_folder))
+ ret, out, err = g.run(self.mounts[0].client_system, command)
+ self.assertEqual(ret, 0, err)
+ g.log.info('Permissions are changed successfully')
+
+ # Change the ownership to qa
+ g.log.info('Changing the ownership...')
+ command = ("cd %s/%s/ ; "
+ "chown -R qa *"
+ % (self.mounts[0].mountpoint,
+ test_meta_data_self_heal_folder))
+ ret, out, err = g.run(self.mounts[0].client_system, command)
+ self.assertEqual(ret, 0, err)
+ g.log.info('Ownership is changed successfully')
+
+ # Change the group to qa
+ g.log.info('Changing the group...')
+ command = ("cd %s/%s/ ; "
+ "chgrp -R qa *"
+ % (self.mounts[0].mountpoint,
+ test_meta_data_self_heal_folder))
+ ret, out, err = g.run(self.mounts[0].client_system, command)
+ self.assertEqual(ret, 0, err)
+ g.log.info('Group is changed successfully')
+
+ # Get arequal before getting bricks online
+ g.log.info('Getting arequal before getting bricks online...')
+ ret, result_before_online = collect_mounts_arequal(self.mounts)
+ self.assertTrue(ret, 'Failed to get arequal')
+ g.log.info('Getting arequal 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')
+ 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, ("Volume process %s not online "
+ "despite waiting for 5 minutes", 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, result_after_online = collect_mounts_arequal(self.mounts)
+ self.assertTrue(ret, 'Failed to get arequal')
+ g.log.info('Getting arequal after getting bricks online '
+ 'is successful')
+
+ # Checking arequals before bringing bricks online
+ # and after bringing bricks online
+ self.assertItemsEqual(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')
+
+ # Adding servers and client in single dict to check permissions
+ nodes_to_check = {}
+ all_bricks = get_all_bricks(self.mnode, self.volname)
+ for brick in all_bricks:
+ node, brick_path = brick.split(':')
+ nodes_to_check[node] = brick_path
+ nodes_to_check[self.mounts[0].client_system] = \
+ self.mounts[0].mountpoint
+
+ # Checking for user and group
+ for node in nodes_to_check:
+ # Get file list
+ command = ("cd %s/%s/ ; "
+ "ls"
+ % (nodes_to_check[node],
+ test_meta_data_self_heal_folder))
+ ret, out, err = g.run(node, command)
+ file_list = out.split()
+
+ g.log.info('Checking for user and group on %s...', node)
+ conn = g.rpyc_get_connection(node)
+ if conn is None:
+ raise Exception("Unable to get connection on node %s" % node)
+
+ for file_name in file_list:
+ file_to_check = '%s/%s/%s' % (nodes_to_check[node],
+ test_meta_data_self_heal_folder,
+ file_name)
+
+ g.log.info('Checking for permissions, user and group for %s',
+ file_name)
+ # Check for permissions
+ permissions = oct(
+ conn.modules.os.stat(file_to_check).st_mode)[-3:]
+ self.assertEqual(permissions, '444',
+ 'Permissions %s is not equal to 444'
+ % permissions)
+ g.log.info("Permissions are '444' for %s", file_name)
+
+ # Check for user
+ uid = conn.modules.os.stat(file_to_check).st_uid
+ username = conn.modules.pwd.getpwuid(uid).pw_name
+ self.assertEqual(username, 'qa', 'User %s is not equal qa'
+ % username)
+ g.log.info("User is 'qa' for %s", file_name)
+
+ # Check for group
+ gid = conn.modules.os.stat(file_to_check).st_gid
+ groupname = conn.modules.grp.getgrgid(gid).gr_name
+ self.assertEqual(groupname, 'qa', 'Group %s is not equal qa'
+ % groupname)
+ g.log.info("Group is 'qa' for %s", file_name)
+
+ g.rpyc_close_connection(host=node)