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authorVitalii Koriakov <vkoriako@redhat.com>2018-06-01 10:41:35 +0300
committerNigel Babu <nigelb@redhat.com>2018-06-18 04:20:04 +0000
commita476f85b73d1f976cce7b59c6ee30469e8d2f74e (patch)
tree18c0d11df5520109fba063ff67652642cfee7517 /tests/functional/arbiter
parentaf39d1e53e73a65d4a6b0773dd5eafa362ec1f9b (diff)
Ttest replacing all arbiter bricks in the volume
Change-Id: Iff0e832ebcad14968328c7d7575d120ba8152252 Signed-off-by: Vitalii Koriakov <vkoriako@redhat.com>
Diffstat (limited to 'tests/functional/arbiter')
-rwxr-xr-xtests/functional/arbiter/test_replacing_all_arbiter_bricks_in_the_volume.py242
1 files changed, 242 insertions, 0 deletions
diff --git a/tests/functional/arbiter/test_replacing_all_arbiter_bricks_in_the_volume.py b/tests/functional/arbiter/test_replacing_all_arbiter_bricks_in_the_volume.py
new file mode 100755
index 0000000..1bb0fa3
--- /dev/null
+++ b/tests/functional/arbiter/test_replacing_all_arbiter_bricks_in_the_volume.py
@@ -0,0 +1,242 @@
+# 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_libs import (
+ verify_all_process_of_volume_are_online,
+ wait_for_volume_process_to_be_online,
+ get_subvols)
+from glustolibs.gluster.brick_libs import get_all_bricks
+from glustolibs.gluster.brick_ops import replace_brick
+from glustolibs.gluster.heal_libs import (monitor_heal_completion,
+ is_heal_complete,
+ is_volume_in_split_brain,
+ is_shd_daemonized)
+from glustolibs.misc.misc_libs import upload_scripts
+from glustolibs.io.utils import (validate_io_procs,
+ list_all_files_and_dirs_mounts,
+ wait_for_io_to_complete)
+
+
+@runs_on([['distributed-replicated'],
+ ['glusterfs', 'nfs']])
+class TestArbiterSelfHeal(GlusterBaseClass):
+ """
+ Description:
+ Arbiter Test cases related to
+ healing in default configuration of the volume
+ """
+ @classmethod
+ def setUpClass(cls):
+ # Calling GlusterBaseClass setUpClass
+ GlusterBaseClass.setUpClass.im_func(cls)
+
+ # 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)
+
+ # Setup Volumes
+ if self.volume_type == "distributed-replicated":
+ self.volume_configs = []
+
+ # Redefine distributed-replicated volume
+ self.volume['voltype'] = {
+ 'type': 'distributed-replicated',
+ 'replica_count': 3,
+ 'dist_count': 4,
+ 'arbiter_count': 1,
+ 'transport': 'tcp'}
+
+ self.all_mounts_procs = []
+ self.io_validation_complete = False
+ self.bricks_to_clean = []
+
+ # 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):
+ """
+ If test method failed before validating IO, tearDown waits for the
+ IO's to complete and checks for the IO exit status
+
+ Cleanup and umount volume
+ """
+ if not self.io_validation_complete:
+ g.log.info("Wait for IO to complete as IO validation did not "
+ "succeed in test method")
+ ret = wait_for_io_to_complete(self.all_mounts_procs, self.mounts)
+ if not ret:
+ raise ExecutionError("IO failed on some of the clients")
+ g.log.info("IO is successful on all mounts")
+
+ # 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")
+
+ # Clear arbiter brick folders before replacing bricks.
+ if self.bricks_to_clean:
+ for brick in self.bricks_to_clean:
+ g.log.info('Clearing brick %s', brick)
+ node, brick_path = brick.split(':')
+ ret, _, err = g.run(node, 'rm -rf %s' % brick_path)
+ self.assertFalse(ret, err)
+ g.log.info('Clearing brick %s is successful', brick)
+ g.log.info('Clearing for all brick is successful')
+
+ # 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_replacing_all_arbiters(self):
+ """
+ - Create an arbiter volume 4(2+1) distributed replicate
+ - Start writing IO
+ - While the I/O's are going on replace all the arbiter bricks
+ - check for the new bricks attached successfully
+ - Check for heals
+ - Validate IO
+ """
+ # pylint: disable=too-many-locals,too-many-statements
+ # get the bricks for the volume
+ g.log.info("Fetching bricks for the volume: %s", self.volname)
+ bricks_list = get_all_bricks(self.mnode, self.volname)
+ g.log.info("Brick list: %s", bricks_list)
+
+ # Clear all brick folders. Its need to prevent healing with old files
+ for brick in bricks_list:
+ g.log.info('Clearing brick %s', brick)
+ node, brick_path = brick.split(':')
+ ret, _, err = g.run(node, 'cd %s/ ; rm -rf *' % brick_path)
+ self.assertFalse(ret, err)
+ g.log.info('Clearing brick %s is successful', brick)
+ g.log.info('Clearing for all brick is successful')
+
+ # Creating files on client side
+ for mount_obj in self.mounts:
+ g.log.info("Generating data for %s:%s",
+ mount_obj.client_system, mount_obj.mountpoint)
+ # Create dirs with file
+ g.log.info('Creating dirs with file...')
+ command = ("python %s create_deep_dirs_with_files "
+ "-d 3 "
+ "-l 3 "
+ "-n 3 "
+ "-f 20 "
+ "%s"
+ % (self.script_upload_path, mount_obj.mountpoint))
+
+ proc = g.run_async(mount_obj.client_system, command,
+ user=mount_obj.user)
+ self.all_mounts_procs.append(proc)
+ self.io_validation_complete = False
+
+ # replace bricks
+ subvols = get_subvols(self.mnode, self.volname)['volume_subvols']
+ for subvol in subvols:
+ g.log.info('Replacing arbiter brick for %s', subvol)
+ brick_to_replace = subvol[-1]
+ self.bricks_to_clean.append(brick_to_replace)
+ new_brick = brick_to_replace + 'new'
+ g.log.info("Replacing the brick %s for the volume: %s",
+ brick_to_replace, self.volname)
+ ret, _, err = replace_brick(self.mnode, self.volname,
+ brick_to_replace, new_brick)
+ self.assertFalse(ret, err)
+ g.log.info('Replaced brick %s to %s successfully',
+ brick_to_replace, new_brick)
+
+ # check replaced bricks
+ subvols = get_subvols(self.mnode, self.volname)['volume_subvols']
+ index = 0
+ for subvol in subvols:
+ expected_brick_path = self.bricks_to_clean[index]+'new'
+ brick_to_check = subvol[-1]
+ self.assertEqual(expected_brick_path, brick_to_check,
+ 'Brick %s is not replaced brick'
+ % brick_to_check)
+ index += 1
+
+ # 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")
+
+ # 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')
+
+ # Validate IO
+ g.log.info("Wait for IO to complete and validate IO ...")
+ ret = validate_io_procs(self.all_mounts_procs, self.mounts)
+ self.assertTrue(ret, "IO failed on some of the clients")
+ self.io_validation_complete = True
+ g.log.info("IO is successful on all mounts")