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authorVitalii Koriakov <vkoriako@redhat.com>2018-06-18 16:04:26 +0300
committerJonathan Holloway <jholloway@redhat.com>2018-06-20 21:04:51 +0000
commit8b3d54d7b70aa2ab3885fa25e1d00f42da77dbe9 (patch)
tree33ece61519c9063e29511a6fc3f1ff6dbd208f5f /tests/functional/afr
parent37fab28f7bd20875bb7a1dcaa70a5e9f6907e355 (diff)
Test multiple clients "dd" on same-file (default)
Change-Id: Icd5c423ad1b2fee770680cc66d9919c930c4780f Signed-off-by: Vitalii Koriakov <vkoriako@redhat.com>
Diffstat (limited to 'tests/functional/afr')
-rw-r--r--tests/functional/afr/test_multiple_clients_dd_on_same_file_default.py263
1 files changed, 263 insertions, 0 deletions
diff --git a/tests/functional/afr/test_multiple_clients_dd_on_same_file_default.py b/tests/functional/afr/test_multiple_clients_dd_on_same_file_default.py
new file mode 100644
index 0000000..60fcb59
--- /dev/null
+++ b/tests/functional/afr/test_multiple_clients_dd_on_same_file_default.py
@@ -0,0 +1,263 @@
+# 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.brick_libs import (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)
+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,
+ wait_for_io_to_complete)
+
+
+@runs_on([['replicated'],
+ ['glusterfs', 'cifs', 'nfs']])
+class VerifySelfHealTriggersHealCommand(GlusterBaseClass):
+ """
+ Description:
+ Verify self-heal Triggers with self heal with heal command
+ """
+ @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)
+
+ # Override Volumes
+ if cls.volume_type == "replicated":
+ # Define x2 replicated volume
+ cls.volume['voltype'] = {
+ 'type': 'replicated',
+ 'replica_count': 2,
+ 'transport': 'tcp'}
+
+ def setUp(self):
+ # Calling GlusterBaseClass setUp
+ GlusterBaseClass.setUp.im_func(self)
+
+ self.all_mounts_procs = []
+ self.io_validation_complete = False
+
+ # 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")
+
+ # 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_multiple_clients_dd_on_same_file_default(self):
+ """
+ - Create 2GB file
+ - While creating file, start reading file
+ - Bring down brick1
+ - Bring back the brick brick1
+ - Start healing
+ - Bring down brick1
+ - Wait for IO to complete
+ - Wait for reading to complete
+ - Bring back the brick brick1
+ - Start healing
+ - Wait for heal to complete
+ - Check for split-brain
+ - Calculate arequals on all the bricks and compare with mountpoint
+ """
+ # pylint: disable=too-many-statements,too-many-locals
+ bricks_list = get_all_bricks(self.mnode, self.volname)
+ self.assertIsNotNone(bricks_list, 'Brick list is None')
+
+ # 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 files
+ g.log.info('Creating files...')
+ command = ("cd %s ; "
+ "dd if=/dev/urandom of=test_file bs=1M count=2020"
+ % 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
+
+ # Reading files on client side
+ all_mounts_procs_read = []
+ for mount_obj in self.mounts:
+ g.log.info("Reading data for %s:%s",
+ mount_obj.client_system, mount_obj.mountpoint)
+ # Create files
+ g.log.info('Reading files...')
+ command = ("python %s read %s"
+ % (self.script_upload_path, mount_obj.mountpoint))
+
+ proc = g.run_async(mount_obj.client_system, command,
+ user=mount_obj.user)
+ all_mounts_procs_read.append(proc)
+
+ # Bring brick1 offline
+ g.log.info('Bringing bricks %s offline...', bricks_list[1])
+ ret = bring_bricks_offline(self.volname, [bricks_list[1]])
+ self.assertTrue(ret, 'Failed to bring bricks %s offline' %
+ bricks_list[1])
+
+ ret = are_bricks_offline(self.mnode, self.volname,
+ [bricks_list[1]])
+ self.assertTrue(ret, 'Bricks %s are not offline'
+ % bricks_list[1])
+ g.log.info('Bringing bricks %s offline is successful',
+ bricks_list[1])
+
+ # Bring brick1 online
+ g.log.info('Bringing bricks %s online...', bricks_list[1])
+ ret = bring_bricks_online(self.mnode, self.volname,
+ [bricks_list[1]])
+ self.assertTrue(ret, 'Failed to bring bricks %s online' %
+ bricks_list[1])
+ g.log.info('Bringing bricks %s online is successful',
+ bricks_list[1])
+
+ # Start healing
+ ret = trigger_heal(self.mnode, self.volname)
+ self.assertTrue(ret, 'Heal is not started')
+ g.log.info('Healing is started')
+
+ # Bring brick1 offline
+ g.log.info('Bringing bricks %s offline...', bricks_list[1])
+ ret = bring_bricks_offline(self.volname, [bricks_list[1]])
+ self.assertTrue(ret, 'Failed to bring bricks %s offline' %
+ bricks_list[1])
+
+ ret = are_bricks_offline(self.mnode, self.volname,
+ [bricks_list[1]])
+ self.assertTrue(ret, 'Bricks %s are not offline'
+ % bricks_list[1])
+ g.log.info('Bringing bricks %s offline is successful',
+ bricks_list[1])
+
+ # 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")
+ g.log.info("IO is successful on all mounts")
+
+ # Validate reading
+ g.log.info("Wait for reading to complete ...")
+ ret = validate_io_procs(all_mounts_procs_read, self.mounts)
+ self.assertTrue(ret, "Reading failed on some of the clients")
+ self.io_validation_complete = True
+ g.log.info("Reading is successful on all mounts")
+
+ # Bring brick1 online
+ g.log.info('Bringing bricks %s online...', bricks_list[1])
+ ret = bring_bricks_online(self.mnode, self.volname,
+ [bricks_list[1]])
+ self.assertTrue(ret, 'Failed to bring bricks %s online' %
+ bricks_list[1])
+ g.log.info('Bringing bricks %s online is successful',
+ bricks_list[1])
+
+ # 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 for mount
+ g.log.info('Getting arequal...')
+ ret, arequals = collect_mounts_arequal(self.mounts)
+ self.assertTrue(ret, 'Failed to get arequal')
+ g.log.info('Getting arequal after healing is successful')
+ mount_point_total = arequals[0].splitlines()[-1].split(':')[-1]
+
+ # Get arequal on bricks and compare with mount_point_total
+ # It should be the same
+ g.log.info('Getting arequal on bricks...')
+ arequals_after_heal = {}
+ for brick in bricks_list:
+ g.log.info('Getting arequal on bricks %s...', brick)
+ node, brick_path = brick.split(':')
+ command = ('arequal-checksum -p %s '
+ '-i .glusterfs -i .landfill -i .trashcan'
+ % brick_path)
+ ret, arequal, _ = g.run(node, command)
+ self.assertFalse(ret, 'Failed to get arequal on brick %s'
+ % brick)
+ g.log.info('Getting arequal for %s is successful', brick)
+ brick_total = arequal.splitlines()[-1].split(':')[-1]
+ arequals_after_heal[brick] = brick_total
+ self.assertEqual(mount_point_total, brick_total,
+ 'Arequals for mountpoint and %s are not equal'
+ % brick)
+ g.log.info('Arequals for mountpoint and %s are equal', brick)
+ g.log.info('All arequals are equal')