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authorPrasad Desala <tdesala@redhat.com>2018-02-01 16:49:38 +0530
committerVijay Avuthu <vavuthu@redhat.com>2018-06-27 10:59:25 +0000
commitc64d7b4628b5ce31e3b9fb0de94a62d58cb99e07 (patch)
tree1b3a2ed8b81330f951b3df71922fe431cbf9ca44 /tests/functional/dht
parentde8ad55a415ac46e46e12ee32cc59069a20d4662 (diff)
Adding testcase: Exercise rebalance command
This testcase exercises below rebalance commands, 1) Rebalance with fix-layout 2) Rebalance start --> status --> stop 3) Rebalance with force option Changes: - Remove pytest.mark from test cases Change-Id: I467de068dabac90018f6241472b2d91d9d9e85a8 Signed-off-by: Prasad Desala <tdesala@redhat.com>
Diffstat (limited to 'tests/functional/dht')
-rw-r--r--tests/functional/dht/test_excerise_rebalance_command.py376
1 files changed, 376 insertions, 0 deletions
diff --git a/tests/functional/dht/test_excerise_rebalance_command.py b/tests/functional/dht/test_excerise_rebalance_command.py
new file mode 100644
index 0000000..b582df5
--- /dev/null
+++ b/tests/functional/dht/test_excerise_rebalance_command.py
@@ -0,0 +1,376 @@
+# Copyright (C) 2017-2018 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 time import sleep
+from glusto.core import Glusto as g
+from glustolibs.gluster.constants import \
+ TEST_LAYOUT_IS_COMPLETE as LAYOUT_IS_COMPLETE
+from glustolibs.gluster.constants import FILETYPE_DIRS
+from glustolibs.gluster.dht_test_utils import validate_files_in_dir
+from glustolibs.gluster.exceptions import ExecutionError
+from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
+from glustolibs.gluster.rebalance_ops import (
+ get_rebalance_status,
+ rebalance_start,
+ rebalance_status,
+ rebalance_stop,
+ wait_for_fix_layout_to_complete,
+ wait_for_rebalance_to_complete)
+from glustolibs.gluster.volume_libs import (
+ expand_volume,
+ log_volume_info_and_status,
+ verify_all_process_of_volume_are_online,
+ form_bricks_list_to_add_brick,
+ wait_for_volume_process_to_be_online)
+from glustolibs.io.utils import (
+ collect_mounts_arequal,
+ list_all_files_and_dirs_mounts,
+ wait_for_io_to_complete)
+from glustolibs.misc.misc_libs import upload_scripts
+from glustolibs.gluster.brick_ops import add_brick
+
+
+@runs_on([['distributed', 'replicated', 'distributed-replicated',
+ 'dispersed', 'distributed-dispersed'],
+ ['glusterfs']])
+class TestExerciseRebalanceCommand(GlusterBaseClass):
+ @classmethod
+ def setUpClass(cls):
+
+ # Calling GlusterBaseClass setUpClass
+ GlusterBaseClass.setUpClass.im_func(cls)
+
+ # Setup Volume and Mount Volume
+ g.log.info("Starting to Setup Volume and Mount Volume")
+ ret = cls.setup_volume_and_mount_volume(mounts=cls.mounts)
+ if not ret:
+ raise ExecutionError("Failed to Setup_Volume and Mount_Volume")
+ g.log.info("Successful in Setup Volume and Mount Volume")
+
+ # 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)
+
+ # Start IO on mounts
+ g.log.info("Starting IO on all mounts...")
+ self.all_mounts_procs = []
+ for index, mount_obj in enumerate(self.mounts, start=1):
+ g.log.info("Starting IO on %s:%s", mount_obj.client_system,
+ mount_obj.mountpoint)
+ cmd = ("python %s create_deep_dirs_with_files "
+ "--dirname-start-num %d "
+ "--dir-depth 2 "
+ "--dir-length 2 "
+ "--max-num-of-dirs 2 "
+ "--num-of-files 10 %s" % (self.script_upload_path,
+ index + 10,
+ mount_obj.mountpoint))
+ proc = g.run_async(mount_obj.client_system, cmd,
+ user=mount_obj.user)
+ self.all_mounts_procs.append(proc)
+
+ # Wait for IO to complete
+ g.log.info("Wait for IO to complete")
+ 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")
+
+ # DHT Layout validation
+ g.log.debug("Verifying hash layout values %s:%s",
+ self.clients[0], self.mounts[0].mountpoint)
+ ret = validate_files_in_dir(self.clients[0], self.mounts[0].mountpoint,
+ test_type=LAYOUT_IS_COMPLETE,
+ file_type=FILETYPE_DIRS)
+ self.assertTrue(ret, "LAYOUT_IS_COMPLETE: FAILED")
+ g.log.info("LAYOUT_IS_COMPLETE: PASS")
+
+ def test_fix_layout_start(self):
+ # pylint: disable=too-many-statements
+ # Get arequal checksum before starting fix-layout
+ g.log.info("Getting arequal checksum before fix-layout")
+ arequal_checksum_before_fix_layout = collect_mounts_arequal(self.
+ mounts)
+
+ # Log Volume Info and Status before expanding the volume.
+ g.log.info("Logging volume info and Status before expanding volume")
+ ret = log_volume_info_and_status(self.mnode, self.volname)
+ self.assertTrue(ret, "Logging volume info and status failed on "
+ "volume %s" % self.volname)
+ g.log.info("Successful in logging volume info and status of volume "
+ "%s", self.volname)
+
+ # Form brick list for expanding volume
+ add_brick_list = form_bricks_list_to_add_brick(
+ self.mnode, self.volname, self.servers, self.all_servers_info,
+ distribute_count=1)
+ self.assertIsNotNone(add_brick_list, ("Volume %s: Failed to form "
+ "bricks list to expand",
+ self.volname))
+ g.log.info("Volume %s: Formed bricks list to expand", self.volname)
+
+ # Expanding volume by adding bricks to the volume
+ g.log.info("Volume %s: Expand start")
+ ret, _, _ = add_brick(self.mnode, self.volname, add_brick_list)
+ self.assertEqual(ret, 0, ("Volume %s: Expand failed", self.volname))
+ g.log.info("Volume %s: Expand successful", self.volname)
+
+ # Wait for gluster processes to come online
+ g.log.info("Wait for gluster processes to come online")
+ ret = wait_for_volume_process_to_be_online(self.mnode, self.volname)
+ self.assertTrue(ret, ("Volume %s: one or more volume process are "
+ "not up", self.volname))
+ g.log.info("All volume %s processes are online", self.volname)
+
+ # Log Volume Info and Status after expanding the volume
+ g.log.info("Logging volume info and Status after expanding volume")
+ ret = log_volume_info_and_status(self.mnode, self.volname)
+ self.assertTrue(ret, "Logging volume info and status failed on "
+ "volume %s" % self.volname)
+ g.log.info("Successful in logging volume info and status of volume "
+ "%s", 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)
+
+ # Start Rebalance fix-layout
+ g.log.info("Starting fix-layout on the volume")
+ ret, _, _ = rebalance_start(self.mnode, self.volname, fix_layout=True)
+ self.assertEqual(ret, 0, ("Volume %s: fix-layout start failed"
+ "%s", self.volname))
+ g.log.info("Volume %s: fix-layout start success", self.volname)
+
+ # Wait for fix-layout to complete
+ g.log.info("Waiting for fix-layout to complete")
+ ret = wait_for_fix_layout_to_complete(self.mnode, self.volname)
+ self.assertTrue(ret, ("Volume %s: Fix-layout is still in-progress",
+ self.volname))
+ g.log.info("Volume %s: Fix-layout completed successfully",
+ self.volname)
+
+ # Check Rebalance status after fix-layout is complete
+ g.log.info("Checking Rebalance status")
+ ret, _, _ = rebalance_status(self.mnode, self.volname)
+ self.assertEqual(ret, 0, ("Volume %s: Failed to get rebalance status",
+ self.volname))
+ g.log.info("Volume %s: Successfully got rebalance status",
+ self.volname)
+
+ # Get arequal checksum after fix-layout is complete
+ g.log.info("arequal after fix-layout is complete")
+ arequal_checksum_after_fix_layout = collect_mounts_arequal(self.mounts)
+
+ # Compare arequals checksum before and after fix-layout
+ g.log.info("Comparing checksum before and after fix-layout")
+ self.assertEqual(arequal_checksum_before_fix_layout,
+ arequal_checksum_after_fix_layout,
+ "arequal checksum is NOT MATCHNG")
+ g.log.info("arequal checksum is SAME")
+
+ # Check if there are any file migrations after fix-layout
+ status_info = get_rebalance_status(self.mnode, self.volname)
+ for node in range(len(status_info['node'])):
+ status_info = get_rebalance_status(self.mnode, self.volname)
+ file_migration_count = status_info['node'][node]['files']
+ self.assertEqual(int(file_migration_count), 0, (
+ "Server %s: Few files are migrated", self.servers[node]))
+ g.log.info("Server %s: No files are migrated")
+
+ # Check if new bricks contains any files
+ for brick in add_brick_list:
+ brick_node, brick_path = brick.split(":")
+ cmd = ('find %s -type f ! -perm 1000 | grep -ve .glusterfs'
+ % brick_path)
+ _, out, _ = g.run(brick_node, cmd)
+ self.assertEqual(len(out), 0, (
+ ("Files(excluded linkto files) are present on %s:%s"),
+ (brick_node, brick_path)))
+ g.log.info("No files (excluded linkto files) are present on %s:%s",
+ brick_node, brick_path)
+
+ def test_rebalance_start_status_stop(self):
+
+ # Getting arequal checksum before rebalance start
+ g.log.info("Getting arequal before rebalance start")
+ arequal_checksum_before_rebalance_start = collect_mounts_arequal(
+ self.mounts)
+
+ # Start Rebalance
+ g.log.info("Starting Rebalance on the volume")
+ ret, _, _ = rebalance_start(self.mnode, self.volname)
+ self.assertEqual(ret, 0, ("Volume %s: Failed to start rebalance",
+ self.volname))
+ g.log.info("Volume %s: Rebalance started ", self.volname)
+
+ # Stop on-going rebalance
+ g.log.info("Stop rebalance on the volume")
+ ret, _, _ = rebalance_stop(self.mnode, self.volname)
+ self.assertEqual(ret, 0, ("Volume %s: Failed to stop rebalance",
+ self.volname))
+ g.log.info("Checking whether the migration is stopped or not")
+ # Wait till the on-going file migration completes on all servers
+ count = 0
+ while count < 80:
+ rebalance_count = 0
+ for server in self.servers:
+ ret, _, _ = g.run(server, "pgrep rebalance")
+ if ret != 0:
+ rebalance_count += 1
+ if rebalance_count == len(self.servers):
+ break
+ sleep(2)
+ count += 1
+ g.log.info("Volume %s: Rebalance process is not running on servers",
+ self.volname)
+
+ # List all files and dirs from mount point
+ g.log.info("List all files and directories:")
+ ret = list_all_files_and_dirs_mounts(self.mounts)
+ g.log.info("Listing all files and directories is successful")
+
+ # Getting arequal checksum after the rebalance is stopped
+ g.log.info("Getting arequal checksum after the rebalance is stopped")
+ arequal_checksum_after_rebalance_stop = collect_mounts_arequal(self.
+ mounts)
+
+ # Comparing arequals checksum before start of rebalance and
+ # after the rebalance is stopped
+ g.log.info("Comparing arequals checksum before start of rebalance and"
+ "after the rebalance is stopped")
+ self.assertEqual(arequal_checksum_before_rebalance_start,
+ arequal_checksum_after_rebalance_stop,
+ "arequal checksum is NOT MATCHNG")
+ g.log.info("arequal checksum is SAME")
+
+ def test_rebalance_with_force(self):
+
+ # Getting arequal checksum before rebalance
+ g.log.info("Getting arequal checksum before rebalance")
+ arequal_checksum_before_rebalance = collect_mounts_arequal(self.mounts)
+
+ # Log Volume Info and Status before expanding the volume.
+ g.log.info("Logging volume info and Status before expanding volume")
+ ret = log_volume_info_and_status(self.mnode, self.volname)
+ self.assertTrue(ret, "Logging volume info and status failed on "
+ "volume %s" % self.volname)
+ g.log.info("Successful in logging volume info and"
+ "status of volume %s", self.volname)
+
+ # Expanding volume by adding bricks to the volume
+ g.log.info("Start adding bricks to volume")
+ ret = expand_volume(self.mnode, self.volname, self.servers,
+ self.all_servers_info)
+ self.assertTrue(ret, ("Volume %s: Expand failed", self.volname))
+ g.log.info("Volume %s: Expand successful", self.volname)
+
+ # Wait for gluster processes to come online
+ g.log.info("Wait for gluster processes to come online")
+ ret = wait_for_volume_process_to_be_online(self.mnode, self.volname)
+ self.assertTrue(ret, ("Volume %s: one or more volume process are "
+ "not up", self.volname))
+ g.log.info("All volume %s processes are 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)
+
+ # Log Volume Info and Status after expanding the volume
+ g.log.info("Logging volume info and Status after expanding volume")
+ ret = log_volume_info_and_status(self.mnode, self.volname)
+ self.assertTrue(ret, ("Logging volume info and status failed on "
+ "volume %s", self.volname))
+ g.log.info("Successful in logging volume info and"
+ "status of volume %s", self.volname)
+
+ # Start Rebalance with force
+ g.log.info("Starting Rebalance on the volume")
+ ret, _, _ = rebalance_start(self.mnode, self.volname, force=True)
+ self.assertEqual(ret, 0, ("Volume %s: Failed to start rebalance with "
+ "force", self.volname))
+ g.log.info("Volume %s: Started rebalance with force option",
+ self.volname)
+
+ # Wait for rebalance to complete
+ g.log.info("Waiting for rebalance to complete")
+ ret = wait_for_rebalance_to_complete(self.mnode, self.volname,
+ timeout=600)
+ self.assertTrue(ret, ("Volume %s: Rebalance is still in-progress ",
+ self.volname))
+ g.log.info("Volume %s: Rebalance completed", self.volname)
+
+ # Getting arequal checksum after rebalance
+ g.log.info("Getting arequal checksum after rebalance with force "
+ "option")
+ arequal_checksum_after_rebalance = collect_mounts_arequal(self.mounts)
+
+ # Comparing arequals checksum before and after rebalance with force
+ # option
+ g.log.info("Comparing arequals checksum before and after rebalance"
+ "with force option")
+ self.assertEqual(arequal_checksum_before_rebalance,
+ arequal_checksum_after_rebalance,
+ "arequal checksum is NOT MATCHNG")
+ g.log.info("arequal checksum is SAME")
+
+ # Checking if rebalance skipped any files
+ status = get_rebalance_status(self.mnode, self.volname)
+ for each_node in status['node']:
+ self.assertEqual(int(each_node['skipped']), 0,
+ "Few files are skipped on node %s" %
+ each_node['nodeName'])
+ g.log.info("No files are skipped on %s", each_node['nodeName'])
+
+ @classmethod
+ def tearDownClass(cls):
+ # Unmount Volume and Cleanup Volume
+ g.log.info("Starting to Unmount Volume and Cleanup Volume")
+ ret = cls.unmount_volume_and_cleanup_volume(mounts=cls.mounts)
+ if not ret:
+ raise ExecutionError("Failed to Unmount Volume and Cleanup Volume")
+ g.log.info("Successful in Unmount Volume and Cleanup Volume")
+
+ # Calling GlusterBaseClass tearDown
+ GlusterBaseClass.tearDownClass.im_func(cls)