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authorPrasad Desala <tdesala@redhat.com>2018-06-21 19:34:42 +0530
committerVijay Avuthu <vavuthu@redhat.com>2018-06-27 05:53:03 +0000
commit5fa71f646726dd69f153a3a1193cb3e2cdef699a (patch)
tree05d8b71d18071047dea30e3f4f68f38180cd6232 /tests/functional/dht
parent67697bddb94dbae40ad18f95c8736a510e982804 (diff)
Adding Testcase: Rebalance_while_remove_brick_in_progress
While remove-brick operation is in-progress on a volume, glusterd should not allow rebalance on the same volume. Change-Id: Ic94754bc12c86a32f2f5fd064129bf6bc038ed6a Signed-off-by: Prasad Desala <tdesala@redhat.com>
Diffstat (limited to 'tests/functional/dht')
-rw-r--r--tests/functional/dht/test_rebalance_while_remove_brick_is_in_progress.py186
1 files changed, 186 insertions, 0 deletions
diff --git a/tests/functional/dht/test_rebalance_while_remove_brick_is_in_progress.py b/tests/functional/dht/test_rebalance_while_remove_brick_is_in_progress.py
new file mode 100644
index 0000000..6bc2c67
--- /dev/null
+++ b/tests/functional/dht/test_rebalance_while_remove_brick_is_in_progress.py
@@ -0,0 +1,186 @@
+# 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 glusto.core import Glusto as g
+
+from glustolibs.gluster.brick_ops import remove_brick
+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_remove_brick_status,
+ rebalance_start)
+from glustolibs.gluster.volume_libs import (form_bricks_list_to_remove_brick,
+ log_volume_info_and_status)
+from glustolibs.io.utils import (list_all_files_and_dirs_mounts,
+ wait_for_io_to_complete)
+from glustolibs.misc.misc_libs import upload_scripts
+
+
+@runs_on([['distributed', 'distributed-replicated',
+ 'distributed-dispersed'],
+ ['glusterfs']])
+class RemoveBrickValidation(GlusterBaseClass):
+ @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 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")
+
+ # Start IO on mounts
+ g.log.info("Starting IO on all mounts...")
+ 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 15 "
+ "--max-num-of-dirs 5 "
+ "--num-of-files 5 %s" % (self.script_upload_path,
+ index + 10,
+ mount_obj.mountpoint))
+ proc = g.run_async(mount_obj.client_system, cmd,
+ user=mount_obj.user)
+ all_mounts_procs.append(proc)
+
+ # Wait for IO to complete
+ g.log.info("Wait for IO to complete as IO validation did not "
+ "succeed in test method")
+ ret = wait_for_io_to_complete(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")
+
+ def tearDown(self):
+
+ status_info = get_remove_brick_status(self.mnode, self.volname,
+ bricks_list=self.
+ remove_brick_list)
+ status = status_info['aggregate']['statusStr']
+ if 'in progress' in status:
+ # Stop remove-brick operation
+ g.log.info("Vol %s: Stop remove brick", self.volname)
+ ret, _, _ = remove_brick(self.mnode, self.volname,
+ self.remove_brick_list, "stop")
+ g.log.info("Volume %s shrink stopped ", self.volname)
+
+ # Unmount Volume and Cleanup 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 Unmount Volume and Cleanup Volume")
+ g.log.info("Successful in Unmount Volume and Cleanup Volume")
+
+ # Calling GlusterBaseClass tearDown
+ GlusterBaseClass.tearDown.im_func(self)
+
+ def test_rebalance_while_remove_brick_in_progress(self):
+ """
+ - Create directories and files on the mount point.
+ - now remove one of the brick from the volume
+ gluster volume remove-brick <vol> <brick> start
+ - immediately start rebalance on the same volume
+ gluster volume rebalance <vol> start
+ """
+ # pylint: disable=too-many-statements
+ # DHT Layout validation
+ for mount in self.mounts:
+ g.log.debug('Check DHT values %s:%s', mount.client_system,
+ mount.mountpoint)
+ ret = validate_files_in_dir(self.clients[0], mount.mountpoint,
+ test_type=LAYOUT_IS_COMPLETE,
+ file_type=FILETYPE_DIRS)
+ self.assertTrue(ret, "TEST_LAYOUT_IS_COMPLETE: FAILED")
+ g.log.info("TEST_LAYOUT_IS_COMPLETE: PASS")
+
+ # Log Volume Info and Status before shrinking the volume.
+ g.log.info("Logging volume info and Status before shrinking volume")
+ log_volume_info_and_status(self.mnode, self.volname)
+ g.log.info("Successful in logging volume info and status of volume "
+ "%s", self.volname)
+
+ # Form bricks list for Shrinking volume
+ self.remove_brick_list = form_bricks_list_to_remove_brick(
+ self.mnode, self.volname, subvol_name=1)
+ self.assertIsNotNone(self.remove_brick_list, ("Volume %s: Failed to "
+ "form bricks list for "
+ "shrink", self.volname))
+ g.log.info("Volume %s: Formed bricks list for shrink", self.volname)
+
+ # Shrink volume by removing bricks with option start
+ g.log.info("Start removing bricks for %s", self.volname)
+ ret, _, _ = remove_brick(self.mnode, self.volname,
+ self.remove_brick_list, "start")
+ self.assertEqual(ret, 0, ("Volume %s: Remove-brick status failed",
+ self.volname))
+ g.log.info("Volume %s: Remove-brick start success ", self.volname)
+
+ # Log remove-brick status
+ g.log.info("Logging Remove-brick status")
+ ret, out, err = remove_brick(self.mnode, self.volname,
+ self.remove_brick_list, "status")
+ self.assertEqual(ret, 0, ("Volume %s: Remove-brick status failed",
+ self.volname))
+ g.log.info("Volume %s: Remove-brick status", self.volname)
+ g.log.info(out)
+
+ # Start rebalance while volume shrink in-progress
+ g.log.info("Volume %s: Start rebalance while volume shrink is "
+ "in-progress")
+ _, _, err = rebalance_start(self.mnode, self.volname)
+ self.assertIn("Either commit or stop the remove-brick task.", err,
+ "Rebalance started successfully while volume shrink"
+ " is in-progress")
+ g.log.info("Failed to start rebalance while volume shrink is "
+ "in progress <EXPECTED>")