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authorPrasad Desala <tdesala@redhat.com>2018-02-02 12:23:17 +0530
committerJonathan Holloway <jholloway@redhat.com>2018-06-17 20:45:36 +0000
commit5fc68f6725671bf329609d05b029b4610f1d4f16 (patch)
tree3bfaf99dd8f42af6e281851668ec5198796a357d /tests/functional/dht
parent5477b42bd63dad22a1800444428294ab0896691c (diff)
Rebalance: Directory and file creation from multiple clients
This testcase verifies rebalance behaviour while IO is in-progress from multiple clients Change-Id: Id87472a8194d31e5de181827cfcf30ccacc346c0 Signed-off-by: Prasad Desala <tdesala@redhat.com>
Diffstat (limited to 'tests/functional/dht')
-rw-r--r--tests/functional/dht/test_rebalance_dir_file_from_multiple_clients.py249
1 files changed, 249 insertions, 0 deletions
diff --git a/tests/functional/dht/test_rebalance_dir_file_from_multiple_clients.py b/tests/functional/dht/test_rebalance_dir_file_from_multiple_clients.py
new file mode 100644
index 0000000..bfd0683
--- /dev/null
+++ b/tests/functional/dht/test_rebalance_dir_file_from_multiple_clients.py
@@ -0,0 +1,249 @@
+# 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.constants import FILETYPE_DIRS
+from glustolibs.gluster.constants import \
+ TEST_LAYOUT_IS_COMPLETE as LAYOUT_IS_COMPLETE
+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,
+ 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,
+ wait_for_volume_process_to_be_online
+)
+from glustolibs.io.utils import (
+ list_all_files_and_dirs_mounts,
+ validate_io_procs,
+ wait_for_io_to_complete
+)
+from glustolibs.misc.misc_libs import upload_scripts
+
+
+@runs_on([['distributed', 'replicated', 'distributed-replicated',
+ 'dispersed', 'distributed-dispersed'],
+ ['glusterfs']])
+class RebalanceValidation(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):
+ """
+ - Setup Volume and Mount Volume
+ - setUp starts the io from all the mounts.
+ - IO creates deep dirs and files.
+ """
+ # 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...")
+ self.all_mounts_procs = []
+
+ # Value of counter(index) is used for dirname-start-num argument for
+ # file_dir_ops.py create_deep_dirs_with_files.
+
+ # The --dir-length argument value for
+ # file_dir_ops.py create_deep_dirs_with_files is set to 10
+ # (refer to the cmd in setUp method). This means every mount
+ # will create
+ # 10 top level dirs. For every mountpoint/testcase
+ # to create new set of
+ # dirs, we are incrementing the counter by --dir-length value i.e 10
+ # in this test suite.
+
+ # If we are changing the --dir-length to new value, ensure the counter
+ # is also incremented by same value to create new set of files/dirs.
+
+ 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 5 "
+ "--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)
+ self.all_mounts_procs.append(proc)
+ self.io_validation_complete = False
+
+ 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
+
+ Unmount Volume and Cleanup Volume
+ """
+ # Wait for IO to complete if io validation is not executed in the
+ # test method
+ 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 on all mounts: Success")
+
+ # 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: Successful")
+
+ # 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("Unmount Volume and Cleanup Volume: Fail")
+ g.log.info("Unmount Volume and Cleanup Volume: Success")
+
+ # Calling GlusterBaseClass tearDown
+ GlusterBaseClass.tearDown.im_func(self)
+
+ def test_expanding_volume_when_io_in_progress(self):
+ # pylint: disable=too-many-statements
+ # Log Volume Info and Status before expanding the volume.
+ g.log.info("Logging volume info and Status before expanding volume")
+ log_volume_info_and_status(self.mnode, self.volname)
+
+ # Expanding volume by adding bricks to the volume when IO in progress
+ g.log.info("Start adding bricks to volume when IO in progress")
+ ret = expand_volume(self.mnode, self.volname, self.servers,
+ self.all_servers_info)
+ self.assertTrue(ret, ("Failed to expand the volume while IO in "
+ "progress on volume %s", self.volname))
+ g.log.info("Expanding volume while IO in progress on "
+ "volume %s : Success", 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, ("Failed to wait for volume %s processes to "
+ "be online", self.volname))
+ g.log.info("Waiting for volume %s process to be online", self.volname)
+
+ # Log Volume Info and Status after expanding the volume
+ g.log.info("Logging volume info and Status after expanding volume")
+ log_volume_info_and_status(self.mnode, 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
+ g.log.info("Starting Rebalance on the volume")
+ ret, _, _ = rebalance_start(self.mnode, self.volname)
+ self.assertEqual(ret, 0, ("Failed to start rebalance on the volume "
+ "%s", self.volname))
+ g.log.info("Started rebalance on the volume %s: Success",
+ 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, ("Rebalance is not yet complete on the volume "
+ "%s", self.volname))
+ g.log.info("Rebalance status on volume %s: Complete",
+ self.volname)
+
+ # Check Rebalance status after rebalance is complete
+ g.log.info("Checking Rebalance status")
+ ret, _, _ = rebalance_status(self.mnode, self.volname)
+ self.assertEqual(ret, 0, ("Failed to get rebalance status for the "
+ "volume %s", self.volname))
+ g.log.info("Rebalance status on volume %s: Complete",
+ self.volname)
+
+ # Validate IO
+ g.log.info("Wait for IO to complete and validate IO ...")
+ ret = validate_io_procs(self.all_mounts_procs, self.mounts)
+ self.io_validation_complete = True
+ self.assertTrue(ret, "IO failed on some of the clients")
+ g.log.info("IO on all mounts: Complete")
+
+ # List all files and dirs created
+ g.log.info("List all files and directories:")
+ ret = list_all_files_and_dirs_mounts(self.mounts)
+ self.assertTrue(ret, "Failed to list all files and dirs")
+ g.log.info("List all files and directories: Success")
+
+ # 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")
+
+ # Checking if there are any migration failures
+ status = get_rebalance_status(self.mnode, self.volname)
+ for each_node in status['node']:
+ self.assertEqual(0, int(each_node['failures']),
+ "Rebalance failed to migrate few files on %s" %
+ each_node['nodeName'])
+ g.log.info("No migration failures on %s", each_node['nodeName'])