# Copyright (C) 2017-2018 Red Hat, Inc. # # 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'])