# Copyright (C) 2020 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. """ Description: Renaming of directories and files while rebalance is running """ from unittest import skip from glusto.core import Glusto as g from glustolibs.gluster.exceptions import ExecutionError from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on from glustolibs.gluster.glusterdir import mkdir from glustolibs.gluster.rebalance_ops import (get_rebalance_status, rebalance_start, wait_for_rebalance_to_complete) from glustolibs.gluster.volume_libs import ( expand_volume, log_volume_info_and_status) from glustolibs.io.utils import ( collect_mounts_arequal, wait_for_io_to_complete) from glustolibs.misc.misc_libs import upload_scripts @runs_on([['arbiter', 'distributed-arbiter', 'dispersed', 'replicated', 'distributed-dispersed', 'distributed-replicated', 'distributed'], ['glusterfs']]) class TestRenameDuringRebalance(GlusterBaseClass): """Renaming Files during rebalance""" def setUp(self): """Setup Volume""" # Calling GlusterBaseClass setUp self.get_super_method(self, 'setUp')() self.all_mounts_procs = [] # Setup Volume and Mount Volume g.log.info("Starting to Setup Volume and mount it") ret = self.setup_volume_and_mount_volume(mounts=self.mounts) if not ret: raise ExecutionError("Failed to Setup Volume and Mount it") # Upload io script for running IO on mounts self.script_upload_path = ("/usr/share/glustolibs/io/scripts/" "file_dir_ops.py") ret = upload_scripts(self.mounts[0].client_system, self.script_upload_path) if not ret: raise ExecutionError("Failed to upload IO scripts to clients") @skip('Skipping due to Bug 1755834') def test_rename_file_rebalance(self): """ Test file renames during rebalance - Create a volume - Create directories or files - Calculate the checksum using arequal - Add brick and start rebalance - While rebalance is running, rename files or directories. - After rebalancing calculate checksum. """ # Taking the instance of mount point. mount_point = self.mounts[0].mountpoint # Creating main directory. ret = mkdir(self.mounts[0].client_system, "{}/main".format(mount_point)) self.assertTrue(ret, "mkdir of dir main failed") # Creating Files. self.all_mounts_procs = [] command = ("/usr/bin/env python {} create_files" " {}/main/ -f 4000" " --fixed-file-size 1k".format(self.script_upload_path, mount_point)) proc = g.run_async(self.mounts[0].client_system, command, user=self.mounts[0].user) self.all_mounts_procs.append(proc) g.log.info("IO on %s:%s is started successfully", self.mounts[0].client_system, mount_point) # Wait for IO completion. self.assertTrue(wait_for_io_to_complete(self.all_mounts_procs, self.mounts[0]), "IO failed on some of the clients") g.log.info("IO completed on the clients") # Getting the arequal checksum. arequal_checksum_before_rebalance = collect_mounts_arequal(self.mounts) # Log Volume Info and Status before expanding the volume. log_volume_info_and_status(self.mnode, self.volname) # Expanding volume by adding bricks to the volume ret = expand_volume(self.mnode, self.volname, self.servers, self.all_servers_info) self.assertTrue(ret, ("Failed to expand the volume %s", self.volname)) g.log.info("Expanding volume is successful on " "volume %s", self.volname) # Log Volume Info and Status after expanding the volume. log_volume_info_and_status(self.mnode, self.volname) # Start Rebalance ret, _, _ = rebalance_start(self.mnode, self.volname) self.assertEqual(ret, 0, ("Failed to start rebalance on the volume " "%s", self.volname)) g.log.info("Successfully started rebalance on the volume %s", self.volname) # Check that rebalance status is "in progress" rebalance_status = get_rebalance_status(self.mnode, self.volname) ret = rebalance_status['aggregate']['statusStr'] self.assertEqual(ret, "in progress", ("Rebalance is not in " "'in progress' state, either " "rebalance is in completed state" " or failed to get rebalance " " status")) g.log.info("Rebalance is in 'in progress' state") # Renaming the files during rebalance. self.all_mounts_procs = [] command = ("/usr/bin/env python {} mv" " {}/main/ --postfix re ".format( self.script_upload_path, mount_point)) proc = g.run_async(self.mounts[0].client_system, command, user=self.mounts[0].user) g.log.info("IO on %s:%s is started successfully", self.mounts[0].client_system, mount_point) self.all_mounts_procs.append(proc) # Wait for rebalance to complete ret = wait_for_rebalance_to_complete(self.mnode, self.volname) self.assertTrue(ret, ("Rebalace is not yet complete on the volume " "%s", self.volname)) g.log.info("Rebalance is successfully complete on the volume %s", self.volname) # Wait for IO completion. self.assertTrue(wait_for_io_to_complete(self.all_mounts_procs, self.mounts[0]), "IO failed on some of the clients") g.log.info("IO is successful on all mounts") # Getting arequal checksum after rebalance arequal_checksum_after_rebalance = collect_mounts_arequal(self.mounts) # Comparing arequals checksum before and after rebalance. self.assertEqual(arequal_checksum_before_rebalance, arequal_checksum_after_rebalance, "arequal checksum is NOT MATCHING") g.log.info("arequal checksum is SAME") def tearDown(self): """tear Down Callback""" # Unmount Volume and Cleanup volume. g.log.info("Starting to Umount 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 self.get_super_method(self, 'tearDown')()