# Copyright (C) 2017-2020 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. from glusto.core import Glusto as g from glustolibs.gluster.constants import FILETYPE_DIRS, FILETYPE_FILES from glustolibs.gluster.constants import \ TEST_FILE_EXISTS_ON_HASHED_BRICKS as FILE_ON_HASHED_BRICKS 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 ) 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.gluster.volume_ops import get_volume_info, volume_stop 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([['replicated', 'distributed', 'distributed-replicated', 'dispersed', 'distributed-dispersed'], ['glusterfs']]) class RebalanceValidation(GlusterBaseClass): @classmethod def setUpClass(cls): # Calling GlusterBaseClass setUpClass cls.get_super_method(cls, 'setUpClass')() # 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) cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/" "file_dir_ops.py") ret = upload_scripts(cls.clients, cls.script_upload_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) # 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. # Start IO on mounts g.log.info("Starting IO on all mounts...") cls.all_mounts_procs = [] for index, mount_obj in enumerate(cls.mounts, start=1): g.log.info("Starting IO on %s:%s", mount_obj.client_system, mount_obj.mountpoint) cmd = ("/usr/bin/env python %s create_deep_dirs_with_files " "--dirname-start-num %d " "--dir-depth 1 " "--dir-length 2 " "--max-num-of-dirs 2 " "--num-of-files 55 %s" % ( cls.script_upload_path, index + 10, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) cls.all_mounts_procs.append(proc) cls.io_validation_complete = False # Wait for IO to complete if not cls.io_validation_complete: g.log.info("Wait for IO to complete") ret = wait_for_io_to_complete(cls.all_mounts_procs, cls.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(cls.mounts) if not ret: raise ExecutionError("Failed to list all files and dirs") g.log.info("Listing all files and directories is successful") def test_volume_start_stop_while_rebalance_is_in_progress(self): # DHT Layout and hash validation for mount_obj in self.mounts: g.log.debug("Verifying hash layout values %s:%s", mount_obj.client_system, mount_obj.mountpoint) ret = validate_files_in_dir(mount_obj.client_system, mount_obj.mountpoint, test_type=FILE_ON_HASHED_BRICKS, file_type=FILETYPE_FILES | FILETYPE_DIRS) self.assertTrue(ret, "Hash Layout Values: Fail") g.log.info("Hash layout values are verified %s:%s", mount_obj.client_system, mount_obj.mountpoint) # 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) g.log.error(ret, ("Logging volume info and status failed on " "volume %s", self.volname)) g.log.info("Logging volume info and status was successful for 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, ("Failed to expand the volume on volume %s ", self.volname)) g.log.info("Expanding volume is successful on volume %s", 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("Successful in waiting for volume %s processes 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") ret = log_volume_info_and_status(self.mnode, self.volname) self.assertTrue(ret, ("Error: Volume processes failed to come up for " "%s", self.volname)) g.log.info("All processes are up for volume %s", 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, ("Error: Volume processes failed to come up for " "%s", self.volname)) g.log.info("All processes are up for 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 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("Successfully started rebalance on the volume %s ", self.volname) # Logging rebalance status g.log.info("Logging rebalance status") status_info = get_rebalance_status(self.mnode, self.volname) status = status_info['aggregate']['statusStr'] self.assertIn('in progress', status, "Rebalance process is not running") g.log.info("Rebalance process is running") ret, out, err = volume_stop(self.mnode, self.volname) g.log.debug("Rebalance info: %s", out) self.assertIn("rebalance session is in progress", err, " Volume " "stopped successfully while rebalance session is in " "progress") g.log.info("Volume stop failed as rebalance session is in " "progress") # Check volume info to check the status of volume g.log.info("Checking volume info for the volume status") status_info = get_volume_info(self.mnode, self.volname) status = status_info[self.volname]['statusStr'] self.assertIn('Started', status, ("Volume %s state is \"Stopped\"", self.volname)) g.log.info("Volume %s state is \"Started\"", self.volname) def tearDown(self): # Unmount and cleanup original 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 umount the vol & cleanup Volume") g.log.info("Successful in umounting the volume and Cleanup") # Calling GlusterBaseClass tearDown self.get_super_method(self, 'tearDown')()