# Copyright (C) 2018-2020 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.gluster_base_class import runs_on, GlusterBaseClass from glustolibs.gluster.exceptions import ExecutionError from glustolibs.misc.misc_libs import upload_scripts from glustolibs.io.utils import validate_io_procs, get_mounts_stat from glustolibs.gluster.volume_libs import ( log_volume_info_and_status, replace_brick_from_volume, wait_for_volume_process_to_be_online) from glustolibs.gluster.heal_libs import monitor_heal_completion @runs_on([['distributed-replicated', 'replicated', 'dispersed', 'distributed-dispersed'], ['nfs']]) class TestGaneshaReplaceBrick(GlusterBaseClass): """ Test cases to validate remove brick functionality on volumes exported through nfs-ganesha """ @classmethod def setUpClass(cls): """ Setup nfs-ganesha if not exists. Upload IO scripts to clients """ cls.get_super_method(cls, 'setUpClass')() # 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) def setUp(self): """ Setup and mount volume """ g.log.info("Starting to setup and mount volume %s", self.volname) ret = self.setup_volume_and_mount_volume(mounts=self.mounts) if not ret: raise ExecutionError("Failed to setup and mount volume %s" % self.volname) g.log.info("Successful in setup and mount volume %s", self.volname) def test_nfs_ganesha_replace_brick(self): """ Verify replace brick operation while IO is running Steps: 1. Start IO on mount points 2. Perofrm replace brick operation 3. Validate IOs 4. Get stat of files and dris """ # pylint: disable=too-many-statements # Start IO on all mount points all_mounts_procs = [] count = 1 for mount_obj in self.mounts: 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 2 " "--dir-length 10 " "--max-num-of-dirs 5 " "--num-of-files 5 %s" % ( self.script_upload_path, count, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) all_mounts_procs.append(proc) count = count + 10 # Get stat of all the files/dirs created. g.log.info("Get stat of all the files/dirs created.") ret = get_mounts_stat(self.mounts) self.assertTrue(ret, "Stat failed on some of the clients") g.log.info("Successfully got stat of all files/dirs created") # Perform replace brick operation g.log.info("Replace a brick from the volume") ret = replace_brick_from_volume(self.mnode, self.volname, self.servers, self.all_servers_info) self.assertTrue(ret, "Failed to replace brick from the volume") g.log.info("Replace brick operation successful") # Wait for volume processes to be online g.log.info("Wait for volume processes to be online after replace " "brick operation") ret = wait_for_volume_process_to_be_online(self.mnode, self.volname) self.assertTrue(ret, ("All volume %s processes failed to come up " "online", self.volname)) g.log.info("All volume %s processes came up " "online successfully after replace brick operation", self.volname) # Log volume info and status g.log.info("Logging volume info and status after replacing brick " "from the volume %s", self.volname) ret = log_volume_info_and_status(self.mnode, self.volname) self.assertTrue(ret, ("Failed to log volume info and status of " "volume %s", self.volname)) g.log.info("Successful in logging volume info and status of volume %s", self.volname) # Wait for self-heal to complete g.log.info("Wait for self-heal to complete") ret = monitor_heal_completion(self.mnode, self.volname) self.assertTrue(ret, 'Heal has not yet completed') g.log.info("Self-heal is successful after replace-brick operation") # Validate IOs g.log.info("Validating IO's") ret = validate_io_procs(all_mounts_procs, self.mounts) self.assertTrue(ret, "IO failed on some of the clients") g.log.info("Successfully validated all io's") # Get stat of all the files/dirs created. g.log.info("Get stat of all the files/dirs created.") ret = get_mounts_stat(self.mounts) self.assertTrue(ret, "Stat failed on some of the clients") g.log.info("Successfully got stat of all files/dirs created") def tearDown(self): """ Unmount and cleanup volume """ # Unmount volume ret = self.unmount_volume(self.mounts) if ret: g.log.info("Successfully unmounted the volume") else: g.log.error("Failed to unmount volume") # Cleanup volume ret = self.cleanup_volume() if not ret: raise ExecutionError("Failed to cleanup volume") g.log.info("Cleanup volume %s completed successfully", self.volname)