# 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. """Positive test - Exercise Add-brick command""" from glusto.core import Glusto as g from glustolibs.gluster.brick_libs import get_all_bricks from glustolibs.gluster.exceptions import ExecutionError from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on from glustolibs.gluster.volume_libs import (cleanup_volume, expand_volume, volume_stop) from glustolibs.gluster.volume_ops import get_volume_list from glustolibs.io.utils import validate_io_procs from glustolibs.misc.misc_libs import upload_scripts @runs_on([['dispersed', 'replicated', 'distributed', 'distributed-dispersed', 'distributed-replicated'], ['glusterfs']]) class ExerciseAddbrickCommand(GlusterBaseClass): """Positive test - Exercise Add-brick command""" def setUp(self): """Setup Volume""" # Calling GlusterBaseClass setUp self.get_super_method(self, 'setUp')() # Setup Volume Volume g.log.info("Starting to Setup Volume") ret = self.setup_volume() if not ret: g.log.error("Failed to Setup") raise ExecutionError("Failed to Setup Volume") def test_add_brick_running_volume(self): """Add brick to running volume """ vol_bricks = { 'before': get_all_bricks(self.mnode, self.volname), 'after': []} g.log.debug("Expanding volume %s", self.volname) ret = expand_volume(mnode=self.mnode, volname=self.volname, servers=self.servers, all_servers_info=self.all_servers_info) self.assertTrue(ret, 'Unable to expand volume %s' % self.volname) g.log.info("Add brick successfully %s", self.volname) vol_bricks['after'] = get_all_bricks(self.mnode, self.volname) self.assertGreater(len(vol_bricks['after']), len(vol_bricks['before']), "Expected new volume size to be greater than old") g.log.debug("Expanding volume %s", self.volname) ret = expand_volume(mnode=self.mnode, volname=self.volname, servers=self.servers, all_servers_info=self.all_servers_info) self.assertTrue(ret, 'Unable to expand volume %s' % self.volname) g.log.info("Success on expanding volume %s", self.volname) vol_bricks['before'] = vol_bricks['after'] vol_bricks['after'] = get_all_bricks(self.mnode, self.volname) self.assertGreater(len(vol_bricks['after']), len(vol_bricks['before']), "Expected new volume size to be greater than old") g.log.info('Success in add bricks to running volume') def test_add_bricks_stopped_volume(self): """Add bricks to stopped volume """ ret, _, _ = volume_stop(self.mnode, self.volname) self.assertEqual(ret, 0, "Can't stop volume") g.log.info('Volume %s stopped successfully', self.volname) vol_bricks = { 'before': get_all_bricks(self.mnode, self.volname), 'after': [] } g.log.debug("Adding bricks to volume %s", self.volname) ret = expand_volume(mnode=self.mnode, volname=self.volname, servers=self.servers, all_servers_info=self.all_servers_info) self.assertTrue(ret, 'Unable to expand volume %s' % self.volname) g.log.info('Added bricks to stopped volume %s', self.volname) vol_bricks['after'] = get_all_bricks(self.mnode, self.volname) self.assertGreater(len(vol_bricks['after']), len(vol_bricks['before']), "Expected new volume size to be greater than old") g.log.info('Success in add bricks to stopped volume') def test_add_bricks_io_mount_point(self): # Mount volume ret = self.mount_volume(self.mounts) self.assertTrue(ret, 'Mount volume: FAIL') g.log.info('Mounted Volume %s: Success', self.volname) # Upload io scripts for running IO on mounts g.log.info("Upload io scripts to clients %s for running IO on " "mounts", self.clients) script_location = "/usr/share/glustolibs/io/scripts/file_dir_ops.py" ret = upload_scripts(self.clients, script_location) if not ret: clients = ", ".join(self.clients) g.log.error("Failed to upload IO scripts to clients %s", clients) raise ExecutionError("Failed to upload IO scripts to clients %s" % clients) g.log.info("Successfully uploaded IO scripts to clients %s", self.clients) # Start IO on mounts g.log.info("Starting IO on all mounts...") 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 = ("/usr/bin/env python %s create_deep_dirs_with_files " "--dirname-start-num %d " "--dir-depth 2 " "--dir-length 2 " "--max-num-of-dirs 2 " "--num-of-files 10 %s" % ( script_location, index + 10, mount_obj.mountpoint)) proc = g.run_async(mount_obj.client_system, cmd, user=mount_obj.user) # Expand volume g.log.debug("Expanding volume %s", self.volname) ret = expand_volume(mnode=self.mnode, volname=self.volname, servers=self.servers, all_servers_info=self.all_servers_info) self.assertTrue(ret, "Expand volume %s: Fail" % self.volname) g.log.info("Volume %s expanded: Success", self.volname) # Validate IO on current mount point g.log.debug('Validating IO on mount point %s:%s', mount_obj.client_system, mount_obj.mountpoint) self.assertTrue(validate_io_procs([proc], [mount_obj]), 'IO Failed on client %s:%s' % (mount_obj.client_system, mount_obj.mountpoint)) g.log.debug("Unmounting mount points") self.assertTrue(self.unmount_volume(self.mounts), 'Unmount end points: Fail') g.log.info("Unmount mount points: Success") g.log.info('Add brick during IO operations successfully') def tearDown(self): """tear Down callback""" # clean up all volumes vol_list = get_volume_list(self.mnode) if vol_list is None: raise ExecutionError("Failed to get the volume list") for volume in vol_list: ret = cleanup_volume(self.mnode, volume) if not ret: raise ExecutionError("Unable to delete volume % s" % volume) g.log.info("Volume deleted successfully : %s", volume) # Calling GlusterBaseClass tearDown self.get_super_method(self, 'tearDown')()