diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/functional/dht/test_remove_brick_while_rebalance_is_running.py | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/tests/functional/dht/test_remove_brick_while_rebalance_is_running.py b/tests/functional/dht/test_remove_brick_while_rebalance_is_running.py new file mode 100644 index 000000000..c345d9719 --- /dev/null +++ b/tests/functional/dht/test_remove_brick_while_rebalance_is_running.py @@ -0,0 +1,212 @@ +# Copyright (C) 2017-2018 Red Hat, Inc. <http://www.redhat.com> +# +# 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.brick_ops import remove_brick +from glustolibs.gluster.constants import \ + TEST_LAYOUT_IS_COMPLETE as LAYOUT_IS_COMPLETE +from glustolibs.gluster.constants import FILETYPE_DIRS +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_stop +) +from glustolibs.gluster.volume_libs import ( + expand_volume, + form_bricks_list_to_remove_brick, + 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, + wait_for_io_to_complete +) +from glustolibs.misc.misc_libs import upload_scripts + + +@runs_on([['distributed', 'distributed-replicated', + 'dispersed', 'distributed-dispersed', 'replicated'], + ['glusterfs']]) +class RebalanceValidation(GlusterBaseClass): + @classmethod + def setUpClass(cls): + + # Calling GlusterBaseClass setUpClass + GlusterBaseClass.setUpClass.im_func(cls) + + # 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): + + # 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") + + # Form bricks list for Shrinking volume + self.remove_brick_list = form_bricks_list_to_remove_brick( + self.mnode, self.volname, subvol_name=1) + + if not self.remove_brick_list: + g.log.error("Volume %s: Failed to form bricks list for shrink", + self.volname) + raise ExecutionError("Volume %s: Failed to form bricks list for" + " shrink" % self.volname) + g.log.info("Volume %s: Formed bricks list for volume shrink", + (self.remove_brick_list, self.volname)) + + # Start IO on mounts + g.log.info("Starting IO on all mounts...") + self.all_mounts_procs = [] + 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 10 %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) + + # Wait for IO to 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 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(self.mounts) + if not ret: + raise ExecutionError("Failed to list all files and dirs") + g.log.info("Listing all files and directories is successful") + + def tearDown(self): + + status_info = get_rebalance_status(self.mnode, self.volname) + status = status_info['aggregate']['statusStr'] + if 'in progress' in status: + # Stop rebalance on the volume + g.log.info("Stop Rebalance on volume %s", self.volname) + ret, _, _ = rebalance_stop(self.mnode, self.volname) + if ret != 0: + raise ExecutionError("Volume %s: Rebalance stop failed" % + self.volname) + g.log.info("Volume %s: Rebalance stop success", self.volname) + + # 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("Failed to Unmount Volume and Cleanup Volume") + g.log.info("Successful in Unmount Volume and Cleanup Volume") + + # Calling GlusterBaseClass tearDown + GlusterBaseClass.tearDownClass.im_func(self) + + def test_remove_brick_while_rebalance_is_running(self): + + # 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") + + # 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 + g.log.info("Start adding bricks to volume") + ret = expand_volume(self.mnode, self.volname, self.servers, + self.all_servers_info) + self.assertTrue(ret, ("Volume %s: Expand failed", self.volname)) + g.log.info("Volume %s: Expand successful", 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, ("Volume %s: one or more volume process are " + "not up", self.volname)) + g.log.info("All volume %s processes are 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("Volume %s: Verifying that all process are online", + self.volname) + 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, ("Volume %s: Failed to start rebalance", + self.volname)) + g.log.info("Volume %s: Rebalance started ", self.volname) + + # Check if rebalance is running + status_info = get_rebalance_status(self.mnode, self.volname) + status = status_info['aggregate']['statusStr'] + if 'in progress' in status: + # Shrinking volume by removing bricks + g.log.info("Start removing bricks from volume") + _, _, err = remove_brick(self.mnode, self.volname, + self.remove_brick_list, "start") + self.assertIn("Rebalance is in progress", err, "Successfully " + "removed bricks while volume rebalance is " + "in-progress") + g.log.info("Failed to start remove-brick as rebalance is " + "in-progress") + else: + g.log.error("Rebalance process is not running") + raise ExecutionError("Rebalance process is not running") |