From 74f91684b0ff01a959806e1126c7ea85e05c1745 Mon Sep 17 00:00:00 2001 From: ubansal Date: Wed, 6 Feb 2019 14:48:04 +0530 Subject: This Tc is used to check remove brick on a dispersed volume Change-Id: Id8cfc0dd31cf4f6f381ec7bb07d4aba06d52b43e Signed-off-by: ubansal --- tests/functional/disperse/test_ec_remove_brick.py | 166 ++++++++++++++++++++++ 1 file changed, 166 insertions(+) create mode 100644 tests/functional/disperse/test_ec_remove_brick.py (limited to 'tests/functional') diff --git a/tests/functional/disperse/test_ec_remove_brick.py b/tests/functional/disperse/test_ec_remove_brick.py new file mode 100644 index 000000000..cb8238831 --- /dev/null +++ b/tests/functional/disperse/test_ec_remove_brick.py @@ -0,0 +1,166 @@ +# Copyright (C) 2017-2018 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 (GlusterBaseClass, + runs_on) +from glustolibs.gluster.exceptions import ExecutionError +from glustolibs.misc.misc_libs import upload_scripts +from glustolibs.io.utils import validate_io_procs +from glustolibs.gluster.volume_libs import ( + log_volume_info_and_status, shrink_volume, + wait_for_volume_process_to_be_online) + + +@runs_on([['distributed-dispersed'], + ['glusterfs']]) +class DispersedWithAddBrick(GlusterBaseClass): + """ + Test case validates remove-brick and rebalance in a dispersed + volume + """ + @classmethod + def setUpClass(cls): + """ + Setup volume and mount volume + Calling GlusterBaseClass setUpClass + """ + GlusterBaseClass.setUpClass.im_func(cls) + + # Setup Volume and Mount Volume + g.log.info("Starting to Setup and Mount Volume %s", + cls.volname) + ret = cls.setup_volume_and_mount_volume(mounts=cls.mounts) + if not ret: + raise ExecutionError("Failed to Setup_Volume " + "and Mount_Volume %s" % cls.volname) + g.log.info("Successful in Setup and Mount Volume %s", cls.volname) + + # 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 test_disperse_removebrick(self): + + # pylint: disable=too-many-branches,too-many-statements,too-many-locals + """ + - Write IO's + - Start remove brick + - Validate IOs + - Start rebalance + - Wait for rebalance to complete + - Start IO's and Vaildate IO's + """ + + # Write IO + 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 = ("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 + + # Start remove-brick (subvolume-decrease) + g.log.info("Start removing bricks from volume") + ret = shrink_volume(self.mnode, self.volname) + self.assertTrue(ret, ("Remove brick operation failed on " + "%s", self.volname)) + g.log.info("Remove brick operation is successful on " + "volume %s", self.volname) + + # Log Volume Info and Status after shrinking the volume + g.log.info("Logging volume info and Status after shrinking volume") + ret = log_volume_info_and_status(self.mnode, self.volname) + self.assertTrue(ret, ("Logging volume info and status failed on " + "volume %s", self.volname)) + g.log.info("Successful in logging volume info and status of volume %s", + self.volname) + + # Wait for volume processes to be online + g.log.info("Wait for volume processes to be online") + ret = wait_for_volume_process_to_be_online(self.mnode, self.volname) + self.assertTrue(ret, ("All process for volume %s are not" + "online", self.volname)) + g.log.info("All volume %s processes are now online", + self.volname) + + # Validating IO's and waiting to complete + 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") + + # Start IO on all mounts after rebalance completes + all_mounts_procs = [] + count = 21 + for mount_obj in self.mounts: + 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 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 + + # Validate IO + 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") + + def tearDown(self): + """ + Clean up the volume and umount volume from client + """ + + # Unmount volume from client + # Test needs to continue if unmount fail.Not asserting here. + ret = self.unmount_volume(self.mounts) + if ret: + g.log.info("Successfully unmounted all the volumes") + else: + g.log.error(ret, "Failed to unmount volumes") + + # 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) -- cgit