From 9bc85b1e8188758616e77a42f8809e3ee2cfa349 Mon Sep 17 00:00:00 2001 From: Rajesh Madaka Date: Mon, 25 Jun 2018 18:47:09 +0530 Subject: Test restart glusterd while rebalance is in progress -> Create Volume -> Fuse mount the volume -> Perform I/O on fuse mount -> Add bricks to the volume -> Perform rebalance on the volume -> While rebalance is in progress, -> restart glusterd on all the nodes in the cluster Change-Id: I522d7aa55adedc2363bf315f96e51469b6565967 Signed-off-by: Rajesh Madaka --- .../test_restart_glusterd_while_rebalancing.py | 172 +++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 tests/functional/glusterd/test_restart_glusterd_while_rebalancing.py (limited to 'tests/functional/glusterd') diff --git a/tests/functional/glusterd/test_restart_glusterd_while_rebalancing.py b/tests/functional/glusterd/test_restart_glusterd_while_rebalancing.py new file mode 100644 index 000000000..2f68dbf38 --- /dev/null +++ b/tests/functional/glusterd/test_restart_glusterd_while_rebalancing.py @@ -0,0 +1,172 @@ +# Copyright (C) 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. + +""" Description: + Test restart glusterd while rebalance is in progress +""" + +from time import sleep +from glusto.core import Glusto as g +from glustolibs.gluster.exceptions import ExecutionError +from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on +from glustolibs.gluster.volume_libs import form_bricks_list_to_add_brick +from glustolibs.gluster.brick_ops import add_brick +from glustolibs.gluster.rebalance_ops import (rebalance_start, + get_rebalance_status) +from glustolibs.gluster.gluster_init import (restart_glusterd, + is_glusterd_running) +from glustolibs.io.utils import validate_io_procs +from glustolibs.misc.misc_libs import upload_scripts + + +@runs_on([['distributed', 'replicated', 'distributed-replicated', + 'dispersed', 'distributed-dispersed'], ['glusterfs']]) +class TestRestartGlusterdWhileRebalance(GlusterBaseClass): + @classmethod + def setUpClass(cls): + cls.counter = 1 + GlusterBaseClass.setUpClass.im_func(cls) + + # Uploading file_dir script in all client direcotries + 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): + """ + setUp method for every test + """ + # Creating Volume + ret = self.setup_volume_and_mount_volume(self.mounts) + if not ret: + raise ExecutionError("Volume creation or mount failed: %s" + % self.volname) + g.log.info("Volme created and mounted successfully : %s", + self.volname) + + # calling GlusterBaseClass setUp + GlusterBaseClass.setUp.im_func(self) + + def tearDown(self): + """ + tearDown for every test + """ + + # checking for peer status from every node + count = 0 + while count < 80: + ret = self.validate_peers_are_connected() + if ret: + break + sleep(2) + count += 1 + + if not ret: + raise ExecutionError("Servers are not in peer probed state") + + # unmounting the volume and Cleaning up the volume + ret = self.unmount_volume_and_cleanup_volume(self.mounts) + if not ret: + raise ExecutionError("Failed to Cleanup the Volume %s" + % self.volname) + g.log.info("Volume deleted successfully : %s", self.volname) + + def test_glusterd_rebalance(self): + + ''' + -> Create Volume + -> Fuse mount the volume + -> Perform I/O on fuse mount + -> Add bricks to the volume + -> Perform rebalance on the volume + -> While rebalance is in progress, + -> restart glusterd on all the nodes in the cluster + ''' + + # run IOs + g.log.info("Starting IO on all mounts...") + self.all_mounts_procs = [] + 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 4 " + "--dir-length 6 " + "--max-num-of-dirs 3 " + "--num-of-files 25 %s" % (self.script_upload_path, + self.counter, + mount_obj.mountpoint)) + proc = g.run_async(mount_obj.client_system, cmd, + user=mount_obj.user) + self.all_mounts_procs.append(proc) + self.counter = self.counter + 10 + + # Validate IO + g.log.info("Wait for IO to complete and validate IO ...") + ret = validate_io_procs(self.all_mounts_procs, self.mounts) + self.assertTrue(ret, "IO failed on some of the clients") + g.log.info("IO is successful on all mounts") + + # Forming brick list + brick_list = form_bricks_list_to_add_brick( + self.mnode, self.volname, self.servers, self.all_servers_info) + + # Adding Bricks + ret, _, _ = add_brick(self.mnode, self.volname, brick_list) + self.assertEqual(ret, 0, "Failed to add brick to the volume %s" + % self.volname) + g.log.info("Brick added successfully to the volume %s", self.volname) + + # Performing rebalance + ret, _, _ = rebalance_start(self.mnode, self.volname) + self.assertEqual(ret, 0, 'Failed to start rebalance on volume %s' + % self.volname) + g.log.info("Rebalance started successfully on volume %s", + self.volname) + + # Checking Rebalance is in progress or not + rebalance_status = get_rebalance_status(self.mnode, self.volname) + if rebalance_status['aggregate']['statusStr'] != 'in progress': + raise ExecutionError("Rebalance is not in 'in progress' state, " + "either rebalance is in compeleted state or" + " failed to get rebalance status") + + # Restart glusterd + ret = restart_glusterd(self.servers) + self.assertTrue(ret, "Failed to restart glusterd on servers") + g.log.info("Glusterd restarted successfully on %s", self.servers) + + # Checking glusterd status + count = 0 + while count < 60: + ret = is_glusterd_running(self.servers) + if not ret: + break + sleep(2) + count += 1 + self.assertEqual(ret, 0, "Glusterd is not running on some of the " + "servers") + g.log.info("Glusterd is running on all servers %s", self.servers) -- cgit