From 3d184a5b3a168f359bb31c25ba0723507b32104d Mon Sep 17 00:00:00 2001 From: Rajesh Madaka Date: Fri, 29 Jun 2018 14:01:17 +0530 Subject: Test rebalance operation when quorum not met -> Create volume -> Stop the volume -> Enabling serve quorum -> start the volume -> Set server quorum ratio to 95% -> Stop the glusterd of any one of the node -> Perform rebalance operation operation -> Check gluster volume status -> start glusterd Change-Id: I3bb42a83414dbcabdc61178e11d584eaf90c3b40 Signed-off-by: Rajesh Madaka --- .../glusterd/test_rebalance_when_quorum_not_met.py | 161 +++++++++++++++++++++ 1 file changed, 161 insertions(+) create mode 100644 tests/functional/glusterd/test_rebalance_when_quorum_not_met.py diff --git a/tests/functional/glusterd/test_rebalance_when_quorum_not_met.py b/tests/functional/glusterd/test_rebalance_when_quorum_not_met.py new file mode 100644 index 000000000..bfd300927 --- /dev/null +++ b/tests/functional/glusterd/test_rebalance_when_quorum_not_met.py @@ -0,0 +1,161 @@ +# 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 rebalance operation when quorum not met +""" +from time import sleep +import random +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_ops import set_volume_options +from glustolibs.gluster.gluster_init import (stop_glusterd, start_glusterd, + is_glusterd_running) +from glustolibs.gluster.rebalance_ops import rebalance_start +from glustolibs.gluster.volume_ops import (volume_status, + volume_stop, volume_start) + + +@runs_on([['distributed', 'dispersed', 'distributed-dispersed'], + ['glusterfs']]) +class TestServerQuorumNotMet(GlusterBaseClass): + def setUp(self): + """ + setUp method for every test + """ + # calling GlusterBaseClass setUp + GlusterBaseClass.setUp.im_func(self) + + # Creating Volume + ret = self.setup_volume() + if not ret: + raise ExecutionError("Volume creation failed: %s" % self.volname) + + def tearDown(self): + """ + tearDown for every test + """ + + ret = is_glusterd_running(self.random_server) + if ret: + ret = start_glusterd(self.random_server) + if not ret: + raise ExecutionError("Failed to start glusterd on %s" + % self.random_server) + + # 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") + + # stopping the volume and Cleaning up the volume + ret = self.cleanup_volume() + if not ret: + raise ExecutionError("Failed Cleanup the Volume %s" + % self.volname) + + # Calling GlusterBaseClass tearDown + GlusterBaseClass.tearDown.im_func(self) + + def test_rebalance_quorum(self): + ''' + -> Create volume + -> Stop the volume + -> Enabling serve quorum + -> start the volume + -> Set server quorum ratio to 95% + -> Stop the glusterd of any one of the node + -> Perform rebalance operation operation + -> Check gluster volume status + -> start glusterd + ''' + # Stop the Volume + ret, _, _ = volume_stop(self.mnode, self.volname) + self.assertEqual(ret, 0, "Failed to stop the volume %s" % self.volname) + g.log.info("Volume stopped successfully %s", self.volname) + + # Enabling server quorum + ret = set_volume_options(self.mnode, self.volname, + {'cluster.server-quorum-type': 'server'}) + self.assertTrue(ret, "Failed to set quorum type for volume %s" + % self.volname) + g.log.info("Able to set quorum type successfully for %s", self.volname) + + # Start the volume + ret, _, _ = volume_start(self.mnode, self.volname) + self.assertEqual(ret, 0, "Failed to start the volume %s" + % self.volname) + g.log.info("Volume started successfully %s", self.volname) + + # Setting Quorum ratio in percentage + ret = set_volume_options(self.mnode, 'all', + {'cluster.server-quorum-ratio': '95%'}) + self.assertTrue(ret, "Failed to set server quorum ratio on %s" + % self.servers) + g.log.info("Able to set server quorum ratio successfully on %s", + self.servers) + + # Stopping glusterd + self.random_server = random.choice(self.servers[1:]) + ret = stop_glusterd(self.random_server) + self.assertTrue(ret, "Failed to stop glusterd on %s" + % self.random_server) + g.log.info("Glusterd stopped successfully on %s", self.random_server) + + msg = ("volume rebalance: " + self.volname + ": failed: Quorum not " + "met. Volume operation " + "not allowed") + + # Start Rebalance + ret, _, err = rebalance_start(self.mnode, self.volname) + self.assertNotEqual(ret, 0, "Unexpected: Rebalance should fail when " + "quorum is in not met condition but " + "Rebalance succeeded %s" % self.volname) + g.log.info("Expected: Rebalance failed when quorum is in not met " + "condition %s", self.volname) + + # Checking Rebalance failed message + self.assertIn(msg, err, "Error message is not correct for rebalance " + "operation when quorum not met") + g.log.info("Error message is correct for rebalance operation " + "when quorum not met") + + # Volume Status + ret, out, _ = volume_status(self.mnode, self.volname) + self.assertEqual(ret, 0, "Failed to get volume status for %s" + % self.volname) + g.log.info("Successful in getting volume status for %s", self.volname) + + # Checking volume status message + self.assertNotIn('rebalance', out, "Unexpected: Found rebalance task " + "in vol status of %s" + % self.volname) + g.log.info("Expected: Not Found rebalance task in vol status of %s", + self.volname) + + # Starting glusterd + ret = start_glusterd(self.random_server) + self.assertTrue(ret, "Failed to start glusterd on %s" + % self.random_server) + g.log.info("Glusted started successfully on %s", self.random_server) -- cgit