From 1374783418db58f6f4fe153d83082549bf2d000f Mon Sep 17 00:00:00 2001 From: Karan Sandha Date: Mon, 5 Feb 2018 00:54:51 +0530 Subject: Changing replica 3 to Arbiter Volume without IO Change-Id: I35568ef8234bc11a8bcf775315c24d9914fbb99d Signed-off-by: Karan Sandha --- tests/functional/arbiter/__init__.py | 0 tests/functional/arbiter/brick_cases/__init__.py | 0 .../brick_cases/test_replica3_to_arbiter.py | 178 +++++++++++++++++++++ 3 files changed, 178 insertions(+) create mode 100644 tests/functional/arbiter/__init__.py create mode 100644 tests/functional/arbiter/brick_cases/__init__.py create mode 100644 tests/functional/arbiter/brick_cases/test_replica3_to_arbiter.py diff --git a/tests/functional/arbiter/__init__.py b/tests/functional/arbiter/__init__.py new file mode 100644 index 000000000..e69de29bb diff --git a/tests/functional/arbiter/brick_cases/__init__.py b/tests/functional/arbiter/brick_cases/__init__.py new file mode 100644 index 000000000..e69de29bb diff --git a/tests/functional/arbiter/brick_cases/test_replica3_to_arbiter.py b/tests/functional/arbiter/brick_cases/test_replica3_to_arbiter.py new file mode 100644 index 000000000..2bfd7c8d0 --- /dev/null +++ b/tests/functional/arbiter/brick_cases/test_replica3_to_arbiter.py @@ -0,0 +1,178 @@ +# Copyright (C) 2015-2016 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. + +""" Test Arbiter Specific Cases""" + +from glusto.core import Glusto as g +from glustolibs.gluster.gluster_base_class import (GlusterBaseClass, runs_on) +from glustolibs.gluster.volume_libs import ( + log_volume_info_and_status, + expand_volume, wait_for_volume_process_to_be_online, + verify_all_process_of_volume_are_online, shrink_volume) +from glustolibs.gluster.rebalance_ops import ( + rebalance_start, rebalance_status, wait_for_rebalance_to_complete) +from glustolibs.gluster.exceptions import ExecutionError + + +@runs_on([['replicated', 'distributed-replicated'], + ['glusterfs', 'nfs', 'cifs']]) +class GlusterArbiterVolumeTypeClass(GlusterBaseClass): + """Class for testing Volume Type Change from replicated to + Arbitered volume + """ + @classmethod + def setUpClass(cls): + # Calling GlusterBaseClass setUpClass + GlusterBaseClass.setUpClass.im_func(cls) + + # Overriding the volume type to specifically test the volume type + + if cls.volume_type == "replicated": + cls.volume['voltype'] = { + 'type': 'replicated', + 'replica_count': 3, + 'dist_count': 3, + 'transport': 'tcp' + } + + def setUp(self): + """ + - Setup Volume and Mount Volume + """ + # Calling GlusterBaseClass setUpClass + GlusterBaseClass.setUpClass.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") + + def tearDown(self): + + # 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.tearDown.im_func(self) + + def test_replicated_to_arbiter_volume(self): + """ + Description:- + Reduce the replica count from replica 3 to arbiter + """ + # Log Volume Info and Status + g.log.info("Logging volume info and Status") + 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) + + # Remove brick to reduce the replica count from replica 3 + g.log.info("Removing bricks to form replica 2 volume") + subvol_num = 1 + replica_num = 1 + reduce_count = {'replica_count': 2, 'distribute_count': 1} + ret = shrink_volume(self.mnode, self.volname, subvol_num, + replica_num, force=True, **reduce_count) + 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) + + # Log Volume Info and Status after changin + # replicate 3 to replica 2 + g.log.info("Logging volume info and Status after changing to " + "arbitered 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, ("Volume %s process not online despite waiting " + "for 300 seconds", self.volname)) + g.log.info("Successful in waiting for volume %s processes to be " + "online", self.volname) + + # Verifying all bricks online + g.log.info("Verifying volume's all process are online") + 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) + + # Adding the bricks to amke arbiter brick + g.log.info("Adding bricks to convert to Arbiter Volume") + replica_arbiter = {'replica_count': 3, 'arbiter_count': 1} + ret = expand_volume(self.mnode, self.volname, self.servers[2:], + self.all_servers_info, add_to_hot_tier=False, + **replica_arbiter) + self.assertTrue(ret, ("Failed to expand the volume %s", self.volname)) + g.log.info("Changing volume to arbiter volume is successfull %s", + self.volname) + + # Log Volume Info and Status after expanding the volume + g.log.info("Logging volume info and Status after expanding 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, ("Failed to wait for volume %s processes to " + "be online", self.volname)) + g.log.info("Successful in waiting for volume %s processes to be " + "online", self.volname) + + # Verify volume's all process are online + g.log.info("Verifying volume's all process are online") + 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, ("Failed to start rebalance on the volume " + "%s", self.volname)) + g.log.info("Successfully started rebalance on the volume %s", + self.volname) + + # Log Rebalance status + g.log.info("Log Rebalance status") + _, _, _ = rebalance_status(self.mnode, self.volname) + + # Wait for rebalance to complete + g.log.info("Waiting for rebalance to complete") + ret = wait_for_rebalance_to_complete(self.mnode, self.volname) + self.assertTrue(ret, ("Rebalance is not yet complete on the volume " + "%s", self.volname)) + g.log.info("Rebalance is successfully complete on the volume %s", + self.volname) -- cgit