# 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 """ # pylint: disable=too-many-statements # 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)