# Copyright (C) 2016-2017 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. import random 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.gluster.volume_libs import setup_volume, cleanup_volume from glustolibs.gluster.volume_ops import (get_volume_list) from glustolibs.gluster.brick_ops import add_brick from glustolibs.gluster.lib_utils import form_bricks_list from glustolibs.gluster.rebalance_ops import rebalance_start from glustolibs.gluster.brick_libs import delete_bricks @runs_on([['distributed-replicated'], ['glusterfs']]) class TestVolumeCreate(GlusterBaseClass): @classmethod def setUpClass(cls): # Calling GlusterBaseClass setUpClass cls.get_super_method(cls, 'setUpClass')() # check whether peers are in connected state if not cls.validate_peers_are_connected(): raise ExecutionError("Peers are not in connected state") def tearDown(self): # clean up all volumes vol_list = get_volume_list(self.mnode) if vol_list is None: raise ExecutionError("Failed to get the volume list") for volume in vol_list: if not cleanup_volume(self.mnode, volume): raise ExecutionError("Unable to delete volume % s" % volume) g.log.info("Volume deleted successfully : %s", volume) # Checking brick dir and cleaning it. ret = delete_bricks(self.bricks_list) if not ret: raise ExecutionError("Failed to delete the brick dirs.") g.log.info("Successfully cleaned all the brick dirs.") self.get_super_method(self, 'tearDown')() def test_add_brick_functionality(self): # create and start volume self.assertTrue( setup_volume(self.mnode, self.all_servers_info, self.volume), "Failed to create and start volume %s" % self.volname) g.log.info("Volume created and started successfully") # form bricks list to test add brick functionality replica_count_of_volume = self.volume['voltype']['replica_count'] num_of_bricks = 4 * replica_count_of_volume self.bricks_list = form_bricks_list(self.mnode, self.volname, num_of_bricks, self.servers, self.all_servers_info) self.assertIsNotNone(self.bricks_list, "Bricks list is None") # Try to add a single brick to volume, which should fail as it is a # replicated volume, we should pass multiple of replica count number # of bricks self.assertNotEqual( add_brick(self.mnode, self.volname, self.bricks_list[0])[0], 0, "Expected: It should fail to add a single brick to a replicated " "volume. Actual: Successfully added single brick to volume") g.log.info("Failed to add a single brick to replicated volume " "(as expected)") # add brick replica count number of bricks in which one is a # non existing brick (not using the brick used in the earlier test) kwargs = {'replica_count': replica_count_of_volume} bricks_to_add = self.bricks_list[1:replica_count_of_volume + 1] # make one of the bricks a non-existing one (randomly) random_index = random.randint(0, replica_count_of_volume - 1) bricks_to_add[random_index] += "/non_existing_brick" self.assertNotEqual( add_brick(self.mnode, self.volname, bricks_to_add, **kwargs)[0], 0, "Expected: It should fail to add a non existing brick to volume. " "Actual: Successfully added a non existing brick to volume") g.log.info("Failed to add a non existing brick to volume " "(as expected)") # add a brick from a node which is not a part of the cluster # (not using bricks used in earlier tests) bricks_to_add = self.bricks_list[replica_count_of_volume + 1: (2 * replica_count_of_volume) + 1] # change one (random) brick's node name to a non existent node random_index = random.randint(0, replica_count_of_volume - 1) brick_to_change = bricks_to_add[random_index].split(":") brick_to_change[0] = "abc.def.ghi.jkl" bricks_to_add[random_index] = ":".join(brick_to_change) self.assertNotEqual( add_brick(self.mnode, self.volname, bricks_to_add, **kwargs)[0], 0, "Expected: It should fail to add brick from a node which is not " "part of a cluster. Actual: Successfully added bricks from node " "which is not a part of cluster to volume") g.log.info("Failed to add bricks from node which is not a part of " "cluster to volume (as expected)") # add correct number of valid bricks, it should succeed # (not using bricks used in earlier tests) bricks_to_add = self.bricks_list[(2 * replica_count_of_volume) + 1: (3 * replica_count_of_volume) + 1] self.assertEqual( add_brick(self.mnode, self.volname, bricks_to_add, **kwargs)[0], 0, "Failed to add the bricks to the volume") g.log.info("Successfully added bricks to volume") # Perform rebalance start operation self.assertEqual(rebalance_start(self.mnode, self.volname)[0], 0, "Rebalance start failed")