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# Copyright (C) 2018 Red Hat, Inc. <http://www.redhat.com>
#
# 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 time
import string
from glusto.core import Glusto as g
from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
from glustolibs.gluster.volume_ops import (volume_create, volume_start,
get_volume_list, get_volume_status)
from glustolibs.gluster.brick_libs import (get_all_bricks,
bring_bricks_offline)
from glustolibs.gluster.volume_libs import (cleanup_volume)
from glustolibs.gluster.peer_ops import (peer_probe, peer_detach,
peer_probe_servers,
nodes_from_pool_list)
from glustolibs.gluster.lib_utils import form_bricks_list
from glustolibs.gluster.brick_ops import add_brick
from glustolibs.gluster.exceptions import ExecutionError
@runs_on([['distributed'], ['glusterfs']])
class TestAddIdenticalBrick(GlusterBaseClass):
def setUp(self):
# Performing peer detach
for server in self.servers[1:]:
ret, _, _ = peer_detach(self.mnode, server)
if ret != 0:
raise ExecutionError("Peer detach failed")
g.log.info("Peer detach SUCCESSFUL.")
self.get_super_method(self, 'setUp')()
def tearDown(self):
"""
clean up all volumes and peer probe to form cluster
"""
vol_list = get_volume_list(self.mnode)
if vol_list is not None:
for volume in vol_list:
ret = cleanup_volume(self.mnode, volume)
if not ret:
raise ExecutionError("Failed to cleanup volume")
g.log.info("Volume deleted successfully : %s", volume)
# Peer probe detached servers
pool = nodes_from_pool_list(self.mnode)
for node in pool:
peer_detach(self.mnode, node)
ret = peer_probe_servers(self.mnode, self.servers)
if not ret:
raise ExecutionError("Failed to probe detached "
"servers %s" % self.servers)
g.log.info("Peer probe success for detached "
"servers %s", self.servers)
self.get_super_method(self, 'tearDown')()
def test_add_identical_brick(self):
"""
In this test case:
1. Create Dist Volume on Node 1
2. Down brick on Node 1
3. Peer Probe N2 from N1
4. Add identical brick on newly added node
5. Check volume status
"""
# pylint: disable=too-many-statements
# Create a distributed volume on Node1
number_of_brick = 1
servers_info_from_single_node = {
self.servers[0]: self.all_servers_info[self.servers[0]]
}
self.volname = "testvol"
bricks_list = form_bricks_list(self.servers[0], self.volname,
number_of_brick, self.servers[0],
servers_info_from_single_node)
ret, _, _ = volume_create(self.servers[0], self.volname,
bricks_list, force=False)
self.assertEqual(ret, 0, "Volume create failed")
g.log.info("Volume %s created successfully", self.volname)
ret, _, _ = volume_start(self.servers[0], self.volname, True)
self.assertEqual(ret, 0, ("Failed to start the "
"volume %s", self.volname))
g.log.info("Get all the bricks of the volume")
bricks_list = get_all_bricks(self.mnode, self.volname)
self.assertIsNotNone(bricks_list, "Failed to get the brick list")
g.log.info("Successfully got the list of bricks of volume")
ret = bring_bricks_offline(self.volname, bricks_list[0])
self.assertTrue(ret, "Failed to bring down the bricks")
g.log.info("Successfully brought the bricks down")
ret, _, _ = peer_probe(self.servers[0], self.servers[1])
self.assertEqual(ret, 0, ("peer probe from %s to %s is failed",
self.servers[0], self.servers[1]))
g.log.info("peer probe is success from %s to "
"%s", self.servers[0], self.servers[1])
# wait for some time before add-brick
time.sleep(2)
# Replace just host IP to create identical brick
add_bricks = []
add_bricks.append(string.replace(bricks_list[0],
self.servers[0], self.servers[1]))
ret, _, _ = add_brick(self.mnode, self.volname, add_bricks)
self.assertEqual(ret, 0, "Failed to add the bricks to the volume")
g.log.info("Successfully added bricks to volume %s", add_bricks[0])
ret, _, _ = volume_start(self.mnode, self.volname, force=True)
self.assertEqual(ret, 0, "Volume start with force failed")
vol_status = get_volume_status(self.mnode, self.volname)
self.assertIsNotNone(vol_status, "Failed to get volume "
"status for %s" % self.volname)
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