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# Copyright (C) 2020 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.
from datetime import datetime, timedelta
from glusto.core import Glusto as g
from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
from glustolibs.gluster.lib_utils import get_usable_size_per_disk
from glustolibs.gluster.volume_libs import get_subvols
from glustolibs.io.memory_and_cpu_utils import (
wait_for_logging_processes_to_stop)
from glustolibs.gluster.brick_libs import get_all_bricks
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.io.utils import validate_io_procs
@runs_on([['distributed-replicated'], ['glusterfs']])
class TestMemLeakAfterSSLEnabled(GlusterBaseClass):
def setUp(self):
"""
Setup and mount volume or raise ExecutionError
"""
self.get_super_method(self, 'setUp')()
self.test_id = self.id()
# Setup Volume
self.volume['dist_count'] = 2
self.volume['replica_count'] = 3
ret = self.setup_volume_and_mount_volume(self.mounts)
if not ret:
g.log.error("Failed to Setup and Mount Volume")
raise ExecutionError("Failed to Setup and Mount Volume")
def tearDown(self):
# Unmount and cleanup original volume
ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to umount the vol & cleanup Volume")
g.log.info("Successful in umounting the volume and Cleanup")
# Calling GlusterBaseClass tearDown
self.get_super_method(self, 'tearDown')()
def test_mem_leak_on_gluster_procs_after_ssl_enabled(self):
"""
Steps:
Scenario 1:
1) Enable management encryption on the cluster.
2) Create a 2X3 volume.
3) Mount the volume using FUSE on a client node.
4) Start doing IO on the mount (ran IO till the volume is ~88% full)
5) Simultaneously start collecting the memory usage for
'glusterfsd' process.
6) Issue the command "# gluster v heal <volname> info" continuously
in a loop.
"""
# Fill the vol approx 88%
bricks = get_all_bricks(self.mnode, self.volname)
usable_size = int(get_usable_size_per_disk(bricks[0]) * 0.88)
procs = []
counter = 1
for _ in get_subvols(self.mnode, self.volname)['volume_subvols']:
filename = "{}/test_file_{}".format(self.mounts[0].mountpoint,
str(counter))
proc = g.run_async(self.mounts[0].client_system,
"fallocate -l {}G {}".format(usable_size,
filename))
procs.append(proc)
counter += 1
# Start monitoring resource usage on servers and clients
# default interval = 60 sec
# count = 780 (60 *12) => for 12 hrs
monitor_proc_dict = self.start_memory_and_cpu_usage_logging(
self.test_id, count=780)
self.assertIsNotNone(monitor_proc_dict,
"Failed to start monitoring on servers and "
"clients")
ret = validate_io_procs(procs, self.mounts)
self.assertTrue(ret, "IO Failed")
# Perform gluster heal info for 12 hours
end_time = datetime.now() + timedelta(hours=12)
while True:
curr_time = datetime.now()
cmd = "gluster volume heal %s info" % self.volname
ret, _, _ = g.run(self.mnode, cmd)
self.assertEqual(ret, 0, "Failed to execute heal info cmd")
if curr_time > end_time:
g.log.info("Successfully ran for 12 hours. Checking for "
"memory leaks")
break
# Wait for monitoring processes to complete
ret = wait_for_logging_processes_to_stop(monitor_proc_dict,
cluster=True)
self.assertTrue(ret,
"ERROR: Failed to stop monitoring processes")
# Check if there are any memory leaks and OOM killers
ret = self.check_for_memory_leaks_and_oom_kills_on_servers(
self.test_id)
self.assertFalse(ret,
"Memory leak and OOM kills check failed on servers")
ret = self.check_for_memory_leaks_and_oom_kills_on_clients(
self.test_id)
self.assertFalse(ret,
"Memory leak and OOM kills check failed on clients")
g.log.info(
"No memory leaks/OOM kills found on serves and clients")
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