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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 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.glusterdir import mkdir
from glustolibs.io.utils import (run_linux_untar, validate_io_procs,
wait_for_io_to_complete)
from glustolibs.io.memory_and_cpu_utils import (
wait_for_logging_processes_to_stop)
@runs_on([['distributed-replicated', 'distributed-arbiter',
'distributed-dispersed', 'distributed', 'replicated',
'arbiter', 'dispersed'], ['glusterfs']])
class TestBasicMemoryleak(GlusterBaseClass):
def setUp(self):
self.get_super_method(self, 'setUp')()
# Set test_id for get gathering
self.test_id = self.id()
# Set I/O flag to false
self.is_io_running = False
# Creating Volume and mounting the volume
ret = self.setup_volume_and_mount_volume(self.mounts)
if not ret:
raise ExecutionError("Volume creation or mount failed: %s"
% self.volname)
def tearDown(self):
# Wait for I/O to complete
if self.is_io_running:
if wait_for_io_to_complete(self.list_of_io_processes,
self.mounts):
raise ExecutionError("Failed to wait for I/O to complete")
# Unmounting and cleaning volume
ret = self.unmount_volume_and_cleanup_volume(self.mounts)
if not ret:
raise ExecutionError("Unable to delete volume %s" % self.volname)
self.get_super_method(self, 'tearDown')()
def test_basic_memory_leak(self):
"""
Test case:
1. Create a volume, start it and mount it.
2. Start I/O from mount point.
3. Check if there are any memory leaks and OOM killers.
"""
# Start monitoring resource usage on servers and clients
monitor_proc_dict = self.start_memory_and_cpu_usage_logging(
self.test_id, count=30)
self.assertIsNotNone(monitor_proc_dict,
"Failed to start monitoring on servers and "
"clients")
# Create a dir to start untar
self.linux_untar_dir = "{}/{}".format(self.mounts[1].mountpoint,
"linuxuntar")
ret = mkdir(self.mounts[1].client_system, self.linux_untar_dir)
self.assertTrue(ret, "Failed to create dir linuxuntar for untar")
# Start multiple I/O from mount points
self.list_of_io_processes = []
cmd = ("cd {};for i in `seq 1 100`; do mkdir dir.$i ;"
"for j in `seq 1 1000`; do dd if=/dev/random "
"of=dir.$i/testfile.$j bs=1k count=10;done;done"
.format(self.mounts[0].mountpoint))
ret = g.run_async(self.mounts[0].client_system, cmd)
self.list_of_io_processes = [ret]
# Start linux untar on dir linuxuntar
ret = run_linux_untar(self.mounts[1].client_system,
self.mounts[1].mountpoint,
dirs=tuple(['linuxuntar']))
self.list_of_io_processes += ret
self.is_io_running = True
# Wait for I/O to complete and validate I/O on mount points
ret = validate_io_procs(self.list_of_io_processes, self.mounts)
self.assertTrue(ret, "I/O failed on mount point")
self.is_io_running = False
# 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 or OOM kills found on serves and clients")
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