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# Copyright (C) 2021 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.
# pylint: disable=too-many-statements, too-many-locals
from unittest import SkipTest
from glusto.core import Glusto as g
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
from glustolibs.misc.misc_libs import upload_scripts
from glustolibs.gluster.glusterdir import mkdir
from glustolibs.gluster.heal_libs import (monitor_heal_completion,
is_heal_complete)
from glustolibs.io.utils import (run_linux_untar, run_crefi,
wait_for_io_to_complete)
@runs_on([['replicated', 'distributed-replicated'], ['glusterfs']])
class TestSelfHeal(GlusterBaseClass):
@classmethod
def setUpClass(cls):
# Calling GlusterBaseClass setUpClass
cls.get_super_method(cls, 'setUpClass')()
# Check for availability of atleast 3 clients
if len(cls.clients) < 3:
raise SkipTest("This test requires atleast 3 clients")
# Upload io scripts for running IO on mounts
cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/"
"file_dir_ops.py")
ret = upload_scripts(cls.clients, cls.script_upload_path)
if not ret:
raise ExecutionError("Failed to upload IO scripts "
"to clients %s" % cls.clients)
g.log.info("Successfully uploaded IO scripts to clients %s",
cls.clients)
# Setup Volume and Mount Volume
ret = cls.setup_volume_and_mount_volume(cls.mounts, True)
if not ret:
raise ExecutionError("Failed to Setup_Volume and Mount_Volume")
g.log.info("Successful in Setup Volume and Mount Volume")
cls.list_of_io_processes = []
cls.is_io_running = False
def tearDown(self):
# If I/O processes are running wait from them to complete
if self.is_io_running:
if not 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[0]])
if not ret:
raise ExecutionError("Unable to delete volume %s" % self.volname)
self.get_super_method(self, 'tearDown')()
def test_afr_node_reboot_self_heal(self):
"""
Steps:
1. Create *3 replica volume
2. Mount the volume on 3 clients
3. Run following workload from clients
Client 1: Linux Untars
Client 2: Lookups ls
Client 3: Lookups du
4. Create a directory on mount point
5. Create deep dirs and file in the directory created at step 4
6. Perform node reboot
7. Check for heal status
8. Reboot another node
9. Check for heal status
"""
# Create a dir to start untar
self.linux_untar_dir = "{}/{}".format(self.mounts[0].mountpoint,
"linuxuntar")
ret = mkdir(self.clients[0], self.linux_untar_dir)
self.assertTrue(ret, "Failed to create dir linuxuntar for untar")
# Start linux untar on dir linuxuntar from client 1
ret = run_linux_untar(self.clients[0], self.mounts[0].mountpoint,
dirs=tuple(['linuxuntar']))
self.list_of_io_processes += ret
self.is_io_running = True
# Run lookup operation ls from client 2
cmd = ("cd {}; for i in `seq 1 1000000`;do du -sh; done"
.format(self.mounts[1].mountpoint))
ret = g.run_async(self.mounts[1].client_system, cmd)
self.list_of_io_processes += [ret]
# Run lookup operation du from client 3
cmd = ("cd {}; for i in `seq 1 1000000`;do ls -laRt; done"
.format(self.mounts[2].mountpoint))
ret = g.run_async(self.mounts[2].client_system, cmd)
self.list_of_io_processes += [ret]
# Create a dir to start crefi tool
self.linux_untar_dir = "{}/{}".format(self.mounts[3].mountpoint,
"crefi")
ret = mkdir(self.clients[3], self.linux_untar_dir)
self.assertTrue(ret, "Failed to create dir for crefi")
# Create deep dirs and files on mount point from client 4
list_of_fops = ("create", "rename", "chmod", "chown", "chgrp",
"hardlink", "truncate", "setxattr")
for fops in list_of_fops:
ret = run_crefi(self.clients[3],
self.linux_untar_dir, 10, 3, 3, thread=4,
random_size=True, fop=fops, minfs=0,
maxfs=102400, multi=True, random_filename=True)
self.assertTrue(ret, "crefi failed during {}".format(fops))
g.log.info("crefi PASSED FOR fop %s", fops)
g.log.info("IOs were successful using crefi")
for server_num in (1, 2):
# Perform node reboot for servers
g.log.info("Rebooting %s", self.servers[server_num])
ret = g.run_async(self.servers[server_num], "reboot")
self.assertTrue(ret, 'Failed to reboot node')
# Monitor heal completion
ret = monitor_heal_completion(self.mnode, self.volname)
self.assertTrue(ret, 'Heal has not yet completed')
# Check if heal is completed
ret = is_heal_complete(self.mnode, self.volname)
self.assertTrue(ret, 'Heal is not complete')
g.log.info('Heal is completed successfully')
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