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# Copyright (C) 2017-2018 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.
""" Description:
Test Cases in this module tests the volume stop, start, reset
operations when sub-dirs are mounted
"""
import copy
from glusto.core import Glusto as g
from glustolibs.gluster.gluster_base_class import (GlusterBaseClass,
runs_on)
from glustolibs.gluster.glusterdir import mkdir
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.gluster.volume_ops import (volume_stop, volume_start,
volume_reset)
from glustolibs.misc.misc_libs import upload_scripts
from glustolibs.io.utils import validate_io_procs, get_mounts_stat
@runs_on([['replicated', 'distributed', 'distributed-replicated',
'dispersed', 'distributed-dispersed'],
['glusterfs']])
class VolumeSetOpsSubDirsMounted(GlusterBaseClass):
"""
Tests to verify volume stop, start, reset operations when sub-directories
are mounted on fuse clients
"""
@classmethod
def setUpClass(cls):
"""
Setup and mount volume
"""
GlusterBaseClass.setUpClass.im_func(cls)
# Setup Volume and Mount Volume
g.log.info("Starting volume setup and mount %s",
cls.volname)
ret = cls.setup_volume_and_mount_volume(cls.mounts)
if not ret:
raise ExecutionError("Failed to Setup "
"and Mount_Volume %s" % cls.volname)
g.log.info("Successfully set and mounted the volume: %s", cls.volname)
# Upload io scripts for running IO on mounts
g.log.info("Uploading IO scripts to clients %s for running IO on "
"mounts", cls.clients)
script_local_path = ("/usr/share/glustolibs/io/scripts/"
"file_dir_ops.py")
cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/"
"file_dir_ops.py")
ret = upload_scripts(cls.clients, script_local_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)
def test_volume_set_ops_sub_dirs_mounted(self):
"""
Check volume start/volume stop/volume reset operations while sub-dirs
are mounted
Steps:
1. Create two sub-directories on mounted volume.
2. Unmount volume from clients.
3. Mount each sub-directory to two different clients.
4. Perform IO on mounts.
5. Perform volume stop operation.
6. Perform volume start operation.
7. Perform volume reset operation.
"""
# Creating two sub directories on mounted volume
ret = mkdir(self.mounts[0].client_system, "%s/d1"
% self.mounts[0].mountpoint)
self.assertTrue(ret, ("Failed to create directory 'd1' in volume %s "
"from client %s"
% (self.mounts[0].volname,
self.mounts[0].client_system)))
ret = mkdir(self.mounts[0].client_system, "%s/d2"
% self.mounts[0].mountpoint)
self.assertTrue(ret, ("Failed to create directory 'd2' in volume %s "
"from client %s"
% (self.mounts[0].volname,
self.mounts[0].client_system)))
# Unmounting volumes
ret = self.unmount_volume(self.mounts)
self.assertTrue(ret, "Failed to un mount one or more volumes")
g.log.info("Successfully un mounted all volumes")
# Mounting one sub directory on each client.
self.subdir_mounts = [copy.deepcopy(self.mounts[0]),
copy.deepcopy(self.mounts[1])]
self.subdir_mounts[0].volname = "%s/d1" % self.volname
self.subdir_mounts[1].volname = "%s/d2" % self.volname
for mount_obj in self.subdir_mounts:
ret = mount_obj.mount()
self.assertTrue(ret, ("Failed to mount sub directory %s on client"
" %s" % (mount_obj.volname,
mount_obj.client_system)))
g.log.info("Successfully mounted sub directory %s on client %s",
mount_obj.volname,
mount_obj.client_system)
g.log.info("Successfully mounted sub directories to clients.")
# Start IO on all mounts.
all_mounts_procs = []
count = 1
for mount_obj in self.subdir_mounts:
g.log.info("Starting IO on %s:%s", mount_obj.client_system,
mount_obj.mountpoint)
cmd = ("python %s create_deep_dirs_with_files "
"--dirname-start-num %d "
"--dir-depth 2 "
"--dir-length 10 "
"--max-num-of-dirs 5 "
"--num-of-files 5 %s" % (self.script_upload_path, count,
mount_obj.mountpoint))
proc = g.run_async(mount_obj.client_system, cmd,
user=mount_obj.user)
all_mounts_procs.append(proc)
count = count + 10
# Validate IO
g.log.info("Validating IO's")
ret = validate_io_procs(all_mounts_procs, self.subdir_mounts)
self.assertTrue(ret, "IO failed on some of the clients")
g.log.info("Successfully validated all io's")
# Get stat of all the files/dirs created.
g.log.info("Get stat of all the files/dirs created.")
ret = get_mounts_stat(self.subdir_mounts)
self.assertTrue(ret, "Stat failed on some of the clients")
g.log.info("Successfully got stat of all files/dirs created")
# Stop volume
g.log.info("Stopping volume: %s", self.volname)
ret, _, _ = volume_stop(self.mnode, self.volname)
self.assertEqual(ret, 0, "Failed to stop volume: %s" % self.volname)
# Start volume
g.log.info("Starting volume again: %s", self.volname)
ret, _, _ = volume_start(self.mnode, self.volname)
self.assertEqual(ret, 0, "Failed to start volume: %s" % self.volname)
# Reset volume
g.log.info("Resetting volume: %s", self.volname)
ret, _, _ = volume_reset(self.mnode, self.volname)
self.assertEqual(ret, 0, "Failed to reset volume: %s" % self.volname)
def tearDown(self):
"""
Unmounting and cleaning up
"""
g.log.info("Unmounting sub-dir mounts")
ret = self.unmount_volume_and_cleanup_volume(self.subdir_mounts)
if not ret:
raise ExecutionError("Failed to Unmount and cleanup sub-dir "
"mounts")
g.log.info("Successfully un mounted sub-dir mounts and cleaned")
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