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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.
"""
Test Cases in this module tests the nfs ganesha version 3 and 4
rootsquash functionality cases.
"""
from glusto.core import Glusto as g
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.gluster.gluster_base_class import runs_on
from glustolibs.gluster.nfs_ganesha_libs import (
NfsGaneshaClusterSetupClass,
wait_for_nfs_ganesha_volume_to_get_unexported)
from glustolibs.io.utils import get_mounts_stat
from glustolibs.gluster.nfs_ganesha_ops import (
set_root_squash,
unexport_nfs_ganesha_volume)
from glustolibs.gluster.gluster_init import (
is_glusterd_running, restart_glusterd)
from glustolibs.gluster.peer_ops import wait_for_peers_to_connect
from glustolibs.gluster.lib_utils import (append_string_to_file)
from glustolibs.gluster.glusterfile import set_file_permissions
@runs_on([['replicated', 'distributed', 'distributed-replicated',
'dispersed', 'distributed-dispersed'],
['nfs']])
class TestNfsGaneshaRootSquash(NfsGaneshaClusterSetupClass):
@classmethod
def setUpClass(cls):
"""
Setup nfs-ganesha if not exists.
"""
cls.get_super_method(cls, 'setUpClass')()
# Setup nfs-ganesha
ret = cls.setup_nfs_ganesha()
if not ret:
raise ExecutionError("Failed to setup nfs-ganesha cluster "
"ganesha cluster")
g.log.info("nfs-ganesha cluster is healthy")
def setUp(self):
"""
Setup Volume
"""
self.get_super_method(self, 'setUp')()
# Setup and mount volume
ret = self.setup_volume_and_mount_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to setup and mount volume %s"
% self.volname)
g.log.info("Successful in setup and mount volume %s", self.volname)
def test_root_squash_enable(self):
"""
Tests to verify Nfs Ganesha rootsquash functionality when glusterd
service is restarted
Steps:
1. Create some files and dirs inside mount point
2. Set permission as 777 for mount point
3. Enable root-squash on volume
4. Create some more files and dirs
5. Restart glusterd on all the nodes
6. Try to edit file created in step 1
It should not allow to edit the file
7. Try to edit the file created in step 5
It should allow to edit the file
"""
# Start IO on mount point.
cmd = ("for i in {1..10}; do touch %s/file$i; done"
% self.mounts[0].mountpoint)
ret, _, err = g.run(self.mounts[0].client_system, cmd,
user=self.mounts[0].user)
self.assertEqual(ret, 0, err)
# Get stat of all the files/dirs created.
ret = get_mounts_stat(self.mounts)
self.assertTrue(ret, "Stat failed on some of the clients")
g.log.info("Successful in getting stats of files/dirs "
"from mount point")
# Set mount point permission to 777
ret = set_file_permissions(self.mounts[0].client_system,
self.mounts[0].mountpoint, 777)
self.assertTrue(ret, "Failed to set permission for directory")
g.log.info("Successfully set permissions for directory")
# Enable root-squash on volume
ret = set_root_squash(self.servers[0], self.volname)
self.assertTrue(ret, "Failed to enable root-squash on volume")
g.log.info("root-squash is enable on the volume")
# Start IO on mount point.
cmd = ("for i in {1..10}; do touch %s/Squashfile$i; done"
% self.mounts[0].mountpoint)
ret, _, err = g.run(self.mounts[0].client_system, cmd,
user=self.mounts[0].user)
self.assertEqual(ret, 0, err)
# Get stat of all the files/dirs created.
ret = get_mounts_stat(self.mounts)
self.assertTrue(ret, "Stat failed on some of the clients")
g.log.info("Successfull in getting stats of files/dirs "
"from mount point")
# Restart glusterd on all servers
ret = restart_glusterd(self.servers)
self.assertTrue(ret, ("Failed to restart glusterd on all servers %s",
self.servers))
g.log.info("Successfully restarted glusterd on all servers %s",
self.servers)
# Check if glusterd is running on all servers
ret = is_glusterd_running(self.servers)
self.assertEqual(ret, 0, ("Failed:Glusterd is not running on all "
"servers %s",
self.servers))
g.log.info("Glusterd is running on all the servers %s", self.servers)
# Checking if peer is connected.
ret = wait_for_peers_to_connect(self.mnode, self.servers)
self.assertTrue(ret, "Failed:Peer is not in connected state.")
g.log.info("Peers are in connected state.")
# Edit file created by root user
for mount_obj in self.mounts:
ret = append_string_to_file(mount_obj.client_system,
"%s/file10" % mount_obj.mountpoint,
'hello')
self.assertFalse(ret, "Unexpected:nfsnobody user editing file "
"created by root user should FAIL")
g.log.info("Successful:nfsnobody user failed to edit file "
"created by root user")
# Edit the file created by nfsnobody user
for mount_obj in self.mounts:
ret = append_string_to_file(mount_obj.client_system,
"%s/Squashfile5"
% mount_obj.mountpoint,
'hello')
self.assertTrue(ret, "Unexpected:nfsnobody user failed to edit "
"the file created by nfsnobody user")
g.log.info("Successful:nfsnobody user successfully edited the "
"file created by nfsnobody user")
def tearDown(self):
# Disable root-squash
ret = set_root_squash(self.mnode, self.volname, squash=False,
do_refresh_config=True)
if not ret:
raise ExecutionError("Failed to disable root-squash on nfs "
"ganesha cluster")
g.log.info("root-squash is disabled on volume")
# Unexport volume
unexport_nfs_ganesha_volume(self.mnode, self.volname)
ret = wait_for_nfs_ganesha_volume_to_get_unexported(self.mnode,
self.volname)
if not ret:
raise ExecutionError("Failed:Volume %s is not unexported."
% self.volname)
g.log.info("Unexporting of volume is successful")
# Unmount and cleanup Volume
ret = self.unmount_volume_and_cleanup_volume(self.mounts)
if ret:
g.log.info("Successful unmount and cleanup of volume")
else:
raise ExecutionError("Failed to unmount and cleanup volume")
@classmethod
def tearDownClass(cls):
cls.get_super_method(cls, 'tearDownClass')(
delete_nfs_ganesha_cluster=False)
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