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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.
"""
Description:
Test cases in this module tests directory rmdir with subvol down
"""
from time import sleep
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.gluster.brick_libs import bring_bricks_offline
from glustolibs.gluster.volume_libs import get_subvols, volume_start
from glustolibs.gluster.glusterfile import file_exists
from glustolibs.gluster.dht_test_utils import (find_hashed_subvol,
find_nonhashed_subvol,
create_brickobjectlist)
from glustolibs.gluster.dht_test_utils import validate_files_in_dir
from glustolibs.gluster.constants import FILETYPE_DIRS
from glustolibs.gluster.constants import (TEST_LAYOUT_IS_COMPLETE as
LAYOUT_IS_COMPLETE)
from glustolibs.gluster.glusterdir import mkdir, rmdir
from glustolibs.gluster.mount_ops import umount_volume, mount_volume
@runs_on([['distributed-replicated', 'distributed',
'distributed-dispersed', 'distributed-arbiter'],
['glusterfs']])
class TestLookupDir(GlusterBaseClass):
# Create Volume and mount according to config file
def setUp(self):
"""
Setup and mount volume or raise ExecutionError
"""
self.get_super_method(self, 'setUp')()
# Change the dist count to 4 in case of 'distributed-replicated' ,
# 'distributed-dispersed' and 'distributed-arbiter'
if self.volume_type in ("distributed-replicated",
"distributed-dispersed",
"distributed-arbiter"):
self.volume['voltype']['dist_count'] = 4
# Setup Volume
ret = self.setup_volume_and_mount_volume(self.mounts)
if not ret:
raise ExecutionError("Failed to Setup and Mount Volume")
mount_obj = self.mounts[0]
self.mountpoint = mount_obj.mountpoint
# Collect subvols
self.subvols = (get_subvols
(self.mnode, self.volname))['volume_subvols']
def test_rmdir_child_when_nonhash_vol_down(self):
"""
case -1:
- create parent
- bring down a non-hashed subvolume for directory child
- create parent/child
- rmdir /mnt/parent will fail with ENOTCONN
"""
# pylint: disable=protected-access
# pylint: disable=too-many-statements
# pylint: disable=unsubscriptable-object
# Find a non hashed subvolume(or brick)
# Create parent dir
parent_dir = self.mountpoint + '/parent'
child_dir = parent_dir + '/child'
ret = mkdir(self.clients[0], parent_dir)
self.assertTrue(ret, "mkdir failed")
g.log.info("mkdir of parent directory %s successful", parent_dir)
# Find a non hashed subvolume(or brick)
nonhashed_subvol, count = find_nonhashed_subvol(self.subvols,
"parent", "child")
self.assertIsNotNone("Error in finding nonhashed value")
g.log.info("nonhashed_subvol %s", nonhashed_subvol._host)
# Bring nonhashed_subbvol offline
ret = bring_bricks_offline(self.volname, self.subvols[count])
self.assertTrue(ret, ("Error in bringing down subvolume %s"
% self.subvols[count]))
g.log.info('target subvol %s is offline', self.subvols[count])
# Create child-dir
ret = mkdir(self.clients[0], child_dir)
self.assertTrue(ret, ('mkdir failed for %s ' % child_dir))
g.log.info("mkdir of child directory %s successful", child_dir)
# 'rmdir' on parent should fail with ENOTCONN
ret = rmdir(self.clients[0], parent_dir)
self.assertFalse(ret, ('Expected rmdir to fail for %s' % parent_dir))
g.log.info("rmdir of parent directory %s failed as expected",
parent_dir)
# Cleanup
# Bring up the subvol - restart volume
ret = volume_start(self.mnode, self.volname, force=True)
self.assertTrue(ret, "Error in force start the volume")
g.log.info('Volume restart success')
sleep(10)
# Delete parent_dir
ret = rmdir(self.clients[0], parent_dir, force=True)
self.assertTrue(ret, ('rmdir failed for %s ' % parent_dir))
g.log.info("rmdir of directory %s successful", parent_dir)
def test_rmdir_dir_when_hash_nonhash_vol_down(self):
"""
case -2:
- create dir1 and dir2
- bring down hashed subvol for dir1
- bring down a non-hashed subvol for dir2
- rmdir dir1 should fail with ENOTCONN
- rmdir dir2 should fail with ENOTCONN
"""
# pylint: disable=protected-access
# pylint: disable=too-many-statements
# pylint: disable=unsubscriptable-object
# Create dir1 and dir2
directory_list = []
for number in range(1, 3):
directory_list.append('{}/dir{}'.format(self.mountpoint, number))
ret = mkdir(self.clients[0], directory_list[-1])
self.assertTrue(ret, ('mkdir failed for %s '
% directory_list[-1]))
g.log.info("mkdir of directory %s successful",
directory_list[-1])
# Find a non hashed subvolume(or brick)
nonhashed_subvol, count = find_nonhashed_subvol(self.subvols, "/",
"dir1")
self.assertIsNotNone(nonhashed_subvol,
"Error in finding nonhashed value")
g.log.info("nonhashed_subvol %s", nonhashed_subvol._host)
# Bring nonhashed_subbvol offline
ret = bring_bricks_offline(self.volname, self.subvols[count])
self.assertTrue(ret, ('Error in bringing down subvolume %s'
% self.subvols[count]))
g.log.info('target subvol %s is offline', self.subvols[count])
# 'rmdir' on dir1 should fail with ENOTCONN
ret = rmdir(self.clients[0], directory_list[0])
self.assertFalse(ret, ('Expected rmdir to fail for %s'
% directory_list[0]))
g.log.info("rmdir of directory %s failed as expected",
directory_list[0])
# Bring up the subvol - restart volume
ret = volume_start(self.mnode, self.volname, force=True)
self.assertTrue(ret, "Error in force start the volume")
g.log.info('Volume restart success')
sleep(10)
# Unmounting and Mounting the volume back to Heal
ret, _, err = umount_volume(self.clients[1], self.mountpoint)
self.assertFalse(ret, "Error in creating temp mount %s" % err)
ret, _, err = mount_volume(self.volname,
mtype='glusterfs',
mpoint=self.mountpoint,
mserver=self.servers[0],
mclient=self.clients[1])
self.assertFalse(ret, "Error in creating temp mount")
ret, _, _ = g.run(self.clients[1], ("ls %s/dir1" % self.mountpoint))
self.assertEqual(ret, 0, "Error in lookup for dir1")
g.log.info("lookup successful for dir1")
# This confirms that healing is done on dir1
ret = validate_files_in_dir(self.clients[0],
directory_list[0],
test_type=LAYOUT_IS_COMPLETE,
file_type=FILETYPE_DIRS)
self.assertTrue(ret, "validate_files_in_dir for dir1 failed")
g.log.info("healing successful for dir1")
# Bring down the hashed subvol
# Find a hashed subvolume(or brick)
hashed_subvol, count = find_hashed_subvol(self.subvols, "/", "dir2")
self.assertIsNotNone(hashed_subvol,
"Error in finding nonhashed value")
g.log.info("hashed_subvol %s", hashed_subvol._host)
# Bring hashed_subbvol offline
ret = bring_bricks_offline(self.volname, self.subvols[count])
self.assertTrue(ret, ('Error in bringing down subvolume %s',
self.subvols[count]))
g.log.info('target subvol %s is offline', self.subvols[count])
# 'rmdir' on dir2 should fail with ENOTCONN
ret = rmdir(self.clients[0], directory_list[1])
self.assertFalse(ret, ('Expected rmdir to fail for %s'
% directory_list[1]))
g.log.info("rmdir of dir2 directory %s failed as expected",
directory_list[1])
# Cleanup
# Bring up the subvol - restart the volume
ret = volume_start(self.mnode, self.volname, force=True)
self.assertTrue(ret, "Error in force start the volume")
g.log.info('Volume restart success')
sleep(10)
# Delete dirs
for directory in directory_list:
ret = rmdir(self.clients[0], directory)
self.assertTrue(ret, ('rmdir failed for %s ' % directory))
g.log.info("rmdir of directory %s successful", directory)
def test_rm_file_when_nonhash_vol_down(self):
"""
case -3:
- create parent
- mkdir parent/child
- touch parent/child/file
- bringdown a subvol where file is not present
- rm -rf parent
- Only file should be deleted
- rm -rf of parent should fail with ENOTCONN
"""
# pylint: disable=protected-access
# pylint: disable=too-many-statements
# pylint: disable=unsubscriptable-object
# Find a non hashed subvolume(or brick)
# Create parent dir
parent_dir = self.mountpoint + '/parent'
child_dir = parent_dir + '/child'
ret = mkdir(self.clients[0], parent_dir)
self.assertTrue(ret, ('mkdir failed for %s ' % parent_dir))
g.log.info("mkdir of parent directory %s successful", parent_dir)
# Create child dir
ret = mkdir(self.clients[0], child_dir)
self.assertTrue(ret, ('mkdir failed for %s ' % child_dir))
g.log.info("mkdir of child directory %s successful", child_dir)
# Create a file under child_dir
file_one = child_dir + '/file_one'
ret, _, err = g.run(self.clients[0], ("touch %s" % file_one))
self.assertFalse(ret, ('touch failed for %s err: %s' %
(file_one, err)))
# Find a non hashed subvolume(or brick)
nonhashed_subvol, count = find_nonhashed_subvol(self.subvols,
"parent/child",
"file_one")
self.assertIsNotNone(nonhashed_subvol,
"Error in finding nonhashed value")
g.log.info("nonhashed_subvol %s", nonhashed_subvol._host)
# Bring nonhashed_subbvol offline
ret = bring_bricks_offline(self.volname, self.subvols[count])
self.assertTrue(ret, ('Error in bringing down subvolume %s'
% self.subvols[count]))
g.log.info('target subvol %s is offline', self.subvols[count])
# 'rm -rf' on parent should fail with ENOTCONN
ret = rmdir(self.clients[0], parent_dir)
self.assertFalse(ret, ('Expected rmdir to fail for %s' % parent_dir))
g.log.info("rmdir of parent directory %s failed as expected"
" with err %s", parent_dir, err)
brickobject = create_brickobjectlist(self.subvols, "parent/child")
self.assertIsNotNone(brickobject,
"could not create brickobject list")
# Make sure file_one is deleted
for brickdir in brickobject:
dir_path = "%s/parent/child/file_one" % brickdir.path
brick_path = dir_path.split(":")
self.assertTrue((file_exists(brickdir._host, brick_path[1])) == 0,
('Expected file %s not to exist on servers'
% parent_dir))
g.log.info("file is deleted as expected")
# Cleanup
# Bring up the subvol - restart volume
ret = volume_start(self.mnode, self.volname, force=True)
self.assertTrue(ret, "Error in force start the volume")
g.log.info('Volume restart success.')
sleep(10)
# Delete parent_dir
ret = rmdir(self.clients[0], parent_dir, force=True)
self.assertTrue(ret, ('rmdir failed for %s ' % parent_dir))
g.log.info("rmdir of directory %s successful", parent_dir)
def test_rmdir_parent_pre_nonhash_vol_down(self):
"""
case -4:
- Bring down a non-hashed subvol for parent_dir
- mkdir parent
- rmdir parent should fails with ENOTCONN
"""
# pylint: disable=protected-access
# pylint: disable=too-many-statements
# pylint: disable=unsubscriptable-object
nonhashed_subvol, count = find_nonhashed_subvol(self.subvols,
"/", "parent")
self.assertIsNotNone(nonhashed_subvol,
'Error in finding nonhashed subvol')
g.log.info("nonhashed subvol %s", nonhashed_subvol._host)
# Bring nonhashed_subbvol offline
ret = bring_bricks_offline(self.volname, self.subvols[count])
self.assertTrue(ret, ('Error in bringing down subvolume %s'
% self.subvols[count]))
g.log.info('target subvol %s is offline', self.subvols[count])
parent_dir = self.mountpoint + '/parent'
ret = mkdir(self.clients[0], parent_dir)
self.assertTrue(ret, ('mkdir failed for %s ' % parent_dir))
g.log.info("mkdir of parent directory %s successful", parent_dir)
# 'rmdir' on parent should fail with ENOTCONN
ret = rmdir(self.clients[0], parent_dir)
self.assertFalse(ret, ('Expected rmdir to fail for %s' % parent_dir))
g.log.info("rmdir of parent directory %s failed as expected",
parent_dir)
# Cleanup
# Bring up the subvol - restart volume
ret = volume_start(self.mnode, self.volname, force=True)
self.assertTrue(ret, "Error in force start the volume")
g.log.info('Volume restart success.')
sleep(10)
# Delete parent_dir
ret = rmdir(self.clients[0], parent_dir, force=True)
self.assertTrue(ret, ('rmdir failed for %s ' % parent_dir))
g.log.info("rmdir of directory %s successful", parent_dir)
def tearDown(self):
"""
Unmount Volume and Cleanup Volume
"""
ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to Unmount Volume and Cleanup Volume")
g.log.info("Successful in Unmount Volume and Cleanup Volume")
# Calling GlusterBaseClass tearDown
self.get_super_method(self, 'tearDown')()
|
