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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 for rename of directory with subvol down
"""
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,
bring_bricks_online)
from glustolibs.gluster.glusterdir import mkdir
from glustolibs.gluster.dht_test_utils import (find_new_hashed,
find_hashed_subvol)
from glustolibs.gluster.volume_libs import get_subvols
@runs_on([['distributed-replicated', 'distributed-dispersed'], ['glusterfs']])
class TestRenameDir(GlusterBaseClass):
def setUp(self):
"""
Setup and mount volume or raise ExecutionError
"""
self.get_super_method(self, 'setUp')()
# Setup Volume
ret = self.setup_volume_and_mount_volume(mounts=self.mounts)
if not ret:
g.log.error("Failed to Setup and Mount Volume")
raise ExecutionError("Failed to Setup and Mount Volume")
# Setting up variables needed by the tests.
self.mountpoint = self.mounts[0].mountpoint
self.srcdir = self.mountpoint + '/srcdir'
def create_src_and_dst_dir(self):
"""
A function to create src and dst directory such that
src and dst directories hashes to different sub volumes.
"""
# pylint: disable=protected-access
# Getting all the subvols.
self.subvols = get_subvols(self.mnode,
self.volname)['volume_subvols']
# Create srcdir
ret = mkdir(self.clients[0], self.srcdir, parents=True)
self.assertTrue(ret, "mkdir srcdir failed")
g.log.info("mkdir of srcdir successful")
# Find hashed subvol
self.srchashed, self.srccount = find_hashed_subvol(self.subvols,
"srcdir",
"srcdir")
self.assertIsNotNone(self.srchashed,
"Could not find hashed subvol for srcdir")
g.log.info("Hashed subvol for srcdir %s", self.srchashed._host)
newhash = find_new_hashed(self.subvols, "srcdir", "srcdir")
self.assertIsNotNone(newhash, "Could not find new hashed for dstdir")
g.log.info("dstdir name : %s dst hashed_subvol : %s",
newhash.newname, newhash.hashedbrickobject._host)
self.dstcount = newhash.subvol_count
# Create dstdir
self.dstdir = self.mountpoint + "/" + str(newhash.newname)
ret = mkdir(self.clients[0], self.dstdir, parents=True)
self.assertTrue(ret, "mkdir distdir failed")
g.log.info("mkdir for dstdir successful")
def test_rename_dir_src_hashed_down(self):
"""
Case 1:
1.mkdir srcdir and dstdir(such that srcdir and dstdir
hashes to different subvols)
2.Bring down srcdir hashed subvol
3.mv srcdir dstdir (should fail)
"""
# Create source and destination dir.
self.create_src_and_dst_dir()
# Bring down srchashed
ret = bring_bricks_offline(self.volname, self.subvols[
self.srccount])
self.assertTrue(ret, 'Error in bringing down subvolume %s' %
self.subvols[self.srccount])
g.log.info('target subvol %s is offline', self.subvols[self.srccount])
# Rename the directory
ret, _, err = g.run(self.clients[0], ("mv %s %s"
% (self.srcdir, self.dstdir)))
self.assertEqual(
ret, 1,
"Expected rename from %s to %s to fail" % (self.srcdir,
self.dstdir)
)
g.log.info("rename from %s to %s to failed as expected err %s",
self.srcdir, self.dstdir, err)
# Bring up the subvol
ret = bring_bricks_online(self.mnode, self.volname,
self.subvols[self.srccount],
bring_bricks_online_methods=[
'volume_start_force'])
self.assertTrue(ret, "Error in bringing back subvol online")
g.log.info('Subvol is back online')
def test_rename_dir_src_dst_hashed_down(self):
"""
Case 2:
1.mkdir srcdir dstdir (different hashes)
2.Bring down srcdir hashed
3.Bring down dstdir hashed
4.mv srcdir dstdir (should fail)
"""
# Create source and destination dir.
self.create_src_and_dst_dir()
# Bring down srchashed
ret = bring_bricks_offline(self.volname,
self.subvols[self.srccount])
self.assertTrue(ret, 'Error in bringing down subvolume %s' %
self.subvols[self.srccount])
g.log.info('target subvol %s is offline', self.subvols[
self.srccount])
# Bring down dsthashed
ret = bring_bricks_offline(self.volname,
self.subvols[self.dstcount])
self.assertTrue(ret, 'Error in bringing down subvolume %s' %
self.subvols[self.dstcount])
g.log.info('target subvol %s is offline', self.subvols[
self.dstcount])
# Rename the directory (should fail)
ret, _, err = g.run(self.clients[0], ("mv %s %s"
% (self.srcdir,
self.dstdir)))
self.assertEqual(
ret, 1,
"Expected rename from %s to %s to fail" % (self.srcdir,
self.dstdir)
)
g.log.info("rename from %s to %s to failed as expected err %s",
self.srcdir, self.dstdir, err)
# Bring up the subvol
both_subvols = (self.subvols[self.srccount] +
self.subvols[self.dstcount])
ret = bring_bricks_online(self.mnode, self.volname, both_subvols,
bring_bricks_online_methods=[
'volume_start_force'])
self.assertTrue(ret, "Error in bringing back subvol online")
g.log.info('Subvol is back online')
def test_rename_dir_dst_hashed_down(self):
"""
case - 3:
1.mkdir srcdir dstdir
2.Bring down dstdir hashed subvol
3.mv srcdir dstdir (should fail)
"""
# Create source and destination dir.
self.create_src_and_dst_dir()
# Bring down srchashed
ret = bring_bricks_offline(self.volname, self.subvols[
self.dstcount])
self.assertTrue(ret, 'Error in bringing down subvolume %s' %
self.subvols[self.dstcount])
g.log.info('target subvol %s is offline', self.subvols[
self.dstcount])
# Rename the directory
ret, _, err = g.run(self.clients[0], ("mv %s %s"
% (self.srcdir,
self.dstdir)))
self.assertEqual(
ret, 1,
"Expected rename from %s to %s to fail" % (self.srcdir,
self.dstdir)
)
g.log.info("rename from %s to %s to failed as expected err %s",
self.srcdir, self.dstdir, err)
# Bring up the subvol
ret = bring_bricks_online(self.mnode, self.volname,
self.subvols[self.dstcount],
bring_bricks_online_methods=[
'volume_start_force'])
self.assertTrue(ret, "Error in bringing back subvol online")
g.log.info('Subvol is back online')
def tearDown(self):
# Delete parent_dir
ret, _, _ = g.run(self.clients[0], ("rm -rf %s/*" % self.mountpoint))
if ret:
raise ExecutionError('rm -rf * failed on mount')
g.log.info("rm -rf * of directory mount successful")
# 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')()
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