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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.
from glusto.core import Glusto as g
from glustolibs.io.utils import list_all_files_and_dirs_mounts
from glustolibs.gluster.gluster_base_class import (GlusterBaseClass,
runs_on)
from glustolibs.gluster.quota_ops import (quota_enable,
quota_set_soft_timeout,
quota_set_hard_timeout,
quota_limit_usage)
from glustolibs.gluster.quota_libs import quota_validate
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.gluster.glusterfile import file_exists
from glustolibs.gluster.glusterdir import mkdir
@runs_on([['distributed-replicated', 'replicated', 'distributed'],
['glusterfs', 'nfs']])
class QuotaFileLargerThanLimit(GlusterBaseClass):
@classmethod
def setUpClass(cls):
"""
Setup volume, mount volume and initialize necessary variables
which is used in tests
"""
# calling GlusterBaseClass setUpClass
GlusterBaseClass.setUpClass.im_func(cls)
# Setup Volume and Mount Volume
g.log.info("Starting to Setup and Mount Volume %s",
cls.volname)
ret = cls.setup_volume_and_mount_volume(mounts=cls.mounts)
if not ret:
raise ExecutionError("Failed to Setup_Volume and Mount_Volume %s"
% cls.volname)
g.log.info("Successful in Setup and Mount Volume %s", cls.volname)
@classmethod
def tearDownClass(cls):
"""
Clean up the volume and umount volume from client
"""
# stopping the volume
g.log.info("Starting to Unmount Volume and Cleanup Volume")
ret = cls.unmount_volume_and_cleanup_volume(mounts=cls.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 tearDownClass
GlusterBaseClass.tearDownClass.im_func(cls)
def test_quota_file_larger_than_limit(self):
# pylint: disable=too-many-statements
"""
Verifying directory Quota functionality with respect to the
limit-usage option.
If a limit is set and a file of size larger than limit is created
then the file creation will stop when it will reach the limit.
Quota list will show limit-set and size as same.
* Enable Quota
* Create a directory from mount point
* Set a limit of 10 MB on the directory
* Set Quota soft-timeout and hard-timeout to 0 seconds
* Create a file of size larger than the Quota limit
eg. 20 MB file
* Perform Quota list operation to check if all the fields are
appropriate such as hard_limit, available_space, sl_exceeded,
hl_execeeded, etc.
"""
# Enable Quota
g.log.info("Enabling Quota on the volume %s", self.volname)
ret, _, _ = quota_enable(self.mnode, self.volname)
self.assertEqual(ret, 0, ("Failed to enable Quota on the volume %s",
self.volname))
g.log.info("Successfully enabled Quota on the volume %s", self.volname)
# Path to set the Quota limit
path = '/foo'
# Create a directory 'foo' from the mount point
mount_obj = self.mounts[0]
mount_dir = mount_obj.mountpoint
client = mount_obj.client_system
g.log.info("Creating dir named 'foo' from client %s", client)
ret = mkdir(client, "%s/foo" % mount_dir)
self.assertTrue(ret, "Failed to create dir under %s-%s"
% (client, mount_dir))
g.log.info("Directory 'foo' created successfully")
# Set Quota limit of 10 MB on the directory 'foo' of the volume
g.log.info("Set Quota Limit on the path %s of the volume %s",
path, self.volname)
ret, _, _ = quota_limit_usage(self.mnode, self.volname,
path=path, limit="10MB")
self.assertEqual(ret, 0, ("Failed to set Quota limit on path %s of "
"the volume %s", path, self.volname))
g.log.info("Successfully set the Quota limit on %s of the volume %s",
path, self.volname)
# Set Quota soft-timeout to 0 seconds
g.log.info("Set Quota soft timeout:")
ret, _, _ = quota_set_soft_timeout(self.mnode, self.volname, '0sec')
self.assertEqual(ret, 0, ("Failed to set soft timeout"))
g.log.info("Quota soft timeout set successful")
# Set Quota hard-timeout to 0 second
g.log.info("Set Quota hard timeout:")
ret, _, _ = quota_set_hard_timeout(self.mnode, self.volname, '0sec')
self.assertEqual(ret, 0, ("Failed to set hard timeout"))
g.log.info("Quota hard timeout set successful")
# Validate if the Quota limit set is appropriate
g.log.info("Validate if the Quota limit set is correct for the "
"directory %s of the volume %s", path, self.volname)
ret = quota_validate(self.mnode, self.volname, path=path,
hard_limit=10485760)
self.assertTrue(ret, ("Quota Limit of 10 MB was not set properly on "
"the directory %s of the volume %s",
path, self.volname))
g.log.info("Successfully Validated Quota Limit of 10 MB is set on the"
" directory %s of the volume %s", path, self.volname)
# Create a single file of size 20 MB
g.log.info("Creating Files on %s:%s", client, mount_dir)
cmd = ("cd %s/foo ; "
"dd if=/dev/zero of=20MBfile "
"bs=1M "
"count=20"
% mount_dir)
ret, _, _ = g.run(client, cmd)
self.assertEqual(ret, 1, "Unexpected: File creation succeeded even "
"after exceeding the hard-limit")
g.log.info("Expected: File creation failed after exceeding "
"hard-limit")
# List all files and dirs created
g.log.info("List all files and directories:")
ret = list_all_files_and_dirs_mounts(self.mounts)
self.assertTrue(ret, "Failed to list all files and dirs")
g.log.info("Listing all files and directories is successful")
# Check if the file created above exists
g.log.info("Checking if the file created exists in the volume %s",
self.volname)
ret = file_exists(client, "%s/foo/20MBfile" % mount_dir)
self.assertTrue(ret, ("File does not exist in the volume %s",
self.volname))
g.log.info("Successfully validated the presence of file in the "
"volume %s", self.volname)
# Validate if the Quota limit set is appropriate
g.log.info("Validate if the Quota list fields are appropriate for the "
"directory %s of the volume %s", path, self.volname)
ret = quota_validate(self.mnode, self.volname, path=path,
hard_limit=10485760, avail_space=0,
sl_exceeded=True, hl_exceeded=True)
self.assertTrue(ret, ("Failed to validate the Quota limits on "
"the volume %s", self.volname))
g.log.info("Successfully Validated Quota Limit of 100 MB is set on the"
" directory %s of the volume %s", path, self.volname)
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