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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 Description:
Test quota on an EC volume
"""
from glusto.core import Glusto as g
from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on
from glustolibs.gluster.exceptions import ExecutionError
from glustolibs.gluster.quota_ops import (quota_enable,
quota_disable,
quota_set_soft_timeout,
quota_set_hard_timeout,
quota_limit_usage)
from glustolibs.gluster.glusterdir import mkdir
@runs_on([['dispersed', 'distributed-dispersed'],
['glusterfs']])
class TestEcQuota(GlusterBaseClass):
def setUp(self):
# Calling GlusterBaseClass setUp
self.get_super_method(self, 'setUp')()
# Setup Volume and Mount Volume
ret = self.setup_volume_and_mount_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to Setup_Volume and Mount_Volume")
g.log.info("Successful in Setup Volume and Mount Volume")
def tearDown(self):
"""
Cleanup and umount volume
"""
# Disable Quota
ret, _, _ = quota_disable(self.mnode, self.volname)
if ret:
raise ExecutionError("Failed to disable quota on the volume %s")
g.log.info("Successfully disabled quota on the volume %")
# Cleanup and umount volume
ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts)
if not ret:
raise ExecutionError("Failed to umount the vol & cleanup Volume")
g.log.info("Successful in umounting the volume and Cleanup")
# Calling GlusterBaseClass teardown
self.get_super_method(self, 'tearDown')()
def set_quota_limit(self, limit):
"""
Set Quota limit on the volume
"""
# Path to set quota limit
path = "/"
# Set Quota limit
ret, _, _ = quota_limit_usage(self.mnode, self.volname,
path, limit=limit)
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)
def read_write_files(self, files, mount_dir, client):
"""
Read and write files on the volume
"""
# Write files
for i in range(1, 5):
writecmd = ("cd %s/dir%s; for i in `seq 1 %s` ;"
"do dd if=/dev/urandom of=file$i bs=1M "
"count=5;done" % (mount_dir, i, files))
ret, _, _ = g.run(client, writecmd)
self.assertEqual(ret, 0, "Unexpected: File creation failed ")
g.log.info("Expected: File creation succeeded")
# Reading files
for i in range(1, 5):
readcmd = ("cd %s/dir%s; for i in `seq 1 %s` ;"
"do dd if=file$i of=/dev/null bs=1M "
"count=5;done" % (mount_dir, i, files))
ret, _, _ = g.run(client, readcmd)
self.assertEqual(ret, 0, "Unexpected: Reading of file failed ")
g.log.info("Expected: Able to read file successfully")
def test_ec_quota(self):
"""
- Enable quota on the volume
- Set a limit of 4 GB on the root of the volume
- Set Quota soft-timeout to 0 seconds
- Set Quota hard-timeout to 0 second
- Create 10 directories from the mount point
- Create files of around 2.5 GB
- Reading files
- Decrease quota limit to 3 GB on the root of the volume
- Writing files of around 500 MB
- Reading files
"""
# pylint: disable=too-many-branches,too-many-statements,too-many-locals
# Enable quota on the volume
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)
# Set a limit of 4 GB on the root of the volume
self.set_quota_limit(limit="4GB")
# Set Quota soft-timeout to 0 seconds
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
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")
# Create 10 directories from the mount point
mount_obj = self.mounts[0]
mount_dir = mount_obj.mountpoint
client = mount_obj.client_system
for i in range(1, 11):
ret = mkdir(client, "%s/dir%s" % (mount_dir, i))
self.assertTrue(ret, ("Failed to create dir under %s-%s",
client, mount_dir))
g.log.info("Directory 'dir%s' created successfully", i)
g.log.info("Successfully created directories on %s:%s",
client, mount_dir)
# Create files of around 2.5 GB and reading
self.read_write_files(files=100, mount_dir=mount_dir,
client=client)
# Decrease quota limit to 3 GB on the root of the volume
self.set_quota_limit(limit="3GB")
# Writing files of around 500 MB and reading
self.read_write_files(files=10, mount_dir=mount_dir,
client=client)
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