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# Copyright (C) 2015-2016 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: Libraries for gluster nfs operations.
"""
import time
from glusto.core import Glusto as g
from glustolibs.gluster.volume_libs import is_volume_exported
def export_volume_through_nfs(mnode, volname, enable_ganesha=False,
time_delay=30):
"""Export the volume through nfs
Args:
mnode (str): Node on which cmd has to be executed.
volname (str): volume name
enable_ganesha (bool): Enable ganesha for the volume.
time_delay (int): Time to wait after the volume set operations
to validate whether the volume is exported or not.
Returns:
bool: If volume is successfully exported through nfs returns True.
False Otherwise.
"""
# Enable ganesha on the volume if enable_ganesha is True
if enable_ganesha:
cmd = ("gluster volume set %s ganesha.enable on --mode=script" %
volname)
ret, _, _ = g.run(mnode, cmd)
if ret != 0:
g.log.error("Failed to enable nfs ganesha for volume %s", volname)
return False
else:
# Enable nfs on the volume
cmd = ("gluster volume set %s nfs.disable off --mode=script" % volname)
ret, _, _ = g.run(mnode, cmd)
if ret != 0:
g.log.error("Failed to enable nfs for the volume %s", volname)
return False
time.sleep(time_delay)
# Verify if volume is exported
ret = is_volume_exported(mnode, volname, "nfs")
if not ret:
g.log.info("Volume %s is not exported as 'nfs' export", volname)
return False
return True
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