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#!/usr/bin/env python
# This file is part of DiSTAF
# 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.
from distaf.util import tc
def setup_samba_service(volname, mnode, username, smbpasswd):
"""This module Sets up the servers for samba mount
Takes care of editing the glusterd-volfile and
starting the samba services
Args:
volname(str): Volume name
mnode(str): where the samba setup will be done
username: samba username
smbpasswd: samba password
Returns:
bool:
True: On Success
False: On Failure
Example:
setup_samba_service("testvol", "tc.servers[0]", "Bond", "redhat")
"""
try:
if tc.global_flag['SAMBA_SETUP_DONE'] == True:
tc.logger.error("samba is already setup for the cluster")
return True
except KeyError:
pass
glusterd_volfile = "/etc/glusterfs/glusterd.vol"
glstrd_edit_cmd = ("grep -F 'option rpc-auth-allow-insecure on' %s > "
"/dev/null || (cp %s %s.orig && "
"sed -i '/^end-volume/d' %s && "
"echo ' option rpc-auth-allow-insecure on' >> %s && "
"echo 'end-volume' >> %s && "
"service glusterd restart)"
% (glusterd_volfile, glusterd_volfile,
glusterd_volfile, glusterd_volfile,
glusterd_volfile, glusterd_volfile))
ret, _ = tc.run_servers(glstrd_edit_cmd)
if not ret:
tc.logger.error("Unable to edit glusterd in all servers")
return False
ret, _, _ = tc.run(mnode, "chkconfig smb on")
if ret != 0:
tc.logger.error("Unable to set chkconfig smb on")
return False
tc.logger.info("chkconfig smb on successfull")
ret, _, _ = tc.run(mnode, "service smb start")
if ret != 0:
tc.logger.error("Unable to start the smb service")
return False
smbpasswd_cmd = ("(echo \"%s\"; echo \"%s\") | smbpasswd -a %s" %
(smbpasswd, smbpasswd, username))
ret, _, _ = tc.run(mnode, smbpasswd_cmd)
if ret != 0:
tc.logger.error("Unable to set the smb password")
return False
time.sleep(20)
ret, out, err = tc.run(mnode, "gluster volume set %s "
"server.allow-insecure on" % volname)
if ret != 0:
tc.logger.error("Failed to set the volume option "
"server-allow-insecure")
return False
ret, out, err = tc.run(mnode, "gluster volume set %s stat-prefetch off"
% volname)
if ret != 0:
tc.logger.error("Failed to set the volume option stat-prefetch off")
return False
set_volume_cmd = ("gluster volume set %s storage.batch-fsync-delay-usec 0"
% volname)
ret, out, err = tc.run(mnode, set_volume_cmd)
if ret != 0:
tc.logger.error("Failed to set the volume option storage"
"batch-fsync-delay-usec 0")
return False
smb_cmd = "smbclient -L localhost -U " + username + "%" + smbpasswd
ret, out, err = tc.run(mnode, smb_cmd + "| grep -i -Fw gluster-%s "
% volname)
if ret != 0:
tc.logger.error("unable to find share entry")
return False
tc.logger.info("Share entry present")
tc.global_flag['SAMBA_SETUP_DONE'] = True
return True
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