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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
from distaf.gluster_libs.volume_ops import start_volume, stop_volume
def snap_create(volname, snapname, server='', desc=''):
"""
Runs snap create command and returns the output
"""
if server == '':
server = tc.nodes[0]
if desc != '':
desc = "description %s" % desc
ret = tc.run(server, "gluster snapshot create %s %s %s" \
% (volname, snapname, desc))
return ret
def snap_activate(snapname, server=''):
"""
Activate the snap and returns the output
"""
if server == '':
server = tc.nodes[0]
return tc.run(server, "gluster snapshot activate %s" % snapname)
def snap_delete(snapname, server=''):
"""
Deletes snapshot and returns the output
"""
if server == '':
server = tc.nodes[0]
cmd = "gluster snapshot delete %s --mode=script" % snapname
return tc.run(server, cmd)
def snap_delete_all(volname, server=''):
"""
Deletes one or more snaps and returns the output
"""
if server == '':
server = tc.nodes[0]
cmd = 'ret=0; for i in `gluster snapshot list %s`; do \
gluster snapshot delete $i --mode=script || ret=1; done ; exit $ret' % volname
return tc.run(server, cmd)
def snap_restore(volname, snapname, server=''):
"""
stops the volume restore the snapshot and starts the volume
Returns True upon success, False on in any step
"""
if server == '':
server = tc.nodes[0]
ret = stop_volume(volname, server)
if not ret:
return False
ret = tc.run(server, "gluster snapshot restore %s" % snapname)
if ret[0] != 0:
tc.logger.error("snapshot restore failed")
return False
ret = start_volume(volname, server)
if not ret:
return False
return True
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