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#!/usr/bin/python
# Copyright (C) 2011 Gluster, Inc. <http://www.gluster.com>
# This file is part of Gluster Management Gateway (GlusterMG).
#
# GlusterMG 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 3 of the License,
# or (at your option) any later version.
#
# GlusterMG 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, see
# <http://www.gnu.org/licenses/>.
#
import os
import sys
p1 = os.path.abspath(os.path.dirname(sys.argv[0]))
p2 = "%s/common" % os.path.dirname(p1)
if not p1 in sys.path:
sys.path.append(p1)
if not p2 in sys.path:
sys.path.append(p2)
import Utils
def main():
if len(sys.argv) != 3:
sys.stderr.write("usage: %s VOLUME_NAME BRICK_NAME\n" % os.path.basename(sys.argv[0]))
sys.exit(-1)
volumeName = sys.argv[1]
brickName = sys.argv[2]
pidFile = "/etc/glusterd/vols/%s/run/%s.pid" % (volumeName, brickName.replace(":", "").replace("/", "-"))
if not os.path.exists(pidFile):
print "OFFLINE"
sys.exit(0)
lines = Utils.readFile(pidFile)
if not lines:
print "UNKNOWN"
sys.exit(0)
try:
pidString = lines[0]
os.getpgid(int(pidString))
print "ONLINE"
except ValueError, e:
Utils.log("invalid pid %s in file %s: %s" % (pidString, pidFile, str(e)))
print "UNKNOWN"
except OSError, e:
#Utils.log("failed to get process detail of pid %s: %s" % (pidString, str(e)))
print "OFFLINE"
sys.exit(0)
if __name__ == "__main__":
main()
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