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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
CPU_RRD_FILE = "/var/lib/rrd/cpu.rrd"
def main():
if len(sys.argv) != 2:
sys.stderr.write("usage: %s DURATION\n" % os.path.basename(sys.argv[0]))
sys.exit(-1)
period = sys.argv[1]
command = "rrdtool xport --start -%s \
DEF:cpuuser=%s:user:AVERAGE \
DEF:cpusystem=%s:system:AVERAGE \
DEF:cpuidle=%s:idle:AVERAGE \
CDEF:total=cpuuser,cpusystem,cpuidle,+,+ \
CDEF:userpct=100,cpuuser,total,/,* \
CDEF:systempct=100,cpusystem,total,/,* \
CDEF:idlepct=100,cpuidle,total,/,* \
CDEF:totalpct=userpct,systempct,+ \
XPORT:userpct:userpct \
XPORT:systempct:systempct \
XPORT:totalpct:totalpct" % (period, CPU_RRD_FILE, CPU_RRD_FILE, CPU_RRD_FILE)
rv = Utils.runCommand(command, output=True, root=True)
if rv["Status"] != 0:
sys.stderr.write("Failed to get RRD data of CPU\n")
sys.exit(rv["Status"])
print rv["Stdout"]
sys.exit(0)
if __name__ == "__main__":
main()
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