1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#!/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
MEMORY_RRD_FILE = "/var/lib/rrd/mem.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:free=%s:memfree:AVERAGE \
DEF:used=%s:memused:AVERAGE \
DEF:cache=%s:memcache:AVERAGE \
DEF:buffer=%s:membuffer:AVERAGE \
CDEF:total1=used,free,+ \
CDEF:used1=used,buffer,cache,-,- \
CDEF:total=total1,used1,+ \
XPORT:used:memoryUsed \
XPORT:free:memoryFree \
XPORT:cache:memoryCache \
XPORT:buffer:memoryBuffer \
XPORT:total:totalMemory" % (period, MEMORY_RRD_FILE, MEMORY_RRD_FILE, MEMORY_RRD_FILE, MEMORY_RRD_FILE)
rv = Utils.runCommand(command, output=True, root=True)
if rv["Status"] != 0:
sys.stderr.write("Failed to get RRD data of memory usage\n")
sys.exit(rv["Status"])
print rv["Stdout"]
sys.exit(0)
if __name__ == "__main__":
main()
|
