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#!/usr/bin/python
# sadf.py -- nagios plugin uses sadf output for perf data
# Copyright (C) 2014 Red Hat Inc
#
# 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 (at your option) 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
#
import re
import sys
import commands
from optparse import OptionParser
def getUsageAndFree(command, lvm):
status = commands.getstatusoutput(command)[1].split()
path = status[-1]
usagePer = status[-2]
availSpace = status[-3]
usedSpace = status[-4]
device = status[-6].split("-")[-1]
dmatch = re.compile('[0-9]+').match(usagePer)
if (dmatch):
usage = eval(dmatch.group(0))
return (float(usage), float(100 - usage), usedSpace,
availSpace, device, path)
else:
return None, None, None, None, None, None
def getDisk(path, readable=False, lvm=False):
if readable:
return getUsageAndFree("df -m %s" % path, lvm)
else:
return getUsageAndFree("df -kh %s" % path, lvm)
def getInode(path, readable=False, lvm=False):
return getUsageAndFree("df -i %s" % path, lvm)
def appendStatus(lst, level, typ, device, mpath, usage):
if 2 == level:
level = "crit"
elif 1 == level:
level = "warn"
else:
level = "ok"
lst.append("%s:%s:%s;%s;%s" % (level, device, mpath, usage))
def getMounts(searchQuery=None, excludeList=[]):
mountPaths = []
f = open("/etc/mtab")
for i in f.readlines():
if searchQuery and i.startswith(searchQuery):
if not excludeList:
mountPaths.append(i.split()[0])
else:
device = i.split()
if not device[0] in options.exclude and\
not device[1] in options.exclude:
mountPaths.append(device[0])
f.close()
return mountPaths
def parse_input():
parser = OptionParser()
parser.add_option('-w', '--warning', action='store', type='int',
dest='warn', help='Warning count in %', default=80)
parser.add_option('-c', '--critical', action='store', type='int',
dest='crit', help='Critical count in %', default=90)
parser.add_option('-u', '--usage', action="store_true", dest='usage',
help='Output disk and inode usage', default=False)
parser.add_option('-l', '--lvm', action="store_true",
dest='lvm', help='List lvm mounts', default=False)
parser.add_option('-a', '--all', action="store_true",
dest='all', help='List all mounts', default=False)
parser.add_option('-n', '--ignore', action="store_true",
dest='ignore', help='Ignore errors', default=False)
parser.add_option('-i', '--include', action='append', type='string',
dest='mountPath', help='Mount path', default=[])
parser.add_option('-x', '--exclude', action="append", type='string',
dest='exclude', help='Exclude disk')
return parser.parse_args()
if __name__ == '__main__':
disk = []
warnList = []
critList = []
diskList = []
mounts = []
level = -1
(options, args) = parse_input()
if len(args) > 2:
if args[0].isdigit() and args[1].isdigit():
warn = int(args[0])
crit = int(args[1])
options.mountPath = args[2:]
else:
warn = 80
crit = 90
options.mountPath = args
else:
crit = options.crit
warn = options.warn
if options.lvm:
searchQuery = "/dev/mapper"
elif options.all:
searchQuery = None
else:
searchQuery = "/"
if not options.mountPath or options.lvm or options.all:
options.mountPath += getMounts(searchQuery, options.exclude)
#if not options.mountPath:
# parser.print_help()
# sys.exit(1)
for path in options.mountPath:
diskUsage, diskFree, used, avail, dev, mpath = getDisk(path,
options.usage,
options.lvm)
inodeUsage, inodeFree, iused, iavail, idev, ipath = getInode(
path,
options.usage,
options.lvm)
if mpath in mounts:
continue
if not used or not iused:
if options.ignore:
continue
else:
sys.exit(3)
mounts.append(mpath)
if options.usage:
total = (float(used) + float(avail)) / 1000
itot = (float(iused) + float(iavail)) / 1000
disk.append("%s=%.1f;%.1f;%.1f;0;%.1f %s=%.1f;%.1f;%.1f;0;%.1f" % (
mpath, float(used)/1000, warn*total/100, crit*total/100, total,
ipath, float(iused)/1000, warn*itot/100, crit*itot/100, itot))
else:
disk.append("%s=%.2f;%s;%s;0;100 %s=%.2f;%s;%s;0;100" % (
mpath, diskUsage, warn, crit, ipath, inodeUsage, warn, crit))
if diskUsage >= crit or inodeUsage >= crit:
if diskUsage >= crit:
critList.append("crit:disk:%s;%s;%s" % (dev, mpath, diskUsage))
else:
critList.append("crit:inode:%s;%s;%s" % (idev, ipath,
inodeUsage))
if not level > 1:
level = 2
elif (diskUsage >= warn and diskUsage < crit) or (
inodeUsage >= warn and inodeUsage < crit):
if diskUsage >= warn:
warnList.append("warn:disk:%s;%s;%s" % (dev, mpath, diskUsage))
else:
warnList.append("warn:inode:%s;%s;%s" % (idev, ipath,
inodeUsage))
if not level > 0:
level = 1
else:
diskList.append("%s:%s" % (dev, mpath))
msg = " ".join(critList + warnList)
if not msg:
msg += " disks:mounts:(" + ",".join(diskList) + ")"
if 2 == level:
print "CRITICAL : %s | %s" % (msg, " ".join(disk))
sys.exit(2)
elif 1 == level:
print "WARNING : %s | %s" % (msg, " ".join(disk))
sys.exit(1)
else:
print "OK : %s | %s" % (msg, " ".join(disk))
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