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#!/usr/bin/env python
# Inspired by Arne Schwabe <arne-nagios@rfc2549.org> [with BSD license]
# Inspired by backupninja [that's gpl some version]
# minor changes by someon who doesn't understand all the license quirks
from subprocess import Popen,PIPE
import sys
import time
import os
import argparse
import getopt
def main():
# getopt = much more writing
parser = argparse.ArgumentParser(description='Nagios Duplicity status checker')
parser.add_argument("-w", dest="warninc", default=28, type=int,
help="Number of hours allowed for incremential backup warning level, default 28")
parser.add_argument("-W", dest="warnfull", default=31, type=int,
help="Number of days allowed for full backup warning level, default 31")
parser.add_argument("-c", dest="critinc", default=52, type=int,
help="Number of hours allowed for incremential backup critical level, default 52")
parser.add_argument("-C", dest="critfull", default=33, type=int,
help="Number of days allowed for full backup critical level, default 33")
args = parser.parse_args()
okay = 0
# *sigh* check_output is from python 2.7 and onwards. Debian, upgrade yourself.
#output , err = check_output(['/root/freshness.sh'])
if os.path.isfile("/usr/lib/nagios/plugins/backupninja_duplicity_freshness.sh") and os.access("/usr/lib/nagios/plugins/backupninja_duplicity_freshness.sh", os.X_OK):
checkstatus, err = Popen(['/bin/bash', '/usr/lib/nagios/plugins/backupninja_duplicity_freshness.sh'], stdout=PIPE, stderr=PIPE, env={'HOME': '/root', 'PATH': os.environ['PATH']}).communicate()
elif os.path.isfile("/usr/local/lib/nagios/plugins/backupninja_duplicity_freshness.sh") and os.access("/usr/local/lib/nagios/plugins/backupninja_duplicity_freshness.sh", os.X_OK):
checkstatus, err = Popen(['/bin/bash', '/usr/local/lib/nagios/plugins/backupninja_duplicity_freshness.sh'], stdout=PIPE, stderr=PIPE, env={'HOME': '/root', 'PATH': os.environ['PATH']}).communicate()
# Don't use exec(), popen(), etc. to execute external commands without explicity using the full path of the external program. Hijacked search path could be problematic.
#checkstatus, err = Popen(['/bin/bash', './freshness.sh'], stdout=PIPE, stderr=PIPE, env={'HOME': '/root', 'PATH': os.environ['PATH']}).communicate()
#another sigh: Debian testing, upgrade yourself, this is only needed because Debian testing uses duplicity 0.6.18-3
# open file read/write
f = open (checkstatus,"r")
checklines = f.readlines()
f.close()
# remove the line that says Import of duplicity.backends.giobackend Failed: No module named gio
f = open(checkstatus,"w")
for line in checklines:
if not 'Import of duplicity.backends.giobackend Failed: No module named gio' in line:
f.write(line)
f.close()
output = open(checkstatus).read()
lastfull, lastinc = findlastdates(output)
sincelastfull = time.time() - lastfull
sincelastinc = time.time() - lastinc
msg = "OK: "
if sincelastfull > (args.warnfull * 24 * 3600) or sincelastinc > (args.warninc * 3600):
okay = 1
msg = "WARNING: "
if sincelastfull > (args.critfull * 24 * 3600) or sincelastinc > (args.critinc * 3600):
okay = 2
msg = "CRITICAL: "
if not checkoutput(output):
okay = max(okay,1)
msg = "WARNING: duplicity output: %s " % repr(output)
if err:
okay=2
msg = "Unexpected output: %s, " % repr(err)
print msg, "last full %s ago, last incremential %s ago|lastfull=%d, lastinc=%d" % ( formattime(sincelastfull), formattime(sincelastinc), sincelastfull, sincelastinc)
#clean up cruft
os.remove(checkstatus)
sys.exit(okay)
def checkoutput(output):
if not 'No orphaned or incomplete backup sets found.' in output:
return False
return True
def formattime(seconds):
days = seconds / (3600 * 24)
hours = seconds / 3600 % 24
if days:
return "%d days %d hours" % (days,hours)
else:
return "%d hours" % hours
def findlastdates(output):
lastfull = 0
lastinc = 0
for line in output.split("\n"):
parts = line.split()
# ['Incremental', 'Sun', 'Oct', '31', '03:00:04', '2010', '1']
if len (parts) == 7 and parts[0] in ["Full","Incremental"]:
foo = time.strptime(" ".join(parts[1:6]),"%a %b %d %H:%M:%S %Y")
backuptime = time.mktime(foo)
if parts[0] == "Incremental" and lastinc < backuptime:
lastinc = backuptime
elif parts[0] == "Full" and lastfull < backuptime:
lastfull = backuptime
# Count a full backup as incremental backup
lastinc = max(lastfull,lastinc)
return (lastfull, lastinc)
if __name__=='__main__':
main()
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