Aaron Crosman on 25 Aug 2005 18:57:15 -0000 |
I'm trying to create uptime graphs on some wireless access points that we operate. I have mrtg setup to create traffic graphs, and that works fine. >From what I've been able to gather, to graph uptime I need to provide mrtg with an integer that it can then just plot. So wrote a quick python script that called smtpget and strips the returned uptime information down to just the integer (timeticks) I think mrtg needs. However, I can't seem to get mrtg to recognize the input. Mrtg gives the following errors: WARNING: Problem with External get '/home/awstats/smc_itd_uptime.py': Expected a Number for 'out' but nothing' ERROR: Target[192.168.109.100.uptime][_OUT_] ' $target->[0]{$mode} ' did not eval into defined data I found a couple of references to similar errors online, but either I had already tried the proposed solution, or I tried it and it failed. So now I'm looking for another few sets of eyes to put out whatever (most likely) painfully obvious detail I've missed. Any help you all can offer would be greatly appreciated. Aaron ====================== Mrtg config file ====================== LoadMIBs: /usr/share/snmp/mibs/UCD-SNMP-MIB.txt,/usr/share/snmp/mibs/TCP-MIB.txt workdir: /www/stats/mrtg/ Target[192.168.109.100.uptime]: `/home/awstats/smc_itd_uptime.py` Title[192.168.109.100.uptime]: smc-itd Uptime PageTop[192.168.109.100.uptime]: <H1>smc-itd UpTime</H1> MaxBytes[192.168.109.100.uptime]: 1000 YLegend[192.168.109.100.uptime]: UpTime Legend1[192.168.109.100.uptime]: UpTime Options[192.168.109.100.uptime]: growright, noi Unscaled[192.168.109.100.uptime]: ymwd ========================= smc_itd_uptime.py ========================= #!/usr/bin/python import os # run snmpget to retrieve the needed update data from the smc devices uptime = os.popen ("snmpget -v 1 -c CommunityString 192.168.109.100 system.sysUpTime.0 2> /dev/null") text = uptime.readline() if (uptime.close() == None): toks = text.strip().split() print toks[3][1:-1] else: print 0 ___________________________________________________________________________ Philadelphia Linux Users Group -- http://www.phillylinux.org Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug
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