Wibble's Blog | Musings of an IT professional

Dec/11

1

Opsview – patch for check_route plugin

I was playing around with the check_route plugin and noticed a few issues with it not running. In order to get it to work on my Opsview boxes I had to install a new package, change some settings on the traceroute program and then make a patch in the script itself.

First thing you need to do is download the traceroute package if its not already installed

sudo apt-get install traceroute

Once installed you will find that the plugin will fail and show the following error:

The specified type of tracerouting is allowed for superuser only
Can't use an undefined value as an ARRAY reference at ./check_route line 129.

Googling the first line I found that you have to setuid root for the traceroute binary

chmod u+s /usr/sbin/traceroute

Trying the plugin again you get the following error

Use of uninitialized value $time_units in string eq at ./check_route line 114.
ROUTE UNKNOWN - Cannot cope with line 'traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 60 byte packets'

To get around this you need the plugin to ignore the first line of the output from the traceroute which can be done with the following patch

http://snipt.net/mattywhi/opsview-check_route-diff/

Now the script runs as expected and you get the following output

ROUTE OK - Time taken is 145.895 ms | total_time=145.895ms;5000;100000 hops=14;; route_change=0;;


 

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1 comment

  • Alex · April 8, 2012 at 23:20

    Would you be able to repost the link to the script change to “ignore the first line of the output from the traceroute”?
    Many thanks.

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