need help with website check notification when all is OK

[a31modela]

Just got a request from our new CIO, he want an nagios check to check our web page every 4 hours and wants to get an email verifying the site is up. I have been using the check_website_response plugin for a few years and it works fine. to tell me when there is a problem. Cant seem to figure out how to tweak the check to only email when the site is up. Didn't see anything possible with the notification options either. I believe an R option would only tell you its back up after a problem.

Is there an easy way I can check the website every 4 hours and tell the CIO its working?

Thanks,
Steve

[dwhitfield]

Reports are an XI function and sound like what you need.

That said, you'll notice at http://nagios-plugins.org/doc/guidelines.html that an OK state corresponds to a 0. You could set up a script to send an email if the state is 0. You could run that script every four hours in cron.

Please let us know if you have any additional questions.

[a31modela]

thanks for the quick response. not sure where I would verify the current status as 0 from. would I grep the nagios.log?

BTW, I am using nagios core

thanks,
Steve

[rkennedy]

From the CLI, something like this -

Code: Select all

[root@centos7x64 libexec]# ./check_http -H google.com && echo $?
HTTP OK: HTTP/1.1 301 Moved Permanently - 559 bytes in 0.136 second response time |time=0.136486s;;;0.000000 size=559B;;;0
0

Will show an OK state. (echo $? does this)

This will show us a critical state.

Code: Select all

[root@centos7x64 libexec]# ./check_http -H google.aaa
Name or service not known
HTTP CRITICAL - Unable to open TCP socket
[root@centos7x64 libexec]# echo $?
2

If you script can run check_http with your specific parameters, check what $? is equal to, and email accordingly - this should work.

If you want to go the Nagios route, take a look at https://assets.nagios.com/downloads/nag ... 1444063497 which may help with a creative way to get the check going. Negate will allow you to flip the status from CRIT -> OK, or OK -> CRIT. What I picture in your world, would be a check running with negate -o CRITICAL, and then a time period set to only allow the check to run every 4 hours. Here's an example of negate -

Code: Select all

[root@centos7x64 libexec]# ./negate -o CRITICAL ./check_http -H google.com
HTTP OK: HTTP/1.1 301 Moved Permanently - 559 bytes in 0.065 second response time |time=0.065478s;;;0.000000 size=559B;;;0
[root@centos7x64 libexec]# echo $?
2