Thursday, 9 January 2014

Web based status Page

Just finished creating a set of shell scripts to create dynamic web based status pages for Support Zone application.
The requirement is to have a full map of what web applications are deployed and which services are being active.
The page updates every 10 mins by a shell script that runs on crontab; the script regenerates the html pages dynamically by checking the services based on a set of config files that holds what needs to be checked.

below how it looks like:

The tables above are iframes that show the html generated by the shell scripts.
if the port number is shown in red, it means the service is not running on this port, could be that a service is down or the config needs to be updated.
Also there is email alerting functionality available in case something seems to be wrong.

The checks are being done by curl pinging web interfaces of those services, if the response didn't come in a defined amount of time (20 sec) the port will show as red.

Those scripts can be used dynamically for checking any web / internet  based service that listens on a socket  . . .
Currently vfabric Hyperic monitoring tool doesn't offer a similar summary page, so those custom scripts were created to fill in this gap.
Other tools can offer similar or superior interfaces like HP BAC /Sitescope or CA Intrascope.
Those tools offer performance information and deeper insite on business transactions and internal JVM operation.



Automation is good  :)

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