Open Stack

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Hey there,

One of the items discussed at the PTG[0] was the creation of some monitoring scripts in a framework that could monitor various OpenStack services, support services (RabbitMQ/Galera/etc), and some system basics. There's a spec proposed[1] that discusses the work in detail.

I've created a PoC repository[2] to demonstrate what the framework might look like.  It uses the 'click' Python module to automatically bring in new plugins and implement them into the framework.  This has some nice benefits:

  1) Minimal code to write to add a new check
  2) Minimal tests to write to add a new check
  3) All of the output formatting is handled/tested in the framework
  4) Argument/option handling is done in the framework

Kevin already dropped by and made a PR to improve some of the dynamic importing that makes the code easier to read.  I'd really love to get some feedback on it and see if it's useful for others.

[0] https://etherpad.openstack.org/p/osa-ptg-pike-monitoring
[1] https://review.openstack.org/#/c/436498/
[2] https://github.com/major/monitorstack

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Major Hayden
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