Sensu: Procdump check hook

Problem There is a runtime error that is causing Internet Information Services (IIS) to crash, but it isn’t providing any meaningful output in the logs. To help troubleshoot the issue further, we needed to do a procdump, but it needs to be done when the runtime error happens. Solution Fortunately, we already have sensu monitoring in place and can leverage check hooks. This allows us to make a…

Sensu Check Hook Example

Problem Sensu checks are doing great and firing when stuff goes wrong (Or sometimes just all the time). It’s helpful to do some of the most basic troubleshooting and include that information in the alert. This post does assume the sensu client is running a flavor of linux. Solution But we’re engineers, why would we do it ourselves?!?! Let a machine do it, or at least sensu in this case. You…