This article was written for version 7.0 of OP5 Monitor, it could work on both lower and higher version if nothing else is stated.
During investigations of issues, application and system logs are often a powerful tool to help determine the root cause of a problem.
In this how-to we will look at using features in op5 Monitor like custom columns, filter queries and Logger to create a work flow that can help you quickly perform your root cause analysis.
The tricks learned in this how-to can be easily modified to solve other problems or create interesting new use cases - see this guide as inspiration.
To add a custom table column, hover over the configuration menu and select "My Account":
Scroll down to "Table Services" and replace the content of the column configuration with:
The configuration above adds an extra column to the services table with encoded links to the following filter query:
What it does
The query filters for all log messages received 30 minutes before and after the service changed state from a host with the matching host address or host name.
The configuration looks something like this in the user interface:
If you open the "Status detail" page of a host, you should now see a column called "Log messages" for each service.
Click the "Related logs" link for the service you want to investigate:
This brings you to a list view that hopefully helps you understand the root cause of the problem: