Following the Icinga Notifications beta announcement, we already had a more general post on how to get started and one going into the details of schedules. This week's blog post is a follow up in...
Icinga Notifications: Incidents, Escalations, and Event Rules
Following the Icinga Notifications beta announcement, we already had a more general post on how to get started and one going into the details of schedules. This week's blog post is a follow up in...
Making Use of Previous State in Icinga2 Check Commands
When writing a custom check plugin for Icinga 2, there are situations where in addition to observing the current state of a system, taking the past into account as well can be helpful. A common case for this is when the data source provides counter values, i.e. values...
Analyzing configuration problems with Icinga 2
Today, I want to showcase an old, but still very useful, tool when it comes to analyzing and debugging an Icinga 2 configuration: the icinga2 object list command. It can be helpful in a variety of situations, for example when you want to verify that a config change...
Embedding Git Commit Information in Go Binaries
Embedding Git commit information in Go Binaries is essential for identifying exact software versions, especially when working with development builds. So it's good if software is able to tell you its version, for example by calling it with --version. For release...
Releasing Icinga 2.12.8
Today we are releasing Icinga 2.12.8. It addresses an issue with one of the fixes included in the 2.13.3 and 2.12.7 releases that was applied incorrectly in version 2.12.7. In addition, the bundled dependencies on Windows are updated to the latest available versions....
Releasing Icinga 2.13.3 and 2.12.7
Today we are happy to announce the release of Icinga 2.13.3 and 2.12.7. Quite a number of bug fixes accumulated since the last release, including fixes for multiple crashes. Most changes are included in both versions except for the changes related to Icinga DB. These...
Automatically Testing Icinga DB
In today's blog post, I want to present something related to Icinga DB that you most likely will not come in touch with as a regular user: some of the test cases we built for Icinga DB and the tooling created to support them. The Challenge Even though Icinga DB is a...
Installing Additional Modules in the Icinga Web 2 Docker Container
The Docker images we provide for both Icinga 2 and Icinga Web 2 already contain quite a number of modules. For example, the Icinga Web 2 image contains all the Web modules developed by us. But one of the main benefits of Icinga is extensibility, so you might want to...
Our Workflow for Security Releases using GitHub Security Advisories
We recently started using GitHub Security Advisories as part of our workflow for pushing out security releases. This post will give a brief introduction on how they work, how we use them, some of their limitations, and how we overcome them. We are still experimenting...
Releasing Icinga 2.11.9 + 2.12.4: Crash Fixes and Reliability Improvements
Versions 2.11.9 and 2.12.4 are maintenance releases that fix some crashes, improve error handling and add compatibility for systems coming with newer Boost versions. Bugfixes Fix a crash when notification objects are deleted using the API #8782 (2.11.9: #8780) Fix...
Debugging Filters and Apply Rules using the Script Debugger
Have you ever been in a situation where something in your Icinga configuration did not work as expected and you ended up doing small changes and reloading Icinga over and over again? This can be especially tricky with apply rules and filters if they don't match the...
Icinga 2 Config Sync: DIY Edition
Two weeks ago, Icinga 2 Config Sync: Behind the Scenes explained how the config sync in Icinga 2 works and how you can look behind the scenes. Today, we will put our knowledge from that post to the test and try to manually replicate the config sync. The most important...
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