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Ara: ansible run analysis

This is a short blogpost meant as both an introduction for those who don’t know Ara and a guide on how to install Ara.
Ara means ‘Ansible Runtime Analysis’, and is a tool for storing metadata that Ansible uses during execution. It is very valuable, because it takes a lot of guesswork and entering debug statements in your playbook away.

This is a guide on how to install Ara on Oracle Linux 7. I assume ansible is already installed. If want to start fresh, add EPEL and yum install ansible and git. That’s all you need to begin!

First, become root and install ara using a playbook:

How to install the semaphore UI for running ansible

This blogpost is about how to install the semaphore user-interface for running ansible. Ansible is an automation language for automating IT infrastructures. It consists of command-line executables (ansible, ansible-playbook for example) that can run a single task using a module (using the ansible executable), or can run multiple tasks using multiple modules in order to perform more complex setup requirements (using the ansible-playbook executable). The downside of running IT tasks via the command-line is that there is no logging by default, unless someone decides to save the standard out to a file, which, if multiple people start doing that by hand will probably lead to a huge collection of text files which are hard to navigate. Also, when tasks are run via a common place, it’s an all or nothing situation: everybody has access to all the scripts, or to nothing.