Juju state machine documentation and visualization

[sssler-scania (Erik Lönroth)]

[Tutorial] Relations with Juju

Difficulty: Intermediate Author homepage: Erik Lönroth What you will learn This tutorial will teach you implementing a simple relation in juju. We will use two existing charms that implements a master-worker pattern and study that code for reference. Get the code here: git clone https://github.com/erik78se/masterworker You will: Learn what a relation is and how to use it in your charms. Learn more about hooks and how hook-tools drives relation data exchanges. Learn about relation-hooks an…