Extending SaltStack

Chapter 4. Wrapping States Around Execution Modules

Now that we've covered execution modules and configuration modules, it's time to talk about configuration management. The idea behind a state module is to use execution modules as a mechanism for bringing a resource to a certain state: a package is in an installed state, a service is in a running state, a file's contents match the state defined on the Master. In this chapter, we'll discuss:

• The concepts behind a basic state module layout
• Deciding how far to take each state
• Troubleshooting state modules

Forming a state module

State modules are more structured than most other kinds of modules, but as you'll soon see, that actually makes them easier to write.

Determining state

There is a set of operations ...