Extending the loader system
As we said before, the loader system was originally designed for one type of module: what we now call execution modules. Before long, other types of module were added, and that number continues to grow even today.
This book does not include every type of module, but it does cover quite a few. The following list is not comprehensive, but it will tell you much of what is available now, and possibly give you an idea of what other types of module to look at after you finish this book:
- Execution modules do much of the heavy lifting inside of Salt. When a program needs to be called, an execution module will be written for it. When other modules need to use that program, they will call out to that module.
- Grain modules are
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