The important concept here is Reentrancy [1] and versioned code. If the configuration is small enough it's easier to write a script in bash that approximates t

The important concept here is Reentrancy [1] and versioned code. If the configuration is small enough it's easier to write a script in bash that approximates the re-entrancy well enough instead of having to bootstrap the configuration manager, distribute the description files and execute it. In fact a bash library could go a long way covering the scope of these tools. [1]: https://en.wikipedia.org/wiki/Reentrancy_%28computing%29 https://en.wikipedia.org/wiki/Reentrancy_%28computing%29