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lang: Initial implementation of the mgmt language

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This is an initial implementation of the mgmt language. It is a
declarative (immutable) functional, reactive, domain specific
programming language. It is intended to be a language that is:

* safe
* powerful
* easy to reason about

With these properties, we hope this language, and the mgmt engine will
allow you to model the real-time systems that you'd like to automate.

This also includes a number of other associated changes. Sorry for the
large size of this patch.
This commit is contained in:
James Shubin
2018-01-20 08:09:29 -05:00
parent 1c8c0b2915
commit b19583e7d3
237 changed files with 25256 additions and 743 deletions
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docs/quick-start-guide.md
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@@ -4,7 +4,7 @@
This guide is intended for developers. Once `mgmt` is minimally viable, we'll
publish a quick start guide for users too. If you're brand new to `mgmt`, it's
probably a good idea to start by reading the
[introductory article](https://ttboj.wordpress.com/2016/01/18/next-generation-configuration-mgmt/)
[introductory article](https://purpleidea.com/blog/2016/01/18/next-generation-configuration-mgmt/)
or to watch an [introductory video](https://www.youtube.com/watch?v=LkEtBVLfygE&html5=1).
Once you're familiar with the general idea, please start hacking...
@@ -38,14 +38,12 @@ cd $GOPATH/src/github.com/purpleidea/mgmt
* Run `make build` to get a freshly built `mgmt` binary.
### Running mgmt
* Run `time ./mgmt run --yaml examples/graph0.yaml --converged-timeout=5 --tmp-prefix` to try out a very simple example!
* To run continuously in the default mode of operation, omit the `--converged-timeout` option.
* Run `time ./mgmt run --lang examples/lang/hello0.mcl --tmp-prefix` to try out a very simple example!
* Look in that example file that you ran to see if you can figure out what it did!
* The yaml frontend is provided as a developer tool to test the engine until the language is ready.
* Have fun hacking on our future technology and get involved to shape the project!
## Examples
Please look in the [examples/](../examples/) folder for some more examples!
Please look in the [examples/lang/](../examples/lang/) folder for some more examples!
## Vagrant
If you would like to avoid doing the above steps manually, we have prepared a