This is the third main feature of this system. The code needs a bunch of
polish, but it actually all works :)
I've tested this briefly with N <= 3.
Currently you have to build your own etcd cluster. It's quite easy, just
run `etcd` and it will be ready. I usually run it in a throw away /tmp/
dir so that I can blow away the stored data easily.
This requires graphviz to be installed on your machine. If you run the
command with sudo, it will create the files with the original user
ownership to make it easier to remove them without root.
This is still a dirty prototype, so please excuse the mess. Please
excuse the fact that this is a mega patch. Once things settle down this
won't happen any more.
Some of the changes squashed into here include:
* Merge vertex loop with type loop
(The file watcher seems to cache events anyways)
* Improve pgraph library
* Add indegree, outdegree, and topological sort with tests
* Add reverse function for vertex list
* Tons of additional cleanup!
Amazingly, on my first successful compile, this seemed to run!
A special thanks to Ira Cooper who helped me talk through some of the
algorithmic decisions and for his help in finding better ones!
If a file was supposed to exist in a directory, and it didn't exist yet,
when it gets created, we should notice, and cause an event so that we
wake up and actually see about then creating that file!
This is a prototype that i'm attempting to "release early". Expect a lot
of changes! It is intended to be a config management tool that will:
* be event based
* execute actions in parallel
* function as a distributed system
There are a bunch more design ideas going into this, please stay tuned!
