Present and Future Capabilities of Elm

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We built an OpenStack client in Elm:

In theory we could publish the OpenStack API code as a package. At the moment it only covers the parts of the API that we use.

The app also includes a rules-based orchestration engine for composing simple (but error-prone) steps into a complex (yet resilient & self-healing) process. For example:

  • Create a VM
  • Get a network
  • Get a port
  • Assign a floating IP

It’s always been in the back of my mind to turn this into a DSL for fault-tolerant cloud workflows.

P.S. Our orchestration engine implementation was inspired by a paper posted here: Intents and Facts - pondering CQRS in Elm - #3 by MarkHamburg

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