Add mix bonny.test to e2e test an operator

[coryodaniel]

Create a generator or mix task to deploy and verify the functionality of a CRD on a local cluster.

Thinking something along the lines of
mix bonny.test --user=[USER] --cluster=[CLUSTER] --namespace=[NAMESPACE] --keep-namespace

Steps

• create namespace || bonny-${RAND}
• mix bonny.gen.manifest -n [NAMESPACE] -o - | kubectl apply -f -
• iex -S mix
• mix bonny.gen.resource -o - | kubectl apply -f -
• check /metrics for successful add/1
• mix bonny.gen.resource --name=name-from-first-resource -o - | kubectl apply -f -
• check /metrics for successful modify/1
• kubectl delete crd-type/name-from-first-resource
• check /metrics for successful delete/1
• optionally destroy namespace

Dependencies

• depends on OAI so we can generate a resource Generator for making a custom resource's YAML #10
• depends on metrics Add a prometheus endpoint #4 dispatch handling and the Events API #5

Need to consider how to handle multiple CRDs.