add controller package and agent CLI #215
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This change relates to #214. It adds a new package to this crate called
datafusion-distributed-controllerwhich will contain control-plane-related tooling for running a distributed datafusion clusters. This utility will be used for large-scale integration tests and benchmarking.The proposed architecture is:
This change adds an agent. The controller will be added in a future commit. Usually an agent runs on a port and is interfaced with via RPC, but since this utility is just for testing, this change proposes that the agent can be interfaced with via a CLI.