[GitHub] sijie opened a new pull request #2160: Add numFunctionWorkers and externalServices to cluster spec

[GitBox <gi...@apache.org>]

sijie opened a new pull request #2160: Add numFunctionWorkers and externalServices to cluster spec
URL: https://github.com/apache/incubator-pulsar/pull/2160
 
 
   *Motivation*
   
   This change is a refactor for adding connectors related integration tests.
   
   ClusterSpec is used for defining how a cluster looks like for integration
   testing. Add `numFunctionWorker` and `externalServices` in cluster spec,
   so we have a common place for setting up a cluster.
   
   *Changes*
   
   - `numFunctionWorkers`: define how many function workers to run in the cluster. When a cluster is created from the cluster spec, it will start
   the same number of worker containers.
   
   - `functionRuntimeType`: define how the worker will invoke functions,
   whether it is in process mode or thread mode.
   
   - `externalServices`: define whether there are more external services to
   run along with the cluster. for example, we need cassandra or kafka for
   testing connectors, and we need s3 mock for testing offloaders.
   
   

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