[GitHub] chetanmeh opened a new pull request #4312: Record clusterId performing change in CosmosDB

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chetanmeh opened a new pull request #4312: Record clusterId performing change in CosmosDB
URL: https://github.com/apache/incubator-openwhisk/pull/4312
 
 
   Enables storing the clusterId information as part of document json in db.
   
   ## Description
   
   For Multi Region deployments (#4277) we need to differentiate which cluster made change to a document while emitting the cache invalidation event. This PR enables storing a `_clusterId` attribute which can be configured to uniquely identify current cluster. 
   
   Later this attribute can be used by the cache invalidation service to filter out changes which are done by same cluster and only convert those changes from other cluster to local cache invalidation kafka topic
   ## Related issue and scope
   <!--- Please include a link to a related issue if there is one. -->
   - [ ] I opened an issue to propose and discuss this change (#4277 )
   
   ## My changes affect the following components
   <!--- Select below all system components are affected by your change. -->
   <!--- Enter an `x` in all applicable boxes. -->
   - [ ] API
   - [ ] Controller
   - [ ] Message Bus (e.g., Kafka)
   - [ ] Loadbalancer
   - [ ] Invoker
   - [ ] Intrinsic actions (e.g., sequences, conductors)
   - [ ] Data stores (e.g., CouchDB)
   - [ ] Tests
   - [ ] Deployment
   - [ ] CLI
   - [ ] General tooling
   - [ ] Documentation
   
   ## Types of changes
   <!--- What types of changes does your code introduce? Use `x` in all the boxes that apply: -->
   - [ ] Bug fix (generally a non-breaking change which closes an issue).
   - [ ] Enhancement or new feature (adds new functionality).
   - [ ] Breaking change (a bug fix or enhancement which changes existing behavior).
   
   ## Checklist:
   <!--- Please review the points below which help you make sure you've covered all aspects of the change you're making. -->
   
   - [ ] I signed an [Apache CLA](https://github.com/apache/incubator-openwhisk/blob/master/CONTRIBUTING.md).
   - [ ] I reviewed the [style guides](https://github.com/apache/incubator-openwhisk/wiki/Contributing:-Git-guidelines#code-readiness) and followed the recommendations (Travis CI will check :).
   - [ ] I added tests to cover my changes.
   - [ ] My changes require further changes to the documentation.
   - [ ] I updated the documentation where necessary.
   
   

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