[GitHub] [incubator-openwhisk] SugandhaAgrawal opened a new pull request #4494: Akka http client responds HEAD request as GET

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SugandhaAgrawal opened a new pull request #4494: Akka http client responds HEAD request as GET
URL: https://github.com/apache/incubator-openwhisk/pull/4494
 
 
   Akka http client by default treats any http HEAD request as GET unless the configuration sets it otherwise. There are use cases where user expects HEAD to be responded as HEAD and without a response body unlike GET.
   
   https://github.com/akka/akka-http/issues/2088 mentions that the default is set to treat a HEAD as a GET request by the Akka client.
   
   ## Description
   Update the controller configuration to process HEAD and GET requests as they are expected.
   <!--- Provide a detailed description of your changes. -->
   <!--- Include details of what problem you are solving and how your changes are tested. -->
   
   ## 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 (#????)
   
   ## My changes affect the following components
   <!--- Select below all system components are affected by your change. -->
   <!--- Enter an `x` in all applicable boxes. -->
   - [ ] API
   - [x] 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: -->
   - [x] 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. -->
   
   - [x] I signed an [Apache CLA](https://github.com/apache/incubator-openwhisk/blob/master/CONTRIBUTING.md).
   - [x] 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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