[GitHub] [ozone-go] elek commented on pull request #6: HDDS-5085. Create initial project structure with importing POC code

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

elek commented on pull request #6:
URL: https://github.com/apache/ozone-go/pull/6#issuecomment-824323472


   > Can we copy the protobufs from the Ozone project rather than adding precompiled proto files ? with 1.1.0 release done now, We should take a dependency on the proto files
   
   Thanks for the suggestion @mukul1987. Yes, originally the proto files where there, but they accidentally be deleted. I restored them now.
   
   These are 1.0.0 proto files but created https://issues.apache.org/jira/browse/HDDS-5132 to updated them to the latest release.
   
   
   
   
   Note: I considered making it more dynamic (generating the code on the fly or downloading them on the fly) but I faced with different issues:
   
    1. It's not very easy to download artifacts for each build as they are published as maven artifacts which is not compatible with go ecosystem
    2. I think it's better to use the latest stable release from Ozone which doesn't really require ad-hoc download
    3. As the proto files include java based package names I added minor modifications to the proto files after the import: for example I added `option go_package = "github.com/apache/ozone-go/api/proto/common";` 
   
   (3.) is especially important. Thanks for the comment to include the original proto files. It's very important, because they include the required modifications in the headers.
   
   
   
   Note2: In the go word it's quite common to commit the generated go files (or even dependencies, `vendor` directory sometimes also included in the repos). For example the Kubernetes repo also follows this approach: there are a lot of generated files around this: https://github.com/kubernetes/client-go/blob/master/listers/apps/v1/controllerrevision.go
   
   
   


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