Numaflow server v1_1 APIs

[whynowy]

Summary

As we are building new Numaflow UX, we need a new set of RESTful APIs (v1_1) for new UX components.

• Scaffold the code structure for v1_1 routing.
• xxx

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Message from the maintainers:

If you wish to see this enhancement implemented please add a 👍 reaction to this issue! We often sort issues this way to know what to prioritize.

[jy4096]

#1161

[jy4096]

TODOs

1. server/apis/v1/handler.go
   (159, 8) // TODO(API) : Get the current status of the ISB service
   (274, 5) // TODO: the client should be cached. feat: cache daemon client for each pipeline #1276
   (395, 5) // TODO: validate the patched data as well, e.g. only allow lifecycle to be patched
   (458, 5) // TODO(API) : Get the current status of the ISB service
   (508, 5) // TODO: validate if it's being used by any pipelines (WIP: jy4096)
   (523, 5) // TODO: the client should be cached.
   (544, 5) // TODO: the client should be cached.
   (624, 5) // TODO: the client should be cached.
   (825, 6) // TODO(API) : Get the current status of the ISB service
   (833, 4) // TODO(API): Change the Daemon service to return the consolidated status of the pipeline (SKIP)
   issue feat: improve API cluster-summary performance #1161 (WIP: jy4096)

2. server/apis/v1/routes/routes.go
   (30, 5) // TODO: Get the version of the current Numaflow

3. e2e missing tests (at least 1 test)
   r.PUT("/namespaces/:namespace/pipelines/:pipeline", handler.UpdatePipeline)
   r.PATCH("/namespaces/:namespace/pipelines/:pipeline", handler.PatchPipeline)
   r.PUT("/namespaces/:namespace/isb-services/:isb-services", handler.UpdateInterStepBufferService)
   r.PUT("/namespaces/:namespace/pipelines/:pipeline/vertices/:vertex", handler.UpdateVertex)
   r.GET("/metrics/namespaces/:namespace/pods/", handler.ListPodsMetrics) // tested in postman but got 301 error code in e2e test
   r.GET("/namespaces/:namespace/pods/:pod/logs", handler.PodLogs) // tested in postman but failed to add in e2e test
   r.GET("/namespaces/:namespace/events", handler.GetNamespaceEvents)
   r.POST("/validation/pipeline", handler.ValidatePipeline)
   r.POST("/validation/isb-service", handler.ValidateInterStepBufferService)

4. e2e api-test improvement