interface: update traffic manager APIs to support splitting weight behind serviceImport

[zhiying-lin]

What type of PR is this?

/kind feature
/kind api-change

What this PR does / why we need it:

• add resource id in the status of endpoint and profile
• update weight to follow gateway api. Default to 1 and allow for 0.
• display the original weight from the cluster in the endpoint
• add weight on the serviceExport

Which issue(s) this PR fixes:

Fixes #

Requirements:

• run make reviewable for basic local test
• Read and followed fleet-networking's Code of conduct.
• uses conventional commit messages
• includes documentation
• adds unit tests

How has this code been tested

Special notes for your reviewer

Copilot reviewed 5 out of 12 changed files in this pull request and generated 2 comments.

Files not reviewed (7)

• api/v1alpha1/internalserviceexport_types.go: Evaluated as low risk
• api/v1alpha1/serviceexport_types.go: Evaluated as low risk
• api/v1alpha1/trafficmanagerbackend_types.go: Evaluated as low risk
• api/v1alpha1/trafficmanagerprofile_types.go: Evaluated as low risk
• api/v1alpha1/zz_generated.deepcopy.go: Evaluated as low risk
• config/crd/bases/networking.fleet.azure.com_internalserviceexports.yaml: Evaluated as low risk
• config/crd/bases/networking.fleet.azure.com_serviceexports.yaml: Evaluated as low risk

Comments suppressed due to low confidence (2)

pkg/controllers/hub/trafficmanagerbackend/controller_integration_test.go:761

• Ensure that the new 'From' field and weight calculations are covered by integration tests.

Endpoints: []fleetnetv1alpha1.TrafficManagerEndpointStatus{

pkg/controllers/hub/trafficmanagerbackend/controller.go:516

• Changing the parameter type from a pointer to a struct might cause unintended side effects. Ensure that this change is intentional and doesn't lead to performance issues or unexpected behavior.

func buildAcceptedEndpointStatus(endpoint *armtrafficmanager.Endpoint, cluster fleetnetv1alpha1.ClusterStatus) fleetnetv1alpha1.TrafficManagerEndpointStatus {

[codecov]

Codecov Report

Attention: Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.

Project coverage is 79.88%. Comparing base (5465567) to head (47ddf4c).

Files with missing lines	Patch %	Lines
...ontrollers/hub/trafficmanagerbackend/controller.go	88.88%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #233      +/-   ##
==========================================
+ Coverage   79.66%   79.88%   +0.21%     
==========================================
  Files          27       27              
  Lines        3840     3842       +2     
==========================================
+ Hits         3059     3069      +10     
+ Misses        625      618       -7     
+ Partials      156      155       -1     

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