`services`: add `trafficDistribution` field in `service.spec`

[BBBmau]

Description

v1.31 graduated trafficDistributions field from alpha to beta with the feature gate being set to enabled by default.

k8s PR: kubernetes/enhancements#4444
Service Documentation: https://kubernetes.io/docs/concepts/services-networking/service/#traffic-distribution

The API docs mentions that this is in alpha, this is wrong and an issue has been raised on the k8s website repo: kubernetes/website#47776

changes would needed to be applied with structure_service_spec.go:

terraform-provider-kubernetes/kubernetes/structure_service_spec.go

Lines 56 to 69 in 65f1a7d

	func flattenServiceSpec(in v1.ServiceSpec) []interface{} {
	att := make(map[string]interface{})
	if len(in.Ports) > 0 {
	att["port"] = flattenServicePort(in.Ports)
	}
	if len(in.Selector) > 0 {
	att["selector"] = in.Selector
	}
	if in.ClusterIP != "" {
	att["cluster_ip"] = in.ClusterIP
	}
	if len(in.ClusterIPs) > 0 {
	att["cluster_ips"] = in.ClusterIPs
	}

References

Community Note

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[aayushsss1]

@BBBmau I can take this up if no one's currently working on it!

[BBBmau]

@aayushsss1 this would be good to pick up, however this also would fall under blocked since it can only be merged once we've addressed the k8s version bump in the next major release of the provider.

You are welcome to work on it if still interested!

[aayushsss1]

Okay sure, I'll have a look into it!

[JaylonmcShan03]

@BBBmau I'll glance over this issue next week and if it's not tackled I don't mind tackling this for Q4