feat(app): adding potential informers

[Jacobbrewer1]

Describe your changes

This pull request introduces significant enhancements to the Kubernetes integration within the application. The changes include adding Kubernetes informers and listers, updating the service endpoint hash bucket, and providing new options for initializing Kubernetes informers.

Kubernetes Integration Enhancements:

• app.go: Added new imports for Kubernetes informers, listers, and cache tools. Introduced new fields in the App struct for Kubernetes informer factory, pod informer, and pod lister. Updated the serviceEndpointHashBucket type to a pointer. Added methods to return the Kubernetes informer factory, pod informer, and pod lister. [1] [2] [3] [4]

• options.go: Added a new import for Kubernetes informers. Introduced a new WithKubernetesPodInformer StartOption to initialize a Kubernetes SharedInformerFactory and informer for Kubernetes Pod objects. [1] [2]

• options_helpers.go: Created a new file to define the initKubernetesInformerFactory function, which initializes the Kubernetes informer factory for the App.

[Copilot]

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

Comments suppressed due to low confidence (1)

app.go:89

• The comment refers to 'pod listener' instead of 'pod lister'. Consider updating it to accurately reflect that this field is a pod lister.

// podLister is the pod listener for the application.

[Copilot]

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

[Copilot]

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

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