NewRemoteClusterResolver is resolves the secret into a k8s config and client It also implements methods to interact with the remote cluster cache.

NewRemoteClusterSecretHandler creates a new handler for remote cluster secrets The handler is responsible to listen for remote cluster secrets When a new secret is added/updated, the handler resolves the secret to get the remote cluster config and creates a new remote cluster in cache The handler also starts the relevant controllers (deployment, rollout, service) for the remote cluster.