)

// isControllerInstalled reports whether an operator deployment exists in the given namespace.
func isControllerInstalled(cs kubernetes.Interface, operatorNamespace string, revision string) (bool, error) {
	orn := operatorResourceName
	if revision != "" {
		orn += "-" + revision
	}
	return deploymentExists(cs, operatorNamespace, orn)
}

// renderOperatorManifest renders a manifest to install the operator with the given input arguments.

#### Conclusion

Overall, the high level config ingestion flow:

```mermaid
graph TD
    sd(Service Discovery)
    cs(ConfigStore)
    ep(Endpoints)
    pc(PushContext)
    sd-->pc
    cs-->pc
    sd-->ep
```

### Config Translation

				return true
			}
		}
	}

	clusterName := ""
	switch cs := vhRoute.GetRoute().GetClusterSpecifier().(type) {
	case *route.RouteAction_Cluster:
		clusterName = cs.Cluster
	case *route.RouteAction_WeightedClusters:
		clusterName = cs.WeightedClusters.Clusters[0].GetName()
	}

	// If this is an ingress gateway, the Domains will be something like *:80, so check routes