const defaultLoadBalancerSourceRanges … const LoadBalancerCleanupFinalizer … // IsAllowAll checks whether the utilnet.IPNet allows traffic from 0.0.0.0/0 func IsAllowAll(ipnets utilnet.IPNetSet) bool { … } // GetLoadBalancerSourceRanges first try to parse and verify LoadBalancerSourceRanges field from a service. // If the field is not specified, turn to parse and verify the AnnotationLoadBalancerSourceRangesKey annotation from a service, // extracting the source ranges to allow, and if not present returns a default (allow-all) value. func GetLoadBalancerSourceRanges(service *v1.Service) (utilnet.IPNetSet, error) { … } // GetServiceHealthCheckPathPort returns the path and nodePort programmed into the Cloud LB Health Check func GetServiceHealthCheckPathPort(service *v1.Service) (string, int32) { … } // RequestsOnlyLocalTraffic checks if service requests OnlyLocal traffic. func RequestsOnlyLocalTraffic(service *v1.Service) bool { … } // NeedsHealthCheck checks if service needs health check. func NeedsHealthCheck(service *v1.Service) bool { … } // HasLBFinalizer checks if service contains LoadBalancerCleanupFinalizer. func HasLBFinalizer(service *v1.Service) bool { … } // LoadBalancerStatusEqual checks if load balancer status are equal func LoadBalancerStatusEqual(l, r *v1.LoadBalancerStatus) bool { … } // PatchService patches the given service's Status or ObjectMeta based on the original and // updated ones. Change to spec will be ignored. func PatchService(c corev1.CoreV1Interface, oldSvc, newSvc *v1.Service) (*v1.Service, error) { … } func getPatchBytes(oldSvc, newSvc *v1.Service) ([]byte, error) { … }