kubernetes/pkg/api/service/util.go

const defaultLoadBalancerSourceRanges …

// 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 *api.Service) (utilnet.IPNetSet, error) { … }

// ExternallyAccessible checks if service is externally accessible.
func ExternallyAccessible(service *api.Service) bool { … }

// RequestsOnlyLocalTraffic checks if service requests OnlyLocal traffic.
func RequestsOnlyLocalTraffic(service *api.Service) bool { … }

// NeedsHealthCheck checks if service needs health check.
func NeedsHealthCheck(service *api.Service) bool { … }