public ServiceInstance(Service service) {
this.service = service;
this.id = getName(service);
ServiceSpec spec = KubernetesHelper.getOrCreateSpec(service);
List<ServicePort> ports = spec.getPorts();
if (spec.getPortalIP().equals(HEADLESS_PORTAL_IP)) {
// do nothing service is headless
} else if (ports != null && !ports.isEmpty()) {
for (ServicePort servicePort : ports) {
servicePorts.add(toNamedServicePort(id, servicePort));
}
} else {
throw new IllegalArgumentException(
"Service: " + id + " doesn't have a valid port configuration.");
}
this.selector = KubernetesHelper.getSelector(service);
Objects.notNull(this.selector, "No selector for service " + id);
if (selector.isEmpty()) {
throw new IllegalArgumentException("Empty selector for service " + id);
}
this.filter = KubernetesHelper.createPodFilter(selector);
// TODO should we use some service metadata to choose the load balancer?
this.loadBalancer = new RoundRobinLoadBalancer();
}
