private static ServicePort toNamedServicePort(String serviceId, ServicePort servicePort) {
String portName = servicePort.getName();
String protocol = servicePort.getProtocol();
Integer nodePort = servicePort.getNodePort();
IntOrString targetPort = servicePort.getTargetPort();
String name =
!Strings.isNullOrBlank(portName) ? portName : serviceId + "-" + targetPort.toString();
int port = KubernetesHelper.intOrStringToInteger(targetPort, "service: " + name);
return new ServicePort(name, nodePort, port, protocol, targetPort);
}
/**
* Create kubernetes service
*
* @param serviceId Service id
* @param serviceLabel Service name to be used by the label name
* @param nodePort Port to be exposed by the kubernetes node
* @param containerPortName Container port name defined in the port label
* @param containerPort Container port
* @param sessionAffinity Session affinity configuration
* @throws KubernetesClientException
*/
@Override
public void createService(
String serviceId,
String serviceLabel,
int nodePort,
String containerPortName,
int containerPort,
String sessionAffinity)
throws KubernetesClientException {
try {
if (log.isDebugEnabled()) {
log.debug(
String.format(
"Creating kubernetes service: [service-id] %s [service-name] %s [service-port] %d "
+ "[container-port-name] %s",
serviceId, serviceLabel, nodePort, containerPortName));
}
// Create service definition
Service service = new Service();
service.setSpec(new ServiceSpec());
service.setMetadata(new ObjectMeta());
service.setApiVersion(Service.ApiVersion.V_1);
service.setKind(KubernetesConstants.KIND_SERVICE);
service.getMetadata().setName(serviceId);
service.getSpec().setSessionAffinity(sessionAffinity);
service.getSpec().setType(KubernetesConstants.NODE_PORT);
// Set port
List<ServicePort> ports = new ArrayList<ServicePort>();
ServicePort port = new ServicePort();
port.setName(containerPortName);
port.setPort(containerPort);
port.setTargetPort(new IntOrString(containerPort));
port.setNodePort(nodePort);
ports.add(port);
service.getSpec().setPorts(ports);
// Set label
Map<String, String> labels = new HashMap<String, String>();
labels.put(KubernetesConstants.LABEL_NAME, serviceLabel);
service.getMetadata().setLabels(labels);
// Set service selector
Map<String, String> selector = new HashMap<String, String>();
selector.put(KubernetesConstants.LABEL_NAME, serviceLabel);
service.getSpec().setSelector(selector);
// Invoke the api to create the service
kubernetesClient.createService(service);
if (log.isDebugEnabled()) {
log.debug(
String.format(
"Kubernetes service created successfully: [service-id] %s [service-name] %s "
+ "[node-port] %d [container-port-name] %s [container-port] %d",
serviceId, serviceLabel, nodePort, containerPortName, containerPort));
}
} catch (Exception e) {
String message =
String.format(
"Could not create kubernetes service: [service-id] %s [service-name] %s "
+ "[node-port] %d [container-port-name] %s [container-port] %d",
serviceId, serviceLabel, nodePort, containerPortName, containerPort);
log.error(message, e);
throw new KubernetesClientException(message, e);
}
}