zhengcanbin commented on a change in pull request #11715: [FLINK-16598][k8s]
Respect the rest-port exposed by the external Service when retrieving Endpoint
URL: https://github.com/apache/flink/pull/11715#discussion_r409299161
##########
File path:
flink-kubernetes/src/main/java/org/apache/flink/kubernetes/kubeclient/Fabric8FlinkKubeClient.java
##########
@@ -264,17 +263,32 @@ private void setOwnerReference(Deployment deployment,
List<HasMetadata> resource
}
/**
- * To get nodePort of configured ports.
+ * Get rest port from the external Service.
*/
- private int getServiceNodePort(Service service, ConfigOption<Integer>
configPort) {
- final int port = this.flinkConfig.getInteger(configPort);
- if (service.getSpec() != null && service.getSpec().getPorts()
!= null) {
- for (ServicePort p : service.getSpec().getPorts()) {
- if (p.getPort() == port) {
- return p.getNodePort();
- }
- }
+ private int getRestPortFromExternalService(Service externalService) {
+ final List<ServicePort> servicePortCandidates =
externalService.getSpec().getPorts()
+ .stream()
+ .filter(x ->
x.getName().equals(Constants.REST_PORT_NAME))
+ .collect(Collectors.toList());
+
+ if (servicePortCandidates.isEmpty()) {
+ throw new RuntimeException("Failed to find port \"" +
Constants.REST_PORT_NAME + "\" in Service \"" +
+
KubernetesUtils.getRestServiceName(this.clusterId) + "\"");
+ }
+
+ final ServicePort externalServicePort =
servicePortCandidates.get(0);
+
+ final KubernetesConfigOptions.ServiceExposedType
externalServiceType =
+
KubernetesConfigOptions.ServiceExposedType.valueOf(externalService.getSpec().getType());
+
+ switch (externalServiceType) {
+ case ClusterIP:
+ case LoadBalancer:
Review comment:
If the cluster does not provide the LoadBalancer, I think we should throw
Exception instead of return the NodePort URL. Can we separate the Service type
more clearly?
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