wangyang0918 commented on a change in pull request #14692:
URL: https://github.com/apache/flink/pull/14692#discussion_r560094753
##########
File path:
flink-kubernetes/src/main/java/org/apache/flink/kubernetes/KubernetesClusterDescriptor.java
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@@ -125,6 +121,16 @@ public String getClusterDescription() {
};
}
+ private String getWebMonitorAddress(Configuration configuration) throws
Exception {
+ HighAvailabilityServicesUtils.AddressResolution resolution =
+
HighAvailabilityServicesUtils.AddressResolution.TRY_ADDRESS_RESOLUTION;
+ if
(configuration.get(KubernetesConfigOptions.REST_SERVICE_EXPOSED_TYPE)
+ == KubernetesConfigOptions.ServiceExposedType.ClusterIP) {
+ resolution =
HighAvailabilityServicesUtils.AddressResolution.NO_ADDRESS_RESOLUTION;
+ }
+ return
HighAvailabilityServicesUtils.getWebMonitorAddress(configuration, resolution);
+ }
Review comment:
The Flink application submission could happen in or out of the K8s
cluster. The reason why we set the `RestOptions.ADDRESS` to the namespaced
service is that it could be directly used in the K8s cluster. However, when the
submission happens out of the K8s cluster, the namespaced service could not be
used to contact with the cluster.
In such situation, users usually need to create a ingress for the
communication.
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