tillrohrmann commented on a change in pull request #14629:
URL: https://github.com/apache/flink/pull/14629#discussion_r584529619
##########
File path:
flink-kubernetes/src/main/java/org/apache/flink/kubernetes/utils/KubernetesUtils.java
##########
@@ -396,6 +405,74 @@ public static String getCommonStartCommand(
.collect(Collectors.toList());
}
+ public static FlinkPod loadPodFromTemplateFile(
+ FlinkKubeClient kubeClient, File podTemplateFile, String
mainContainerName) {
+ final KubernetesPod pod =
kubeClient.loadPodFromTemplateFile(podTemplateFile);
+ final List<Container> otherContainers = new ArrayList<>();
+ Container mainContainer = null;
+
+ for (Container container :
pod.getInternalResource().getSpec().getContainers()) {
+ if (mainContainerName.equals(container.getName())) {
+ mainContainer = container;
+ } else {
+ otherContainers.add(container);
+ }
+ }
+
+ if (mainContainer == null) {
+ LOG.info(
+ "Could not find main container {} in pod template, using
empty one to initialize.",
+ mainContainerName);
+ mainContainer = new ContainerBuilder().build();
+ }
+
+ pod.getInternalResource().getSpec().setContainers(otherContainers);
+ return new FlinkPod(pod.getInternalResource(), mainContainer);
+ }
+
+ public static File getTaskManagerPodTemplateFileInPod() {
+ return new File(
+ Constants.POD_TEMPLATE_DIR_IN_POD,
Constants.TASK_MANAGER_POD_TEMPLATE_FILE_NAME);
+ }
+
+ /**
+ * Resolve the user defined value with the precedence. First an explicit
config option value is
+ * taken, then the value in pod template and at last the default value of
a config option if
+ * nothing is specified.
+ *
+ * @param flinkConfig flink configuration
+ * @param configOption the config option to define the Kubernetes fields
+ * @param valueOfConfigOptionOrDefault the value defined by explicit
config option or default
+ * @param valueOfPodTemplate the value defined in the pod template
+ * @param fieldDescription Kubernetes fields description
+ * @param <T> The type of value associated with the configuration option.
+ * @return the resolved value
+ */
+ public static <T> String resolveUserDefinedValue(
+ Configuration flinkConfig,
+ ConfigOption<T> configOption,
+ String valueOfConfigOptionOrDefault,
Review comment:
Ah ok. I see. Thanks for the clarification.
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