tillrohrmann commented on a change in pull request #14629:
URL: https://github.com/apache/flink/pull/14629#discussion_r584550780
##########
File path:
flink-kubernetes/src/main/java/org/apache/flink/kubernetes/utils/KubernetesUtils.java
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@@ -431,6 +435,61 @@ public static File getTaskManagerPodTemplateFileInPod() {
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,
+ @Nullable String valueOfPodTemplate,
+ String fieldDescription) {
+ final String resolvedValue;
+ if (valueOfPodTemplate != null) {
+ // The config option is explicitly set.
+ if (flinkConfig.contains(configOption)) {
+ resolvedValue = valueOfConfigOptionOrDefault;
+ LOG.info(
+ "The {} configured in pod template will be overwritten
to '{}' "
+ + "because of explicitly configured options.",
+ fieldDescription,
+ resolvedValue);
+ } else {
+ resolvedValue = valueOfPodTemplate;
+ }
+ } else {
+ resolvedValue = valueOfConfigOptionOrDefault;
+ }
+ return resolvedValue;
+ }
+
+ /**
+ * Get the service account from the input pod first, if not specified, the
service account name
+ * will be used.
Review comment:
What is the difference between service account and service account name?
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