wangyang0918 commented on code in PR #20673:
URL: https://github.com/apache/flink/pull/20673#discussion_r955896987
##########
flink-kubernetes/src/test/java/org/apache/flink/kubernetes/highavailability/KubernetesStateHandleStoreTest.java:
##########
@@ -1119,4 +1166,34 @@ private TestingLongStateHandleHelper.LongStateHandle
addDeletingEntry(
configMap.getData().put(key, deleting);
return state;
}
+
+ private static CompletableFuture<Boolean> retryWithFirstFailedK8sOperation(
+ Function<KubernetesConfigMap, Optional<KubernetesConfigMap>>
function,
+ KubernetesConfigMap leaderConfigMap) {
+ final AtomicInteger callbackInvocationCount = new AtomicInteger(0);
+ final CompletableFuture<Boolean> result =
+ FutureUtils.retry(
+ () ->
+ CompletableFuture.supplyAsync(
+ () -> {
+
callbackInvocationCount.incrementAndGet();
+ function.apply(leaderConfigMap);
+ if (callbackInvocationCount.get()
== 1) {
+ throw new
KubernetesClientException(
+ "Expected exception to
simulate unstable "
+ + "kubernetes
client operation");
+ }
+ return true;
+ },
+ Executors.newDirectExecutorService()),
+
KubernetesConfigOptions.KUBERNETES_TRANSACTIONAL_OPERATION_MAX_RETRIES
+ .defaultValue(),
+ t ->
+ ExceptionUtils.findThrowable(t,
KubernetesClientException.class)
+ .isPresent(),
+ Executors.newDirectExecutorService());
+ assertThat(callbackInvocationCount.get(), is(2));
+ assertThat(result.isDone(), is(true));
Review Comment:
The above codes may hide the exception of future. Maybe I need to throw the
exception directly in `retryWithFirstFailedK8sOperation`.
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