Examples with V1ContainerStateTerminated io.kubernetes.client.openapi.models.V1ContainerStateTerminated used on opensource projects

Example 1 with V1ContainerStateTerminated

use of io.kubernetes.client.openapi.models.V1ContainerStateTerminated in project pravega by pravega.

the class K8sClient method waitUntilPodCompletes.

/**
 * A method which returns a completed future once a given Pod has completed execution. This is useful to track test execution.
 * This method uses a Watch to track the status of the pod. The maximum wait time is based on the retry configuration.
 * @param namespace Namespace.
 * @param podName Pod name.
 * @return A future which is complete once the pod completes.
 */
public CompletableFuture<V1ContainerStateTerminated> waitUntilPodCompletes(final String namespace, final String podName) {
    return retryWithBackoff.retryWhen(t -> {
        Throwable ex = Exceptions.unwrap(t);
        // Incase of an IO Exception the Kubernetes client wraps the IOException within a RuntimeException.
        if (ex.getCause() instanceof IOException) {
            // IOException might occur due multiple reasons, one among them is SocketTimeout exception.
            // This is observed on long running pods.
            log.warn("IO Exception while fetching status of pod, will attempt a retry. Details: {}", ex.getMessage());
            return true;
        }
        log.error("Exception while fetching status of pod", ex);
        return false;
    }).runAsync(() -> {
        CompletableFuture<V1ContainerStateTerminated> future = new CompletableFuture<>();
        V1ContainerStateTerminated state = createAWatchAndReturnOnTermination(namespace, podName).orElseThrow(() -> new RuntimeException("Watch did not return terminated state for pod " + podName));
        future.complete(state);
        return future;
    }, executor);
}