private static Image getNewestImage()

in infrastructure/src/main/java/org/apache/geode/infrastructure/aws/LaunchCluster.java [439:466]

22 lines of code
3 McCabe index (conditional complexity)


  private static Image getNewestImage() {
    DateTimeFormatter inputFormatter =
        DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'", Locale.ENGLISH);

    String purpose = System.getProperty("PURPOSE", "geode-benchmarks");

    if (purpose.isEmpty()) {
      purpose = "geode-benchmarks";
    }

    // Find an appropriate AMI to launch our cluster with
    List<Image> benchmarkImages = ec2.describeImages(
        DescribeImagesRequest
            .builder()
            .filters(Filter.builder().name("tag:purpose").values(purpose).build())
            .build())
        .images();

    // benchmarkImages is an immutable list so we have to copy it
    List<Image> sortableImages = new ArrayList<>(benchmarkImages);
    sortableImages.sort(
        Comparator.comparing((Image i) -> LocalDateTime.parse(i.creationDate(), inputFormatter)));
    if (sortableImages.size() < 1) {
      System.out.println("No suitable AMIs available, exiting.");
      System.exit(1);
    }
    return sortableImages.get(sortableImages.size() - 1);
  }