public void deploy()

in appengine-plugins-core/src/main/java/com/google/cloud/tools/appengine/operations/Deployment.java [58:100]
35 lines of code
7 McCabe index (conditional complexity)

  public void deploy(DeployConfiguration config) throws AppEngineException {
    Preconditions.checkNotNull(config);
    Preconditions.checkNotNull(config.getDeployables());
    Preconditions.checkArgument(config.getDeployables().size() > 0);
    Path workingDirectory = null;

    List<String> arguments = new ArrayList<>();
    String mode = processMode(config.getGcloudMode());
    if (mode != null) {
      arguments.add(mode);
    }
    arguments.add("app");
    arguments.add("deploy");

    // Unfortunately, 'gcloud app deploy' does not let you pass a staging directory as a deployable.
    // Instead, we have to run 'gcloud app deploy' from the staging directory to achieve this.
    // So, if we find that the only deployable in the list is a directory, we just run the command
    // from that directory without passing in any deployables to gcloud.
    if (config.getDeployables().size() == 1 && Files.isDirectory(config.getDeployables().get(0))) {
      workingDirectory = config.getDeployables().get(0);
    } else {
      for (Path deployable : config.getDeployables()) {
        if (!Files.exists(deployable)) {
          throw new IllegalArgumentException("Deployable " + deployable + " does not exist.");
        }
        arguments.add(deployable.toString());
      }
    }

    arguments.addAll(GcloudArgs.get("bucket", config.getBucket()));
    arguments.addAll(GcloudArgs.get("image-url", config.getImageUrl()));
    arguments.addAll(GcloudArgs.get("promote", config.getPromote()));
    arguments.addAll(GcloudArgs.get("server", config.getServer()));
    arguments.addAll(GcloudArgs.get("stop-previous-version", config.getStopPreviousVersion()));
    arguments.addAll(GcloudArgs.get("version", config.getVersion()));
    arguments.addAll(GcloudArgs.get("project", config.getProjectId()));

    try {
      runner.run(arguments, workingDirectory);
    } catch (ProcessHandlerException | IOException ex) {
      throw new AppEngineException(ex);
    }
  }