Examples with WorkflowTemplateServiceClient com.google.cloud.dataproc.v1.WorkflowTemplateServiceClient used on opensource projects

Example 1 with WorkflowTemplateServiceClient

use of com.google.cloud.dataproc.v1.WorkflowTemplateServiceClient in project java-dataproc by googleapis.

the class InstantiateInlineWorkflowTemplate method instantiateInlineWorkflowTemplate.

public static void instantiateInlineWorkflowTemplate(String projectId, String region) throws IOException, InterruptedException {
    String myEndpoint = String.format("%s-dataproc.googleapis.com:443", region);
    // Configure the settings for the workflow template service client.
    WorkflowTemplateServiceSettings workflowTemplateServiceSettings = WorkflowTemplateServiceSettings.newBuilder().setEndpoint(myEndpoint).build();
    // closes the client, but this can also be done manually with the .close() method.
    try (WorkflowTemplateServiceClient workflowTemplateServiceClient = WorkflowTemplateServiceClient.create(workflowTemplateServiceSettings)) {
        // Configure the jobs within the workflow.
        HadoopJob teragenHadoopJob = HadoopJob.newBuilder().setMainJarFileUri("file:///usr/lib/hadoop-mapreduce/hadoop-mapreduce-examples.jar").addArgs("teragen").addArgs("1000").addArgs("hdfs:///gen/").build();
        OrderedJob teragen = OrderedJob.newBuilder().setHadoopJob(teragenHadoopJob).setStepId("teragen").build();
        HadoopJob terasortHadoopJob = HadoopJob.newBuilder().setMainJarFileUri("file:///usr/lib/hadoop-mapreduce/hadoop-mapreduce-examples.jar").addArgs("terasort").addArgs("hdfs:///gen/").addArgs("hdfs:///sort/").build();
        OrderedJob terasort = OrderedJob.newBuilder().setHadoopJob(terasortHadoopJob).addPrerequisiteStepIds("teragen").setStepId("terasort").build();
        // Configure the cluster placement for the workflow.
        // Leave "ZoneUri" empty for "Auto Zone Placement".
        // GceClusterConfig gceClusterConfig =
        // GceClusterConfig.newBuilder().setZoneUri("").build();
        GceClusterConfig gceClusterConfig = GceClusterConfig.newBuilder().setZoneUri("us-central1-a").build();
        ClusterConfig clusterConfig = ClusterConfig.newBuilder().setGceClusterConfig(gceClusterConfig).build();
        ManagedCluster managedCluster = ManagedCluster.newBuilder().setClusterName("my-managed-cluster").setConfig(clusterConfig).build();
        WorkflowTemplatePlacement workflowTemplatePlacement = WorkflowTemplatePlacement.newBuilder().setManagedCluster(managedCluster).build();
        // Create the inline workflow template.
        WorkflowTemplate workflowTemplate = WorkflowTemplate.newBuilder().addJobs(teragen).addJobs(terasort).setPlacement(workflowTemplatePlacement).build();
        // Submit the instantiated inline workflow template request.
        String parent = RegionName.format(projectId, region);
        OperationFuture<Empty, WorkflowMetadata> instantiateInlineWorkflowTemplateAsync = workflowTemplateServiceClient.instantiateInlineWorkflowTemplateAsync(parent, workflowTemplate);
        instantiateInlineWorkflowTemplateAsync.get();
        // Print out a success message.
        System.out.printf("Workflow ran successfully.");
    } catch (ExecutionException e) {
        System.err.println(String.format("Error running workflow: %s ", e.getMessage()));
    }
}