Cleanly separate v1 worker and v2 sdk harness container image handling in DataflowRunner

Author: kennknowles

runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/runners/dataflow/DataflowPipelineTranslator.java

@@ -139,10 +139,11 @@ private static byte[] serializeWindowingStrategy(
     try {
       SdkComponents sdkComponents = SdkComponents.create();
 
-      String workerHarnessContainerImageURL =
-          DataflowRunner.getContainerImageForJob(options.as(DataflowPipelineOptions.class));
+      String v2SdkHarnessContainerImageURL =
+          DataflowRunner.getV2SdkHarnessContainerImageForJob(
+              options.as(DataflowPipelineOptions.class));
       RunnerApi.Environment defaultEnvironmentForDataflow =
-          Environments.createDockerEnvironment(workerHarnessContainerImageURL);
+          Environments.createDockerEnvironment(v2SdkHarnessContainerImageURL);
       sdkComponents.registerEnvironment(defaultEnvironmentForDataflow);
 
       return WindowingStrategyTranslation.toMessageProto(windowingStrategy, sdkComponents)

runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/runners/dataflow/DataflowRunner.java

@@ -518,29 +518,16 @@ static boolean isServiceEndpoint(String endpoint) {
   }
 
   static void validateSdkContainerImageOptions(DataflowPipelineWorkerPoolOptions workerOptions) {
-    // Check against null - empty string value for workerHarnessContainerImage
-    // must be preserved for legacy dataflowWorkerJar to work.
-    String sdkContainerOption = workerOptions.getSdkContainerImage();
-    String workerHarnessOption = workerOptions.getWorkerHarnessContainerImage();
-    Preconditions.checkArgument(
-        sdkContainerOption == null
-            || workerHarnessOption == null
-            || sdkContainerOption.equals(workerHarnessOption),
-        "Cannot use legacy option workerHarnessContainerImage with sdkContainerImage. Prefer sdkContainerImage.");
-
-    // Default to new option, which may be null.
-    String containerImage = workerOptions.getSdkContainerImage();
-    if (workerOptions.getWorkerHarnessContainerImage() != null
-        && workerOptions.getSdkContainerImage() == null) {
-      // Set image to old option if old option was set but new option is not set.
+    if (workerOptions.getSdkContainerImage() != null
+        && workerOptions.getWorkerHarnessContainerImage() != null) {
       LOG.warn(
-          "Prefer --sdkContainerImage over deprecated legacy option --workerHarnessContainerImage.");
-      containerImage = workerOptions.getWorkerHarnessContainerImage();
+          "Container specified for both --workerHarnessContainerImage and --sdkContainerImage. "
+              + "If you are a Beam of Dataflow developer, this could make sense, "
+              + "but otherwise may be a configuration error. "
+              + "The value of --workerHarnessContainerImage will be used only if the pipeline runs on Dataflow V1 "
+              + "and is *not* supported for end users. "
+              + "The value of --sdkContainerImage will be used only if the pipeline runs on Dataflow V2");
     }
-
-    // Make sure both options have same value.
-    workerOptions.setSdkContainerImage(containerImage);
-    workerOptions.setWorkerHarnessContainerImage(containerImage);
   }
 
   @VisibleForTesting
@@ -1039,7 +1026,7 @@ protected RunnerApi.Pipeline applySdkEnvironmentOverrides(
         if (containerImage.startsWith("apache/beam")
             && !updated
             // don't update if the container image is already configured by DataflowRunner
-            && !containerImage.equals(getContainerImageForJob(options))) {
+            && !containerImage.equals(getV2SdkHarnessContainerImageForJob(options))) {
           containerImage =
               DataflowRunnerInfo.getDataflowRunnerInfo().getContainerImageBaseRepository()
                   + containerImage.substring(containerImage.lastIndexOf("/"));
@@ -1290,21 +1277,19 @@ public DataflowPipelineJob run(Pipeline pipeline) {
             + "related to Google Compute Engine usage and other Google Cloud Services.");
 
     DataflowPipelineOptions dataflowOptions = options.as(DataflowPipelineOptions.class);
-    String workerHarnessContainerImageURL = DataflowRunner.getContainerImageForJob(dataflowOptions);
+    String v1WorkerContainerImageURL =
+        DataflowRunner.getV1WorkerContainerImageForJob(dataflowOptions);
+    String v2SdkHarnessContainerImageURL =
+        DataflowRunner.getV2SdkHarnessContainerImageForJob(dataflowOptions);
 
-    // This incorrectly puns the worker harness container image (which implements v1beta3 API)
-    // with the SDK harness image (which implements Fn API).
-    //
-    // The same Environment is used in different and contradictory ways, depending on whether
-    // it is a v1 or v2 job submission.
-    RunnerApi.Environment defaultEnvironmentForDataflow =
-        Environments.createDockerEnvironment(workerHarnessContainerImageURL);
+    RunnerApi.Environment defaultEnvironmentForDataflowV2 =
+        Environments.createDockerEnvironment(v2SdkHarnessContainerImageURL);
 
     // The SdkComponents for portable an non-portable job submission must be kept distinct. Both
     // need the default environment.
     SdkComponents portableComponents = SdkComponents.create();
     portableComponents.registerEnvironment(
-        defaultEnvironmentForDataflow
+        defaultEnvironmentForDataflowV2
             .toBuilder()
             .addAllDependencies(getDefaultArtifacts())
             .addAllCapabilities(Environments.getJavaCapabilities())
@@ -1343,7 +1328,7 @@ public DataflowPipelineJob run(Pipeline pipeline) {
     // Capture the SdkComponents for look up during step translations
     SdkComponents dataflowV1Components = SdkComponents.create();
     dataflowV1Components.registerEnvironment(
-        defaultEnvironmentForDataflow
+        defaultEnvironmentForDataflowV2
             .toBuilder()
             .addAllDependencies(getDefaultArtifacts())
             .addAllCapabilities(Environments.getJavaCapabilities())
@@ -1469,7 +1454,7 @@ public DataflowPipelineJob run(Pipeline pipeline) {
     // For runner_v1, only worker_harness_container is set.
     // For runner_v2, both worker_harness_container and sdk_harness_container are set to the same
     // value.
-    String containerImage = getContainerImageForJob(options);
+    String containerImage = getV1WorkerContainerImageForJob(options);
     for (WorkerPool workerPool : newJob.getEnvironment().getWorkerPools()) {
       workerPool.setWorkerHarnessContainerImage(containerImage);
     }
@@ -2634,59 +2619,101 @@ public Map<PCollection<?>, ReplacementOutput> mapOutputs(
   }
 
   @VisibleForTesting
-  static String getContainerImageForJob(DataflowPipelineOptions options) {
+  static String getV1WorkerContainerImageForJob(DataflowPipelineOptions options) {
+    String containerImage = options.getWorkerHarnessContainerImage();
+
+    if (containerImage == null) {
+      // If not set, construct and return default image URL.
+      return getDefaultV1WorkerContainerImageUrl(options);
+    } else if (containerImage.contains("IMAGE")) {
+      // Replace placeholder with default image name
+      return containerImage.replace("IMAGE", getDefaultV1WorkerContainerImageNameForJob(options));
+    } else {
+      return containerImage;
+    }
+  }
+
+  static String getV2SdkHarnessContainerImageForJob(DataflowPipelineOptions options) {
     String containerImage = options.getSdkContainerImage();
 
     if (containerImage == null) {
       // If not set, construct and return default image URL.
-      return getDefaultContainerImageUrl(options);
+      return getDefaultV2SdkHarnessContainerImageUrl(options);
     } else if (containerImage.contains("IMAGE")) {
       // Replace placeholder with default image name
-      return containerImage.replace("IMAGE", getDefaultContainerImageNameForJob(options));
+      return containerImage.replace("IMAGE", getDefaultV2SdkHarnessContainerImageNameForJob());
     } else {
       return containerImage;
     }
   }
 
-  /** Construct the default Dataflow container full image URL. */
-  static String getDefaultContainerImageUrl(DataflowPipelineOptions options) {
+  /** Construct the default Dataflow worker container full image URL. */
+  static String getDefaultV1WorkerContainerImageUrl(DataflowPipelineOptions options) {
     DataflowRunnerInfo dataflowRunnerInfo = DataflowRunnerInfo.getDataflowRunnerInfo();
     return String.format(
         "%s/%s:%s",
         dataflowRunnerInfo.getContainerImageBaseRepository(),
-        getDefaultContainerImageNameForJob(options),
-        getDefaultContainerVersion(options));
+        getDefaultV1WorkerContainerImageNameForJob(options),
+        getDefaultV1WorkerContainerVersion(options));
+  }
+
+  /** Construct the default Java SDK container full image URL. */
+  static String getDefaultV2SdkHarnessContainerImageUrl(DataflowPipelineOptions options) {
+    DataflowRunnerInfo dataflowRunnerInfo = DataflowRunnerInfo.getDataflowRunnerInfo();
+    return String.format(
+        "%s/%s:%s",
+        dataflowRunnerInfo.getContainerImageBaseRepository(),
+        getDefaultV2SdkHarnessContainerImageNameForJob(),
+        getDefaultV2SdkHarnessContainerVersion(options));
   }
 
   /**
-   * Construct the default Dataflow container image name based on pipeline type and Java version.
+   * Construct the default Dataflow V1 worker container image name based on pipeline type and Java
+   * version.
    */
-  static String getDefaultContainerImageNameForJob(DataflowPipelineOptions options) {
+  static String getDefaultV1WorkerContainerImageNameForJob(DataflowPipelineOptions options) {
     Environments.JavaVersion javaVersion = Environments.getJavaVersion();
-    if (useUnifiedWorker(options)) {
-      return String.format("beam_%s_sdk", javaVersion.name());
-    } else if (options.isStreaming()) {
+    if (options.isStreaming()) {
       return String.format("beam-%s-streaming", javaVersion.legacyName());
     } else {
       return String.format("beam-%s-batch", javaVersion.legacyName());
     }
   }
 
   /**
-   * Construct the default Dataflow container image name based on pipeline type and Java version.
+   * Construct the default Java SDK container image name based on pipeline type and Java version,
+   * for use by Dataflow V2.
+   */
+  static String getDefaultV2SdkHarnessContainerImageNameForJob() {
+    Environments.JavaVersion javaVersion = Environments.getJavaVersion();
+    return String.format("beam_%s_sdk", javaVersion.name());
+  }
+
+  /**
+   * Construct the default Dataflow V1 worker container image name based on pipeline type and Java
+   * version.
    */
-  static String getDefaultContainerVersion(DataflowPipelineOptions options) {
+  static String getDefaultV1WorkerContainerVersion(DataflowPipelineOptions options) {
     DataflowRunnerInfo dataflowRunnerInfo = DataflowRunnerInfo.getDataflowRunnerInfo();
     ReleaseInfo releaseInfo = ReleaseInfo.getReleaseInfo();
     if (releaseInfo.isDevSdkVersion()) {
-      if (useUnifiedWorker(options)) {
-        return dataflowRunnerInfo.getFnApiDevContainerVersion();
-      }
       return dataflowRunnerInfo.getLegacyDevContainerVersion();
     }
     return releaseInfo.getSdkVersion();
   }
 
+  /**
+   * Construct the default Dataflow container image name based on pipeline type and Java version.
+   */
+  static String getDefaultV2SdkHarnessContainerVersion(DataflowPipelineOptions options) {
+    DataflowRunnerInfo dataflowRunnerInfo = DataflowRunnerInfo.getDataflowRunnerInfo();
+    ReleaseInfo releaseInfo = ReleaseInfo.getReleaseInfo();
+    if (releaseInfo.isDevSdkVersion()) {
+      return dataflowRunnerInfo.getFnApiDevContainerVersion();
+    }
+    return releaseInfo.getSdkVersion();
+  }
+
   static boolean useUnifiedWorker(DataflowPipelineOptions options) {
     return hasExperiment(options, "beam_fn_api")
         || hasExperiment(options, "use_runner_v2")

runners/google-cloud-dataflow-java/src/main/java/org/apache/beam/runners/dataflow/options/DataflowPipelineWorkerPoolOptions.java

@@ -104,28 +104,19 @@ public String getAlgorithm() {
   void setDiskSizeGb(int value);
 
   /** Container image used as Dataflow worker harness image. */
-  /** @deprecated Use {@link #getSdkContainerImage} instead. */
   @Description(
-      "Container image used to configure a Dataflow worker. "
-          + "Can only be used for official Dataflow container images. "
-          + "Prefer using sdkContainerImage instead.")
-  @Deprecated
+      "Container image to use for Dataflow V1 worker. Can only be used for official Dataflow container images. ")
   @Hidden
   String getWorkerHarnessContainerImage();
 
-  /** @deprecated Use {@link #setSdkContainerImage} instead. */
-  @Deprecated
   @Hidden
   void setWorkerHarnessContainerImage(String value);
 
   /**
    * Container image used to configure SDK execution environment on worker. Used for custom
    * containers on portable pipelines only.
    */
-  @Description(
-      "Container image used to configure the SDK execution environment of "
-          + "pipeline code on a worker. For non-portable pipelines, can only be "
-          + "used for official Dataflow container images.")
+  @Description("Container image to use for Beam Java SDK execution environment on Dataflow V2.")
   String getSdkContainerImage();
 
   void setSdkContainerImage(String value);

runners/google-cloud-dataflow-java/src/test/java/org/apache/beam/runners/dataflow/DataflowPipelineTranslatorTest.java

@@ -156,7 +156,8 @@ private SdkComponents createSdkComponents(PipelineOptions options) {
     SdkComponents sdkComponents = SdkComponents.create();
 
     String containerImageURL =
-        DataflowRunner.getContainerImageForJob(options.as(DataflowPipelineOptions.class));
+        DataflowRunner.getV2SdkHarnessContainerImageForJob(
+            options.as(DataflowPipelineOptions.class));
     RunnerApi.Environment defaultEnvironmentForDataflow =
         Environments.createDockerEnvironment(containerImageURL);
 
@@ -1127,7 +1128,8 @@ public String apply(byte[] input) {
     file2.deleteOnExit();
     SdkComponents sdkComponents = SdkComponents.create();
     sdkComponents.registerEnvironment(
-        Environments.createDockerEnvironment(DataflowRunner.getContainerImageForJob(options))
+        Environments.createDockerEnvironment(
+                DataflowRunner.getV2SdkHarnessContainerImageForJob(options))
             .toBuilder()
             .addAllDependencies(
                 Environments.getArtifacts(
@@ -1589,7 +1591,8 @@ public void testSetWorkerHarnessContainerImageInPipelineProto() throws Exception
         Iterables.getOnlyElement(pipelineProto.getComponents().getEnvironmentsMap().values());
 
     DockerPayload payload = DockerPayload.parseFrom(defaultEnvironment.getPayload());
-    assertEquals(DataflowRunner.getContainerImageForJob(options), payload.getContainerImage());
+    assertEquals(
+        DataflowRunner.getV2SdkHarnessContainerImageForJob(options), payload.getContainerImage());
   }
 
   /**
@@ -1621,7 +1624,8 @@ public void testSetSdkContainerImageInPipelineProto() throws Exception {
         Iterables.getOnlyElement(pipelineProto.getComponents().getEnvironmentsMap().values());
 
     DockerPayload payload = DockerPayload.parseFrom(defaultEnvironment.getPayload());
-    assertEquals(DataflowRunner.getContainerImageForJob(options), payload.getContainerImage());
+    assertEquals(
+        DataflowRunner.getV2SdkHarnessContainerImageForJob(options), payload.getContainerImage());
   }
 
   @Test