Add TestContainerResourceManager for third party resources.

it/testcontainers/build.gradle

@@ -0,0 +1,37 @@
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* License); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an AS IS BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+plugins { id 'org.apache.beam.module' }
+applyJavaNature(
+    automaticModuleName: 'org.apache.beam.it.testcontainers',
+    enableSpotbugs: false,
+    validateShadowJar: false,
+    shadowClosure: {},
+)
+
+description = "Apache Beam :: IT :: Testcontainers"
+ext.summary = "Integration test utilities for Testcontainers."
+
+dependencies {
+    implementation project(path: ":it:common", configuration: "shadow")
+    implementation library.java.testcontainers_base
+
+    testImplementation library.java.truth
+    testImplementation library.java.mockito_core
+    testRuntimeOnly library.java.slf4j_simple
+}

it/testcontainers/src/main/java/org/apache/beam/it/testcontainers/TestContainerResourceManager.java

@@ -0,0 +1,218 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.it.testcontainers;
+
+import java.util.concurrent.Callable;
+import javax.annotation.Nullable;
+import org.apache.beam.it.common.ResourceManager;
+import org.apache.beam.it.common.TestProperties;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.testcontainers.containers.GenericContainer;
+
+/**
+ * Abstract class for managing TestContainers resources in integration tests.
+ *
+ * <p>Resource managers that extend this class will use TestContainers as a backend to spin up
+ * resources.
+ *
+ * <p>Optionally, a static resource can be specified by calling the useStaticContainer() method in
+ * the {@link Builder} class. A static resource is a pre-configured database or other resource that
+ * is ready to be connected to by the resource manager. This could be a pre-existing TestContainer
+ * that has not been closed, a local database instance, a remote VM, or any other source that can be
+ * connected to. If a static container is used, the host and port must also be configured using the
+ * Builder's setHost() and setPort() methods, respectively.
+ */
+public abstract class TestContainerResourceManager<T extends GenericContainer<?>>
+    implements ResourceManager {
+  private static final Logger LOG = LoggerFactory.getLogger(TestContainerResourceManager.class);
+
+  protected static final String HOST_IP = TestProperties.hostIp();
+  private final T container;
+  private final boolean usingStaticContainer;
+  private final String host;
+  protected int port;
+
+  protected <B extends Builder<?>> TestContainerResourceManager(T container, B builder) {
+    this(container, builder, null);
+  }
+
+  protected <B extends Builder<?>> TestContainerResourceManager(
+      T container, B builder, @Nullable Callable<Void> setup) {
+    this.container = container;
+    this.usingStaticContainer = builder.useStaticContainer;
+    this.host = builder.host == null ? HOST_IP : builder.host;
+    this.port = builder.port;
+
+    if (setup != null) {
+      try {
+        setup.call();
+      } catch (Exception e) {
+        throw new TestContainerResourceManagerException("Error running setup function.", e);
+      }
+    }
+
+    if (!usingStaticContainer) {
+      container.start();
+    } else if (builder.host == null || builder.port < 0) {
+      throw new TestContainerResourceManagerException(
+          "This manager was configured to use a static resource, but the host and port were not properly set.");
+    }
+  }
+
+  protected String getDockerImageName() {
+    return container.getDockerImageName();
+  }
+
+  /**
+   * Returns the host that the resource is running on. If a host was specified in the builder, then
+   * this method will return that value. Otherwise, the host will default to localhost.
+   *
+   * @return the host that the resource is running on
+   */
+  public String getHost() {
+    return host;
+  }
+
+  /**
+   * Returns the port that the resource is actually mapped to on the host. When using a non-static
+   * resource, the TestContainers framework will map the resource port to a random port on the host.
+   * This method will return the mapped port that the resource traffic is routed through.
+   *
+   * <p>Note: When using a static container, the port that was specified in the builder will be
+   * returned regardless of what is passed into this method as a parameter.
+   *
+   * @param mappedPort the port the resource was configured to listen on
+   * @return the mapped port on the host
+   */
+  protected int getPort(int mappedPort) {
+    if (port < 0) {
+      return container.getMappedPort(mappedPort);
+    }
+    return port;
+  }
+
+  /**
+   * Deletes all created resources (VM's, etc.) and stops the container, making the manager object
+   * unusable.
+   *
+   * @throws TestContainerResourceManagerException if there is an error deleting the TestContainers
+   *     resources.
+   */
+  @Override
+  public void cleanupAll() throws TestContainerResourceManagerException {
+    if (usingStaticContainer) {
+      LOG.info("This manager was configured to use a static resource that will not be cleaned up.");
+      return;
+    }
+
+    LOG.info("Attempting to cleanup TestContainers manager.");
+    try {
+      container.close();
+      LOG.info("TestContainers manager successfully cleaned up.");
+    } catch (Exception e) {
+      throw new TestContainerResourceManagerException("Failed to close TestContainer resources", e);
+    }
+  }
+
+  /** Builder for {@link TestContainerResourceManager}. */
+  public abstract static class Builder<T extends TestContainerResourceManager<?>> {
+
+    public String testId;
+    public String containerImageName;
+    public String containerImageTag;
+    public @Nullable String host;
+    public int port;
+    public boolean useStaticContainer;
+
+    public Builder(String testId, String containerImageName, String containerImageTag) {
+      this.testId = testId;
+      this.containerImageName = containerImageName;
+      this.containerImageTag = containerImageTag;
+      this.host = null;
+      this.port = -1;
+    }
+
+    /**
+     * Sets the name of the test container image. The tag is typically the version of the image.
+     *
+     * @param containerName The name of the container image.
+     * @return this builder object with the image name set.
+     */
+    public Builder<T> setContainerImageName(String containerName) {
+      this.containerImageName = containerName;
+      return this;
+    }
+
+    /**
+     * Sets the tag for the test container. The tag is typically the version of the image.
+     *
+     * @param containerTag The tag to use for the container.
+     * @return this builder object with the tag set.
+     */
+    public Builder<T> setContainerImageTag(String containerTag) {
+      this.containerImageTag = containerTag;
+      return this;
+    }
+
+    /**
+     * Sets the host of the resource that the resource manager will connect to. This will default to
+     * localhost if not set.
+     *
+     * @param containerHost the resource host address.
+     * @return this builder object with the host set.
+     */
+    public Builder<T> setHost(String containerHost) {
+      this.host = containerHost;
+      return this;
+    }
+
+    /**
+     * Sets the port that the resource is hosted on.
+     *
+     * @param port the port the resource is hosted on.
+     * @return this builder object with the port set.
+     */
+    public Builder<T> setPort(int port) {
+      this.port = port;
+      return this;
+    }
+
+    /**
+     * Configures the resource manager to use a static resource instead of creating a new
+     * TestContainer instance of the resource. This can be another TestContainer or any other VM or
+     * server hosting the resource.
+     *
+     * <p>Note: When this option is enabled, the setPort() and setHost() methods must also be called
+     * to configure the static resource address.
+     *
+     * @return this builder object with the useStaticContainer option enabled.
+     */
+    public Builder<T> useStaticContainer() {
+      this.useStaticContainer = true;
+      return this;
+    }
+
+    /**
+     * Builds and returns a Resource Manager that extends TestContainerResourceManager.
+     *
+     * @return an instance of TestContainerResourceManager
+     */
+    public abstract T build();
+  }
+}

it/testcontainers/src/main/java/org/apache/beam/it/testcontainers/TestContainerResourceManagerException.java

@@ -0,0 +1,30 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.it.testcontainers;
+
+/** Custom exception for {@link TestContainerResourceManager} implementations. */
+public class TestContainerResourceManagerException extends RuntimeException {
+
+  public TestContainerResourceManagerException(String errorMessage) {
+    super(errorMessage);
+  }
+
+  public TestContainerResourceManagerException(String errorMessage, Exception cause) {
+    super(errorMessage, cause);
+  }
+}

it/testcontainers/src/main/java/org/apache/beam/it/testcontainers/TestContainersIntegrationTest.java

@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.it.testcontainers;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/** Annotation that marks the test that requires TestContainers. */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface TestContainersIntegrationTest {}

it/testcontainers/src/main/java/org/apache/beam/it/testcontainers/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/** Package for managing TestContainers resources within integration tests. */
+package org.apache.beam.it.testcontainers;