Maven setup for integration testing with DynamoDB

0test.log

[INFO] --- download-maven-plugin:1.2.1:wget (install-dynamodb_local) @ app ---
[INFO] Got from cache: /home/carl/.m2/repository/.cache/maven-download-plugin/dynamodb_local_latest.zip
[INFO]
[INFO] --- process-exec-maven-plugin:0.7:start (dynamodb_local) @ app ---
[INFO] arg: java
[INFO] arg: -Djava.library.path=dynamodb/DynamoDBLocal_lib
[INFO] arg: -jar
[INFO] arg: dynamodb/DynamoDBLocal.jar
[INFO] arg: -port
[INFO] arg: 53351
[INFO] arg: -sharedDb
[INFO] arg: -inMemory
[INFO] Full command line: java -Djava.library.path=dynamodb/DynamoDBLocal_lib -jar dynamodb/DynamoDBLocal.jar -port 53351 -sharedDb -inMemory
[INFO] Starting process: dynamodb_local
[INFO] Using working directory for this process: /home/carl/src/app/target
[INFO] Initializing DynamoDB Local with the following configuration:
[INFO] Port:	53351
[INFO] InMemory:	true
[INFO] DbPath:	null
[INFO] SharedDb:	true
[INFO] shouldDelayTransientStatuses:	false
[INFO] CorsParams:	*
[INFO]
[INFO] Started process: dynamodb_local
[INFO]
[INFO] --- maven-failsafe-plugin:2.18.1:integration-test (integration-test) @ app ---
[INFO] Failsafe report directory: /home/carl/src/app/target/failsafe-reports

1pom.xml

<project>
  <!-- ... -->
  <properties>
    <!--
    Choose the region that is closest to you for fastest download.
    -->
    <aws.s3.region>us-west-2</aws.s3.region>
  </properties>
  
  <build>
    <plugins>
      <!--
      Step 1: Downlaod the DynamoDB Local artifact.
        This will download to a Maven cache on disk and is kept until
        the cache is cleared.  The artifact is unpacked to the target
        directory of the build.
      -->
      <plugin>
        <groupId>com.googlecode.maven-download-plugin</groupId>
        <artifactId>download-maven-plugin</artifactId>
        <version>1.2.1</version>
        <executions>
          <execution>
            <id>install-dynamodb_local</id>
            <phase>pre-integration-test</phase>
            <goals>
              <goal>wget</goal>
            </goals>
            <configuration>
              <url>http://dynamodb-local.s3-website-${aws.s3.region}.amazonaws.com/dynamodb_local_latest.zip</url>
              <unpack>true</unpack>
              <outputDirectory>${project.build.directory}/dynamodb</outputDirectory>
            </configuration>
          </execution>
        </executions>
      </plugin>

      <!--
      Step 2: Reserve a local port for Dynamo to start on.
        DynamoDB_Local normally runs on port 8000.  Rather than hoping
        that port is open, have this plugin reserve an available port
        and set it as a property in the Maven build.
      -->
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>build-helper-maven-plugin</artifactId>
        <version>1.9.1</version>
        <executions>
          <execution>
            <goals>
              <goal>reserve-network-port</goal>
            </goals>
            <phase>initialize</phase>
            <configuration>
              <portNames>
                <portName>dynamodblocal.port</portName>
              </portNames>
            </configuration>
          </execution>
        </executions>
      </plugin>

      <!--
      Step 3: Start DynamoDB_Local just before integration tests are run.
        This plugin will also cleanup the process during the
        post-integration-test phase.
      -->
      <plugin>
        <groupId>com.bazaarvoice.maven.plugins</groupId>
        <artifactId>process-exec-maven-plugin</artifactId>
        <version>0.7</version>
        <executions>
          <execution>
            <id>dynamodb_local</id>
            <phase>pre-integration-test</phase>
            <goals>
              <goal>start</goal>
            </goals>
            <configuration>
              <name>dynamodb_local</name>
              <!--
              We need to let DynamoDB finish starting, but don't have
              a good semamore.  It's pretty quick to start, so 1 second
              should suffice.
              -->
              <waitAfterLaunch>1</waitAfterLaunch>
              <arguments>
                <argument>java</argument>
                <argument>-Djava.library.path=dynamodb/DynamoDBLocal_lib</argument>
                <argument>-jar</argument>
                <argument>dynamodb/DynamoDBLocal.jar</argument>
                <!--
                Use the port that was reserved in step 2
                -->
                <argument>-port</argument>
                <argument>${dynamodblocal.port}</argument>
                <!--
                You run your tests in parallel, right?
                -->
                <argument>-sharedDb</argument>
                <!--
                Remove this to keep data between restarts of the process.
                -->
                <argument>-inMemory</argument>
              </arguments>
            </configuration>
          </execution>
        </executions>
      </plugin>

      <!--
      Step 4: Use the failsafe plugin to run integration tests.
        https://maven.apache.org/surefire/maven-failsafe-plugin/
      -->
      <plugin>
        <groupId>org.apache.maven.plugins </groupId>
        <artifactId>maven-failsafe-plugin</artifactId>
        <version>2.19</version>
        <configuration>
          <systemPropertyVariables>
            <!--
            Set a system property for the test clients to use when connecting.
            Something like Apache's commons-configuration can pick this up
            transparently.
            -->
            <dynamo.endpoint>http://localhost:${dynamodblocal.port}</dynamo.endpoint>
          </systemPropertyVariables>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>