Add a very hacky version of dockerizerJVM property

boost-common/src/main/java/io/openliberty/boost/common/docker/DockerBuildI.java

@@ -36,16 +36,16 @@ public abstract interface DockerBuildI extends AbstractDockerI {
 
     // Default methods
 
-    default public void dockerBuild(String dockerizer, DockerClient dockerClient, File projectDirectory,
-            File outputDirectory, String springBootVersion, boolean pullNewerImage, boolean noCache,
+    default public void dockerBuild(String dockerizer, String dockerizerJVM, DockerClient dockerClient, File projectDirectory,
+            File outputDirectory, String javaVersion, String springBootVersion, boolean pullNewerImage, boolean noCache,
             Map<String, String> buildArgs, String repository, String tag, DockerParameters params, BoostLoggerI log)
             throws BoostException {
         try {
             File appArchive = getAppArchive();
 
             // Create a Dockerfile for the application
-            SpringDockerizer springDockerizer = getDockerizer(dockerizer, projectDirectory, outputDirectory, appArchive,
-                    springBootVersion, params, log);
+            SpringDockerizer springDockerizer = getDockerizer(dockerizer, dockerizerJVM, projectDirectory, outputDirectory, appArchive,
+                    javaVersion, springBootVersion, params, log);
             springDockerizer.createDockerFile();
             springDockerizer.createDockerIgnore();
 
@@ -56,20 +56,37 @@ default public void dockerBuild(String dockerizer, DockerClient dockerClient, Fi
         }
     }
 
-    default public SpringDockerizer getDockerizer(String dockerizer, File projectDirectory, File outputDirectory,
-            File appArchive, String springBootVersion, DockerParameters params, BoostLoggerI log) {
+    default public SpringDockerizer getDockerizer(String dockerizer, String dockerizerJVM, File projectDirectory, File outputDirectory,
+            File appArchive, String javaVersion, String springBootVersion, DockerParameters params, BoostLoggerI log) {
+
+		// TODO: This is a bad ugly hack, need a real implementation!
+		// Things to be done:
+		// 1. Probably create an abstraction for the JVM type?
+		// 2. Definitely support more than just Java 8
+		if ("1.8".equalsIgnoreCase(javaVersion)) {
+			log.warn("Right now, boost dockerizer only supports Java 8");
+		}
+
+		// Set default to be openj9
+		String fromJVM = "FROM adoptopenjdk/openjdk8-openj9";
+		if ("graalvm".equalsIgnoreCase(dockerizerJVM)) {
+			fromJVM = "FROM oracle/graalvm-ce:1.0.0-rc9";
+		}
+		if ("hotspot".equalsIgnoreCase(dockerizerJVM)) {
+			fromJVM = "FROM openjdk:8-jdk-alpine";
+		}
 
         // TODO: Needed future enhancements:
         // 1. Is it Spring or something else? sense with
         // MavenProjectUtil.findSpringBootVersion(project);
         // 2. Use OpenJ9 or HotSpot? sense with property boost.docker.jvm
         if ("jar".equalsIgnoreCase(dockerizer)) {
             return new DockerizeSpringBootJar(projectDirectory, outputDirectory, appArchive, springBootVersion, params,
-                    log);
+                    log, fromJVM);
         }
         if ("classpath".equalsIgnoreCase(dockerizer)) {
             return new DockerizeSpringBootClasspath(projectDirectory, outputDirectory, appArchive, springBootVersion,
-                    params, log);
+                    params, log, fromJVM);
         }
         // TODO: Maybe don't make the Spring Boot dockerizer default after EE stuff is
         // added
@@ -78,7 +95,7 @@ default public SpringDockerizer getDockerizer(String dockerizer, File projectDir
         // generic so that they can be applied irrespective of the project type (Spring
         // vs EE)
         return new DockerizeLibertySpringBootJar(projectDirectory, outputDirectory, appArchive, springBootVersion,
-                params, log);
+                params, log, fromJVM);
     }
 
     /**

boost-common/src/main/java/io/openliberty/boost/common/docker/dockerizer/Dockerizer.java

@@ -35,12 +35,14 @@ public abstract class Dockerizer {
     protected final File outputDirectory;
     protected final File appArchive;
     protected final BoostLoggerI log;
+    protected final String fromJVM;
 
-    public Dockerizer(File projectDirectory, File outputDirectory, File appArchive, BoostLoggerI log) {
+    public Dockerizer(File projectDirectory, File outputDirectory, File appArchive, BoostLoggerI log, String fromJVM) {
         this.projectDirectory = projectDirectory;
         this.outputDirectory = outputDirectory;
         this.appArchive = appArchive;
         this.log = log;
+        this.fromJVM = fromJVM;
     }
 
     /**

boost-common/src/main/java/io/openliberty/boost/common/docker/dockerizer/spring/DockerizeLibertySpringBootJar.java

@@ -32,9 +32,10 @@ public class DockerizeLibertySpringBootJar extends SpringDockerizer {
     private static final String COPY = "COPY ";
     private static final String RUN = "RUN ";
 
+    // This does not actually use fromJVM right now
     public DockerizeLibertySpringBootJar(File projectDirectory, File outputDirectory, File appArchive,
-            String springBootVersion, DockerParameters params, BoostLoggerI log) {
-        super(projectDirectory, outputDirectory, appArchive, springBootVersion, params, log);
+            String springBootVersion, DockerParameters params, BoostLoggerI log, String fromJVM) {
+        super(projectDirectory, outputDirectory, appArchive, springBootVersion, params, log, fromJVM);
     }
 
     public Map<String, String> getBuildArgs() {

boost-common/src/main/java/io/openliberty/boost/common/docker/dockerizer/spring/DockerizeSpringBootClasspath.java

@@ -23,8 +23,8 @@
 public class DockerizeSpringBootClasspath extends SpringDockerizer {
 
     public DockerizeSpringBootClasspath(File projectDirectory, File outputDirectory, File appArchive,
-            String springBootVersion, DockerParameters params, BoostLoggerI log) {
-        super(projectDirectory, outputDirectory, appArchive, springBootVersion, params, log);
+            String springBootVersion, DockerParameters params, BoostLoggerI log, String fromJVM) {
+        super(projectDirectory, outputDirectory, appArchive, springBootVersion, params, log, fromJVM);
     }
 
     public Map<String, String> getBuildArgs() {
@@ -36,7 +36,7 @@ public Map<String, String> getBuildArgs() {
     public List<String> getDockerfileLines() throws BoostException {
         ArrayList<String> lines = new ArrayList<>();
         lines.add(BOOST_GEN);
-        lines.add("FROM adoptopenjdk/openjdk8-openj9");
+        lines.add(fromJVM);
         lines.add("VOLUME /tmp");
         lines.add("ARG DEPENDENCY=" + params.getDependencyFolder());
         lines.add("COPY ${DEPENDENCY}/BOOT-INF/lib /app/lib");

boost-common/src/main/java/io/openliberty/boost/common/docker/dockerizer/spring/DockerizeSpringBootJar.java

@@ -23,8 +23,8 @@
 public class DockerizeSpringBootJar extends SpringDockerizer {
 
     public DockerizeSpringBootJar(File projectDirectory, File outputDirectory, File appArchive,
-            String springBootVersion, DockerParameters params, BoostLoggerI log) {
-        super(projectDirectory, outputDirectory, appArchive, springBootVersion, params, log);
+            String springBootVersion, DockerParameters params, BoostLoggerI log, String fromJVM) {
+        super(projectDirectory, outputDirectory, appArchive, springBootVersion, params, log, fromJVM);
     }
 
     public Map<String, String> getBuildArgs() {
@@ -36,7 +36,7 @@ public Map<String, String> getBuildArgs() {
     public List<String> getDockerfileLines() throws BoostException {
         ArrayList<String> lines = new ArrayList<>();
         lines.add(BOOST_GEN);
-        lines.add("FROM adoptopenjdk/openjdk8-openj9");
+        lines.add(fromJVM);
         lines.add("VOLUME /tmp");
         lines.add("ARG JAR_FILE");
         lines.add("COPY ${JAR_FILE} app.jar");

boost-common/src/main/java/io/openliberty/boost/common/docker/dockerizer/spring/SpringDockerizer.java

@@ -32,8 +32,8 @@ public abstract class SpringDockerizer extends Dockerizer {
     public final String SPRING_BOOT_VERSION;
     public final DockerParameters params;
 
-    public SpringDockerizer(File projectDirectory, File outputDirectory, File appArchive, String springBootVersion, DockerParameters params, BoostLoggerI log) {
-        super(projectDirectory, outputDirectory, appArchive, log);
+    public SpringDockerizer(File projectDirectory, File outputDirectory, File appArchive, String springBootVersion, DockerParameters params, BoostLoggerI log, String fromJVM) {
+        super(projectDirectory, outputDirectory, appArchive, log, fromJVM);
         this.SPRING_BOOT_VERSION = springBootVersion;
         this.params = params;
     }

boost-maven/boost-maven-plugin/pom.xml

@@ -22,7 +22,7 @@
 		<dependency>
 			<groupId>io.openliberty.boost</groupId>
 			<artifactId>boost-common</artifactId>
-			<version>0.1.2</version>
+			<version>0.1.3-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>net.wasdev.wlp.maven.plugins</groupId>

boost-maven/boost-maven-plugin/src/main/java/io/openliberty/boost/maven/docker/DockerBuildMojo.java

@@ -90,18 +90,27 @@ public class DockerBuildMojo extends AbstractDockerMojo implements DockerBuildI
     private Map<String, String> buildArgs;
 
     /**
-     * Sets the type of docker build to run.
+     * Determine the type of Dockerfile to create.<br>
+     * Supported values are: liberty, jar, classpath
      */
     @Parameter(property = "dockerizer", defaultValue = "liberty")
     private String dockerizer;
 
+	/**
+	 * Determine the JVM to use in the Dockerfile to create.<br>
+	 * Supported values are: openj9, hotspot, graalvm
+	 */
+	@Parameter(property = "dockerizerJVM", defaultValue = "openj9")
+	private String dockerizerJVM;
+
     @Override
     public void execute(DockerClient dockerClient) throws BoostException {
         File projectDirectory = project.getBasedir();
         File outputDirectory = new File(project.getBuild().getDirectory());
+        String javaVersion = project.getProperties().getProperty("java.version", "1.8");
         String springBootVersion = MavenProjectUtil.findSpringBootVersion(project);
         DockerParameters params = new DockerParameters("target/dependency");
-        dockerBuild(dockerizer, dockerClient, projectDirectory, outputDirectory, springBootVersion, pullNewerImage,
+        dockerBuild(dockerizer, dockerizerJVM, dockerClient, projectDirectory, outputDirectory, javaVersion, springBootVersion, pullNewerImage,
                 noCache, buildArgs, repository, tag, params, BoostLogger.getInstance());
     }