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Merged
stuartwdouglas merged 1 commit into from
Jul 27, 2018
Merged

Make it possible to use docker to build native images #2

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30 changes: 30 additions & 0 deletions docker/graalvm-native-image/Dockerfile
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FROM ubuntu:18.04

ARG GRAAL_VERSION
ENV GRAAL_VERSION=${GRAAL_VERSION:-1.0.0-rc4}
ENV GRAAL_CE_URL=https://github.com/oracle/graal/releases/download/vm-${GRAAL_VERSION}/graalvm-ce-${GRAAL_VERSION}-linux-amd64.tar.gz

# Update system and install tools
RUN apt-get update && \
apt-get install -y wget tar gzip gcc libc6-dev zlib1g-dev

# Download and extract graalvm in tmp dir
RUN cd /tmp
RUN wget -q $GRAAL_CE_URL -O graalvm-ce-linux-amd64.tar.gz
RUN tar -xvzf graalvm-ce-linux-amd64.tar.gz

# Move extracted graalvm to /opt and cleanup
RUN mkdir -p /opt/graalvm
RUN mv graalvm-ce-${GRAAL_VERSION} /opt/graalvm
RUN rm graalvm-ce-linux-amd64.tar.gz

RUN apt-get clean

ENV JAVA_HOME=/opt/graalvm/graalvm-ce-${GRAAL_VERSION}
ENV PATH=$PATH:$JAVA_HOME/bin
ENV GRAALVM_HOME=/opt/graalvm/graalvm-ce-${GRAAL_VERSION}

VOLUME /project
WORKDIR /project

ENTRYPOINT ["native-image"]
11 changes: 11 additions & 0 deletions docker/graalvm-native-image/README.md
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# Build

```bash
docker build -t protean/graalvm-native-image:latest .
```

# Run

```bash
docker run -it -v /path/to/protean/arc:/project --rm protean/graalvm-native-image -jar example/target/arc-example-shaded.jar
```
20 changes: 14 additions & 6 deletions maven/src/main/java/org/jboss/shamrock/maven/NativeImageMojo.java
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import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
Expand Down Expand Up @@ -43,15 +43,23 @@ public class NativeImageMojo extends AbstractMojo {
@Override
public void execute() throws MojoExecutionException, MojoFailureException {

String graal = System.getenv("GRAALVM_HOME");
if (graal == null) {
throw new MojoFailureException("GRAALVM_HOME was not set");
List<String> nativeImage;
String graalvmCmd = System.getenv("GRAALVM_NATIVE_IMAGE_CMD");
if (graalvmCmd != null) {
// E.g. "/usr/bin/docker run -v {{PROJECT_DIR}}:/project --rm protean/graalvm-native-image"
nativeImage = new ArrayList<>();
Collections.addAll(nativeImage, graalvmCmd.replace("{{PROJECT_DIR}}", outputDirectory.getAbsolutePath()).split(" "));
} else {
String graalvmHome = System.getenv("GRAALVM_HOME");
if (graalvmHome == null) {
throw new MojoFailureException("GRAALVM_HOME was not set");
}
nativeImage = Collections.singletonList(graalvmHome + File.separator + "bin" + File.separator + "native-image");
}
String nativeImage = graal + File.separator + "bin" + File.separator + "native-image";

try {
List<String> command = new ArrayList<>();
command.add(nativeImage);
command.addAll(nativeImage);
command.add("--no-server");
command.add("-jar");
command.add(finalName + "-runner.jar");
Expand Down