JCloudsOpenStack.java

import java.util.Set;
import java.lang.Thread.UncaughtExceptionHandler;

import org.jclouds.ContextBuilder;
import org.jclouds.compute.ComputeService;
import org.jclouds.compute.ComputeServiceContext;
import org.jclouds.compute.domain.ComputeMetadata;
import org.jclouds.openstack.nova.v2_0.features.ImageApi;
import org.jclouds.openstack.nova.v2_0.domain.Image;
import org.jclouds.rest.RestContext;
import org.jclouds.openstack.nova.v2_0.NovaApi;
import org.jclouds.openstack.nova.v2_0.NovaAsyncApi;
import org.jclouds.logging.slf4j.config.SLF4JLoggingModule;

import com.google.common.collect.ImmutableSet;
import com.google.common.collect.FluentIterable;
import com.google.inject.Module;

public class JCloudsOpenStack {
  private ComputeService compute;
  private RestContext<NovaApi, NovaAsyncApi> nova;
  private Set<String> zones;

  public static void main(String[] args) {
    JCloudsOpenStack jCloudsOpenStack = new JCloudsOpenStack();
    jCloudsOpenStack.init();
    jCloudsOpenStack.listImages();
    jCloudsOpenStack.close();
  }

  private void init() {
    Thread.setDefaultUncaughtExceptionHandler(new UncaughtExceptionHandler() {
      public void uncaughtException(Thread t, Throwable e) {
        if (compute != null) close();
        e.printStackTrace();
        System.exit(1);
      }
    });

    Iterable<Module> modules = ImmutableSet.<Module> of(
      new SLF4JLoggingModule());

    String provider = "openstack-nova";
    String identity = "demo:demo"; // tenantName:userName
    String password = "devstack";

    ComputeServiceContext context = ContextBuilder.newBuilder(provider)
      .credentials(identity, password)
      .endpoint("http://166.78.4.64:5000/v2.0/")
      .modules(modules)
      .buildView(ComputeServiceContext.class);
    compute = context.getComputeService();
    nova = context.unwrap();
    zones = nova.getApi().getConfiguredZones();
  }

  private void listImages() {
    for (String zone: zones) {
      ImageApi imageApi = nova.getApi().getImageApiForZone(zone);

      System.out.println("Calling listImages for " + zone + ":");
      
      FluentIterable<? extends Image> images = imageApi.listInDetail().concat();
    
      for (Image image: images) {
        System.out.println("\t" + image);
      }
    }
  }
  private void close() {
    compute.getContext().close();
  }
}