openstack4j

Identity

// V2 authentication
OSClientV2 os = OSFactory.builderV2()
                  .endpoint("http://127.0.0.1:5000/v2.0")
                  .credentials("admin","secret")
                  .tenantName("admin")
                  .authenticate();

// V3 authentication
OSClientV3 os = OSFactory.builderV3()
                  .endpoint("http://127.0.0.1:5000/v3")
                  .credentials("admin", "secret", Identifier.byName("Default"))
                  .scopeToProject(Identifier.byName("admin"))
                  .authenticate();

Compute

// Create a Server Model Object
Server server = Builders.server()
                        .name("Ubuntu 2")
                        .flavor("large")
                        .image("imageId")
                        .build();

// Boot the Server
Server server = os.compute().servers().boot(server);

// Create a Snapshot
os.compute().servers().createSnapshot("id", "name");

Image

// Create an Image
Image image = os.images().create(Builders.image()
                .name("Cirros 0.3.0 x64")
                .isPublic(true)
                .containerFormat(ContainerFormat.BARE)
                .diskFormat(DiskFormat.QCOW2)
                .build()
                ), Payloads.create(new File("cirros.img")));

Network

// Create a Port
Port port = os.networking().port()
              .create(Builders.port()
              .name("port1")
              .networkId("networkId")
              .fixedIp("52.51.1.253", "subnetId")
              .build());