@Override
public void init() {
sensors().set(Attributes.HOSTNAME, "localhost");
sensors()
.set(
UsesJmx.JMX_PORT,
LocalhostMachineProvisioningLocation.obtainPort(
PortRanges.fromString(
// just doing "40123+" was not enough to avoid collisions (on 40125),
// observed on jenkins, not sure why but
// maybe something else had a UDP connection we weren't detected,
// or the static lock our localhost uses was being bypassed;
// this should improve things (2016-01)
NetworkingTestUtils.randomPortAround(40000) + "+")));
// only supports no-agent, at the moment
config().set(UsesJmx.JMX_AGENT_MODE, JmxAgentModes.NONE);
sensors().set(UsesJmx.RMI_REGISTRY_PORT, -1); // -1 means to use the JMX_PORT only
ConfigToAttributes.apply(this, UsesJmx.JMX_CONTEXT);
}
@Catalog(
name = "Global Web Fabric",
description = "Deploys a WAR to multiple clusters, showing how Brooklyn fabrics work",
iconUrl = "classpath://brooklyn/demo/glossy-3d-blue-web-icon.png")
public class GlobalWebFabricExample extends AbstractApplication {
public static final Logger log = LoggerFactory.getLogger(GlobalWebFabricExample.class);
static final List<String> DEFAULT_LOCATIONS =
ImmutableList.of("aws-ec2:eu-west-1", "aws-ec2:ap-southeast-1", "aws-ec2:us-west-1");
public static final String DEFAULT_WAR_PATH =
ResourceUtils.create(GlobalWebFabricExample.class)
// take this war, from the classpath, or via maven if not on the classpath
.firstAvailableUrl(
"classpath://hello-world-webapp.war",
BrooklynMavenArtifacts.localUrl(
"example", "brooklyn-example-hello-world-webapp", "war"))
.or("classpath://hello-world-webapp.war");
@CatalogConfig(label = "WAR (URL)", priority = 2)
public static final ConfigKey<String> WAR_PATH =
ConfigKeys.newConfigKey(
"app.war", "URL to the application archive which should be deployed", DEFAULT_WAR_PATH);
// load-balancer instances must run on some port to work with GeoDNS, port 80 to work without
// special, so make that default
// (but included here in case it runs on a different port on all machines, or use a range to work
// with multiple localhosts)
@CatalogConfig(label = "Proxy server HTTP port")
public static final PortAttributeSensorAndConfigKey PROXY_HTTP_PORT =
new PortAttributeSensorAndConfigKey(
AbstractController.PROXY_HTTP_PORT, PortRanges.fromInteger(80));
@Override
public void initApp() {
StringConfigMap config = getManagementContext().getConfig();
GeoscalingDnsService geoDns =
addChild(
EntitySpec.create(GeoscalingDnsService.class)
.displayName("GeoScaling DNS")
.configure(
"username",
checkNotNull(config.getFirst("brooklyn.geoscaling.username"), "username"))
.configure(
"password",
checkNotNull(config.getFirst("brooklyn.geoscaling.password"), "password"))
.configure(
"primaryDomainName",
checkNotNull(
config.getFirst("brooklyn.geoscaling.primaryDomain"), "primaryDomain"))
.configure("smartSubdomainName", "brooklyn"));
DynamicRegionsFabric webFabric =
addChild(
EntitySpec.create(DynamicRegionsFabric.class)
.displayName("Web Fabric")
.configure(DynamicRegionsFabric.FACTORY, new ElasticJavaWebAppService.Factory())
// specify the WAR file to use
.configure(
JavaWebAppService.ROOT_WAR, Entities.getRequiredUrlConfig(this, WAR_PATH)));
// tell GeoDNS what to monitor
geoDns.setTargetEntityProvider(webFabric);
}
public static void main(String[] argv) {
List<String> args = Lists.newArrayList(argv);
String port = CommandLineUtil.getCommandLineOption(args, "--port", "8081+");
String locations =
CommandLineUtil.getCommandLineOption(
args, "--locations", Joiner.on(",").join(DEFAULT_LOCATIONS));
BrooklynLauncher launcher =
BrooklynLauncher.newInstance()
.application(
EntitySpec.create(StartableApplication.class, GlobalWebFabricExample.class)
.displayName("Brooklyn Global Web Fabric Example"))
.webconsolePort(port)
.locations(Arrays.asList(locations))
.start();
Entities.dumpInfo(launcher.getApplications());
}
}