CdhManagementSnippet.java

           BrooklynServerDetails details = BrooklynLauncher.newLauncher().
                // to add a custom webapp
                webapp("/cdh", "classpath://brooklyn-cdh-frontend.war").
                webconsolePort(CommandLineUtil.getCommandLineOption(args, "--port", "8081+")).
                launch();
            
            // then things below linked to buttons / etc in app
                
            // get the mgmt context (and also the webconsole URL) from this details container
            ManagementContext mgmt;
            mgmt = details.getManagementContext();
            
            // or in a webapp access it as:
//            javax.servlet.ServletContext ctx = null;  // get the javax.servlet.ServletContext
//            mgmt = ctx.getAttribute(BrooklynServiceAttributes.BROOKLYN_MANAGEMENT_CONTEXT);
            
            String cloudCode = "aws-ec2";   // jclouds name of cloud (these are available programmatically)
            String cloudSpecifier = "us-west-1";   // location, or endpoint in the case of openstack, vcloud, etc 
            String cloudName = cloudCode+":"+cloudSpecifier;
            
            // to set cloud credentials (needed to roll-out the application)
            ((BrooklynProperties)mgmt.getConfig()).put("brooklyn.jclouds."+cloudCode+".identity", "IDENTITY");
            ((BrooklynProperties)mgmt.getConfig()).put("brooklyn.jclouds."+cloudCode+".credential", "CREDENTIAL");

            // another way to set cloud credentials:
            // for more info (including fixed machines) see:
            // https://github.com/brooklyncentral/brooklyn/blob/master/docs/use/guide/defining-applications/common-usage.md#off-the-shelf-locations
            String namedLocation = "locationForApp1";
            ((BrooklynProperties)mgmt.getConfig()).putAll([
                ("brooklyn.location.named."+namedLocation): "jclouds:"+cloudName,
                ("brooklyn.location.named."+namedLocation+".identity"): "MyID",
                ("brooklyn.location.named."+namedLocation+".credential"): "MyCredential",
                // can also set advanced properties, e.g. private key file to use, passphrase on private key,
                // minRam, or imageId to use a specific VM image
                ("brooklyn.location.named."+namedLocation+".minRam"): 2048,
                // (BTW you may want to generate a private key file to use, in case users don't have one set up)
                ]);
            
            SampleClouderaManagedCluster app1 = new SampleClouderaManagedCluster(name:'Brooklyn Cloudera Managed Cluster');
            details.getManagementContext().manage(app1);

            SampleClouderaManagedCluster app2 = new SampleClouderaManagedCluster(name:'Brooklyn Cloudera Managed Cluster');
            details.getManagementContext().manage(app2);

            List<Location> locations = new LocationRegistry().getLocationsById([
                cloudName
                // or:
//                "named:"+namedLocation
            ]);
            
            // to start app (NB this call is synchronous, takes about 10m to return)
            app1.start(locations);
            // meanwhile to track events / give feedback
            // - could capture log info (add log4j listener)
            // - plug in to BasicExecutionManager API
            // - could annotate classes to provide specific info (your own listener)

            // to find out the CDH endpoint
            System.out.println("CDH Manager running at: "+app1.whirrCM.getAttribute(WhirrClusterManager.CLOUDERA_MANAGER_URL);
                        
            // to collect metrics (again, synchronous)
            String directory = app1.services.collectMetrics();
            System.out.println("Metrics stored in: "+directory);

            // to stop:
            app1.stop();            

            // can also start multiple apps...            
//            app2.start(locations);