returns a random host belonging to that cluster (VMware vRO action)

getClustersHost.js

// VMware vRealize Orchestrator action sample
// vRA 8.4
//action input type: cluster (string, Enter the cluster entry so that the host can be selected)
//action return type: VC:HostSystem



// this code below gets all clusters
var clusters =VcPlugin.getAllClusterComputeResources();

// this code below gets all hosts
var hosts = VcPlugin.getAllHostSystems();

var list=new Array();

//this loop is to check all clusters
for (i in clusters){
    if (cluster==clusters[i].name){
       for(j in hosts){
           for(var y=0 ; y< clusters[i].host.length;y++){
               //System.log(y+" :"+ clusters[i].host[y].name)
                if(hosts[j].name==clusters[i].host[y].name){
                    list.push(hosts[j]);
                }
            }
       }
    }
    
}
var randomHost=list[Math.floor(Math.random() * list.length)];
System.log("Get cluster's host action finished. this action returns a random host belonging to that cluster. Host: "+randomHost.name)

return randomHost;