Get the Cluster of a vCenter VM

getClusterComputeResourceOfVm.js

// VMware vRealize Orchestrator action sample
//
// Returns the cluster of a given vCenter VM
// 
// For vRO 7.0+/vCenter 6.0+
//
// Action Inputs:
// vm - VC:VirtualMachine - vCenter VM
//
// Return type: VC:ClusterComputeResoure - the cluster to which the VM belongs

var parent = vm.runtime.host;
while (parent !== null && ! (parent instanceof VcClusterComputeResource)) {
	parent = parent.parent;
}
System.log("VcClusterComputeResource of VM: " + parent.name);

return parent;