Leveraging the Guest Script Manager package
Running commands or scripts in VM guest is something that has been done with vCO for quite a while using different mechanisms. A popular way was to use the VIX plug-in for vCO. This plug-in is not needed anymore since the VIX functionality is part of the vCenter API since vCenter 5.0 and there are guest operations workflows to copy a script and run it into a VM guest OS since vCO 5.