// retrieves the uuid of the appliance vm to create a unique vsphere extension name func (d *Dispatcher) GenerateExtensionName(conf *metadata.VirtualContainerHostConfigSpec) error { defer trace.End(trace.Begin(conf.ExtensionName)) // must be called after appliance VM is created vm, err := d.findAppliance(conf) if err != nil { return errors.Errorf("Could not find appliance at extension creation time; failed with error: %s", err) } var o mo.VirtualMachine err = vm.Properties(d.ctx, vm.Reference(), []string{"config.uuid"}, &o) if err != nil { return errors.Errorf("Could not get VM UUID from appliance VM due to error: %s", err) } conf.ExtensionName = "com.vmware.vic." + o.Config.Uuid return nil }