Detach bug fix

pkg/cloudprovider/providers/vsphere/vsphere.go

@@ -780,6 +780,11 @@ func (vs *VSphere) DetachDisk(volPath string, nodeName k8stypes.NodeName) error
 		defer cancel()
 		vsi, err := vs.getVSphereInstance(nodeName)
 		if err != nil {
+			// If node doesn't exist, disk is already detached from node.
+			if err == vclib.ErrNoVMFound {
+				glog.Infof("Node %q does not exist, disk %s is already detached from node.", convertToString(nodeName), volPath)
+				return nil
+			}
 			return err
 		}
 		// Ensure client is logged in and session is valid