capacity-resevation requries efa

kubetest2/internal/deployers/eksapi/deployer.go

@@ -54,7 +54,7 @@ type deployerOptions struct {
 	Addons                      []string      `flag:"addons" desc:"Managed addons (name:version pairs) to create in the cluster. Use 'latest' for the most recent version, or 'default' for the default version."`
 	AMI                         string        `flag:"ami" desc:"AMI for unmanaged nodes"`
 	AMIType                     string        `flag:"ami-type" desc:"AMI type for managed nodes"`
-	CapacityReservation         bool          `flag:"capacity-reservation" desc:"Use capacity reservation for the unmanaged nodegroup"`
+	CapacityReservation         bool          `flag:"capacity-reservation" desc:"Use capacity reservation for the efa unmanaged nodegroup. Requires --efa"`
 	ClusterRoleServicePrincipal string        `flag:"cluster-role-service-principal" desc:"Additional service principal that can assume the cluster role"`
 	EFA                         bool          `flag:"efa" desc:"Create EFA interfaces on the node of an unmanaged nodegroup. Requires --unmanaged-nodes."`
 	EKSEndpointURL              string        `flag:"endpoint-url" desc:"Endpoint URL for the EKS API"`
@@ -245,6 +245,10 @@ func (d *deployer) verifyUpFlags() error {
 			d.UserDataFormat = "bootstrap.sh"
 			klog.V(2).Infof("Using default user data format: %s", d.UserDataFormat)
 		}
+		if d.CapacityReservation && !d.EFA{
+			//For now the reserved capacity are all for efa device, may extend when non-efa instance introduced
+			return fmt.Errorf("--capacity-reservation requires --efa flag")
+		}
 		if d.EFA && len(d.InstanceTypes) != 1 {
 			return fmt.Errorf("--efa requires a single instance type")
 		}