Add capacity buffers scalable objects, limits and fake pods injection

cluster-autoscaler/apis/capacitybuffer/autoscaling.x-k8s.io/v1/doc.go → cluster-autoscaler/apis/capacitybuffer/autoscaling.x-k8s.io/v1alpha1/doc.go

@@ -21,4 +21,4 @@ limitations under the License.
 // +k8s:prerelease-lifecycle-gen=true
 // +kubebuilder:object:generate=true
 
-package v1
+package v1alpha1

cluster-autoscaler/apis/capacitybuffer/autoscaling.x-k8s.io/v1/register.go → cluster-autoscaler/apis/capacitybuffer/autoscaling.x-k8s.io/v1alpha1/register.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package v1
+package v1alpha1
 
 import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -23,7 +23,7 @@ import (
 )
 
 // SchemeGroupVersion is group version used to register these objects
-var SchemeGroupVersion = schema.GroupVersion{Group: "autoscaling.x-k8s.io", Version: "v1"}
+var SchemeGroupVersion = schema.GroupVersion{Group: "autoscaling.x-k8s.io", Version: "v1alpha1"}
 
 // Resource takes an unqualified resource and returns a Group qualified GroupResource
 func Resource(resource string) schema.GroupResource {

cluster-autoscaler/apis/capacitybuffer/autoscaling.x-k8s.io/v1/types.go → cluster-autoscaler/apis/capacitybuffer/autoscaling.x-k8s.io/v1alpha1/types.go

@@ -18,10 +18,10 @@ limitations under the License.
 // +groupName=autoscaling.x-k8s.io
 // +k8s:protobuf-gen=package
 
-// Package v1 contains the v1 API for the autoscaling.x-k8s.io group.
+// Package v1alpha1 contains the v1alpha1 API for the autoscaling.x-k8s.io group.
 // This API group defines custom resources used by the Cluster Autoscaler
 // for managing buffer capacity.
-package v1
+package v1alpha1
 
 import (
 	"k8s.io/apimachinery/pkg/api/resource"
@@ -95,6 +95,8 @@ type ScalableRef struct {
 type ResourceList map[ResourceName]resource.Quantity
 
 // CapacityBufferSpec defines the desired state of CapacityBuffer.
+// +kubebuilder:validation:XValidation:rule="!has(self.podTemplateRef) || has(self.replicas) || has(self.limits)",message="If X is set, replicas or limits must also be set"
+// +kubebuilder:validation:XValidation:rule="!(has(self.podTemplateRef) && has(self.scalableRef))",message="You must define both PodTemplateRef and ScalableRef"
 type CapacityBufferSpec struct {
 	// ProvisioningStrategy defines how the buffer is utilized.
 	// "buffer.x-k8s.io/active-capacity" is the default strategy, where the buffer actively scales up the cluster by creating placeholder pods.
@@ -172,6 +174,9 @@ type CapacityBufferStatus struct {
 	// +listType=map
 	// +listMapKey=type
 	Conditions []metav1.Condition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,4,rep,name=conditions"`
+	// ProvisioningStrategy defines how the buffer should be utilized.
+	// +optional
+	ProvisioningStrategy *string `json:"provisioningStrategy,omitempty" protobuf:"bytes,5,opt,name=provisioningStrategy"`
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object