Extend OpenStackMachineTemplate.status api

Extend OpenStackMachineTemplate.status api with required
field for autoscaling from zero.
Note: Cpu architecture is not added as there are no standardized
      settings on openstack where we can retrieve this info

Author: nikParasyr

Makefile

@@ -333,6 +333,7 @@ generate-codegen: generate-controller-gen $(OPENAPI_GEN) $(APPLYCONFIGURATION_GE
 		k8s.io/api/core/v1 \
 		k8s.io/apimachinery/pkg/apis/meta/v1 \
 		k8s.io/apimachinery/pkg/runtime \
+		k8s.io/apimachinery/pkg/api/resource \
 		k8s.io/apimachinery/pkg/version
 	@echo "** Generating openapi.json **"
 	go run ./cmd/models-schema | jq > ./openapi.json

api/v1beta1/openstackmachinetemplate_types.go

@@ -17,6 +17,7 @@ limitations under the License.
 package v1beta1
 
 import (
+	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
@@ -25,6 +26,26 @@ type OpenStackMachineTemplateSpec struct {
 	Template OpenStackMachineTemplateResource `json:"template"`
 }
 
+// OpenStackMachineTemplateStatus defines the observed state of OpenStackMachineTemplate.
+type OpenStackMachineTemplateStatus struct {
+	// Capacity defines the resource capacity for this machine.
+	// This value is used for autoscaling from zero operations as defined in:
+	// https://github.com/kubernetes-sigs/cluster-api/blob/main/docs/proposals/20210310-opt-in-autoscaling-from-zero.md
+	// +optional
+	Capacity corev1.ResourceList `json:"capacity,omitempty"`
+	// +optional
+	NodeInfo NodeInfo `json:"nodeInfo,omitempty,omitzero"`
+}
+
+// NodeInfo contains information about the node's architecture and operating system.
+// +kubebuilder:validation:MinProperties=1
+type NodeInfo struct {
+	// operatingSystem is a string representing the operating system of the node.
+	// This may be a string like 'linux' or 'windows'.
+	// +optional
+	OperatingSystem string `json:"operatingSystem,omitempty"`
+}
+
 // +genclient
 // +kubebuilder:object:root=true
 // +kubebuilder:storageversion
@@ -35,7 +56,8 @@ type OpenStackMachineTemplate struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty"`
 
-	Spec OpenStackMachineTemplateSpec `json:"spec,omitempty"`
+	Spec   OpenStackMachineTemplateSpec   `json:"spec,omitempty"`
+	Status OpenStackMachineTemplateStatus `json:"status,omitempty"`
 }
 
 // +kubebuilder:object:root=true

api/v1beta1/zz_generated.deepcopy.go

@@ -73,6 +73,12 @@ API rule violation: names_match,k8s.io/api/core/v1,RBDVolumeSource,RBDPool
 API rule violation: names_match,k8s.io/api/core/v1,RBDVolumeSource,RadosUser
 API rule violation: names_match,k8s.io/api/core/v1,VolumeSource,CephFS
 API rule violation: names_match,k8s.io/api/core/v1,VolumeSource,StorageOS
+API rule violation: names_match,k8s.io/apimachinery/pkg/api/resource,Quantity,Format
+API rule violation: names_match,k8s.io/apimachinery/pkg/api/resource,Quantity,d
+API rule violation: names_match,k8s.io/apimachinery/pkg/api/resource,Quantity,i
+API rule violation: names_match,k8s.io/apimachinery/pkg/api/resource,Quantity,s
+API rule violation: names_match,k8s.io/apimachinery/pkg/api/resource,int64Amount,scale
+API rule violation: names_match,k8s.io/apimachinery/pkg/api/resource,int64Amount,value
 API rule violation: names_match,k8s.io/apimachinery/pkg/apis/meta/v1,APIResourceList,APIResources
 API rule violation: names_match,k8s.io/apimachinery/pkg/apis/meta/v1,Duration,Duration
 API rule violation: names_match,k8s.io/apimachinery/pkg/apis/meta/v1,InternalEvent,Object