drop: rudimentary v1beta1 API support

pkg/apis/v1beta1/ec2nodeclass.go

@@ -16,7 +16,9 @@ package v1beta1
 
 import (
 	"fmt"
+	"strings"
 
+	"github.com/aws/karpenter-provider-aws/pkg/apis/v1beta1"
 	"github.com/mitchellh/hashstructure/v2"
 	"github.com/samber/lo"
 	"k8s.io/apimachinery/pkg/api/resource"
@@ -155,6 +157,8 @@ type SecurityGroupSelectorTerm struct {
 // AMISelectorTerm defines selection logic for an ami used by Karpenter to launch nodes.
 // If multiple fields are used for selection, the requirements are ANDed.
 type AMISelectorTerm struct {
+	// +optional
+	Alias string `json:"alias,omitempty"`
 	// Tags is a map of key/value tags used to select subnets
 	// Specifying '*' for a value selects all values for a given tag key.
 	// +kubebuilder:validation:XValidation:message="empty tag keys or values aren't supported",rule="self.all(k, k != '' && self[k] != '')"
@@ -362,6 +366,35 @@ func (in *EC2NodeClass) InstanceProfileTags(clusterName string) map[string]strin
 	})
 }
 
+func (in *EC2NodeClass) AMIFamily() string {
+	if term, ok := lo.Find(in.Spec.AMISelectorTerms, func(t AMISelectorTerm) bool {
+		return t.Alias != ""
+	}); ok {
+		switch strings.Split(term.Alias, "@")[0] {
+		case "al2":
+			return AMIFamilyAL2
+		case "al2023":
+			return AMIFamilyAL2023
+		case "bottlerocket":
+			return AMIFamilyBottlerocket
+		case "windows2019":
+			return AMIFamilyWindows2019
+		case "windows2022":
+			return AMIFamilyWindows2022
+		}
+	}
+	return AMIFamilyCustom
+}
+
+func (in *EC2NodeClass) AMIVersion() string {
+	if term, ok := lo.Find(in.Spec.AMISelectorTerms, func(t AMISelectorTerm) bool {
+		return t.Alias != ""
+	}); ok {
+		return strings.Split(term.Alias, "@")[1]
+	}
+	return ""
+}
+
 // EC2NodeClassList contains a list of EC2NodeClass
 // +kubebuilder:object:root=true
 type EC2NodeClassList struct {