feat: al2023 AMI Family

pkg/apis/crds/karpenter.k8s.aws_ec2nodeclasses.yaml

@@ -50,6 +50,7 @@ spec:
                 description: AMIFamily is the AMI family that instances use.
                 enum:
                 - AL2
+                - AL2023
                 - Bottlerocket
                 - Ubuntu
                 - Custom

pkg/apis/v1beta1/ec2nodeclass.go

@@ -48,7 +48,7 @@ type EC2NodeClassSpec struct {
 	// +optional
 	AMISelectorTerms []AMISelectorTerm `json:"amiSelectorTerms,omitempty" hash:"ignore"`
 	// AMIFamily is the AMI family that instances use.
-	// +kubebuilder:validation:Enum:={AL2,Bottlerocket,Ubuntu,Custom,Windows2019,Windows2022}
+	// +kubebuilder:validation:Enum:={AL2,AL2023,Bottlerocket,Ubuntu,Custom,Windows2019,Windows2022}
 	// +required
 	AMIFamily *string `json:"amiFamily"`
 	// UserData to be applied to the provisioned nodes.

pkg/apis/v1beta1/labels.go

@@ -73,6 +73,7 @@ var (
 	}
 	AMIFamilyBottlerocket                      = "Bottlerocket"
 	AMIFamilyAL2                               = "AL2"
+	AMIFamilyAL2023                            = "AL2023"
 	AMIFamilyUbuntu                            = "Ubuntu"
 	AMIFamilyWindows2019                       = "Windows2019"
 	AMIFamilyWindows2022                       = "Windows2022"

pkg/providers/amifamily/al2023.go

@@ -0,0 +1,62 @@
+/*
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package amifamily
+
+import (
+	"github.com/samber/lo"
+	v1 "k8s.io/api/core/v1"
+	corev1beta1 "sigs.k8s.io/karpenter/pkg/apis/v1beta1"
+	"sigs.k8s.io/karpenter/pkg/cloudprovider"
+
+	"github.com/aws/karpenter-provider-aws/pkg/apis/v1beta1"
+	"github.com/aws/karpenter-provider-aws/pkg/providers/amifamily/bootstrap"
+)
+
+type AL2023 struct {
+	DefaultFamily
+	*Options
+}
+
+func (a AL2023) DefaultAMIs(version string) []DefaultAMIOutput {
+	// TODO: SSM parameters not yet available
+	return []DefaultAMIOutput{}
+}
+
+func (a AL2023) UserData(kubeletConfig *corev1beta1.KubeletConfiguration, taints []v1.Taint, labels map[string]string, caBundle *string, _ []*cloudprovider.InstanceType, customUserData *string, _ *v1beta1.InstanceStorePolicy) bootstrap.Bootstrapper {
+	return bootstrap.Nodeadm{
+		Options: bootstrap.Options{
+			ClusterName:     a.Options.ClusterName,
+			ClusterEndpoint: a.Options.ClusterEndpoint,
+			ClusterCIDR:     a.Options.ClusterCIDR,
+			KubeletConfig:   kubeletConfig,
+			Taints:          taints,
+			Labels:          labels,
+			CABundle:        caBundle,
+			CustomUserData:  customUserData,
+		},
+	}
+}
+
+// DefaultBlockDeviceMappings returns the default block device mappings for the AMI Family
+func (a AL2023) DefaultBlockDeviceMappings() []*v1beta1.BlockDeviceMapping {
+	return []*v1beta1.BlockDeviceMapping{{
+		DeviceName: a.EphemeralBlockDevice(),
+		EBS:        &DefaultEBS,
+	}}
+}
+
+func (a AL2023) EphemeralBlockDevice() *string {
+	return lo.ToPtr("/dev/xvda")
+}

pkg/providers/amifamily/resolver.go

@@ -176,6 +176,8 @@ func GetAMIFamily(amiFamily *string, options *Options) AMIFamily {
 		return &Windows{Options: options, Version: v1beta1.Windows2022, Build: v1beta1.Windows2022Build}
 	case v1beta1.AMIFamilyCustom:
 		return &Custom{Options: options}
+	case v1beta1.AMIFamilyAL2023:
+		return &AL2023{Options: options}
 	default:
 		return &AL2{Options: options}
 	}