Add support for EKS 1.30

pkg/k8sutil/storageclass.go

@@ -0,0 +1,25 @@
+package k8sutil
+
+import (
+	"context"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// GetStorageClassName returns the name of the storage class in the cluster.
+// If there is more than one storage class or an error occurs, nil is returned so that the default storage class is used.
+// This is needed for EKS 1.30+ clusters where the default is that no storage class is default.
+func GetStorageClassName() *string {
+	clientset, err := GetClientset()
+	if err != nil {
+		return nil
+	}
+	storageClasses, err := clientset.StorageV1().StorageClasses().List(context.TODO(), metav1.ListOptions{})
+	if err != nil {
+		return nil
+	}
+	if len(storageClasses.Items) != 1 {
+		return nil
+	}
+	return &storageClasses.Items[0].Name
+}

pkg/kotsadm/objects/kotsadm_objects.go

@@ -1165,6 +1165,7 @@ func KotsadmStatefulSet(deployOptions types.DeployOptions, size resource.Quantit
 						Labels: types.GetKotsadmLabels(),
 					},
 					Spec: corev1.PersistentVolumeClaimSpec{
+						StorageClassName: k8sutil.GetStorageClassName(),
 						AccessModes: []corev1.PersistentVolumeAccessMode{
 							corev1.ReadWriteOnce,
 						},

pkg/kotsadm/objects/minio_objects.go

@@ -103,6 +103,7 @@ func MinioStatefulset(deployOptions types.DeployOptions, size resource.Quantity)
 						Labels: types.GetKotsadmLabels(),
 					},
 					Spec: corev1.PersistentVolumeClaimSpec{
+						StorageClassName: k8sutil.GetStorageClassName(),
 						AccessModes: []corev1.PersistentVolumeAccessMode{
 							corev1.ReadWriteOnce,
 						},

pkg/kotsadm/objects/rqlite_objects.go

@@ -70,6 +70,7 @@ func RqliteStatefulset(deployOptions types.DeployOptions, size resource.Quantity
 						Labels: types.GetKotsadmLabels(),
 					},
 					Spec: corev1.PersistentVolumeClaimSpec{
+						StorageClassName: k8sutil.GetStorageClassName(),
 						AccessModes: []corev1.PersistentVolumeAccessMode{
 							corev1.ReadWriteOnce,
 						},