Remove support for Weave as of k8s 1.23

docs/networking.md

@@ -25,7 +25,7 @@ The following table provides the support status for various networking providers
 | Kubenet | 1.5 | 1.5 | - | - |
 | Lyft VPC | 1.11 | - | 1.22 | 1.23 |
 | Romana | 1.8 | - | 1.18 | 1.19 |
-| Weave | 1.5 | - | - | - |
+| Weave | 1.5 | - | 1.23 | Kubernetes 1.23 |
 
 ### Which networking provider should you use?
 

docs/networking/weave.md

@@ -1,5 +1,7 @@
 ### Weave
 
+⚠ The Weave CNI is not supported for Kubernetes 1.23 or later.
+
 #### Installation
 
 To use the Weave, specify the following in the cluster spec.

docs/releases/1.23-NOTES.md

@@ -17,6 +17,8 @@ being used, then Kubernetes Node resources will be named after their AWS instanc
 
 * Support for the Lyft CNI has been removed.
 
+* The Weave CNI is not supported for Kubernetes 1.23 or later.
+
 * Support for CentOS 7 has been removed.
 
 * Support for CentOS 8 has been removed.

pkg/apis/kops/validation/validation.go

@@ -718,7 +718,9 @@ func validateNetworking(cluster *kops.Cluster, v *kops.NetworkingSpec, fldPath *
 		}
 		optionTaken = true
 
-		if cluster.Spec.IsIPv6Only() {
+		if cluster.IsKubernetesGTE("1.23") {
+			allErrs = append(allErrs, field.Forbidden(fldPath.Child("weave"), "Weave is not supported for Kubernetes >= 1.23"))
+		} else if cluster.Spec.IsIPv6Only() {
 			allErrs = append(allErrs, field.Forbidden(fldPath.Child("weave"), "Weave does not support IPv6"))
 		}
 	}