Add workaround to support k8s v1.29

templates/cluster-template.yaml

@@ -121,6 +121,7 @@ spec:
             hostAliases:
             - hostnames:
               - kubernetes
+              - localhost
               ip: 127.0.0.1
             hostNetwork: true
             volumes:
@@ -129,6 +130,54 @@ spec:
                 type: FileOrCreate
               name: kubeconfig
           status: {}
+      - path: /etc/kube-vip-prepare.sh
+        content: |
+          #!/bin/bash
+
+          # Copyright 2020 The Kubernetes Authors.
+          #
+          # 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.
+
+          set -e
+
+          # Configure the workaround required for kubeadm init with kube-vip:
+          # xref: https://github.com/kube-vip/kube-vip/issues/684
+
+          # Nothing to do for kubernetes < v1.29
+          KUBEADM_MINOR="$(kubeadm version -o short | cut -d '.' -f 2)"
+          if [[ "$KUBEADM_MINOR" -lt "29" ]]; then
+            exit 0
+          fi
+
+          IS_KUBEADM_INIT="false"
+
+          # cloud-init kubeadm init
+          if [[ -f /run/kubeadm/kubeadm.yaml ]]; then
+            IS_KUBEADM_INIT="true"
+          fi
+
+          # ignition kubeadm init
+          if [[ -f /etc/kubeadm.sh ]] && grep -q -e "kubeadm init" /etc/kubeadm.sh; then
+            IS_KUBEADM_INIT="true"
+          fi
+
+          if [[ "$IS_KUBEADM_INIT" == "true" ]]; then
+            sed -i 's#path: /etc/kubernetes/admin.conf#path: /etc/kubernetes/super-admin.conf#' \
+              /etc/kubernetes/manifests/kube-vip.yaml
+          fi
+        owner: root:root
+        permissions: "0700"
+
     preKubeadmCommands:
       - rm /var/lib/dbus/machine-id /etc/machine-id # fix the machine id
       - dbus-uuidgen --ensure=/etc/machine-id
@@ -138,6 +187,7 @@ spec:
       - swapoff -a
       - sed -i '/ swap / s/^/#/' /etc/fstab
       - sysctl --system
+      - /etc/kube-vip-prepare.sh
     postKubeadmCommands:
       - >
         systemctl disable --now udisks2 multipathd motd-news.timer fwupd-refresh.timer