sigs.k8s.io/cluster-api-provider-azure@v1.17.0/templates/flavors/private/patches/apiserver-host-dns.yaml (about)

     1  apiVersion: controlplane.cluster.x-k8s.io/v1beta1
     2  kind: KubeadmControlPlane
     3  metadata:
     4    name: "${CLUSTER_NAME}-control-plane"
     5  spec:
     6    kubeadmConfigSpec:
     7      preKubeadmCommands:
     8        # this is a workaround for the hairpin routing problem with internal load balancers.
     9        # the first control plane needs to route to itself for kubeadm init to succeed.
    10        # TODO: keep only /run/kubeadm/kubeadm.yaml for v1beta1
    11        - if [ -f /tmp/kubeadm.yaml ] || [ -f /run/kubeadm/kubeadm.yaml ]; then echo '127.0.0.1   apiserver.${CLUSTER_NAME}.capz.io apiserver' >> /etc/hosts; fi
    12      postKubeadmCommands:
    13        # TODO: keep only /run/kubeadm/kubeadm.yaml for v1beta1
    14        # any additional control planes need to route to the load balancer to check the health of the api server before kubeadm join.
    15        # after the control plane has joined the cluster, it should route to itself to reach the apiserver.
    16        - if [ -f /tmp/kubeadm-join-config.yaml ] || [ -f /run/kubeadm/kubeadm-join-config.yaml ]; then echo '127.0.0.1   apiserver.${CLUSTER_NAME}.capz.io apiserver' >> /etc/hosts; fi