kubernetes: do not try to re-init the cluster on subsequent boots
If `kubelet.conf` already exits then don't try to redo `kubeadm`, no matter
what the metadata requests.
@@ -10,7 +10,12 @@ fi
if [ -e /etc/kubelet.sh.conf ] ; then
. /etc/kubelet.sh.conf
fi
-if [ -e /var/config/kubeadm/init ] ; then
+
+conf=/var/lib/kubeadm/kubelet.conf
+
+if [ -f "${conf}" ] ; then
+ echo "kubelet.sh: kubelet already configured"
+elif [ -e /var/config/kubeadm/init ] ; then
echo "kubelet.sh: init cluster with metadata \"$(cat /var/config/kubeadm/init)\""
# This needs to be in the background since it waits for kubelet to start.
# We skip printing the token so it is not persisted in the log.
@@ -23,8 +28,6 @@ elif [ -e /var/config/userdata ] ; then
kubeadm join --skip-preflight-checks $(cat /var/config/userdata)
fi
-conf=/var/lib/kubeadm/kubelet.conf
-
echo "kubelet.sh: waiting for ${conf}"
# TODO(ijc) is there a race between kubeadm creating this file and
# finishing the write where we might be able to fall through and
