examples/bootkube: Disable auto-updates on bootkube cluster

Documentation/bootkube.md

@@ -5,7 +5,7 @@ The self-hosted Kubernetes examples provision a 3 node cluster with etcd, flanne
 
 ## Experimental
 
-Self-hosted Kubernetes is under very active development by CoreOS. We're working on upstreaming the required Hyperkube patches. Be aware that a deployment with a single apiserver cannot tolerate its failure. We'll be improving this to allow CoreOS auto-updates.
+Self-hosted Kubernetes is under very active development by CoreOS. We're working on upstreaming the required Hyperkube patches. Be aware that this cluster disabled auto-updates until checkpointing is available to restart a the kube-apiserver.
 
 ## Requirements
 
@@ -69,7 +69,7 @@ Connect to the chosen Kubernetes master node,
 
     ssh core@172.15.0.21
 
-and run the following commands *on the node*.
+and run the following command *on the node*.
 
     sudo ./bootkube-start
 

examples/ignition/bootkube-master.yaml

@@ -64,6 +64,12 @@ systemd:
         RestartSec=10
         [Install]
         WantedBy=multi-user.target
+    - name: update-engine.service
+      enable: false
+      mask: true
+    - name: locksmithd.service
+      enable: false
+      mask : true
 
 storage:
   {{ if index . "pxe" }}

examples/ignition/bootkube-worker.yaml

@@ -58,6 +58,12 @@ systemd:
         RestartSec=5
         [Install]
         WantedBy=multi-user.target
+    - name: update-engine.service
+      enable: false
+      mask: true
+    - name: locksmithd.service
+      enable: false
+      mask : true
 
 storage:
   {{ if index . "pxe" }}