Merge "Robust maas-rack readiness probe"

charts/maas/templates/bin/_register-rack-controller.sh.tpl

@@ -20,6 +20,7 @@ register_maas_rack() {
     if maas-rack register --url="${MAAS_ENDPOINT}" --secret="${MAAS_REGION_SECRET}";
     then
         echo "Successfully registered with MaaS Region Controller"
+        touch '/tmp/maas-rack.done'
         break
     else
         echo "Unable to register with ${MAAS_ENDPOINT}... will try again"

charts/maas/templates/statefulset-rack.yaml

@@ -99,9 +99,8 @@ spec:
             timeoutSeconds: 60
             exec:
               command:
-                - /bin/bash
-                - -c
-                - journalctl -u register-rack-controller -n 5 | grep -q 'Successfully registered with MaaS Region Controller'
+                - ls
+                - /tmp/maas-rack.done
           volumeMounts:
             - mountPath: /sys/fs/cgroup
               name: host-sys-fs-cgroup