Merge pull request #10542 from zmerlynn/redo_10520

Wait until a token shows up to start addons (redux)

cluster/saltbase/salt/kube-addons/kube-addons.sh

@@ -134,6 +134,15 @@ for k,v in yaml.load(sys.stdin).iteritems():
 ''' < "${kube_env_yaml}")
 fi
 
+# Wait for the default service account
+token_found=""
+while [ -z "${token_found}" ]; do
+  sleep .5
+  token_found=$(${KUBECTL} get serviceaccount default -o template -t "{{with index .secrets 0}}{{.name}}{{end}}" || true)
+done
+
+echo "== default service account has token ${token_found} =="
+
 # Generate secrets for "internal service accounts".
 # TODO(etune): move to a completely yaml/object based
 # workflow so that service accounts can be created
@@ -171,6 +180,3 @@ while true; do
   `dirname $0`/kube-addon-update.sh /etc/kubernetes/addons
   sleep $ADDON_CHECK_INTERVAL_SEC
 done
-
-
-