Fix Swarm deployment

Change-Id: I39641d22d3682991a40d23f7331974b89d19aac2
diff --git a/scripts/docker_swarm_install.sh b/scripts/docker_swarm_install.sh
index 19a4341..438dac0 100755
--- a/scripts/docker_swarm_install.sh
+++ b/scripts/docker_swarm_install.sh
@@ -10,6 +10,8 @@
 salt -C 'I@docker:swarm' mine.update
 salt -C 'I@docker:swarm' saltutil.refresh_modules
 sleep 5
+# Rerun Swarm state on master node to properly push Swarm tokens into grains
+salt -C 'I@docker:swarm:role:master' state.sls docker.swarm
 # Configure Swarm slave nodes
 salt -C 'I@docker:swarm:role:manager' state.sls docker.swarm -b 1