Start independently Portainer

This allows for simpler maintenance on the Portainer service when
required.

portainer.sh

@@ -0,0 +1,35 @@
+#!/bin/sh
+#                    Copyright (c) 2017-2018
+#   Data Intensive Applications and Systems Labaratory (DIAS)
+#            Ecole Polytechnique Federale de Lausanne
+#
+#                      All Rights Reserved.
+#
+# Permission to use, copy, modify and distribute this software and its
+# documentation is hereby granted, provided that both the copyright notice
+# and this permission notice appear in all copies of the software, derivative
+# works or modified versions, and any portions thereof, and that both notices
+# appear in supporting documentation.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. THE AUTHORS AND ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE
+# DISCLAIM ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE
+# USE OF THIS SOFTWARE.
+
+# Import settings
+. ./settings.sh
+
+# Permanent storage for Portainer
+test -d ${PORTAINER_DATA} \
+	|| mkdir -p ${PORTAINER_DATA} \
+	|| ( echo Failed to create ${PORTAINER_DATA}; exit 1 )
+
+docker service create \
+	--publish ${PORTAINER_PORT}:9000 \
+	--constraint 'node.role == manager' \
+	--mount type=bind,src=/var/run/docker.sock,dst=/var/run/docker.sock \
+	--mount type=bind,src=${PORTAINER_DATA},dst=/data \
+	--name portainer \
+	${PORTAINER_IMAGE}${PORTAINER_VERSION}
+

setupFederationInfrastructure.sh

@@ -28,23 +28,6 @@ set -e
 	docker swarm init --advertise-addr=${MASTER_IP}
 )
 
-# Portainer, a WebUI for Docker Swarm
-if ${PORTAINER_ENABLED}
-then
-	test -d ${PORTAINER_DATA} \
-		|| mkdir -p ${PORTAINER_DATA} \
-		|| ( echo Failed to create ${PORTAINER_DATA}; exit 1 )
-
-	docker service create \
-		--detach=true \
-		--name portainer \
-		--publish ${PORTAINER_PORT}:9000 \
-		--constraint 'node.role == manager' \
-		--mount type=bind,src=/var/run/docker.sock,dst=/var/run/docker.sock \
-		--mount type=bind,src=${PORTAINER_DATA},dst=/data \
-		${PORTAINER_IMAGE}${PORTAINER_VERSION}
-fi
-
 docker network create \
 	--driver=overlay \
 	--opt encrypted \