Manually deploying a RabbitMQ cluster with Docker Swarm

#!/bin/bash
 
echo "Starting the Cluster on Docker Swarm"
 
docker pull jayjohnson/rabbitclusternode
docker network create -d overlay testoverlay
 
swarmnodes="swarm1.internallevvel.com swarm2.internallevvel.com swarm3.internallevvel.com"
 
for node in $swarmnodes
do
 servicename=""
 apptype="jayjohnson/rabbitclusternode"
 appname=""
 publishports=""
 hostname=""
 envargs=""
 
 nodeip=`dig +short $node`
 
 if [ "$node" == "swarm1.internallevvel.com" ]; then
   servicename="rabbit1"
   publishports="--publish $nodeip:4369:4369 --publish $nodeip:1883:1883 --publish $nodeip:5672:5672 --publish $nodeip:8883:8883 --publish $nodeip:9100-9105:9100-9105 --publish $nodeip:15672:15672 --publish $nodeip:25672:25672"
   envargs="--env="constraint:node==$node" "
   hostname="cluster_rabbit1_1"
   appname="cluster_rabbit1_1"
 elif [ "$node" == "swarm2.internallevvel.com" ]; then
   servicename="rabbit2"
   publishports="--publish $nodeip:4369:4369 --publish $nodeip:1883:1883 --publish $nodeip:5672:5672 --publish $nodeip:8883:8883 --publish $nodeip:9100-9105:9100-9105 --publish $nodeip:15672:15672 --publish $nodeip:25672:25672"
   envargs="--env="constraint:node==$node" -e CLUSTERED=true -e CLUSTER_WITH=cluster_rabbit1_1 -e RAM_NODE=True"
   hostname="cluster_rabbit2_1"
   appname="cluster_rabbit2_1"
 elif [ "$node" == "swarm3.internallevvel.com" ]; then
   servicename="rabbit3"
   publishports="--publish $nodeip:4369:4369 --publish $nodeip:1883:1883 --publish $nodeip:5672:5672 --publish $nodeip:8883:8883 --publish $nodeip:9100-9105:9100-9105 --publish $nodeip:15672:15672 --publish $nodeip:25672:25672"
   envargs="--env="constraint:node==$node" -e CLUSTERED=true -e CLUSTER_WITH=cluster_rabbit1_1 -e RAM_NODE=False"
   hostname="cluster_rabbit3_1"
   appname="cluster_rabbit3_1"
 else
   echo "Unsupported Node: $node"
 fi
 
 if [ "$servicename" != "" ]; then
   echo "Deploying Service($servicename) to Node($node) with IPAddress($nodeip)"
   echo " Ports: $publishports"
   echo " EnvArgs: $envargs"
   echo ""
   echo " docker run -d --net=testoverlay -it --name=$appname -h $hostname $publishports $envargs $apptype"
   echo ""
   docker run -d --net=testoverlay -it --name=$appname -h $hostname $publishports $envargs $apptype
   echo ""
 fi
done
 
echo "Done"
 
exit 0