create-docker-swarm.sh

#!/bin/bash

#########################################################

# Check first to ensure the docker machines - 
# local and swarm-master don't already exist on the sytem

docker-machine ls | sed -ne '/NAME/!{s/[ ].*//;p;}' | egrep "(local|swarm-master)" > /dev/null 

if [ $? == 0 ];
then echo "machines name swarm-master or local already exist on this sytem" 
    exit 1
fi

docker-machine create -d vmwarefusion local
eval "$(docker-machine env local)"
SWARM_TOKEN=$(docker run swarm create | tail -n1)

echo "Generated swarm token : ${SWARM_TOKEN}"

echo "#$(date) - ${SWARM_TOKEN}" >> ~/.swarm_tokens
echo "${SWARM_TOKEN}" >> ~/.swarm_tokens

echo "Creating swarm master: ${SWARM_TOKEN}"

docker-machine create \
        -d vmwarefusion \
        --swarm \
        --swarm-master \
        --swarm-discovery "token://${SWARM_TOKEN}" \
        --engine-storage-driver=devicemapper \
        swarm-master