swarm-create-cluster.sh

#!/bin/bash
#set -x

VIRTUALBOX_DISK_SIZE="1500"

# Docker Machine for Consul
docker-machine \
  create \
  -d virtualbox \
  --virtualbox-disk-size $VIRTUALBOX_DISK_SIZE \
  consul-machine

# Start Consul
docker $(docker-machine config consul-machine) run -d --restart=always \
  -p "8500:8500" \
  -h "consul" \
  progrium/consul -server -bootstrap

# Docker Swarm master
docker-machine \
  create \
  -d virtualbox \
  --virtualbox-disk-size $VIRTUALBOX_DISK_SIZE \
  --swarm \
  --swarm-master \
  --swarm-discovery="consul://$(docker-machine ip consul-machine):8500" \
  --engine-opt="cluster-store=consul://$(docker-machine ip consul-machine):8500" \
  --engine-opt="cluster-advertise=eth1:2376" \
  swarm-master

# Docker Swarm node-01
docker-machine \
  create \
  -d virtualbox \
  --virtualbox-disk-size $VIRTUALBOX_DISK_SIZE \
  --swarm \
  --swarm-discovery="consul://$(docker-machine ip consul-machine):8500" \
  --engine-opt="cluster-store=consul://$(docker-machine ip consul-machine):8500" \
  --engine-opt="cluster-advertise=eth1:2376" \
  swarm-node-01

# Docker Swarm node-02
docker-machine \
  create \
  -d virtualbox \
  --virtualbox-disk-size $VIRTUALBOX_DISK_SIZE \
  --swarm \
  --swarm-discovery="consul://$(docker-machine ip consul-machine):8500" \
  --engine-opt="cluster-store=consul://$(docker-machine ip consul-machine):8500" \
  --engine-opt="cluster-advertise=eth1:2376" \
  swarm-node-02

# Configure to use Docker Swarm cluster
eval $(docker-machine env --swarm swarm-master)

swarm-destroy-cluster.sh

#!/bin/bash
#set -x

docker-machine stop consul-machine && docker-machine remove consul-machine
docker-machine stop swarm-master && docker-machine remove swarm-master
docker-machine stop swarm-node-01 && docker-machine remove swarm-node-01
docker-machine stop swarm-node-02 && docker-machine remove swarm-node-02

Taken from docker/community#57