gistfile1.sh

#!/bin/bash

# Set Up Environment

group_name="docker-networking"
my_ip="$(wget -q -O- http://icanhazip.com)"
# Get the AMI for your region from this list: http://cloud-images.ubuntu.com/releases/15.04/release/
export AWS_AMI="ami-8d4268fa"
export AWS_DEFAULT_REGION="eu-west-1"
export AWS_ACCESS_KEY_ID="#"
export AWS_SECRET_ACCESS_KEY="#"
export AWS_VPC_ID="vpc-69c9a10c"

# Set up Security Group in AWS

aws ec2 create-security-group --group-name ${group_name} --description "A Security Group for Docker Networking"
## Permit SSH, required for Docker Machine
aws ec2 authorize-security-group-ingress --group-name ${group_name} --protocol tcp --port 22 --cidr ${my_ip}/32
aws ec2 authorize-security-group-ingress --group-name ${group_name} --protocol tcp --port 2376 --cidr ${my_ip}/32
## Permit Serf ports for discovery
aws ec2 authorize-security-group-ingress --group-name ${group_name} --protocol tcp --port 7946 --cidr 0.0.0.0/0
aws ec2 authorize-security-group-ingress --group-name ${group_name} --protocol udp --port 7946 --cidr 0.0.0.0/0
## Permit Consul HTTP API
aws ec2 authorize-security-group-ingress --group-name ${group_name} --protocol tcp --port 8500 --cidr 0.0.0.0/0

# Docker Machine Setup

docker-machine create \
    -d aws \
    --aws-security-group ${group_name} \
    consul

docker $(docker-machine config consul) run -d \
    -p "8500:8500" \
    -h "consul" \
    progrium/consul -server -bootstrap

docker-machine create \
    -d aws \
    --aws-security-group ${group_name} \
    --engine-opt="cluster-store=consul://$(docker-machine ip consul):8500" \
    --engine-label="com.docker.network.driver.overlay.bind_interface=eth1" \
    demo-0

docker-machine create \
    -d aws \
    --aws-security-group ${group_name}
    --engine-opt="cluster-store=consul://$(docker-machine ip consul):8500" \
    --engine-label="com.docker.network.driver.overlay.bind_interface=eth1" \
    --engine-label="com.docker.network.driver.overlay.neighbor_ip=$(docker-machine ip demo-0)" \
    demo-1

docker $(docker-machine config demo-0) network create -d overlay demo