docker-tsuru-stable.sh

#!/bin/bash
registryhost="tsuru-registry-01.eduk.vpc"
registryport="5000"
dockerhost="127.0.0.1"
dockerport="2375"
version=$(docker version 2>/dev/null | grep " Version" | cut -c16-)

if [[ $version != "" ]]; then
    echo "Skipping docker installation, version installed: $version"
else
    echo "Installing docker..."
    curl -sSL https://get.docker.com/ | sudo sh
    sudo apt-get install docker-engine=1.10.3-0~trusty -y --force-yes
    opts=$(bash -c 'source /etc/default/docker && echo $DOCKER_OPTS')
  if [[ ! $opts =~ :// ]]; then
      echo "Changing /etc/default/docker to listen on tcp://0.0.0.0:${dockerport}..."
      echo "DOCKER_OPTS=\"\$DOCKER_OPTS -H tcp://0.0.0.0:${dockerport} -H unix:///var/run/docker.sock --insecure-registry=${registryhost}:${registryport}\"" | sudo tee -a /etc/default/docker > /dev/null
  fi
  sudo service docker stop 1>&2 2>/dev/null || true
  sudo service docker start
  sleep 5

  home_host=$(bash -ic 'source ~/.bashrc && echo $DOCKER_HOST')
  if [[ $home_host != "tcp://$dockerhost:$dockerport" ]]; then
      echo "Adding DOCKER_HOST to ~/.bashrc"
      echo -e "export DOCKER_HOST=tcp://$dockerhost:$dockerport" | tee -a ~/.bashrc > /dev/null
  fi
  export DOCKER_HOST=tcp://$dockerhost:$dockerport
fi