language: node_js
cache:
  directories:
    - node_modules
node_js:
  - "6"
  - "5"
  - "4"
sudo: required
services:
  - docker
env:
  global:
    - DOCKER_VERSION=1.12.1-0~trusty
    - DOCKER_COMPOSE_VERSION=1.7.1
    # - DEBUG=kafka-node:*
    - KAFKA_ADVERTISED_HOST_NAME=127.0.0.1
before_install:
  - docker version
  # list docker-engine versions
  - apt-cache madison docker-engine
  # upgrade docker-engine to specific version
  - sudo apt-get -o Dpkg::Options::="--force-confnew" install -y --force-yes docker-engine=${DOCKER_VERSION}
  - sudo rm /usr/local/bin/docker-compose
  - curl -L https://github.com/docker/compose/releases/download/${DOCKER_COMPOSE_VERSION}/docker-compose-`uname -s`-`uname -m` > docker-compose
  - chmod +x docker-compose
  - sudo mv docker-compose /usr/local/bin
  - docker-compose up -d
after_failure:
  - docker ps
  - docker-compose logs
after_success:
  - cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js