language: minimal
services: docker

env:
  - DOCKER_COMPOSE_VERSION=1.14.0

install:
  # Install Docker Compose
  - curl -L "https://github.com/docker/compose/releases/download/${DOCKER_COMPOSE_VERSION}/docker-compose-$(uname -s)-$(uname -m)" -o "$HOME/bin/docker-compose"
  - chmod +x "$HOME/bin/docker-compose"
  - docker-compose --version

before_script:
  # Build images
  - docker-compose build

  # Pull buildpack image (curl 7.52.0+)
  - docker pull buildpack-deps:artful-curl
  - shopt -s expand_aliases
  - alias curl='docker run --rm --net=host buildpack-deps:artful-curl curl'

script:
  # Compose
  - docker-compose up -d
  - sleep 60
  - curl -s --retry 10 --retry-delay 5 --retry-connrefused -D- 'http://localhost:9200/'
  - curl -s --retry 10 --retry-delay 5 --retry-connrefused -D- 'http://localhost:5601/api/status'
  - curl -s --retry 10 --retry-delay 5 --retry-connrefused -D- 'http://localhost:9600/_node/pipelines/main?pretty'
  - echo 'dockerelk' | nc localhost 5000
  - sleep 2
  - curl -s -XPOST 'http://localhost:9200/_refresh'
  - curl -s 'http://localhost:9200/_count?q=message:dockerelk' | egrep '^{"count":1,'
  - curl -s 'http://localhost:9200/_search?q=message:dockerelk&pretty'
  - docker-compose ps
  - docker-compose logs
  - docker-compose down -v

  # Swarm
  - docker swarm init
  - docker stack deploy -c ./docker-stack.yml elk
  - sleep 60
  - curl -s --retry 10 --retry-delay 5 --retry-connrefused -D- 'http://localhost:9200/'
  - curl -s --retry 10 --retry-delay 5 --retry-connrefused -D- 'http://localhost:5601/api/status'
  - curl -s --retry 10 --retry-delay 5 --retry-connrefused -D- 'http://localhost:9600/_node/pipelines/main?pretty'
  - echo 'dockerelk' | nc localhost 5000
  - sleep 2
  - curl -s -XPOST 'http://localhost:9200/_refresh'
  - curl -s 'http://localhost:9200/_count?q=message:dockerelk' | egrep '^{"count":1,'
  - curl -s 'http://localhost:9200/_search?q=message:dockerelk&pretty'
  - docker stack services elk
  - docker service logs elk_elasticsearch
  - docker service logs elk_kibana
  - docker service logs elk_logstash