language: minimal
services: docker

env:
  - DOCKER_COMPOSE_VERSION=1.20.1

before_install:
  - sudo apt-get update
  - sudo apt-get install -y expect jq

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

  # Use built-in users with passwords set by 'elasticsearch-setup-passwords.exp'
  - sed -i -e 's/\(elasticsearch.username:\) elastic/\1 kibana/g' -e 's/\(elasticsearch.password:\) changeme/\1 testpasswd/g' kibana/config/kibana.yml
  - sed -i -e 's/\(xpack.monitoring.elasticsearch.username:\) elastic/\1 logstash_system/g' -e 's/\(xpack.monitoring.elasticsearch.password:\) changeme/\1 testpasswd/g' logstash/config/logstash.yml
  - sed -i 's/\(password =>\) "changeme"/\1 "testpasswd"/g' logstash/pipeline/logstash.conf

script:
  # Compose
  - docker-compose up -d elasticsearch
  - sleep 30
  - .travis/elasticsearch-setup-passwords.exp
  - docker-compose up -d
  - .travis/run-tests.sh
  - docker-compose ps
  - docker-compose logs elasticsearch
  - docker-compose logs kibana
  - docker-compose logs logstash
  - docker-compose down -v

  # Swarm
  - docker swarm init
  - docker stack deploy -c ./docker-stack.yml elk
  - docker service scale elk_kibana=0 --detach=false
  - docker service scale elk_logstash=0 --detach=false
  - sleep 40
  - .travis/elasticsearch-setup-passwords.exp swarm
  - docker service scale elk_kibana=1 --detach=false
  - docker service scale elk_logstash=1 --detach=false
  - .travis/run-tests.sh swarm
  - docker stack services elk
  - docker service logs elk_elasticsearch
  - docker service logs elk_kibana
  - docker service logs elk_logstash
  - docker stack rm elk