# Supfile for "Example" Docker service
---
version: 0.4

env:
  # Environment variables for all commands
  NAME: example
  REPO: github.com/pressly/sup
  BRANCH: master
  IMAGE: pressly/example
  HOST_PORT: 8000
  CONTAINER_PORT: 8000

networks:
  # Groups of hosts
  local:
    hosts:
      - localhost

  dev:
    env:
      # Extra environment variable for dev hosts only
      DOCKER_HOST: tcp://127.0.0.1:2375
    hosts:
      - docker@192.168.59.103

  stg:
    hosts:
      - ubuntu@stg.example.com

  prod:
    inventory: for i in 1 2 3 4; do echo "ubuntu@prod$i.example.com"; done
  
  k8s:
    inventory: for i in $(kubectl get nodes -o jsonpath={.items[*].status.addresses[?\(@.type==\"InternalIP\"\)].address}); do echo "ubuntu@$i"; done

commands:
  # Named set of commands to be run remotely
  ping:
    desc: Print uname and current date/time.
    run: uname -a; date

  pre-build:
    desc: Initialize directory
    run: mkdir -p /tmp/$IMAGE

  mytest:
    run: echo $SUP_TIME

  build:
    desc: Build Docker image from current directory, push to Docker Hub
    # local: sup $SUP_ENV -f ./builder/Supfile $SUP_NETWORK build
    upload:
      - src: ./
        dst: /tmp/$IMAGE
    script: ./scripts/docker-build.sh
    once: true

  pull:
    desc: Pull latest Docker image
    run: sudo docker pull $IMAGE

  config:
    desc: Upload/test config file.
    upload:
      - src: ./example.$SUP_NETWORK.cfg
        dst: /tmp/
    run: test -f /tmp/example.$SUP_NETWORK.cfg

  stop:
    desc: Stop Docker container
    run: sudo docker stop $NAME || exit 0

  rm:
    desc: Remove Docker container
    run: sudo docker rm $NAME || exit 0

  start:
    desc: Start a stopped Docker container
    run: sudo docker start $NAME || exit 0

  run:
    desc: Run Docker container
    run: >
      sudo docker run -d \
        -p $HOST_PORT:$CONTAINER_PORT \
        -v /tmp/example.$SUP_NETWORK.cfg:/etc/example.cfg \
        --restart=always \
        --name $NAME $IMAGE

  restart:
    desc: Restart Docker container
    run: sudo docker restart $NAME || exit 0

  stop-rm-run:
    desc: Rolling update (stop & remove old Docker container, run new one)
    run: >
      sudo docker stop $NAME || :; \
        sudo docker rm $NAME || :; \
        sudo docker run -d \
          -p $HOST_PORT:$CONTAINER_PORT \
          -v /tmp/example.$SUP_NETWORK.cfg:/etc/example.cfg \
          --restart=always \
          --name $NAME $IMAGE
    serial: 1

  ps:
    desc: List running Docker containers
    run: sudo docker ps | grep $NAME

  logs:
    desc: Docker logs
    run: sudo docker logs $NAME

  tail-logs:
    desc: Tail Docker logs
    run: sudo docker logs --tail=20 -f $NAME

  health:
    desc: Application health check
    run: curl localhost:$HOST_PORT

  slack-notify:
    desc: Notify Slack about new deployment
    local: >
      curl -X POST --data-urlencode 'payload={"channel": "#_team_", "text": "['$SUP_NETWORK'] '$SUP_USER' deployed '$NAME'"}' \
        https://hooks.slack.com/services/X/Y/Z

  bash:
    desc: Interactive shell on all hosts
    stdin: true
    run: bash

  exec:
    desc: Interactive docker exec on all hosts
    stdin: true
    run: sudo docker exec -i $NAME bash

targets: # Aliases to run multiple commands at once
  deploy:
    - pre-build
    - build
    - pull
    - config
    - stop-rm-run
    - ps
    - logs
    - health
    - slack-notify