_templates:
  local_volumes: &local_volumes
    /config: !BindRO /work/config/local
  snippets:
    - &trunk_stuff
      - !Copy
        source: /work/config/trunk
        path: /config
      - !EnsureDir /log
      - !EnsureDir /lithos
      - !Copy
        source: /work/lithos/trunk
        path: /lithos

    - &production_stuff
      - !Copy
        source: /work/config/production
        path: /config
      - !EnsureDir /log
      - !EnsureDir /lithos
      - !Copy
        source: /work/lithos/production
        path: /lithos

    - &host_resolution
      - !EnsureDir /state
      - !Sh |
          /bin/ln -sfn /state/hosts /etc/hosts
          /bin/ln -sfn /state/resolv.conf /etc/resolv.conf

containers:
  _base_alpine:
    setup:
    - !Alpine v3.4
    - !AlpineRepo {branch: edge, repo: main, tag: main}
    - !AlpineRepo {branch: edge, repo: testing, tag: testing}
    - !AlpineRepo {branch: edge, repo: community, tag: community}
    - !EnsureDir /config
    - !Sh "chmod +r /bin/bbsuid"

  frontend:
    image-cache-url: https://dl.uwtech.org/vagga/get/${container_name}.${short_hash}.tar.xz
    setup:
    - !Container _base_alpine
    - !Install [nodejs]
    - !NpmDependencies
    environ:
      NODE_PATH: /usr/lib/node_modules

  mysql:
    image-cache-url: https://dl.uwtech.org/vagga/get/${container_name}.${short_hash}.tar.xz
    setup:
    - !Container _base_alpine
    - !Install
      - mariadb
      - mariadb-client
    - !EnsureDir /storage
    volumes:
      <<: *local_volumes
      /storage: !Persistent {name: storage_mysql, init-command: _init_db}

  nginx:
    setup:
    - !Container _base_alpine
    - !Install [nginx]
    volumes:
      <<: *local_volumes
      /var/log/nginx: !Snapshot

  php:
    image-cache-url: https://dl.uwtech.org/vagga/get/${container_name}.${short_hash}.tar.xz
    setup:
    - !Container _base_alpine
    - !Install
      - php7@community
      - php7-fpm@community
      - php7-mysqli@community
      - php7-json@community
      - php7-ctype@community
      - php7-session@community
      - php7-zlib@community
    - !ComposerDependencies
      optimize_autoloader: true
    - !EnsureDir /log
    - !EnsureDir /storage

  php-dev:
    setup:
    - !Container php
    volumes:
      <<: *local_volumes
      /storage: !Persistent {name: storage_php}
      /log: !Persistent {name: php_log}
      /var/log: !Snapshot

  mysql-trunk:
    setup:
    - !Container mysql
    - !*Unpack
      - *trunk_stuff
      - *host_resolution
    resolv-conf-path: /state/resolv.conf
    hosts-file-path: /state/hosts

  php-trunk:
    setup:
      - !Container php
      - !AlpineRepo {branch: edge, repo: main, tag: main}
      - !AlpineRepo {branch: edge, repo: testing, tag: testing}
      - !AlpineRepo {branch: edge, repo: community, tag: community}
      - !*Unpack
        - *trunk_stuff
        - *host_resolution
      - !EnsureDir /app
      - !Copy
        source: /work
        path: /app
        include-regex: ^(application|content|system)/*
      - !Copy
        source: /work/index.php
        path: /app/index.php
      - !Build
        container: frontend-trunk
        source: /static
        temporary-mount: /mnt
      - !Copy
        source: /mnt/frontend.ver
        path: /app/frontend.ver
    resolv-conf-path: /state/resolv.conf
    hosts-file-path: /state/hosts

  mysql-production:
    setup:
    - !Container mysql
    - !*Unpack
      - *production_stuff
      - *host_resolution
    resolv-conf-path: /state/resolv.conf
    hosts-file-path: /state/hosts

  php-production:
    setup:
    - !Container php
    - !AlpineRepo {branch: edge, repo: main, tag: main}
    - !AlpineRepo {branch: edge, repo: testing, tag: testing}
    - !AlpineRepo {branch: edge, repo: community, tag: community}
    - !*Unpack
      - *production_stuff
      - *host_resolution
    - !EnsureDir /app
    - !Copy
      source: /work
      path: /app
      include-regex: ^(application|content|system)/*
    - !Copy
      source: /work/index.php
      path: /app/index.php
    - !Build
      container: frontend-production
      source: /static
      temporary-mount: /mnt
    - !Copy
      source: /mnt/frontend.ver
      path: /app/frontend.ver
    resolv-conf-path: /state/resolv.conf
    hosts-file-path: /state/hosts
  <<:
    - !*Include "vagga.trunk.yaml"
    - !*Include "vagga.production.yaml"

commands:
  _init_db: !Command
    description: Initialize MySQL database
    container: mysql
    environ:
      DB_HOST: 127.0.0.1
      DB_DATABASE: get
      DB_USERNAME: get
      DB_PASSWORD: get
    run: |
      mysql_install_db --datadir=/storage
      mysqld_safe --defaults-extra-file=/config/mysql/my.cnf --skip-syslog --no-auto-restart
      while [ ! -f /tmp/mysqld.pid ]; do sleep 0.1; done
      mysqladmin --defaults-extra-file=/config/mysql/my.cnf create $DB_DATABASE
      mysql --defaults-extra-file=/config/mysql/my.cnf -e "CREATE USER '$DB_USERNAME'@'$DB_HOST' IDENTIFIED BY '$DB_PASSWORD';"
      mysql --defaults-extra-file=/config/mysql/my.cnf -e "GRANT ALL PRIVILEGES ON $DB_DATABASE.* TO '$DB_USERNAME'@'$DB_HOST';"
      mysqladmin --defaults-extra-file=/config/mysql/my.cnf flush-privileges
      mysqladmin --defaults-extra-file=/config/mysql/my.cnf shutdown

  mysql: &mysql !Command
    container: mysql
    description: Run mysql database server
    user-id: 1
    external-user-id: 0
    run: mysqld_safe --defaults-extra-file=/config/mysql/my.cnf --skip-syslog --console --debug-gdb

  nginx: &nginx !Command
    container: nginx
    description: Run nginx webserver
    run: nginx -c /config/nginx.conf

  php: &php !Command
    container: php-dev
    description: Run php-fpm (application)
    user-id: 1
    external-user-id: 0
    run: [php-fpm7, -e, -F, -O, -y, /config/php/php-fpm.conf, -c, /config/php/php.ini]

  migration: &migration !Command
    container: php
    description: Run latest migration
    run: |
      cd /work/
      php7 index.php cli migration last

  _clean-old-static: !Command
    container: frontend
    description: Clean static files
    run: |
      mkdir -vp /work/static
      rm -rf /work/static/*

  build-static: !Command
    prerequisites: [_clean-old-static]
    container: frontend
    description: Build static files
    run: [npm, run-script, webpack:trunk]

  watch-static: !Command
    prerequisites: [_clean-old-static]
    container: frontend
    description: Watch and auto-rebuild changed static files
    run: [npm, run-script, webpack:watch]

  run: !Supervise
    description: Run full server stack
    kill-unresponsive-after: 5
    children:
      mysql: *mysql
      nginx: *nginx
      php: *php