luci-app-discourse/root/usr/libexec/apps/discourse/discourse.sh

#!/bin/sh

ACTION=${1}
shift 1

get_image() {
  IMAGE_NAME="docker.io/bitnami/discourse:2"
}

do_install_detail() {
  local config=`uci get discourse.@discourse[0].config_path 2>/dev/null`
  local port=`uci get discourse.@discourse[0].port 2>/dev/null`
  local IMAGE_NAME=`uci get discourse.@discourse[0].image_name 2>/dev/null`
  local username=`uci get discourse.@discourse[0].username 2>/dev/null`
  local password=`uci get discourse.@discourse[0].password 2>/dev/null`

  #Generate the generic environment variables for the docker-compose

  GEN_PASS=$(< /dev/urandom tr -dc A-Za-z0-9 2>/dev/null | head -c14; echo)
  GEN_PASS2=$(< /dev/urandom tr -dc A-Za-z0-9 2>/dev/null | head -c14; echo)
  
  # Get our local LAN IP Address
  LAN_IP=$(uci get network.lan.ipaddr)
  # Strip trailing network mask
  LAN_IP="${LAN_IP%/*}"
   
  if [ -z "$config" ]; then
      echo "config path is empty!"
      exit 1
  fi

  [ -z "$port" ] && port=""
  [ -z "$IMAGE_NAME" ] && IMAGE_NAME=docker.io/bitnami/discourse:2

  
  # Create Docker Compose file with custom variables
touch docker-compose.yml
  # Create Docker Compose file with custom variables
cat > docker-compose.yml <<EOF
version: '2'
services:
  postgresql:
    image: docker.io/bitnami/postgresql:13
    volumes:
      - 'postgresql_data:/bitnami/postgresql'
    environment:
      # ALLOW_EMPTY_PASSWORD is recommended only for development.
      - ALLOW_EMPTY_PASSWORD=no
      - POSTGRESQL_USERNAME=bn_discourse
      - POSTGRESQL_DATABASE=bitnami_discourse
      - POSTGRESQL_PASSWORD=$GEN_PASS
  redis:
    image: docker.io/bitnami/redis:7.0
    environment:
      # ALLOW_EMPTY_PASSWORD is recommended only for development.
      - ALLOW_EMPTY_PASSWORD=yes
    volumes:
      - 'redis_data:/bitnami/redis'
  discourse:
    image: docker.io/bitnami/discourse:2
    ports:
      - '$port:3000'
    volumes:
      - 'discourse_data:/bitnami/discourse'
    depends_on:
      - postgresql
      - redis
    environment:
      # ALLOW_EMPTY_PASSWORD is recommended only for development.
      - ALLOW_EMPTY_PASSWORD=no
      - DISCOURSE_HOST=$LAN_IP:$port
      - DISCOURSE_DATABASE_HOST=postgresql
      - DISCOURSE_DATABASE_PORT_NUMBER=5432
      - DISCOURSE_DATABASE_USER=bn_discourse
      - DISCOURSE_DATABASE_PASSWORD=$GEN_PASS
      - DISCOURSE_DATABASE_NAME=bitnami_discourse
      - DISCOURSE_REDIS_HOST=redis
      - DISCOURSE_REDIS_PORT_NUMBER=6379
      - POSTGRESQL_CLIENT_POSTGRES_USER=bn_discourse
      - POSTGRESQL_CLIENT_CREATE_DATABASE_NAME=bitnami_discourse
      - POSTGRESQL_CLIENT_POSTGRES_PASSWORD=$GEN_PASS
      - POSTGRESQL_CLIENT_CREATE_DATABASE_EXTENSIONS=hstore,pg_trgm
  sidekiq:
    image: docker.io/bitnami/discourse:2
    depends_on:
      - discourse
    volumes:
      - 'sidekiq_data:/bitnami/discourse'
    command: /opt/bitnami/scripts/discourse-sidekiq/run.sh
    environment:
      # ALLOW_EMPTY_PASSWORD is recommended only for development.
      - ALLOW_EMPTY_PASSWORD=no
      - DISCOURSE_HOST=${LAN_IP}:$port
      - DISCOURSE_DATABASE_HOST=postgresql
      - DISCOURSE_DATABASE_PORT_NUMBER=5432
      - DISCOURSE_DATABASE_USER=bn_discourse
      - DISCOURSE_DATABASE_PASSWORD=${GEN_PASS}
      - DISCOURSE_DATABASE_NAME=bitnami_discourse
      - DISCOURSE_REDIS_HOST=redis
      - DISCOURSE_REDIS_PORT_NUMBER=6379
volumes:
  postgresql_data:
    driver: local
  redis_data:
    driver: local
  discourse_data:
    driver: local
  sidekiq_data:
    driver: local
EOF
  
  docker-compose up -d
 
  # Add a new list option to the "shortcutmenu" configuration file
  uci add shortcutmenu lists
  uci set shortcutmenu.@lists[-1].webname="$IMAGE_NAME"
  uci set shortcutmenu.@lists[-1].weburl="$LAN_IP:$port"
  uci set shortcutmenu.@lists[-1].webpath="/"
  uci commit shortcutmenu

}

usage() {
  echo "usage: $0 sub-command"
  echo "where sub-command is one of:"
  echo "      install                Install discourse"
  echo "      upgrade                Upgrade discourse"
  echo "      rm/start/stop/restart  Remove/Start/Stop/Restart discourse"
  echo "      status                 discourse status"
  echo "      port                   discourse port"
}

case ${ACTION} in
  "install")
    get_image
    do_install_detail
  ;;
  "upgrade")
    get_image
    do_install_detail
  ;;
  "rm")
    docker rm -f discourse
  ;;
  "start" | "stop" | "restart")
    docker ${ACTION} discourse
  ;;
  "status")
    docker ps --all -f 'name=discourse' --format '{{.State}}'
  ;;
  "port")
    docker ps --all -f 'name=discourse' --format '{{.Ports}}' | grep -om1 '0.0.0.0:[0-9]*' | sed 's/0.0.0.0://'
  ;;
  *)
    usage
    exit 1
  ;;
esac