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

#!/bin/sh

ACTION=${1}
shift 1

get_image() {
  IMAGE_NAME=$(uci get discourse.@discourse[0].image_name 2>/dev/null)
}

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)

  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)

  LAN_IP=$(uci get network.lan.ipaddr)
  LAN_IP="${LAN_IP%/*}"

  if [ -z "$config" ]; then
    echo "config path is empty!"
    exit 1
  fi

  [ -z "$port" ] && port=3000
  [ -z "$IMAGE_NAME" ] && IMAGE_NAME="docker.io/bitnami/discourse:2"

  rm -R /opt/docker2/compose/discourse-app
  mkdir /opt/docker2/compose/discourse-app

  touch /opt/docker2/compose/discourse-app/docker-compose.yml
  cat > /opt/docker2/compose/discourse-app/docker-compose.yml <<EOF
version: '2'
services:
  postgresql:
    image: docker.io/bitnami/postgresql:13
    volumes:
      - 'postgresql_data:/bitnami/postgresql'
    environment:
      - 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=yes
    volumes:
      - 'redis_data:/bitnami/redis'
  discourse:
    image: $IMAGE_NAME
    ports:
      - '$port:3000'
    volumes:
      - 'discourse_data:/bitnami/discourse'
    depends_on:
      - postgresql
      - redis
    environment:
      - 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
  sidekiq:
    image: $IMAGE_NAME
    depends_on:
      - discourse
    volumes:
      - 'sidekiq_data:/bitnami/discourse'
    command: /opt/bitnami/scripts/discourse-sidekiq/run.sh
    environment:
      - ALLOW_EMPTY_PASSWORD=no
      - DISCOURSE_HOST=$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 -f /opt/docker2/compose/discourse-app/docker-compose.yml up -d

  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 ${ACTION} in
  "install"|"upgrade")
    get_image
    do_install_detail
  ;;
  "rm")
    get_image
    CONTAINER_IDS=$(docker ps -a --filter "ancestor=${IMAGE_NAME}" --format '{{.ID}}')
    echo "Stopping and removing containers..."
    for ID in $CONTAINER_IDS; do
      docker stop $ID
      docker rm $ID
    done
    docker rmi -f $IMAGE_NAME
  ;;
  "start"|"stop"|"restart")
    get_image
    CONTAINER_IDS=$(docker ps -a --filter "ancestor=${IMAGE_NAME}" --format '{{.ID}}')
    for ID in $CONTAINER_IDS; do
      docker ${ACTION} ${ID}
    done
  ;;
  "status")
    get_image
    CONTAINER_NAMES=$(docker ps -a --filter "ancestor=${IMAGE_NAME}" --format '{{.Names}}')
    docker ps --all -f "name=${CONTAINER_NAMES}" --format '{{.Status}}'
  ;;
  "port")
    get_image
    CONTAINER_NAMES=$(docker ps -a --filter "ancestor=${IMAGE_NAME}" --format '{{.Names}}')
    docker ps --all -f "name=${CONTAINER_NAMES}" --format '{{.Ports}}' | grep -om1 '0.0.0.0:[0-9]*' | sed 's/0.0.0.0://'
  ;;
  *)
    usage
    exit 1
  ;;
esac