#!/bin/bash
# Нужно открыть порт
# 9090: Веб-интерфейс управления API

if ! command -v npm &> /dev/null; then
  yum install -y npm
  npm install -g pm2
  curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash
  source ~/.bashrc
  #  Соответствие версий между узлом и npm: https://nodejs.org/zh-cn/about/previous-releases
  nvm install v14.21.3 # npm v6.14.18
  npm install -g node-gyp@v3.6.3
  sed -i 's/rU/r/g' /usr/local/lib/node_modules/npm/node_modules/node-gyp/gyp/pylib/gyp/input.py
  npm install fs-extra
fi

app_name="yapii"
app_entry="server/app.js"
install_dir=/opt/$app_name
log_file=$install_dir/log/yapi.log
mongodb_addr="xxx"
mongodb_db="yapi"
mongodb_username="yapi"
mongodb_password="xxx"

if [ ! -d "$install_dir" ]; then
  wget https://github.com/gozeon/yapii/archive/refs/heads/master.zip
  unzip master.zip -d $install_dir
  cd $install_dir
  mv yapii-master/* .
  rm -rf yapii-master
  npm install fs-extra
  npm install --production --prefix $install_dir
  cat > $install_dir/config.json<<EOF
{
  "port": "9090",
  "timeout":120000,
  "closeRegister":false,
  "db": {
    "servername": "$mongodb_addr",
    "DATABASE": "$mongodb_db",
    "user": "$mongodb_username",
    "pass": "$mongodb_password",
    "port": 27017
  },
  "plugins": []
}
EOF
  sed -i "s/app.listen(yapi.WEBCONFIG.port);/app.listen(yapi.WEBCONFIG.port, '0.0.0.0');/" $app_entry
#  pm2 start $install_dir/$app_entry --name $app_name
fi

# создавать YAPI systemd служебные файлы
cat > /etc/systemd/system/yapi.service <<EOF
[Unit]
Description=YAPI Server
Documentation=https://github.com/YMFE/yapi
Requires=network.target
After=network.target

[Service]
Type=forking
ExecStartPre=/bin/mkdir -p /var/run
ExecStart=/usr/local/bin/pm2 start $install_dir/$app_entry --name $app_name --log $log_file
ExecStartPost=/bin/bash -c 'echo \$MAINPID > /var/run/yapi.pid'
ExecReload=/usr/local/bin/pm2 reload $app_name
ExecStop=/usr/local/bin/pm2 stop $app_name
ExecStopPost=/bin/rm -f /var/run/yapi.pid
Restart=on-failure
RestartSec=5
Environment=NODE_ENV=production
Environment=HOME=/home/$(whoami)

[Install]
WantedBy=multi-user.target
EOF

cat > /etc/logrotate.d/yapi<<EOF
$log_file {
    daily
    rotate 30
    compress
    dateext
    dateformat -%Y-%m-%d
    missingok
    notifempty
    postrotate
        # отправлять HUP Сигнал для уведомления приложения о необходимости повторного открытия файла журнала.
        /bin/kill -HUP \$(cat /var/run/yapi.pid 2>/dev/null) 2>/dev/null || true
    endscript
}
EOF

# перезагрузить systemd Настроить и запустить службу
sudo systemctl daemon-reload
sudo systemctl enable yapi
sudo systemctl restart yapi
sudo systemctl status yapi