#!/bin/sh
## spider watcher, work with start_cloud_in_container.sh

## 如果遇到chrome因为开启了sandbox而启动报错，提示需要修改chrome/xx.xx.xx.xx版本所有者为root且权限改为4755
## 则手动修改/app/ulixee/node_modules/@ulixee/hero-core/.env.defaults
## 把ULX_NO_CHROME_SANDBOX=# don't force the chrome sandbox设置为ULX_NO_CHROME_SANDBOX=yes，关闭sandbox

script_root=$(dirname $0)
cd $script_root

watcher()
{
    spider_num=`ps -ef | grep 'node spider.mjs' | grep -v grep | wc -l`

    if [ $spider_num -lt 1 ]; then
        echo "Spider is down, try to restart it."

        echo "Checking ulixee cloud"
        cloud_num=`docker ps | grep 'ulixee_cloud' | grep -v grep | wc -l`
        if [ $cloud_num -ge 1 ]; then
            echo "ulixee cloud is alive, start spider"
            cd $script_root
            npm start -- config_custom.json
        else
            echo "ulixee cloud is down, try to restart it"
            cloud_installed=`docker ps -a | grep 'ulixee_cloud' | grep -v grep | wc -l`
            if [ $cloud_installed -e 1 ]; then
                docker start ulixee_cloud
            else
                docker stop ulixee_cloud
                docker rm ulixee_cloud
                cd $script_root
                ./start_cloud_in_container.sh
            fi

            sleep 10
        fi

    else
        echo "Spider is alive"
        sleep 10
    fi

}

while true; do
    watcher
done