Detect a large number of machines in batch (the scale is about several thousand) to obtain the survival status
1. Write the list of target ip that need Ping into the scripts/ping-targets.txt file, One record per line. as flows:
www.baidu.com
www.google.com
2. bash build.sh build
3. docker-compose up -d
4. http://localhost:3000/d/ping/pingda-pan?orgId=1
grafana user/pwd: admin/ieasydevops



