set_hostaddr

#!/bin/bash

ETH0=eth0
if [ -f /etc/redhat-release ]; then
  CHK= `egrep "CentOS Linux release 7" /etc/redhat-release`
  if [ "$CHK" != "" ]; then
    ETH0=enp0s3
  fi
elif [ -f /etc/lsb-release -a "`grep 16.04 /etc/lsb-release`" != "" ]; then
  ETH0=enp0s3
fi

IP_ADDR="`ip -f inet -o addr show $ETH0 | cut -d\  -f 7 | cut -d/ -f 1`"
sed -i.old "s/www.example.com/$IP_ADDR/" docker-compose.yml