| yuryn | d9f6ecd | 2017-11-09 20:07:02 +0200 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | |
| 3 | _SRC_HOST=$1 |
| 4 | _DST_HOST=$2 |
| 5 | _IP=`getent hosts ${_SRC_HOST}|cut -d' ' -f1` |
| 6 | if [ -z ${_IP} ]; then |
| 7 | echo "Cannot retreive IP for host mapping ${_SRC_HOST} -> ${_DST_HOST}" |
| 8 | exit 1 |
| 9 | fi |
| 10 | _REGEX=".*[[:blank:]]${_DST_HOST}$" |
| 11 | if grep -c -e "${_REGEX}" /etc/hosts > /dev/null 2>&1 ; then |
| 12 | cp /etc/hosts /tmp/hosts |
| 13 | sed -i "s/${_REGEX}/${_IP} ${_DST_HOST}/g" /tmp/hosts |
| 14 | cp /tmp/hosts /etc/hosts |
| 15 | else |
| 16 | echo "${_IP} ${_DST_HOST}" >> /etc/hosts |
| 17 | fi |