Ddns basic

• /usr/local/bin/ddns

#!/bin/bash
case $reason in
TTL=1
SERVER="10.80.100.10"
HOSTNAME=$1
IP=$2
KEY="mh8rQqaZF3rdGLJfRU7xvI6dHM6tGBJQwYvf6BfYvH+81N2aWhmxri4zuHzYCEguzyYkYRiI58N7lY7cqZ1qEg=="
KEYNAME="vulkan.int"
date >> /var/log/ddns.log
nsupdate -v  >> /var/log/ddns.log << EOF
key $KEYNAME $KEY
server $SERVER
update delete $HOSTNAME A
update add $HOSTNAME $TTL A $IP
send
EOF
cat  >> /var/log/ddns.log << EOF
key $KEYNAME $KEY
server $SERVER
update delete $HOSTNAME A
update add $HOSTNAME $TTL A $IP
send
EOF
#exit 0
;;
esac