[[Category:OPS535]][[Category:rchan]]= Bash Script=Sample Bash script for extracting Domain Registration wiki page [[Domainreg]] and create a root zone file.Set the following shell (environment) variables before running the script to produce a customized zone file header for that root zone that match your DNS server:* RNS_FQDN - set this to the fully qualified domain name of your root name server. ** <pre> export RNS_FQDN=rns.cp.net</pre>* RNS_IP - set this to the IP address of your root name server.* DNS_ADMIN_EMAIL - set this to the email address of your DNS administrator** <pre> export DNS_ADMIN_EMAIL=admin.cp.net</pre> <pre>#!/bin/bash # Created by: Raymond Chan # for OPS535 # (c) 20102016 - update for new wiki site# (c) 2017 - update to prompt user to set the followings# fqdn,ip for root name server# email for dns admin# RNS_FQDN, RNS_IP, DNS_ADMIN_EMAILif [ -z "${RNS_FQDN}" ]then echo "Please set the shell variable RNS_FQDN to the FQDN of your" >&2 echo "root name server and run this script again." >&2 exit 1fi if [ -z "${RNS_IP}" ]then echo "Please set the shell variable RNS_IP to the IP address" >&2 echo "of your root name server and run this script again." >&2 exit 2fi if [ -z "${DNS_ADMIN_EMAIL}" ]then echo "Please set the shell variable DNS_ADMIN_EMAIL to the" >&2 echo "email address of your DNS administrator and run this" >&2 echo "script again." >&2 exit 3fi# start loading dns information from the web url=http://zenit.senecac.on.ca/wiki/index.php/Domainreg if [ ! -f raw.txt ] then echo "Gettting wiki file from the web ..." >&2 wget -O raw.txt $url fi buffer=$(cat raw.txt| grep ^'</td><td>') nl=$(echo "$buffer"|wc -l) a=0 b=5 while [ $a -lt $nl ] do stuff=$(echo "$buffer"| head -"$b" | tail -5|nl|sed -e "s/<\/td><td>/x/g") # echo "$stuff" fields=$(echo "$stuff"|sed -e "s/ //g"|awk -Fx {'print $2'})
parametersnl=$(echo "$fieldsbuffer"|wc -l) paratesta=0b=6# generating the zone file headerSN=$(date +%y%j%H) # yydddHHecho "\$parameters | sed -e TTL 3600"s/ //gecho "@ IN SOA ${RNS_FQDN} ${DNS_ADMIN_EMAIL} (${SN} 1h 15m 30d 1h)" cc=$(echo " IN NS $paratest | wc -w){RNS_FQDN}" # echo "paratest cc is $cc{RNS_FQDN} IN A ${RNS_IP}"
if while [ $cc a -gt 0 lt $nl ] then do # stuff=$(echo "$a buffer"| head -"$parametersb" | tail -5|nl|sed -e "s/<td>/x/g") #read yyy echo "$stuff" set fields=$(echo "$stuff"|sed -e "s/ //g"|awk -Fx {'print $parameters2'})
if [ " parameters=$(echo $1" !fields) cc= "" -a "$3" != "" (echo $parameters | wc -a w) # echo "paratest cc is $4cc" != "" ] then
if [ "$cc" -gt 0 ] then #echo -e $a $parameters #read yyy set $parameters if [ "$1" != "domainname" ] then if [ "${1}. \tIN \tNS \t" != "" -a "$4.3" != "" echo -e a "${4}. \tIN \tA \t$3" echo != " "] then
echo -e "${1}. \tIN \tNS \t$4." echo -e "${4}. \tIN \tA \t$3" echo " " fi fi fi
let a=a+56 let b=b+56
#read xxxdone</pre>= Sample Output =<pre>$TTL 3600@ IN SOA rns.cp.net. admin.cp.net. (1735109 1h 15m 30d 1h) IN NS rns.cp.net.rns.cp.net. IN A 192.168.99.253cp.net. IN NS ns.cp.net.ns.cp.net. IN A 192.168.99.1 Raymond.com. IN NS ns.raymond.com.ns.raymond.com. IN A 192.168.98.53 donegcyao.net. IN NS pri-dns.gcyao.net.pri-dns.gcyao.net. IN A 192.168.33.53 bdgushue.com. IN NS pri-dns.bdgushue.com.pri-dns.bdgushue.com. IN A 192.168.14.53 dcwood.com. IN NS pri-dns.dcwood.com.pri-dns.dcwood.com. IN A 192.168.32.53 falli2.com. IN NS pri-dns.falli2.com.pri-dns.falli2.com. IN A 192.168.2.53 tnemat.com. IN NS a2-dns.tnemat.com.a2-dns.tnemat.com. IN A 192.168.25.53 accarneirobrandao.net. IN NS pri-dns.accarneirobrandao.net.pri-dns.accarneirobrandao.net. IN A 192.168.7.53</pre>
