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multi:
type: ipv4
help: Set Domain Name Server (DNS)
update: touch /etc/resolv.conf
if grep -q "$VAR(@)\($\|[[:space:]]\)" /etc/resolv.conf; then
exit 0
else
cli_ns_array=($(awk '{if (!$3) print $2}' /etc/resolv.conf))
cli_ns_array_len=${#cli_ns_array[*]}
line_num=0
if [ $cli_ns_array_len -gt 0 ]; then
grepped_ns_line=`grep "${cli_ns_array[$cli_ns_array_len-1]}$" -n /etc/resolv.conf`
echo ${grepped_ns_line%%:*} > /etc/resolv_tmp.conf
line_num=`cat /etc/resolv_tmp.conf`
fi
head -$line_num /etc/resolv.conf > /etc/resolv_tmp.conf
echo "nameserver $VAR(@)" >> /etc/resolv_tmp.conf
total_lines=`cat /etc/resolv.conf | wc -l`
rest_lines=`expr $total_lines - $line_num`
tail -$rest_lines /etc/resolv.conf >> /etc/resolv_tmp.conf
mv -f /etc/resolv_tmp.conf /etc/resolv.conf
fi &&
if [ -d /opt/vyatta/config/active/service/dns/forwarding ]; then
/opt/vyatta/sbin/vyatta-dns-forwarding.pl --update-dnsforwarding >&/dev/null
fi &&
if [ -f /etc/ntp.conf ] && grep -q 'server' /etc/ntp.conf; then
/usr/sbin/invoke-rc.d ntp restart >&/dev/null
fi
delete:expression: "sudo sh -c \"touch /etc/resolv.conf && \
sed -i '/$VAR(@)$/d' /etc/resolv.conf && \
if [ -f /etc/ntp.conf ] && grep -q 'server' /etc/ntp.conf; then \
/usr/sbin/invoke-rc.d ntp restart >&/dev/null; \
fi && \
if [ -d /opt/vyatta/config/active/service/dns/forwarding ]; then \
/opt/vyatta/sbin/vyatta-dns-forwarding.pl --update-dnsforwarding >&/dev/null; \
fi\" "
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