From: Mike Frysinger <vapier@gentoo.org>
Date: Thu, 30 Jun 2011 20:54:28 +0000 (-0400)
Subject: add helper script for nsupdate
X-Git-Url: https://git.wh0rd.org/?a=commitdiff_plain;h=4a21f24bd9eddb4a82aa530256657805914866aa;p=home.git

add helper script for nsupdate
---

diff --git a/.bin/donsupdate b/.bin/donsupdate
new file mode 100755
index 0000000..ae7c176
--- /dev/null
+++ b/.bin/donsupdate
@@ -0,0 +1,25 @@
+#!/bin/sh
+[ "$1" = "-u" ] && UPDATE=true || UPDATE=false
+
+IP=`ip a s dev eth0 | sed -n '/inet 10\./s:.*inet \([^/ ]*\).*:\1:p'`
+
+doit() {
+	HOST=$1
+	DOMAIN="ad.analog.com"
+	FQDN="$HOST.$DOMAIN"
+
+	if ${UPDATE} ; then
+		currip=$(dig +short $FQDN)
+		[ "${currip}" = "${IP}" ] && return 0
+	fi
+
+	cat <<-EOF | nsupdate
+	server 10.64.53.110
+	update delete $FQDN A
+	update add $FQDN 86400 A $IP
+	send
+	EOF
+}
+
+doit vapier-adi
+doit vapier