From: Stefan Huber <shuber2@gmx.at>
Date: Mon, 29 Oct 2012 10:45:55 +0000 (+0100)
Subject: nsd-update: make a usable script out of it
X-Git-Url: https://git.sthu.org/?p=shutils.git;a=commitdiff_plain;h=f8f4b8fe0e71f39d211e2f6ff7d692a14d2173d8

nsd-update: make a usable script out of it
---

diff --git a/nsd-update b/nsd-update
old mode 100644
new mode 100755
index da701be..fb5f6d2
--- a/nsd-update
+++ b/nsd-update
@@ -1,2 +1,31 @@
 #!/bin/sh
-su shuber -c "ssh sthu.org \"echo $pubip > /tmp/euklid.ip\""
+
+watchfile=/tmp/$(hostname).ip
+
+while true; do
+        case $1 in
+                -h|--help)
+			echo "$0 [--watchfile=$watchfile] <server>"
+                        exit 0
+                        ;;
+		--watchfile)
+			watchfile=$2
+			shift
+			;;
+                *) break ;;
+        esac
+        shift
+done
+
+server=$1
+pubip=$(/usr/local/bin/printPublicIp)
+
+if ! echo "$pubip" | egrep -q "^([0-9]+\\.)+[0-9]+$" ; then
+	echo "Wrong IP address format"
+	exit 1
+fi
+
+echo "Notify $server that $(hostname) has address ${pubip}."
+
+. $HOME/.profile-sshagent
+ssh $server "echo $pubip > /tmp/euklid.ip"