add virtual script

scripts/virtual.sh

@@ -0,0 +1,42 @@
+#!/bin/bash -e
+##########################################################################
+# where am I ?
+SCRIPTPATH="$(cd "$(dirname "$0")" ; pwd -P)"
+DYNAMICPATH="$(cd ${SCRIPTPATH}/../dynamic; pwd -P)"
+
+##########################################################################
+
+if [ $# -lt 2 ]
+then
+    echo "Usage: $0 name ipv6 <ipv4>"
+    exit 1
+fi
+
+name="$1"
+ipv6="$2"
+ipv4="$3"
+
+# the IPv4 arg is optional
+if [ -z "$ipv4" ]
+then
+    echo "Updating DNS: $name -> $ipv6"
+    line=$(printf "    [ '%s', '%s' ]," "$name" "$ipv6" )
+else
+    echo "Updating DNS: $name -> $ipv6 / $ipv4"
+    line=$(printf "    [ '%s', '%s', '%s' ]," "$name" "$ipv6" "$ipv4")    
+fi
+
+pushd "$DYNAMICPATH" > /dev/null
+
+# remove any existing lines
+sed -i -e "/^    \[ '$name',/d" virtual.js
+
+# add a new line for this host
+sed -i -e "s!^    // insert here!    // insert here\n${line}!" virtual.js
+
+# commit
+git commit -a -m "Update $name"
+
+popd
+##########################################################################
+# end of file