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roles/openhab2/templates/dynv6.sh.j2

@@ -0,0 +1,49 @@
+#!/bin/sh -e
+hostname="{{dynv6_name}}"
+device="{{dynv6_device}}"
+token="{{dynv6_token}}"
+file=$HOME/.dynv6.addr6
+[ -e $file ] && old=`cat $file`
+
+if [ -z "$hostname" -o -z "$token" ]; then
+  echo "Usage: token=<your-authentication-token> [netmask=64] $0 your-name.dynv6.net [device]"
+  exit 1
+fi
+
+if [ -z "$netmask" ]; then
+  netmask=128
+fi
+
+if [ -n "$device" ]; then
+  device="dev $device"
+fi
+address=$(ip -6 addr list scope global $device | grep -v " fd" | sed -n 's/.*inet6 \([0-9a-f:]\+\).*/\1/p' | head -n 1)
+
+if [ -e /usr/bin/curl ]; then
+  bin="curl -fsS"
+elif [ -e /usr/bin/wget ]; then
+  bin="wget -O-"
+else
+  echo "neither curl nor wget found"
+  exit 1
+fi
+
+if [ -z "$address" ]; then
+  echo "no IPv6 address found"
+  exit 1
+fi
+
+# address with netmask
+current=$address/$netmask
+
+if [ "$old" = "$current" ]; then
+  echo "IPv6 address unchanged"
+  exit
+fi
+
+# send addresses to dynv6
+$bin "http://dynv6.com/api/update?hostname=$hostname&ipv6=$current&token=$token"
+#$bin "http://ipv4.dynv6.com/api/update?hostname=$hostname&ipv4=auto&token=$token"
+
+# save current address
+echo $current > $file