From ffbb2ae31da37049f04d50997ca71f5906bb59e7 Mon Sep 17 00:00:00 2001
From: Thomas Hooge <thomas@hoogi.de>
Date: Sat, 5 Aug 2017 09:08:03 +0200
Subject: [PATCH] =?UTF-8?q?fastd2redis.py=20hinzugef=C3=BCgt:=20Tunnelinfo?=
 =?UTF-8?q?rmationen?=
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---
 fastd2redis.py | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100755 fastd2redis.py

diff --git a/fastd2redis.py b/fastd2redis.py
new file mode 100755
index 0000000..a97e65b
--- /dev/null
+++ b/fastd2redis.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Dieses Programm sollte auf einem Gateway laufen
+# Es liefert Informationen über die Tunnel nach Redis
+
+import os  
+import sys   
+import socket
+import json
+import subprocess
+import datetime
+
+from rediscluster import StrictRedisCluster
+
+def get_gate_nodeid():
+    # Die ID kann statisch angegeben werden, falls das nicht
+    # der Fall ist, wird der Hostname angenommen
+    try:
+        with open('/etc/alfred/statics.json', 'r') as fh:
+            statics = json.load(fh)
+    except (IOError, ValueError):
+        return socket.gethostname()
+    try:
+        nodeid = statics['node']['node_id']
+    except:
+        nodeid = socket.gethostname()
+    return nodeid
+
+
+def main(rc):
+
+    # fastd-Socket auslesen, liefert ein JSON-Objekt
+    client = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+    try:
+        client.connect("/var/run/fastd/ffpi.sock")
+    except socket.error, msg:  
+        print >>sys.stderr, msg
+        sys.exit(1)
+    data = json.loads(client.makefile('r').read())
+    client.close()
+    # Ermittelte Daten aufbereiten und nach Redis schreiben
+    gate_id = get_gate_nodeid()
+    now = datetime.datetime.now().replace(microsecond=0).isoformat()
+    peers = {}
+    for key, peer in data['peers'].iteritems():
+        if peer['connection']:
+            try:
+                tunnel_id = peer['connection']['mac_addresses'][0].replace(':', '')
+            except IndexError:
+                continue
+            rckey = "fastd:tunnel:%s" % tunnel_id
+            rc.hset(rckey, 'key', key)
+            rc.hset(rckey, 'last_seen', now)
+            rc.hset(rckey, 'last_gate', gate_id)
+
+if __name__ == '__main__':
+    startup_nodes = [{"host": "127.0.0.1", "port": "7000"}]
+    try:
+        rc = StrictRedisCluster(startup_nodes=startup_nodes, decode_responses=True)
+    except ConnectionError:
+        # Kann z.B. bei lokalen Netzwerkproblemen auftreten
+        sys.exit(1)
+    main(rc)