Fix deprecated batctl option

maps only from nodelist.json

.gitignore

@@ -1,3 +1,6 @@
+# backups
+*~
+
 # script-generated
 aliases*.json
 nodedb/

backend.py

@@ -2,11 +2,20 @@
 """
 backend.py - ffmap-backend runner
 https://github.com/ffnord/ffmap-backend
+
+Erweiterte Version von Freifunk Pinneberg
+  - Graphiken aus RRD-Daten nur auf Anforderung erzeugen
+  - Verzeichnis für die RRD-Nodedb als Kommandozeilenparameter
+  - Statistikerzeugung korrigiert: Initialisierung und Befüllung
+    zu passenden Zeitpunkten
+
 """
 import argparse
+import configparser
 import json
 import os
 import sys
+import logging, logging.handlers
 from datetime import datetime
 
 import networkx as nx
@@ -22,6 +31,18 @@ from lib.validate import validate_nodeinfos
 NODES_VERSION = 1
 GRAPH_VERSION = 1
 
+cfg = {
+    'cfgfile': '/etc/ffmap/ffmap-test.cfg',
+    'logfile': '/var/log/ffmap.log',
+    'loglevel': 5,
+    'dest_dir': '/var/lib/ffmap/mapdata',
+    'aliases': [],
+    'prune': 0,
+    'nodedb': '/var/lib/ffmap/nodedb',
+    'rrd_data': False,
+    'rrd_graphs': False,
+    'redis': False
+}
 
 def main(params):
     os.makedirs(params['dest_dir'], exist_ok=True)
@@ -56,11 +77,11 @@ def main(params):
                     'Unparseable value "{0}" in --mesh parameter.'.
                     format(value))
 
-    # read nodedb state from node.json
+    # read nodedb state from nodes.json
     try:
         with open(nodes_fn, 'r') as nodedb_handle:
             nodedb = json.load(nodedb_handle)
-    except IOError:
+    except (IOError, ValueError):
         nodedb = {'nodes': dict()}
 
     # flush nodedb if it uses the old format
@@ -88,9 +109,8 @@ def main(params):
             nodes.import_nodeinfo(nodedb['nodes'], nodeinfo,
                                   now, assume_online=False)
 
+    # prepare statistics collection
     nodes.reset_statistics(nodedb['nodes'])
-    for alfred in alfred_instances:
-        nodes.import_statistics(nodedb['nodes'], alfred.statistics())
 
     # acquire gwl and visdata for each batman instance
     mesh_info = []
@@ -107,6 +127,10 @@ def main(params):
         nodes.mark_vis_data_online(nodedb['nodes'], vd, now)
         nodes.mark_gateways(nodedb['nodes'], gwl)
 
+    # get alfred statistics
+    for alfred in alfred_instances:
+        nodes.import_statistics(nodedb['nodes'], alfred.statistics())
+
     # clear the nodedb from nodes that have not been online in $prune days
     if params['prune']:
         nodes.prune_nodes(nodedb['nodes'], now, params['prune'])
@@ -151,35 +175,95 @@ def main(params):
 
     # optional rrd graphs (trigger with --rrd)
     if params['rrd']:
-        script_directory = os.path.dirname(os.path.realpath(__file__))
-        rrd = RRD(os.path.join(script_directory, 'nodedb'),
-                  os.path.join(params['dest_dir'], 'nodes'))
-        rrd.update_database(nodedb['nodes'], batadv_graph)
-        rrd.update_images()
+        if params['nodedb']:
+            rrd = RRD(params['nodedb'], os.path.join(params['dest_dir'], 'nodes'))
+        else:
+            script_directory = os.path.dirname(os.path.realpath(__file__))
+            rrd = RRD(os.path.join(script_directory, 'nodedb'),
+                      os.path.join(params['dest_dir'], 'nodes'))
+        rrd.update_database(nodedb['nodes'])
+        if params['img']:
+            rrd.update_images()
 
+def set_loglevel(nr):
+    """
+    Umsetzen der Nummer auf einen für "logging" passenden Wert
+    Die Nummer kann ein Wert zwischen 0 - kein Logging und 5 - Debug sein
+    """
+    level = (None, logging.CRITICAL, logging.ERROR, logging.WARNING,
+             logging.INFO, logging.DEBUG)
+    if nr > 5:
+        nr = 5
+    elif nr < 0:
+        nr = 0
+    return level[nr]
 
 if __name__ == '__main__':
-    parser = argparse.ArgumentParser()
+
+    # get options from command line
+    parser = argparse.ArgumentParser(
+        description = "Collect data for ffmap: creates json files and "
+                      "optional rrd data and graphs")
 
     parser.add_argument('-a', '--aliases',
                         help='Read aliases from FILE',
                         nargs='+', default=[], metavar='FILE')
     parser.add_argument('-m', '--mesh',
                         default=['bat0'], nargs='+',
-                        help='Use given batman-adv mesh interface(s) (defaults'
+                        help='Use given batman-adv mesh interface(s) (defaults '
                              'to bat0); specify alfred unix socket like '
                              'bat0:/run/alfred0.sock.')
     parser.add_argument('-d', '--dest-dir', action='store',
                         help='Write output to destination directory',
-                        required=True)
+                        required=False)
+    parser.add_argument('-c', '--config', action='store', metavar='FILE',
+                        help='read configuration from FILE')
     parser.add_argument('-V', '--vpn', nargs='+', metavar='MAC',
                         help='Assume MAC addresses are part of vpn')
     parser.add_argument('-p', '--prune', metavar='DAYS', type=int,
-                        help='forget nodes offline for at least DAYS')
-    parser.add_argument('--with-rrd', dest='rrd', action='store_true',
+                        help='Forget nodes offline for at least DAYS')
+    parser.add_argument('-r', '--with-rrd', dest='rrd', action='store_true',
                         default=False,
-                        help='enable the rendering of RRD graphs (cpu '
+                        help='Enable the collection of RRD data')
+    parser.add_argument('-n', '--nodedb', metavar='RRD_DIR', action='store',
+                        help='Directory for node RRD data files')
+    parser.add_argument('-i', '--with-img', dest='img', action='store_true',
+                        default=False,
+                        help='Enable the rendering of RRD graphs (cpu '
                              'intensive)')
 
     options = vars(parser.parse_args())
+    if options['config']:
+        cfg['cfgfile'] = options['config']
+
+    config = configparser.ConfigParser(cfg)
+    if config.read(cfg['cfgfile']):
+        if not options['nodedb']:
+            options['nodedb'] = config.get('rrd', 'nodedb')
+        if not options['dest_dir']:
+            options['dest_dir'] = config.get('global', 'dest_dir')
+        if not options['rrd']:
+            options['rrd'] = config.getboolean('rrd', 'enabled')
+        if not options['img']:
+            options['img'] = config.getboolean('rrd', 'graphs')
+        cfg['logfile'] = config.get('global', 'logfile')
+        cfg['loglevel'] = config.getint('global', 'loglevel')
+
+    # At this point global configuration is available. Time to enable logging
+    # Logging is handled by the operating system, so use WatchedFileHandler
+    handler = logging.handlers.WatchedFileHandler(cfg['logfile'])
+    handler.setFormatter(logging.Formatter(fmt='%(asctime)s %(levelname)s %(message)s',
+                                           datefmt='%Y-%m-%d %H:%M:%S'))
+    log = logging.getLogger()
+    log.addHandler(handler)
+    loglevel = set_loglevel(cfg['loglevel'])
+    if loglevel:
+        log.setLevel(loglevel)
+    else:
+        log.disabled = True
+
+    log.info("%s started" % sys.argv[0])
+    if os.path.isfile(cfg['cfgfile']):
+        log.info("using configuration from '%s'" % cfg['cfgfile'])
     main(options)
+    log.info("%s finished" % sys.argv[0])

ffmap-modify.py

@@ -0,0 +1,185 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+Knotendaten manuell ändern
+Das ist z.B. für ausgeschaltete Knoten interessant, die nur 
+temporär nicht zur Verfügung stehen. Die können ausgeblendet
+werden.
+Das ist besser als löschen, weil so die Statistik nicht
+verschwindet
+
+Änderungsprotokoll
+==================
+
+Version  Datum       Änderung(en)                                           von 
+-------- ----------- ------------------------------------------------------ ----
+1.0      2017-08-03  Programm in das ffmap-backend Projekt integriert       tho
+
+"""
+
+import argparse
+import configparser
+import json
+import os
+import sys
+import glob
+
+# Einstellungen werden in folgender Reihenfolge verarbeitet
+# später gesetzte Werte überschreiben frühere
+#  1. im Programm hart codiert
+#  2. aus der zentralen Konfigurationsdatei gelesen  
+#  3. als Kommandozeilenoptionen angegeben
+cfg = {
+    'cfgfile': '/etc/ffmap/ffmap.cfg',
+    'logfile': '/var/log/ffmap.log',
+    'loglevel': 2,
+    'dest_dir': '/var/lib/ffmap/mapdata',
+    'nodedb': '/var/lib/ffmap/nodedb',
+    'imgpath': '/var/www/meshviewer/stats/img'
+}
+
+roles_defined = ('node', 'temp', 'mobile', 'offloader', 'service', 'test', 'gate', 'plan', 'hidden')
+
+def main(cfg):
+
+    # Pfade zu den beteiligten Dateien
+    nodes_fn = os.path.join(cfg['dest_dir'], 'nodes.json')
+    nodelist_fn = os.path.join(cfg['dest_dir'], 'nodelist.json')
+
+    # 1. Knotendaten (NodeDB)
+    # 1.1 Daten laden
+    try:
+        with open(nodes_fn, 'r') as nodedb_handle:
+            nodedb = json.load(nodedb_handle)
+    except IOError:
+        print("Error reading nodedb file %s" % nodes_fn)
+        nodedb = {'nodes': dict()}
+    # 1.2 Knoten bearbeiten
+    changed = False
+    for n in cfg['nodeid']:
+        if n in nodedb['nodes']:
+            print("Modify %s in nodedb" % n)
+            if 'role' in cfg and cfg['role'] in roles_defined:
+                try:
+                    oldrole = nodedb['nodes'][n]['nodeinfo']['system']['role']
+                except KeyError:
+                    oldrole = '<unset>'
+                print("  - change role from '%s' to '%s'" % (oldrole, cfg['role']))
+                nodedb['nodes'][n]['nodeinfo']['system']['role'] = cfg['role']
+                changed = True
+            if 'location' in cfg:
+                print("  - remove location")
+                # del nodedb['nodes'][n]['nodeinfo']['location']
+                changed = True
+        else:
+            print("Node %s not found in nodedb" % n)        
+    # 1.3 Geänderte Daten zurückschreiben
+    if changed:
+        try:
+            with open(nodes_fn, 'w') as nodedb_handle:
+                json.dump(nodedb, nodedb_handle)
+        except IOError:
+            print("Error writing nodedb file %s" % nodes_fn)
+
+    # 2. Knotenliste (NodeList)
+    try:
+        with open(nodelist_fn, 'r') as nodelist_handle:
+            nodelist = json.load(nodelist_handle)
+    except IOError:
+        print("Error reading nodelist file %s" % nodelist_fn)
+        nodelist = {'nodelist': dict()}
+    # 2.1 Knoten bearbeiten
+    changed = False
+    ixlist = []
+    for nodeid in cfg['nodeid']:
+        found = False
+        for ix, node in enumerate(nodelist['nodes']):
+            if node['id'] == nodeid:
+                found = True
+                break
+        if found:
+            print("Modify %s in nodelist" % nodeid)
+            if 'role' in cfg and cfg['role'] in roles_defined:
+                try:
+                    oldrole = nodelist['nodes'][ix]['role']
+                except KeyError:
+                    oldrole = '<unset>'
+                print("  - change role from '%s' to '%s'" % (oldrole, cfg['role']))
+                nodelist['nodes'][ix]['role'] = cfg['role']
+            if 'location' in cfg:
+                print("  - remove location")
+                try:
+                    #del nodelist['nodes'][ix]['position']
+                    pass
+                except KeyError:
+                    pass
+                changed = True
+        else:
+            print ("Node %s not found in nodelist" % nodeid)
+    # 2.3 Geänderte Daten zurückschreiben
+    if changed:
+        try:
+            with open(nodelist_fn, 'w') as nodelist_handle:
+                json.dump(nodelist, nodelist_handle)
+        except IOError:
+            print("Error writing nodelist file %s" % nodelist_fn)
+
+if __name__ == "__main__":
+
+    # Optionen von der Kommandozeile lesen
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument('-c', '--config', action='store',
+                        help='Configuration file')
+
+    parser.add_argument('-d', '--dest-dir', action='store',
+                        help='Directory with JSON data files',
+                        required=False)
+
+    parser.add_argument('-i', '--nodeid', metavar='ID', action='store',
+                        nargs='+', required=True,
+                        help='Node id to modify')
+
+    parser.add_argument('-l', '--location', action='store_true',
+                        help='Clear location information (hides node)',
+                        required=False)
+
+    parser.add_argument('-r', '--role', action='store',
+                        help='Set new role',
+                        required=False)
+
+    # TODO
+    # Optionen was genau gemacht werden soll
+    # -p Position entfernen, Knoten wird nicht mehr angezeigt
+    # -r <rolle> Rolle einstellen
+
+    options = vars(parser.parse_args())
+
+
+    # Konfigurationsdatei einlesen
+    if options['config']:
+        cfg['cfgfile'] = options['config']
+    config = configparser.ConfigParser(cfg)
+    # config.read liefert eine Liste der geparsten Dateien
+    # zurück. Wenn sie leer ist, war z.B. die Datei nicht
+    # vorhanden
+    if config.read(cfg['cfgfile']):
+        if 'global' in config:
+            cfg['logfile'] = config['global']['logfile']
+            cfg['loglevel'] = config['global']['loglevel']
+            cfg['dest_dir'] = config['global']['dest_dir']
+    else:
+        print('Config file %s not parsed' % cfg['cfgfile'])
+
+    # Optionen von der Kommandozeile haben höchste Priorität
+    cfg['nodeid'] = options['nodeid']
+    if options['dest_dir']:
+        cfg['dest_dir'] = options['dest_dir']
+    if options['location']:
+        cfg['location'] = True
+    if options['role']:
+        cfg['role'] = options['role']
+
+    # Alles initialisiert, auf geht's
+    main(cfg)

ffmap-remove.py

@@ -0,0 +1,225 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+Lösche einen Knoten manuell aus dem Backend:
+- JSON
+  - NodeDB
+  - NodeList
+  - Graph
+- RRD-Dateien
+- Bilder vom Webserver
+
+Änderungsprotokoll
+==================
+
+Version  Datum       Änderung(en)                                           von 
+-------- ----------- ------------------------------------------------------ ----
+1.0      2017-01-06  Programm in das ffmap-backend Projekt integriert       tho
+
+"""
+
+import argparse
+import configparser
+import json
+import os
+import sys
+import glob
+
+# Einstellungen werden in folgender Reihenfolge verarbeitet
+# später gesetzte Werte überschreiben frühere
+#  1. im Programm hart codiert
+#  2. aus der zentralen Konfigurationsdatei gelesen  
+#  3. als Kommandozeilenoptionen angegeben
+cfg = {
+    'cfgfile': '/etc/ffmap/ffmap.cfg',
+    'logfile': '/var/log/ffmap.log',
+    'loglevel': 2,
+    'dest_dir': '/var/lib/ffmap/mapdata',
+    'nodedb': '/var/lib/ffmap/nodedb',
+    'imgpath': '/var/www/meshviewer/stats/img'
+}
+
+def main(cfg):
+
+    # Pfade zu den beteiligten Dateien
+    nodes_fn = os.path.join(cfg['dest_dir'], 'nodes.json')
+    graph_fn = os.path.join(cfg['dest_dir'], 'graph.json')
+    nodelist_fn = os.path.join(cfg['dest_dir'], 'nodelist.json')
+
+    # 1. Knotendaten (NodeDB) bereinigen
+    # 1.1 Daten laden
+    try:
+        with open(nodes_fn, 'r') as nodedb_handle:
+            nodedb = json.load(nodedb_handle)
+    except IOError:
+        print("Error reading nodedb file %s" % nodes_fn)
+        nodedb = {'nodes': dict()}
+    # 1.2 Knoten entfernen
+    changed = False
+    for n in cfg['nodeid']:
+        if n in nodedb['nodes']:
+            print("Remove %s from nodedb" % n)
+            del nodedb['nodes'][n]
+            changed = True
+        else:
+            print("Node %s not found in nodedb" % n)        
+    # 1.3 Geänderte Daten zurückschreiben
+    if changed:
+        try:
+            with open(nodes_fn, 'w') as nodedb_handle:
+                json.dump(nodedb, nodedb_handle)
+        except IOError:
+            print("Error writing nodedb file %s" % nodes_fn)
+
+    # 2. Knotenliste (NodeList) bereinigen
+    try:
+        with open(nodelist_fn, 'r') as nodelist_handle:
+            nodelist = json.load(nodelist_handle)
+    except IOError:
+        print("Error reading nodelist file %s" % nodelist_fn)
+        nodelist = {'nodelist': dict()}
+    # 2.1 Knoten entfernen
+    changed = False
+    ixlist = []
+    for nodeid in cfg['nodeid']:
+        found = False
+        for ix, node in enumerate(nodelist['nodes']):
+            if node['id'] == nodeid:
+                found = True
+                break
+        if found:
+            print("Remove %s from nodelist" % nodeid)
+            del nodelist['nodes'][ix]
+            changed = True
+        else:
+            print ("Node %s not found in nodelist" % nodeid)
+    # 2.3 Geänderte Daten zurückschreiben
+    if changed:
+        try:
+            with open(nodelist_fn, 'w') as nodelist_handle:
+                json.dump(nodelist, nodelist_handle)
+        except IOError:
+            print("Error writing nodelist file %s" % nodelist_fn)
+
+    # 3. Graph (NodeGraph) bereinigen
+    # 3.1 Graph laden
+    try:
+        with open(graph_fn, 'r') as graph_handle:
+            graph = json.load(graph_handle)
+    except IOError:
+        print("Error reading graph file %s" % graph_fn)
+        graph = {'graph': dict()}
+    # 3.2 Finde Knoten und Links
+    # Nodes und Links gehören zusammen   
+    changed = False
+    for nodeid in cfg['nodeid']:
+        found = False
+        for ixn, node in enumerate(graph["batadv"]["nodes"]):
+            # Es kann nodes ohne "node_id" geben
+            try:
+                if node["node_id"] == nodeid:
+                    found = True
+                    break
+            except KeyError:
+                pass
+        if found:
+            print("Found %s in graph nodes at index %d" % (nodeid, ixn))
+            del graph["batadv"]["nodes"][ixn]
+            # Suche Link source oder target dem gefundenen Index entsprechen
+            ixlist = []
+            for ixg, link in enumerate(graph["batadv"]["links"]):
+                if link["source"] == ixn:
+                    print("Found source link at index %d" % ixg)
+                    print("  -> %s" % graph["batadv"]["nodes"][link["target"]])
+                    ixlist.append(ixg)
+                if link["target"] == ixn:
+                    print("Found target link at index %d" % ixg)
+                    print("  -> %s" % graph["batadv"]["nodes"][link["source"]])
+                    ixlist.append(ixg)
+            for ix in ixlist:
+                del graph["batadv"]["nodes"][ix]
+            changed = True
+        else:
+            print("Node %s not found in graph nodes" % nodeid)
+    # 3.3 Zurückschreiben der geänderten Daten
+    if changed:
+        try:
+            with open(graph_fn, 'w') as graph_handle:
+                json.dump(graph, graph_handle)
+        except IOError:
+            print("Error writing graph file %s" % graph_fn)
+
+    # 4. Entferne RRD-Dateien
+    for nodeid in cfg['nodeid']:
+        rrdfile = os.path.join(cfg['nodedb'], nodeid+'.rrd')
+        if os.path.isfile(rrdfile):
+            print("Removing RRD database file %s" % os.path.basename(rrdfile))
+        else:
+            print("RRD database file %s not found" % os.path.basename(rrdfile))
+        try:
+            os.remove(rrdfile)
+        except OSError:
+            pass
+
+    # 5. Entferne Bilder vom Webserver
+    count_deleted = 0
+    for nodeid in cfg['nodeid']:
+        for imagefile in glob.glob(os.path.join(cfg['imgpath'], nodeid+'_*.png')):
+            print("Removing stats image %s" % os.path.basename(imagefile))
+            try:
+                os.remove(imagefile)
+                count_deleted += 1
+            except OSError:
+                pass
+    if count_deleted == 0:
+        print("No stats images found in %s" % cfg['imgpath'])
+
+if __name__ == "__main__":
+
+    # Optionen von der Kommandozeile lesen
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument('-c', '--config', action='store',
+                        help='Configuration file')
+
+    parser.add_argument('-d', '--dest-dir', action='store',
+                        help='Directory with JSON data files',
+                        required=False)
+
+    parser.add_argument('-i', '--nodeid', metavar='ID', action='store',
+                        nargs='+', required=True,
+                        help='Node id  to remove')
+
+    parser.add_argument('-n', '--nodedb', metavar='RRD_DIR', action='store',
+                        help='Directory for node RRD data files')
+
+    options = vars(parser.parse_args())
+
+
+    # Konfigurationsdatei einlesen
+    if options['config']:
+        cfg['cfgfile'] = options['config']
+    config = configparser.ConfigParser(cfg)
+    # config.read liefert eine Liste der geparsten Dateien
+    # zurück. Wenn sie leer ist, war z.B. die Datei nicht
+    # vorhanden
+    if config.read(cfg['cfgfile']):
+        if 'global' in config:
+            cfg['logfile'] = config['global']['logfile']
+            cfg['loglevel'] = config['global']['loglevel']
+            cfg['dest_dir'] = config['global']['dest_dir']
+        if 'rrd' in config:
+            cfg['nodedb'] = config['rrd']['nodedb']
+    else:
+        print('Config file %s not parsed' % cfg['cfgfile'])
+
+    # Optionen von der Kommandozeile haben höchste Priorität
+    cfg['nodeid'] = options['nodeid']
+    if options['dest_dir']:
+        cfg['dest_dir'] = options['dest_dir']
+    if options['nodedb']:
+        cfg['nodedb'] = options['nodedb']
+
+    # Alles initialisiert, auf geht's
+    main(cfg)

lib/GateRRD.py

@@ -0,0 +1,74 @@
+"""
+RRD for gateways
+"""
+
+import os
+import subprocess
+
+from lib.RRD import DS, RRA, RRD
+
+
+class GateRRD(RRD):
+    ds_list = [
+        DS('upstate', 'GAUGE', 120, 0, 1),
+        DS('clients', 'GAUGE', 120, 0, float('NaN')),
+        DS('loadavg', 'GAUGE', 120, 0, float('NaN')),
+        DS('leases', 'GAUGE', 120, 0, float('NaN')),       
+    ]
+    rra_list = [
+        RRA('AVERAGE', 0.5, 1, 120),    #  2 hours of  1 minute samples
+        RRA('AVERAGE', 0.5, 5, 1440),   #  5 days  of  5 minute samples
+        RRA('AVERAGE', 0.5, 15, 672),   #  7 days  of 15 minute samples
+        RRA('AVERAGE', 0.5, 60, 720),   # 30 days  of  1 hour   samples
+        RRA('AVERAGE', 0.5, 720, 730),  #  1 year  of 12 hour   samples
+    ]
+
+    def __init__(self, filename, node=None):
+        """
+        Create a new RRD for a given node.
+
+        If the RRD isn't supposed to be updated, the node can be omitted.
+        """
+        self.node = node
+        super().__init__(filename)
+        self.ensure_sanity(self.ds_list, self.rra_list, step=60)
+
+    @property
+    def imagename(self):
+        return "{basename}.png".format(
+            basename=os.path.basename(self.filename).rsplit('.', 2)[0])
+
+    # TODO: fix this, python does not support function overloading
+    def update(self):
+        values  = {
+            'upstate': int(self.node['flags']['online']),
+            'clients': float(self.node['statistics']['clients']),
+        }
+        if 'loadavg' in self.node['statistics']:
+            values['loadavg'] = float(self.node['statistics'].get('loadavg', 0))
+        # Gateways can send the peer count. We use the clients field to store data 
+        if 'peers' in self.node['statistics']:
+            values['clients'] = self.node['statistics']['peers']
+        if 'leases' in self.node['statistics']:
+            values['leases'] = self.node['statistics']['leases']
+        super().update(values)
+
+    def graph(self, directory, timeframe):
+        """
+        Create a graph in the given directory. The file will be named
+        basename.png if the RRD file is named basename.rrd
+        """
+        args = ['rrdtool', 'graph', os.path.join(directory, self.imagename),
+                '-s', '-' + timeframe,
+                '-w', '800',
+                '-h', '400',
+                '-l', '0',
+                '-y', '1:1',
+                'DEF:clients=' + self.filename + ':clients:AVERAGE',
+                'VDEF:maxc=clients,MAXIMUM',
+                'CDEF:c=0,clients,ADDNAN',
+                'CDEF:d=clients,UN,maxc,UN,1,maxc,IF,*',
+                'AREA:c#0F0:up\\l',
+                'AREA:d#F00:down\\l',
+                'LINE1:c#00F:clients connected\\l']
+        subprocess.check_output(args)

lib/NodeRRD.py

@@ -1,3 +1,7 @@
+"""
+RRD for nodes
+"""
+
 import os
 import subprocess
 
@@ -8,35 +12,22 @@ class NodeRRD(RRD):
     ds_list = [
         DS('upstate', 'GAUGE', 120, 0, 1),
         DS('clients', 'GAUGE', 120, 0, float('NaN')),
-        DS('neighbors', 'GAUGE', 120, 0, float('NaN')),
-        DS('vpn_neighbors', 'GAUGE', 120, 0, float('NaN')),
         DS('loadavg', 'GAUGE', 120, 0, float('NaN')),
-        DS('rx_bytes', 'DERIVE', 120, 0, float('NaN')),
-        DS('rx_packets', 'DERIVE', 120, 0, float('NaN')),
-        DS('tx_bytes', 'DERIVE', 120, 0, float('NaN')),
-        DS('tx_packets', 'DERIVE', 120, 0, float('NaN')),
-        DS('mgmt_rx_bytes', 'DERIVE', 120, 0, float('NaN')),
-        DS('mgmt_rx_packets', 'DERIVE', 120, 0, float('NaN')),
-        DS('mgmt_tx_bytes', 'DERIVE', 120, 0, float('NaN')),
-        DS('mgmt_tx_packets', 'DERIVE', 120, 0, float('NaN')),
-        DS('forward_bytes', 'DERIVE', 120, 0, float('NaN')),
-        DS('forward_packets', 'DERIVE', 120, 0, float('NaN')),
     ]
     rra_list = [
-        # 2 hours of  1 minute samples
-        RRA('AVERAGE', 0.5, 1, 120),
-        # 7 days  of  15 minute samples
-        RRA('AVERAGE', 0.5, 15, 672),
+        RRA('AVERAGE', 0.5, 1, 120),    #  2 hours of  1 minute samples
+        RRA('AVERAGE', 0.5, 5, 1440),   #  5 days  of  5 minute samples
+        RRA('AVERAGE', 0.5, 60, 720),   # 30 days  of  1 hour   samples
+        RRA('AVERAGE', 0.5, 720, 730),  #  1 year  of 12 hour   samples
     ]
 
-    def __init__(self, filename, node=None, graph=None):
+    def __init__(self, filename, node=None):
         """
         Create a new RRD for a given node.
 
         If the RRD isn't supposed to be updated, the node can be omitted.
         """
         self.node = node
-        self.node_graph = graph
         super().__init__(filename)
         self.ensure_sanity(self.ds_list, self.rra_list, step=60)
 
@@ -47,27 +38,12 @@ class NodeRRD(RRD):
 
     # TODO: fix this, python does not support function overloading
     def update(self):
-        values = {
+        values  = {
             'upstate': int(self.node['flags']['online']),
-            'clients': float(self.node['statistics']['clients']),
-            'loadavg': float(self.node['statistics'].get('loadavg', 0)),
+            'clients': self.node['statistics']['clients']
         }
-        for item in ('rx', 'tx', 'mgmt_rx', 'mgmt_tx', 'forward'):
-            try:
-                values.update({
-                    ('%s_bytes' % item): int(self.node['statistics'].get('traffic', {}).get(item, {}).get('bytes', 0)),
-                    ('%s_packets' % item): int(self.node['statistics'].get('traffic', {}).get(item, {}).get('packets', 0)),
-                })
-            except TypeError:
-                pass
-        try:
-            graph_node = next(key for key, node in self.node_graph.nodes(data=True) if node.get('node_id') == self.node['nodeinfo']['node_id'])
-            values.update({
-                'neighbors': float(len(self.node_graph[graph_node])),
-                'vpn_neighbors': float(len(list(filter(lambda edge: edge.get('vpn', False), self.node_graph[graph_node].values())))),
-            })
-        except StopIteration:
-            pass
+        if 'loadavg' in self.node['statistics']:
+            values['loadavg'] = float(self.node['statistics']['loadavg'])
         super().update(values)
 
     def graph(self, directory, timeframe):

lib/alfred.py

@@ -20,7 +20,11 @@ class Alfred(object):
         if self.unix_sock:
             cmd.extend(['-s', self.unix_sock])
 
-        output = subprocess.check_output(cmd)
+        # There should not be any warnings which would be sent by cron
+        # every minute. Therefore suppress error output of called program
+        FNULL = open(os.devnull, 'w')
+        output = subprocess.check_output(cmd, stderr=FNULL)
+        FNULL.close()
         return json.loads(output.decode("utf-8")).values()
 
     def nodeinfo(self):

lib/batman.py

@@ -3,7 +3,6 @@ import json
 import os
 import re
 
-
 class Batman(object):
     """
     Bindings for B.A.T.M.A.N. Advanced
@@ -22,7 +21,7 @@ class Batman(object):
         self.environ = env
 
         # compile regular expressions only once on startup
-        self.mac_addr_pattern = re.compile(r'(([a-z0-9]{2}:){5}[a-z0-9]{2})')
+        self.mac_addr_pattern = re.compile(r'(([a-f0-9]{2}:){5}[a-f0-9]{2})')
 
     def vis_data(self):
         return self.vis_data_batadv_vis()
@@ -52,10 +51,10 @@ class Batman(object):
 
     def gateway_list(self):
         """
-        Parse "batctl -m <mesh_interface> gwl -n"
+        Parse "batctl meshif <mesh_interface> gwl -n"
         into an array of dictionaries.
         """
-        cmd = ['batctl', '-m', self.mesh_interface, 'gwl', '-n']
+        cmd = ['batctl', 'meshif', self.mesh_interface, 'gwl', '-n']
         if os.geteuid() > 0:
             cmd.insert(0, 'sudo')
         output = subprocess.check_output(cmd, env=self.environ)
@@ -81,10 +80,10 @@ class Batman(object):
 
     def gateway_mode(self):
         """
-        Parse "batctl -m <mesh_interface> gw"
+        Parse "batctl meshif <mesh_interface> gw"
         return: tuple mode, bandwidth, if mode != server then bandwidth is None
         """
-        cmd = ['batctl', '-m', self.mesh_interface, 'gw']
+        cmd = ['batctl', 'meshif', self.mesh_interface, 'gw']
         if os.geteuid() > 0:
             cmd.insert(0, 'sudo')
         output = subprocess.check_output(cmd, env=self.environ)

lib/nodelist.py

@@ -13,12 +13,20 @@ def export_nodelist(now, nodedb):
         node_out["status"] = dict()
         node_out["status"]["online"] = node["flags"]["online"]
 
+        if "firstseen" in node:
+            node_out["status"]["firstcontact"] = node["firstseen"]
+
         if "lastseen" in node:
             node_out["status"]["lastcontact"] = node["lastseen"]
 
         if "clients" in node["statistics"]:
             node_out["status"]["clients"] = node["statistics"]["clients"]
 
+        if "role" in node["nodeinfo"]["system"]:
+            node_out["role"] = node["nodeinfo"]["system"]["role"]
+        else:
+            node_out["role"] = "node"
+
         nodelist.append(node_out)
 
     return {"version": "1.0.1", "nodes": nodelist, "updated_at": now.isoformat()}

lib/nodes.py

@@ -13,20 +13,10 @@ def build_mac_table(nodes):
             pass
 
         try:
-            for mac in node['nodeinfo']['network']['mesh']['bat0']['interfaces']['wireless']:
-                macs[mac] = node_id
-        except KeyError:
-            pass
-
-        try:
-            for mac in node['nodeinfo']['network']['mesh']['bat0']['interfaces']['tunnel']:
-                macs[mac] = node_id
-        except KeyError:
-            pass
-
-        try:
-            for mac in node['nodeinfo']['network']['mesh']['bat0']['interfaces']['other']:
-                macs[mac] = node_id
+            for upper_if in node['nodeinfo']['network']['mesh'].values():
+                for lower_if in upper_if['interfaces'].values():
+                    for mac in lower_if:
+                        macs[mac] = node_id
         except KeyError:
             pass
 

lib/rrddb.py

@@ -4,7 +4,7 @@ import os
 
 from lib.GlobalRRD import GlobalRRD
 from lib.NodeRRD import NodeRRD
-
+from lib.GateRRD import GateRRD
 
 class RRD(object):
     def __init__(self,
@@ -22,23 +22,30 @@ class RRD(object):
         self.currentTimeInt = (int(time.time()) / 60) * 60
         self.currentTime = str(self.currentTimeInt)
 
-        try:
-            os.stat(self.imagePath)
-        except OSError:
-            os.mkdir(self.imagePath)
-
-    def update_database(self, nodes, graph):
+    def update_database(self, nodes):
         online_nodes = dict(filter(
             lambda d: d[1]['flags']['online'], nodes.items()))
         client_count = sum(map(
             lambda d: d['statistics']['clients'], online_nodes.values()))
 
+        # Refresh global database
         self.globalDb.update(len(online_nodes), client_count)
+
+        # Refresh databases for all single nodes
         for node_id, node in online_nodes.items():
-            rrd = NodeRRD(os.path.join(self.dbPath, node_id + '.rrd'), node, graph)
+            if node['flags']['gateway']:
+                rrd = GateRRD(os.path.join(self.dbPath, node_id + '.rrd'), node)
+            else:
+                rrd = NodeRRD(os.path.join(self.dbPath, node_id + '.rrd'), node)
             rrd.update()
 
     def update_images(self):
+        # Create image path if it does not exist
+        try:
+            os.stat(self.imagePath)
+        except OSError:
+            os.mkdir(self.imagePath)
+
         self.globalDb.graph(os.path.join(self.imagePath, "globalGraph.png"),
                             self.displayTimeGlobal)