Nils Schneider
commit
c93d6c0192
91
backend.py
91
backend.py
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@ -6,6 +6,7 @@ https://github.com/ffnord/ffmap-backend
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import argparse
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import json
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import os
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import sys
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from datetime import datetime
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import networkx as nx
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@ -23,9 +24,37 @@ def main(params):
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now = datetime.utcnow().replace(microsecond=0)
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# parse mesh param and instantiate Alfred/Batman instances
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alfred_instances = []
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batman_instances = []
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for value in params['mesh']:
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# (1) only batman-adv if, no alfred sock
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if ':' not in value:
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if len(params['mesh']) > 1:
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raise ValueError(
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'Multiple mesh interfaces require the use of '
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'alfred socket paths.')
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alfred_instances.append(Alfred(unix_sockpath=None))
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batman_instances.append(Batman(mesh_interface=value))
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else:
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# (2) batman-adv if + alfred socket
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try:
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batif, alfredsock = value.split(':')
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alfred_instances.append(Alfred(unix_sockpath=alfredsock))
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batman_instances.append(Batman(mesh_interface=batif,
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alfred_sockpath=alfredsock))
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except ValueError:
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raise ValueError(
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'Unparseable value "{0}" in --mesh parameter.'.
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format(value))
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# read nodedb state from node.json
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with open(nodes_fn, 'r') as nodedb_handle:
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nodedb = json.load(nodedb_handle)
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try:
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with open(nodes_fn, 'r') as nodedb_handle:
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nodedb = json.load(nodedb_handle)
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except FileNotFoundError:
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nodedb = {'nodes': dict()}
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# flush nodedb if it uses the old format
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if 'links' in nodedb:
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nodedb = {'nodes': dict()}
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@ -36,9 +65,9 @@ def main(params):
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node['flags']['online'] = False
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# integrate alfred nodeinfo
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alfred = Alfred(unix_sockpath=params['alfred_sock'])
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nodes.import_nodeinfo(nodedb['nodes'], alfred.nodeinfo(),
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now, assume_online=True)
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for alfred in alfred_instances:
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nodes.import_nodeinfo(nodedb['nodes'], alfred.nodeinfo(),
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now, assume_online=True)
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# integrate static aliases data
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for aliases in params['aliases']:
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@ -47,22 +76,19 @@ def main(params):
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now, assume_online=False)
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nodes.reset_statistics(nodedb['nodes'])
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nodes.import_statistics(nodedb['nodes'], alfred.statistics())
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for alfred in alfred_instances:
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nodes.import_statistics(nodedb['nodes'], alfred.statistics())
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# initialize batman bindings for each mesh interface
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# and acquire gwl and visdata
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mesh_interfaces = frozenset(params['mesh'])
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mesh_info = {}
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for interface in mesh_interfaces:
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bm = Batman(mesh_interface=interface,
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alfred_sockpath=params['alfred_sock'])
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vd = bm.vis_data(True)
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gwl = bm.gateway_list()
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# acquire gwl and visdata for each batman instance
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mesh_info = []
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for batman in batman_instances:
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vd = batman.vis_data(True)
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gwl = batman.gateway_list()
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mesh_info[interface] = (vd, gwl)
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mesh_info.append((vd, gwl))
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# update nodedb from batman-adv data
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for vd, gwl in mesh_info.values():
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for vd, gwl in mesh_info:
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nodes.import_mesh_ifs_vis_data(nodedb['nodes'], vd)
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nodes.import_vis_clientcount(nodedb['nodes'], vd)
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nodes.mark_vis_data_online(nodedb['nodes'], vd, now)
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@ -70,11 +96,11 @@ def main(params):
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# clear the nodedb from nodes that have not been online in $prune days
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if params['prune']:
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nodes.prune_nodes(nodedb['nodes'], now, int(params['prune']))
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nodes.prune_nodes(nodedb['nodes'], now, params['prune'])
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# build nxnetworks graph from nodedb and visdata
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batadv_graph = nx.DiGraph()
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for vd, gwl in mesh_info.values():
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for vd, gwl in mesh_info:
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graph.import_vis_data(batadv_graph, nodedb['nodes'], vd)
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# force mac addresses to be vpn-link only (like gateways for example)
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@ -104,26 +130,25 @@ if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument('-a', '--aliases',
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help='read aliases from FILE',
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help='Read aliases from FILE',
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default=[], action='append',
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metavar='FILE')
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parser.add_argument('-m', '--mesh', action='append',
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default=['bat0'],
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help='batman mesh interface (defaults to bat0)')
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parser.add_argument('-s', '--alfred-sock',
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default=None,
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help='alfred unix socket path')
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parser.add_argument('-m', '--mesh',
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default=['bat0'], nargs='+',
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help='Use given batman-adv mesh interface(s) (defaults'
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'to bat0); specify alfred unix socket like '
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'bat0:/run/alfred0.sock.')
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parser.add_argument('-d', '--dest-dir', action='store',
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help='destination directory for generated files',
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help='Write output to destination directory',
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required=True)
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parser.add_argument('--vpn', action='append', metavar='MAC',
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help='assume MAC to be part of the VPN')
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parser.add_argument('--prune', metavar='DAYS',
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parser.add_argument('-V', '--vpn', nargs='+', metavar='MAC',
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help='Assume MAC addresses are part of vpn')
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parser.add_argument('-p', '--prune', metavar='DAYS', type=int,
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help='forget nodes offline for at least DAYS')
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parser.add_argument('--rrd', dest='rrd', action='store_true',
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parser.add_argument('--with-rrd', dest='rrd', action='store_true',
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default=False,
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help='create RRD graphs')
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help='enable the rendering of RRD graphs (cpu '
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'intensive)')
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options = vars(parser.parse_args())
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main(options)
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