139 lines
4.3 KiB
Python
139 lines
4.3 KiB
Python
from collections import Counter, defaultdict
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from datetime import datetime
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from functools import reduce
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def build_mac_table(nodes):
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macs = dict()
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for node_id, node in nodes.items():
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try:
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for mac in node['nodeinfo']['network']['mesh_interfaces']:
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macs[mac] = node_id
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except KeyError:
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pass
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return macs
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def prune_nodes(nodes, now, days):
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prune = []
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for node_id, node in nodes.items():
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if 'lastseen' not in node:
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prune.append(node_id)
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continue
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lastseen = datetime.strptime(node['lastseen'], '%Y-%m-%dT%H:%M:%S')
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delta = (now - lastseen).seconds
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if delta >= days * 86400:
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prune.append(node_id)
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for prune_key in prune:
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del nodes[prune_key]
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def mark_online(node, now):
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node['lastseen'] = now.isoformat()
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node.setdefault('firstseen', now.isoformat())
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node['flags']['online'] = True
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def import_nodeinfo(nodes, nodeinfos, now, assume_online=False):
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for nodeinfo in filter(lambda d: 'node_id' in d, nodeinfos):
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node = nodes.setdefault(nodeinfo['node_id'], {'flags': dict()})
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node['nodeinfo'] = nodeinfo
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node['flags']['online'] = False
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node['flags']['gateway'] = False
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if assume_online:
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mark_online(node, now)
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def reset_statistics(nodes):
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for node in nodes.values():
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node['statistics'] = {'clients': 0}
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def import_statistics(nodes, statistics):
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def add(node, statistics, target, source, f=lambda d: d):
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try:
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node['statistics'][target] = f(reduce(dict.__getitem__, source, statistics))
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except (KeyError, TypeError):
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pass
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macs = build_mac_table(nodes)
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statistics = filter(lambda d: 'node_id' in d, statistics)
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statistics = filter(lambda d: d['node_id'] in nodes, statistics)
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for node, statistics in map(lambda d: (nodes[d['node_id']], d), statistics):
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add(node, statistics, 'clients', ['clients', 'total'])
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add(node, statistics, 'gateway', ['gateway'], lambda d: macs.get(d, d))
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add(node, statistics, 'uptime', ['uptime'])
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add(node, statistics, 'loadavg', ['loadavg'])
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add(node, statistics, 'memory_usage', ['memory'], lambda d: 1 - d['free'] / d['total'])
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add(node, statistics, 'rootfs_usage', ['rootfs_usage'])
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def import_mesh_ifs_vis_data(nodes, vis_data):
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macs = build_mac_table(nodes)
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mesh_ifs = defaultdict(lambda: set())
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for line in filter(lambda d: 'secondary' in d, vis_data):
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primary = line['of']
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mesh_ifs[primary].add(primary)
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mesh_ifs[primary].add(line['secondary'])
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def if_to_node(ifs):
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a = filter(lambda d: d in macs, ifs)
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a = map(lambda d: nodes[macs[d]], a)
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try:
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return next(a), ifs
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except StopIteration:
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return None
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mesh_nodes = filter(lambda d: d, map(if_to_node, mesh_ifs.values()))
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for v in mesh_nodes:
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node = v[0]
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try:
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mesh_ifs = set(node['nodeinfo']['network']['mesh_interfaces'])
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except KeyError:
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mesh_ifs = set()
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node['nodeinfo']['network']['mesh_interfaces'] = list(mesh_ifs | v[1])
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def import_vis_clientcount(nodes, vis_data):
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macs = build_mac_table(nodes)
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data = filter(lambda d: d.get('label', None) == 'TT', vis_data)
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data = filter(lambda d: d['router'] in macs, data)
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data = map(lambda d: macs[d['router']], data)
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for node_id, clientcount in Counter(data).items():
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nodes[node_id]['statistics'].setdefault('clients', clientcount)
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def mark_gateways(nodes, gateways):
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macs = build_mac_table(nodes)
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gateways = filter(lambda d: d in macs, gateways)
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for node in map(lambda d: nodes[macs[d]], gateways):
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node['flags']['gateway'] = True
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def mark_vis_data_online(nodes, vis_data, now):
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macs = build_mac_table(nodes)
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online = set()
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for line in vis_data:
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if 'primary' in line:
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online.add(line['primary'])
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elif 'secondary' in line:
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online.add(line['secondary'])
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elif 'gateway' in line:
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# This matches clients' MACs.
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# On pre-Gluon nodes the primary MAC will be one of it.
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online.add(line['gateway'])
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for mac in filter(lambda d: d in macs, online):
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mark_online(nodes[macs[mac]], now)
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