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fix alot of pep8

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This commit is contained in:
Martin Weinelt 2015-03-24 16:49:37 +01:00
parent 9195ea9650
commit 3291b2b6ba
9 changed files with 421 additions and 380 deletions
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15
GlobalRRD.py
View file

@ -2,6 +2,7 @@ import os
import subprocess
from RRD import RRD, DS, RRA
class GlobalRRD(RRD):
ds_list = [
# Number of nodes available
@ -10,14 +11,17 @@ class GlobalRRD(RRD):
DS('clients', 'GAUGE', 120, 0, float('NaN')),
]
rra_list = [
RRA('AVERAGE', 0.5, 1, 120), # 2 hours of 1 minute samples
RRA('AVERAGE', 0.5, 60, 744), # 31 days of 1 hour samples
RRA('AVERAGE', 0.5, 1440, 1780),# ~5 years of 1 day samples
# 2 hours of 1 minute samples
RRA('AVERAGE', 0.5, 1, 120),
# 31 days of 1 hour samples
RRA('AVERAGE', 0.5, 60, 744),
# ~5 years of 1 day samples
RRA('AVERAGE', 0.5, 1440, 1780),
]
def __init__(self, directory):
super().__init__(os.path.join(directory, "nodes.rrd"))
self.ensureSanity(self.ds_list, self.rra_list, step=60)
self.ensure_sanity(self.ds_list, self.rra_list, step=60)
def update(self, nodeCount, clientCount):
super().update({'nodes': nodeCount, 'clients': clientCount})
@ -30,6 +34,5 @@ class GlobalRRD(RRD):
'DEF:nodes=' + self.filename + ':nodes:AVERAGE',
'LINE1:nodes#F00:nodes\\l',
'DEF:clients=' + self.filename + ':clients:AVERAGE',
'LINE2:clients#00F:clients',
]
'LINE2:clients#00F:clients']
subprocess.check_output(args)

27
NodeRRD.py
View file

@ -2,19 +2,24 @@ import os
import subprocess
from RRD import RRD, DS, RRA
class NodeRRD(RRD):
ds_list = [
DS('upstate', 'GAUGE', 120, 0, 1),
DS('clients', '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, 60, 720), # 30 days of 1 hour samples
RRA('AVERAGE', 0.5, 720, 730), # 1 year of 12 hour samples
# 2 hours of 1 minute samples
RRA('AVERAGE', 0.5, 1, 120),
# 5 days of 5 minute samples
RRA('AVERAGE', 0.5, 5, 1440),
# 30 days of 1 hour samples
RRA('AVERAGE', 0.5, 60, 720),
# 1 year of 12 hour samples
RRA('AVERAGE', 0.5, 720, 730),
]
def __init__(self, filename, node = None):
def __init__(self, filename, node=None):
"""
Create a new RRD for a given node.
@ -22,12 +27,13 @@ class NodeRRD(RRD):
"""
self.node = node
super().__init__(filename)
self.ensureSanity(self.ds_list, self.rra_list, step=60)
self.ensure_sanity(self.ds_list, self.rra_list, step=60)
@property
def imagename(self):
return os.path.basename(self.filename).rsplit('.', 2)[0] + ".png"
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):
super().update({'upstate': int(self.node['flags']['online']), 'clients': self.node['statistics']['clients']})
@ -36,8 +42,8 @@ class NodeRRD(RRD):
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 ,
args = ['rrdtool', 'graph', os.path.join(directory, self.imagename),
'-s', '-' + timeframe,
'-w', '800',
'-h', '400',
'-l', '0',
@ -48,6 +54,5 @@ class NodeRRD(RRD):
'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',
]
'LINE1:c#00F:clients connected\\l']
subprocess.check_output(args)

65
RRD.py
View file

@ -1,19 +1,20 @@
import subprocess
import re
import io
import os
from tempfile import TemporaryFile
from operator import xor, eq
from functools import reduce
from itertools import starmap
import math
class RRDIncompatibleException(Exception):
"""
Is raised when an RRD doesn't have the desired definition and cannot be
upgraded to it.
"""
pass
class RRDOutdatedException(Exception):
"""
Is raised when an RRD doesn't have the desired definition, but can be
@ -25,7 +26,8 @@ if not hasattr(__builtins__, "FileNotFoundError"):
class FileNotFoundError(Exception):
pass
class RRD:
class RRD(object):
"""
An RRD is a Round Robin Database, a database which forgets old data and
aggregates multiple records into new ones.
@ -49,7 +51,7 @@ class RRD:
def _exec_rrdtool(self, cmd, *args, **kwargs):
pargs = ["rrdtool", cmd, self.filename]
for k,v in kwargs.items():
for k, v in kwargs.items():
pargs.extend(["--" + k, str(v)])
pargs.extend(args)
subprocess.check_output(pargs)
@ -57,7 +59,7 @@ class RRD:
def __init__(self, filename):
self.filename = filename
def ensureSanity(self, ds_list, rra_list, **kwargs):
def ensure_sanity(self, ds_list, rra_list, **kwargs):
"""
Create or upgrade the RRD file if necessary to contain all DS in
ds_list. If it needs to be created, the RRAs in rra_list and any kwargs
@ -65,13 +67,13 @@ class RRD:
database are NOT modified!
"""
try:
self.checkSanity(ds_list)
self.check_sanity(ds_list)
except FileNotFoundError:
self.create(ds_list, rra_list, **kwargs)
except RRDOutdatedException:
self.upgrade(ds_list)
def checkSanity(self, ds_list=()):
def check_sanity(self, ds_list=()):
"""
Check if the RRD file exists and contains (at least) the DS listed in
ds_list.
@ -82,7 +84,8 @@ class RRD:
if set(ds_list) - set(info['ds'].values()) != set():
for ds in ds_list:
if ds.name in info['ds'] and ds.type != info['ds'][ds.name].type:
raise RRDIncompatibleException("%s is %s but should be %s" % (ds.name, ds.type, info['ds'][ds.name].type))
raise RRDIncompatibleException("%s is %s but should be %s" %
(ds.name, ds.type, info['ds'][ds.name].type))
else:
raise RRDOutdatedException()
@ -106,7 +109,7 @@ class RRD:
old_ds = info['ds'][ds.name]
if info['ds'][ds.name].type != ds.type:
raise RuntimeError('Cannot convert existing DS "%s" from type "%s" to "%s"' %
(ds.name, old_ds.type, ds.type))
(ds.name, old_ds.type, ds.type))
ds.index = old_ds.index
new_ds[ds.index] = ds
else:
@ -116,12 +119,11 @@ class RRD:
dump = subprocess.Popen(
["rrdtool", "dump", self.filename],
stdout=subprocess.PIPE
)
stdout=subprocess.PIPE)
restore = subprocess.Popen(
["rrdtool", "restore", "-", self.filename + ".new"],
stdin=subprocess.PIPE
)
stdin=subprocess.PIPE)
echo = True
ds_definitions = True
for line in dump.stdout:
@ -143,16 +145,14 @@ class RRD:
<value>%s</value>
<unknown_sec> %i </unknown_sec>
</ds>
""" % (
ds.name,
ds.type,
ds.args[0],
ds.args[1],
ds.args[2],
ds.last_ds,
ds.value,
ds.unknown_sec)
, "utf-8"))
""" % (ds.name,
ds.type,
ds.args[0],
ds.args[1],
ds.args[2],
ds.last_ds,
ds.value,
ds.unknown_sec), "utf-8"))
if b'</cdp_prep>' in line:
restore.stdin.write(added_ds_num*b"""
@ -272,7 +272,8 @@ class RRD:
self._cached_info = info
return info
class DS:
class DS(object):
"""
DS stands for Data Source and represents one line of data points in a Round
Robin Database (RRD).
@ -284,6 +285,7 @@ class DS:
last_ds = 'U'
value = 0
unknown_sec = 0
def __init__(self, name, dst, *args):
self.name = name
self.type = dst
@ -293,7 +295,7 @@ class DS:
return "DS:%s:%s:%s" % (
self.name,
self.type,
":".join(map(str, self._nan_to_U_args()))
":".join(map(str, self._nan_to_u_args()))
)
def __repr__(self):
@ -305,22 +307,23 @@ class DS:
)
def __eq__(self, other):
return all(starmap(eq, zip(self._compare_keys(), other._compare_keys())))
return all(starmap(eq, zip(self.compare_keys(), other.compare_keys())))
def __hash__(self):
return reduce(xor, map(hash, self._compare_keys()))
return reduce(xor, map(hash, self.compare_keys()))
def _nan_to_U_args(self):
def _nan_to_u_args(self):
return tuple(
'U' if type(arg) is float and math.isnan(arg)
else arg
for arg in self.args
)
def _compare_keys(self):
return (self.name, self.type, self._nan_to_U_args())
def compare_keys(self):
return self.name, self.type, self._nan_to_u_args()
class RRA:
class RRA(object):
def __init__(self, cf, *args):
self.cf = cf
self.args = args

61
alfred.py
View file

@ -2,44 +2,49 @@
import subprocess
import json
def _fetch(data_type):
output = subprocess.check_output(["alfred-json", "-z", "-f", "json", "-r", str(data_type)])
return json.loads(output.decode("utf-8")).values()
output = subprocess.check_output(["alfred-json", "-z", "-f", "json", "-r", str(data_type)])
return json.loads(output.decode("utf-8")).values()
def nodeinfo():
return _fetch(158)
return _fetch(158)
def statistics():
return _fetch(159)
return _fetch(159)
def vis():
return _fetch(160)
return _fetch(160)
def aliases():
alias = {}
for node in nodeinfo():
node_alias = {}
if 'location' in node:
try:
node_alias['gps'] = str(node['location']['latitude']) + ' ' + str(node['location']['longitude'])
except:
pass
alias = {}
for node in nodeinfo():
node_alias = {}
if 'location' in node:
try:
node_alias['gps'] = str(node['location']['latitude']) + ' ' + str(node['location']['longitude'])
except KeyError:
pass
try:
node_alias['firmware'] = node['software']['firmware']['release']
except KeyError:
pass
try:
node_alias['firmware'] = node['software']['firmware']['release']
except KeyError:
pass
try:
node_alias['id'] = node['network']['mac']
except KeyError:
pass
try:
node_alias['id'] = node['network']['mac']
except KeyError:
pass
if 'hostname' in node:
node_alias['name'] = node['hostname']
elif 'name' in node:
node_alias['name'] = node['name']
if len(node_alias):
alias[node['network']['mac']] = node_alias
if 'hostname' in node:
node_alias['name'] = node['hostname']
elif 'name' in node:
node_alias['name'] = node['name']
if len(node_alias):
alias[node['network']['mac']] = node_alias
return alias
return alias

132
backend.py
View file

@ -1,9 +1,11 @@
#!/usr/bin/env python3
"""
backend.py - ffmap-backend runner
https://github.com/ffnord/ffmap-backend
"""
import argparse
import json
import os
import sys
import networkx as nx
from datetime import datetime
from networkx.readwrite import json_graph
@ -11,91 +13,89 @@ from networkx.readwrite import json_graph
import alfred
import nodes
import graph
from batman import batman
from rrddb import rrd
from batman import Batman
from rrddb import RRD
parser = argparse.ArgumentParser()
parser.add_argument('-a', '--aliases',
help='read aliases from FILE',
default=[],
action='append',
metavar='FILE')
def main(params):
if not params['mesh']:
params['mesh'] = ['bat0']
parser.add_argument('-m', '--mesh', action='append',
help='batman mesh interface')
nodes_fn = os.path.join(params['destination_directory'], 'nodes.json')
graph_fn = os.path.join(params['destination_directory'], 'graph.json')
parser.add_argument('-d', '--destination-directory', action='store',
help='destination directory for generated files',required=True)
now = datetime.utcnow().replace(microsecond=0)
parser.add_argument('--vpn', action='append', metavar='MAC',
help='assume MAC to be part of the VPN')
with open(nodes_fn, 'r') as nodedb_handle:
nodedb = json.load(nodedb_handle)
parser.add_argument('--prune', metavar='DAYS',
help='forget nodes offline for at least DAYS')
# flush nodedb if it uses the old format
if 'links' in nodedb:
nodedb = {'nodes': dict()}
args = parser.parse_args()
nodedb['timestamp'] = now.isoformat()
options = vars(args)
for node_id, node in nodedb['nodes'].items():
node['flags']['online'] = False
if not options['mesh']:
options['mesh'] = ['bat0']
nodes.import_nodeinfo(nodedb['nodes'], alfred.nodeinfo(), now, assume_online=True)
nodes_fn = os.path.join(options['destination_directory'], 'nodes.json')
graph_fn = os.path.join(options['destination_directory'], 'graph.json')
for aliases in params['aliases']:
with open(aliases, 'r') as f:
nodes.import_nodeinfo(nodedb['nodes'], json.load(f), now, assume_online=False)
now = datetime.utcnow().replace(microsecond=0)
nodes.reset_statistics(nodedb['nodes'])
nodes.import_statistics(nodedb['nodes'], alfred.statistics())
try:
nodedb = json.load(open(nodes_fn))
bm = list(map(lambda d: (d.vis_data(True), d.gateway_list()), map(Batman, params['mesh'])))
for vis_data, gateway_list in bm:
nodes.import_mesh_ifs_vis_data(nodedb['nodes'], vis_data)
nodes.import_vis_clientcount(nodedb['nodes'], vis_data)
nodes.mark_vis_data_online(nodedb['nodes'], vis_data, now)
nodes.mark_gateways(nodedb['nodes'], gateway_list)
# ignore if old format
if 'links' in nodedb:
raise
except:
nodedb = {'nodes': dict()}
if params['prune']:
nodes.prune_nodes(nodedb['nodes'], now, int(params['prune']))
nodedb['timestamp'] = now.isoformat()
batadv_graph = nx.DiGraph()
for vis_data, gateway_list in bm:
graph.import_vis_data(batadv_graph, nodedb['nodes'], vis_data)
for node_id, node in nodedb['nodes'].items():
node['flags']['online'] = False
if params['vpn']:
graph.mark_vpn(batadv_graph, frozenset(params['vpn']))
nodes.import_nodeinfo(nodedb['nodes'], alfred.nodeinfo(), now, assume_online=True)
batadv_graph = graph.merge_nodes(batadv_graph)
batadv_graph = graph.to_undirected(batadv_graph)
for aliases in options['aliases']:
with open(aliases, 'r') as f:
nodes.import_nodeinfo(nodedb['nodes'], json.load(f), now, assume_online=False)
with open(nodes_fn, 'w') as f:
json.dump(nodedb, f)
nodes.reset_statistics(nodedb['nodes'])
nodes.import_statistics(nodedb['nodes'], alfred.statistics())
with open(graph_fn, 'w') as f:
json.dump({'batadv': json_graph.node_link_data(batadv_graph)}, f)
bm = list(map(lambda d: (d.vis_data(True), d.gateway_list()), map(batman, options['mesh'])))
for vis_data, gateway_list in bm:
nodes.import_mesh_ifs_vis_data(nodedb['nodes'], vis_data)
nodes.import_vis_clientcount(nodedb['nodes'], vis_data)
nodes.mark_vis_data_online(nodedb['nodes'], vis_data, now)
nodes.mark_gateways(nodedb['nodes'], gateway_list)
scriptdir = os.path.dirname(os.path.realpath(__file__))
rrd = RRD(scriptdir + '/nodedb/', params['destination_directory'] + '/nodes')
rrd.update_database(nodedb['nodes'])
rrd.update_images()
if options['prune']:
nodes.prune_nodes(nodedb['nodes'], now, int(options['prune']))
batadv_graph = nx.DiGraph()
for vis_data, gateway_list in bm:
graph.import_vis_data(batadv_graph, nodedb['nodes'], vis_data)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
if options['vpn']:
graph.mark_vpn(batadv_graph, frozenset(options['vpn']))
parser.add_argument('-a', '--aliases',
help='read aliases from FILE',
default=[], action='append',
metavar='FILE')
parser.add_argument('-m', '--mesh', action='append',
help='batman mesh interface')
parser.add_argument('-d', '--destination-directory', action='store',
help='destination directory for generated files',
required=True)
parser.add_argument('--vpn', action='append', metavar='MAC',
help='assume MAC to be part of the VPN')
parser.add_argument('--prune', metavar='DAYS',
help='forget nodes offline for at least DAYS')
batadv_graph = graph.merge_nodes(batadv_graph)
batadv_graph = graph.to_undirected(batadv_graph)
options = vars(parser.parse_args())
with open(nodes_fn, 'w') as f:
json.dump(nodedb, f)
with open(graph_fn, 'w') as f:
json.dump({'batadv': json_graph.node_link_data(batadv_graph)}, f)
scriptdir = os.path.dirname(os.path.realpath(__file__))
rrd = rrd(scriptdir + '/nodedb/', options['destination_directory'] + '/nodes')
rrd.update_database(nodedb['nodes'])
rrd.update_images()
main(options)

142
batman.py
View file

@ -1,82 +1,90 @@
#!/usr/bin/env python3
import subprocess
import json
import re
class batman:
""" Bindings for B.A.T.M.A.N. advanced batctl tool
"""
def __init__(self, mesh_interface = "bat0"):
self.mesh_interface = mesh_interface
def vis_data(self,batadv_vis=False):
vds = self.vis_data_batctl_legacy()
if batadv_vis:
vds += self.vis_data_batadv_vis()
return vds
def vis_data_helper(self,lines):
vd = []
for line in lines:
try:
utf8_line = line.decode("utf-8")
vd.append(json.loads(utf8_line))
except e:
pass
return vd
def vis_data_batctl_legacy(self):
""" Parse "batctl -m <mesh_interface> vd json -n" into an array of dictionaries.
class Batman(object):
"""
output = subprocess.check_output(["batctl","-m",self.mesh_interface,"vd","json","-n"])
lines = output.splitlines()
vds = self.vis_data_helper(lines)
return vds
def vis_data_batadv_vis(self):
""" Parse "batadv-vis -i <mesh_interface> -f json" into an array of dictionaries.
Bindings for B.A.T.M.A.N. Advanced
commandline interface "batctl"
"""
output = subprocess.check_output(["batadv-vis","-i",self.mesh_interface,"-f","json"])
lines = output.splitlines()
return self.vis_data_helper(lines)
def __init__(self, mesh_interface='bat0'):
self.mesh_interface = mesh_interface
def gateway_list(self):
""" Parse "batctl -m <mesh_interface> gwl -n" into an array of dictionaries.
"""
output = subprocess.check_output(["batctl","-m",self.mesh_interface,"gwl","-n"])
output_utf8 = output.decode("utf-8")
lines = output_utf8.splitlines()
def vis_data(self, batadv_vis=False):
vds = self.vis_data_batctl_legacy()
if batadv_vis:
vds += self.vis_data_batadv_vis()
return vds
own_mac = re.match(r"^.*MainIF/MAC: [^/]+/([0-9a-f:]+).*$", lines[0]).group(1)
@staticmethod
def vis_data_helper(lines):
vd_tmp = []
for line in lines:
try:
utf8_line = line.decode('utf-8')
vd_tmp.append(json.loads(utf8_line))
except UnicodeDecodeError:
pass
return vd_tmp
gw = []
gw_mode = self.gateway_mode()
if gw_mode['mode'] == 'server':
gw.append(own_mac)
def vis_data_batctl_legacy(self):
"""
Parse "batctl -m <mesh_interface> vd json -n" into an array of dictionaries.
"""
output = subprocess.check_output(['batctl', '-m', self.mesh_interface, 'vd', 'json', '-n'])
lines = output.splitlines()
vds = self.vis_data_helper(lines)
return vds
for line in lines:
gw_line = re.match(r"^(?:=>)? +([0-9a-f:]+) ", line)
if gw_line:
gw.append(gw_line.group(1))
def vis_data_batadv_vis(self):
"""
Parse "batadv-vis -i <mesh_interface> -f json" into an array of dictionaries.
"""
output = subprocess.check_output(['batadv-vis', '-i', self.mesh_interface, '-f', 'json'])
lines = output.splitlines()
return self.vis_data_helper(lines)
return gw
def gateway_list(self):
"""
Parse "batctl -m <mesh_interface> gwl -n" into an array of dictionaries.
"""
output = subprocess.check_output(['batctl', '-m', self.mesh_interface, 'gwl', '-n'])
output_utf8 = output.decode('utf-8')
lines = output_utf8.splitlines()
def gateway_mode(self):
""" Parse "batctl -m <mesh_interface> gw"
"""
output = subprocess.check_output(["batctl","-m",self.mesh_interface,"gw"])
elements = output.decode("utf-8").split()
mode = elements[0]
if mode == "server":
return {'mode': 'server', 'bandwidth': elements[3]}
else:
return {'mode': mode}
own_mac = re.match(r"^.*MainIF/MAC: [^/]+/([0-9a-f:]+).*$", lines[0]).group(1)
gateways = []
gw_mode = self.gateway_mode()
if gw_mode['mode'] == 'server':
gateways.append(own_mac)
for line in lines:
gw_line = re.match(r"^(?:=>)? +([0-9a-f:]+) ", line)
if gw_line:
gateways.append(gw_line.group(1))
return gateways
def gateway_mode(self):
"""
Parse "batctl -m <mesh_interface> gw"
"""
output = subprocess.check_output(['batctl', '-m', self.mesh_interface, 'gw'])
elements = output.decode("utf-8").split()
mode = elements[0]
if mode == 'server':
return {'mode': 'server',
'bandwidth': elements[3]}
else:
return {'mode': mode}
if __name__ == "__main__":
bc = batman()
vd = bc.vis_data()
gw = bc.gateway_list()
for x in vd:
print(x)
print(gw)
print(bc.gateway_mode())
bc = Batman()
vd = bc.vis_data()
gw = bc.gateway_list()
for x in vd:
print(x)
print(gw)
print(bc.gateway_mode())

96
graph.py
View file

@ -1,66 +1,74 @@
import networkx as nx
from copy import deepcopy
from functools import reduce
from itertools import chain
from nodes import build_mac_table
def import_vis_data(graph, nodes, vis_data):
macs = build_mac_table(nodes)
nodes_a = map(lambda d: 2*[d['primary']], filter(lambda d: 'primary' in d, vis_data))
nodes_b = map(lambda d: [d['secondary'], d['of']], filter(lambda d: 'secondary' in d, vis_data))
graph.add_nodes_from(map(lambda a, b: (a, dict(primary=b, node_id=macs.get(b))), *zip(*chain(nodes_a, nodes_b))))
edges = filter(lambda d: 'neighbor' in d, vis_data)
graph.add_edges_from(map(lambda d: (d['router'], d['neighbor'], dict(tq=float(d['label']))), edges))
def import_vis_data(graph, nodes, vis_data):
macs = build_mac_table(nodes)
nodes_a = map(lambda d: 2*[d['primary']], filter(lambda d: 'primary' in d, vis_data))
nodes_b = map(lambda d: [d['secondary'], d['of']], filter(lambda d: 'secondary' in d, vis_data))
graph.add_nodes_from(map(lambda a, b: (a, dict(primary=b, node_id=macs.get(b))), *zip(*chain(nodes_a, nodes_b))))
edges = filter(lambda d: 'neighbor' in d, vis_data)
graph.add_edges_from(map(lambda d: (d['router'], d['neighbor'], dict(tq=float(d['label']))), edges))
def mark_vpn(graph, vpn_macs):
components = map(frozenset, nx.weakly_connected_components(graph))
components = filter(vpn_macs.intersection, components)
nodes = reduce(lambda a, b: a | b, components, set())
components = map(frozenset, nx.weakly_connected_components(graph))
components = filter(vpn_macs.intersection, components)
nodes = reduce(lambda a, b: a | b, components, set())
for node in nodes:
for k, v in graph[node].items():
v['vpn'] = True
for node in nodes:
for k, v in graph[node].items():
v['vpn'] = True
def to_multigraph(graph):
def f(a):
node = graph.node[a]
return node['primary'] if node else a
def f(a):
node = graph.node[a]
return node['primary'] if node else a
G = nx.MultiDiGraph()
map_node = lambda node, data: (data['primary'], dict(node_id=data['node_id'])) if data else (node, dict())
G.add_nodes_from(map(map_node, *zip(*graph.nodes_iter(data=True))))
G.add_edges_from(map(lambda a, b, data: (f(a), f(b), data), *zip(*graph.edges_iter(data=True))))
def map_node(node, data):
return (data['primary'], dict(node_id=data['node_id'])) if data else (node, dict())
digraph = nx.MultiDiGraph()
digraph.add_nodes_from(map(map_node, *zip(*graph.nodes_iter(data=True))))
digraph.add_edges_from(map(lambda a, b, data: (f(a), f(b), data), *zip(*graph.edges_iter(data=True))))
return digraph
return G
def merge_nodes(graph):
def merge_edges(data):
tq = min(map(lambda d: d['tq'], data))
vpn = all(map(lambda d: d.get('vpn', False), data))
return dict(tq=tq, vpn=vpn)
def merge_edges(data):
tq = min(map(lambda d: d['tq'], data))
vpn = all(map(lambda d: d.get('vpn', False), data))
return dict(tq=tq, vpn=vpn)
G = to_multigraph(graph)
H = nx.DiGraph()
H.add_nodes_from(G.nodes_iter(data=True))
edges = chain.from_iterable([[(e, d, merge_edges(G[e][d].values())) for d in G[e]] for e in G])
H.add_edges_from(edges)
multigraph = to_multigraph(graph)
digraph = nx.DiGraph()
digraph.add_nodes_from(multigraph.nodes_iter(data=True))
edges = chain.from_iterable([[(e, d, merge_edges(multigraph[e][d].values()))
for d in multigraph[e]] for e in multigraph])
digraph.add_edges_from(edges)
return digraph
return H
def to_undirected(graph):
G = nx.MultiGraph()
G.add_nodes_from(graph.nodes_iter(data=True))
G.add_edges_from(graph.edges_iter(data=True))
multigraph = nx.MultiGraph()
multigraph.add_nodes_from(graph.nodes_iter(data=True))
multigraph.add_edges_from(graph.edges_iter(data=True))
def merge_edges(data):
tq = max(map(lambda d: d['tq'], data))
vpn = all(map(lambda d: d.get('vpn', False), data))
return dict(tq=tq, vpn=vpn, bidirect=len(data) == 2)
def merge_edges(data):
tq = max(map(lambda d: d['tq'], data))
vpn = all(map(lambda d: d.get('vpn', False), data))
return dict(tq=tq, vpn=vpn, bidirect=len(data) == 2)
H = nx.Graph()
H.add_nodes_from(G.nodes_iter(data=True))
edges = chain.from_iterable([[(e, d, merge_edges(G[e][d].values())) for d in G[e]] for e in G])
H.add_edges_from(edges)
graph = nx.Graph()
graph.add_nodes_from(multigraph.nodes_iter(data=True))
edges = chain.from_iterable([[(e, d, merge_edges(multigraph[e][d].values()))
for d in multigraph[e]] for e in multigraph])
graph.add_edges_from(edges)
return H
return graph

191
nodes.py
View file

@ -2,128 +2,137 @@ from collections import Counter, defaultdict
from datetime import datetime
from functools import reduce
def build_mac_table(nodes):
macs = dict()
for node_id, node in nodes.items():
try:
for mac in node['nodeinfo']['network']['mesh_interfaces']:
macs[mac] = node_id
except KeyError:
pass
return macs
def build_mac_table(nodes):
macs = dict()
for node_id, node in nodes.items():
try:
for mac in node['nodeinfo']['network']['mesh_interfaces']:
macs[mac] = node_id
except KeyError:
pass
return macs
def prune_nodes(nodes, now, days):
prune = []
for node_id, node in nodes.items():
if not 'lastseen' in node:
prune.append(node_id)
continue
prune = []
for node_id, node in nodes.items():
if 'lastseen' not in node:
prune.append(node_id)
continue
lastseen = datetime.strptime(node['lastseen'], '%Y-%m-%dT%H:%M:%S')
delta = (now - lastseen).seconds
lastseen = datetime.strptime(node['lastseen'], '%Y-%m-%dT%H:%M:%S')
delta = (now - lastseen).seconds
if delta >= days * 86400:
prune.append(node_id)
if delta >= days * 86400:
prune.append(node_id)
for prune_key in prune:
del nodes[prune_key]
for node_id in prune:
del nodes[node_id]
def mark_online(node, now):
node['lastseen'] = now.isoformat()
node.setdefault('firstseen', now.isoformat())
node['flags']['online'] = True
node['lastseen'] = now.isoformat()
node.setdefault('firstseen', now.isoformat())
node['flags']['online'] = True
def import_nodeinfo(nodes, nodeinfos, now, assume_online=False):
for nodeinfo in filter(lambda d: 'node_id' in d, nodeinfos):
node = nodes.setdefault(nodeinfo['node_id'], {'flags': dict()})
node['nodeinfo'] = nodeinfo
node['flags']['online'] = False
node['flags']['gateway'] = False
for nodeinfo in filter(lambda d: 'node_id' in d, nodeinfos):
node = nodes.setdefault(nodeinfo['node_id'], {'flags': dict()})
node['nodeinfo'] = nodeinfo
node['flags']['online'] = False
node['flags']['gateway'] = False
if assume_online:
mark_online(node, now)
if assume_online:
mark_online(node, now)
def reset_statistics(nodes):
for node in nodes.values():
node['statistics'] = { 'clients': 0 }
for node in nodes.values():
node['statistics'] = {'clients': 0}
def import_statistics(nodes, statistics):
def add(node, statistics, target, source, f=lambda d: d):
try:
node['statistics'][target] = f(reduce(dict.__getitem__, source, statistics))
except (KeyError,TypeError):
pass
def add(node, statistics, target, source, f=lambda d: d):
try:
node['statistics'][target] = f(reduce(dict.__getitem__, source, statistics))
except (KeyError, TypeError):
pass
macs = build_mac_table(nodes)
statistics = filter(lambda d: 'node_id' in d, statistics)
statistics = filter(lambda d: d['node_id'] in nodes, statistics)
for node, statistics in map(lambda d: (nodes[d['node_id']], d), statistics):
add(node, statistics, 'clients', ['clients', 'total'])
add(node, statistics, 'gateway', ['gateway'], lambda d: macs.get(d, d))
add(node, statistics, 'uptime', ['uptime'])
add(node, statistics, 'loadavg', ['loadavg'])
add(node, statistics, 'memory_usage', ['memory'], lambda d: 1 - d['free'] / d['total'])
add(node, statistics, 'rootfs_usage', ['rootfs_usage'])
macs = build_mac_table(nodes)
statistics = filter(lambda d: 'node_id' in d, statistics)
statistics = filter(lambda d: d['node_id'] in nodes, statistics)
for node, statistics in map(lambda d: (nodes[d['node_id']], d), statistics):
add(node, statistics, 'clients', ['clients', 'total'])
add(node, statistics, 'gateway', ['gateway'], lambda d: macs.get(d, d))
add(node, statistics, 'uptime', ['uptime'])
add(node, statistics, 'loadavg', ['loadavg'])
add(node, statistics, 'memory_usage', ['memory'], lambda d: 1 - d['free'] / d['total'])
add(node, statistics, 'rootfs_usage', ['rootfs_usage'])
def import_mesh_ifs_vis_data(nodes, vis_data):
macs = build_mac_table(nodes)
macs = build_mac_table(nodes)
mesh_ifs = defaultdict(lambda: set())
for line in filter(lambda d: 'secondary' in d, vis_data):
primary = line['of']
mesh_ifs[primary].add(primary)
mesh_ifs[primary].add(line['secondary'])
mesh_ifs = defaultdict(lambda: set())
for line in filter(lambda d: 'secondary' in d, vis_data):
primary = line['of']
mesh_ifs[primary].add(primary)
mesh_ifs[primary].add(line['secondary'])
def if_to_node(ifs):
a = filter(lambda d: d in macs, ifs)
a = map(lambda d: nodes[macs[d]], a)
try:
return (next(a), ifs)
except StopIteration:
return None
def if_to_node(ifs):
a = filter(lambda d: d in macs, ifs)
a = map(lambda d: nodes[macs[d]], a)
try:
return next(a), ifs
except StopIteration:
return None
mesh_nodes = filter(lambda d: d, map(if_to_node, mesh_ifs.values()))
mesh_nodes = filter(lambda d: d, map(if_to_node, mesh_ifs.values()))
for v in mesh_nodes:
node = v[0]
for v in mesh_nodes:
node = v[0]
try:
mesh_ifs = set(node['nodeinfo']['network']['mesh_interfaces'])
except KeyError:
mesh_ifs = set()
try:
mesh_ifs = set(node['nodeinfo']['network']['mesh_interfaces'])
except KeyError:
mesh_ifs = set()
node['nodeinfo']['network']['mesh_interfaces'] = list(mesh_ifs | v[1])
node['nodeinfo']['network']['mesh_interfaces'] = list(mesh_ifs | v[1])
def import_vis_clientcount(nodes, vis_data):
macs = build_mac_table(nodes)
data = filter(lambda d: d.get('label', None) == 'TT', vis_data)
data = filter(lambda d: d['router'] in macs, data)
data = map(lambda d: macs[d['router']], data)
macs = build_mac_table(nodes)
data = filter(lambda d: d.get('label', None) == 'TT', vis_data)
data = filter(lambda d: d['router'] in macs, data)
data = map(lambda d: macs[d['router']], data)
for node_id, clientcount in Counter(data).items():
nodes[node_id]['statistics'].setdefault('clients', clientcount)
for node_id, clientcount in Counter(data).items():
nodes[node_id]['statistics'].setdefault('clients', clientcount)
def mark_gateways(nodes, gateways):
macs = build_mac_table(nodes)
gateways = filter(lambda d: d in macs, gateways)
macs = build_mac_table(nodes)
gateways = filter(lambda d: d in macs, gateways)
for node in map(lambda d: nodes[macs[d]], gateways):
node['flags']['gateway'] = True
for node in map(lambda d: nodes[macs[d]], gateways):
node['flags']['gateway'] = True
def mark_vis_data_online(nodes, vis_data, now):
macs = build_mac_table(nodes)
macs = build_mac_table(nodes)
online = set()
for line in vis_data:
if 'primary' in line:
online.add(line['primary'])
elif 'secondary' in line:
online.add(line['secondary'])
elif 'gateway' in line:
# This matches clients' MACs.
# On pre-Gluon nodes the primary MAC will be one of it.
online.add(line['gateway'])
online = set()
for line in vis_data:
if 'primary' in line:
online.add(line['primary'])
elif 'secondary' in line:
online.add(line['secondary'])
elif 'gateway' in line:
# This matches clients' MACs.
# On pre-Gluon nodes the primary MAC will be one of it.
online.add(line['gateway'])
for mac in filter(lambda d: d in macs, online):
mark_online(nodes[macs[mac]], now)
for mac in filter(lambda d: d in macs, online):
mark_online(nodes[macs[mac]], now)

72
rrddb.py
View file

@ -1,50 +1,50 @@
#!/usr/bin/env python3
import subprocess
import time
import os
from GlobalRRD import GlobalRRD
from NodeRRD import NodeRRD
class rrd:
def __init__( self
, databaseDirectory
, imagePath
, displayTimeGlobal = "7d"
, displayTimeNode = "1d"
):
self.dbPath = databaseDirectory
self.globalDb = GlobalRRD(self.dbPath)
self.imagePath = imagePath
self.displayTimeGlobal = displayTimeGlobal
self.displayTimeNode = displayTimeNode
self.currentTimeInt = (int(time.time())/60)*60
self.currentTime = str(self.currentTimeInt)
class RRD(object):
def __init__(self,
database_directory,
image_path,
display_time_global="7d",
display_time_node="1d"):
try:
os.stat(self.imagePath)
except:
os.mkdir(self.imagePath)
self.dbPath = database_directory
self.globalDb = GlobalRRD(self.dbPath)
self.imagePath = image_path
self.displayTimeGlobal = display_time_global
self.displayTimeNode = display_time_node
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()))
self.currentTimeInt = (int(time.time())/60)*60
self.currentTime = str(self.currentTimeInt)
self.globalDb.update(len(online_nodes), client_count)
for node_id, node in online_nodes.items():
rrd = NodeRRD(os.path.join(self.dbPath, node_id + '.rrd'), node)
rrd.update()
try:
os.stat(self.imagePath)
except OSError:
os.mkdir(self.imagePath)
def update_images(self):
self.globalDb.graph(os.path.join(self.imagePath, "globalGraph.png"), self.displayTimeGlobal)
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()))
nodeDbFiles = os.listdir(self.dbPath)
self.globalDb.update(len(online_nodes), client_count)
for node_id, node in online_nodes.items():
rrd = NodeRRD(os.path.join(self.dbPath, node_id + '.rrd'), node)
rrd.update()
for fileName in nodeDbFiles:
if not os.path.isfile(os.path.join(self.dbPath, fileName)):
continue
def update_images(self):
self.globalDb.graph(os.path.join(self.imagePath, "globalGraph.png"), self.displayTimeGlobal)
nodeName = os.path.basename(fileName).split('.')
if nodeName[1] == 'rrd' and not nodeName[0] == "nodes":
rrd = NodeRRD(os.path.join(self.dbPath, fileName))
rrd.graph(self.imagePath, self.displayTimeNode)
nodedb_files = os.listdir(self.dbPath)
for file_name in nodedb_files:
if not os.path.isfile(os.path.join(self.dbPath, file_name)):
continue
node_name = os.path.basename(file_name).split('.')
if node_name[1] == 'rrd' and not node_name[0] == "nodes":
rrd = NodeRRD(os.path.join(self.dbPath, file_name))
rrd.graph(self.imagePath, self.displayTimeNode)