mirror of
https://github.com/munin-monitoring/contrib.git
synced 2018-11-08 00:59:34 +01:00
540 lines
18 KiB
Python
Executable File
540 lines
18 KiB
Python
Executable File
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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'''
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=head1 NAME
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tor_
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=head1 DESCRIPTION
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Wildcard plugin that gathers some metrics from the Tor deamon
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https://github.com/daftaupe/munin-tor
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Derived from https://github.com/mweinelt/munin-tor
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This plugin requires the stem library : https://stem.torproject.org/
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This plugin requires the GeoIP library : https://www.maxmind.com for the countries plugin
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Available plugins :
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tor_bandwidth # Graph the glabal bandwidth
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tor_connections # Graph the number of connexions
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tor_countries # Graph the countries represented our connexions
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tor_dormant # Graph if tor is dormant or not
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tor_flags # Graph the different flags of the relay
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tor_routers # Graph the number of routers seen by the relay
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tor_traffic # Graph the read/written traffic
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=head2 CONFIGURATION
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The default configuration is below
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[tor_*]
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user toranon # or any other user/group that is running tor
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group toranon
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env.torcachefile 'munin_tor_country_stats.json'
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env.torconnectmethod 'port'
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env.torgeoippath "/usr/share/GeoIP/GeoIP.dat"
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env.tormaxcountries 15
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env.torport 9051
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env.torsocket '/var/run/tor/control'
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To make it connect through a socket modify this way
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[tor_*]
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user toranon # or any other user/group that is running tor
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group toranon
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env.torcachefile 'munin_tor_country_stats.json'
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env.torconnectmethod 'socket'
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env.torgeoippath "/usr/share/GeoIP/GeoIP.dat"
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env.tormaxcountries 15
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env.torport 9051
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env.torsocket '/var/run/tor/control'
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=head1 COPYRIGHT
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MIT License
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=head1 AUTHOR
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Pierre-Alain TORET <pierre-alain.toret@protonmail.com>
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'''
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from __future__ import print_function
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import collections
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import json
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import os
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import sys
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try:
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import GeoIP
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import stem
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import stem.control
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import stem.connection
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except ImportError:
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# missing dependencies are reported via "autoconf"
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# thus failure is acceptable here
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pass
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default_torcachefile = 'munin_tor_country_stats.json'
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default_torconnectmethod = 'port'
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default_torgeoippath = "/usr/share/GeoIP/GeoIP.dat"
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default_tormaxcountries = 15
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default_torport = 9051
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default_torsocket = '/var/run/tor/control'
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#%# family=auto
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#%# capabilities=autoconf suggest
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class ConnectionError(Exception):
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"""Error connecting to the controller"""
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class AuthError(Exception):
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"""Error authenticating to the controller"""
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def authenticate(controller):
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try:
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controller.authenticate()
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return
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except stem.connection.MissingPassword:
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pass
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try:
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password = os.environ['torpassword']
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except KeyError:
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raise AuthError("Please configure the 'torpassword' "
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"environment variable")
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try:
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controller.authenticate(password=password)
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except stem.connection.PasswordAuthFailed:
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print("Authentication failed (incorrect password)", file=sys.stderr)
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def gen_controller():
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connect_method = os.environ.get('torconnectmethod', default_torconnectmethod)
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if connect_method == 'port':
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return stem.control.Controller.from_port(port=int(os.environ.get('torport', default_torport)))
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elif connect_method == 'socket':
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return stem.control.Controller.from_socket_file(path=os.environ.get('torsocket', default_torsocket))
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else:
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print("env.torconnectmethod contains an invalid value. Please specify either 'port' or 'socket'.", file=sys.stderr)
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sys.exit(1)
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#########################
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# Base Class
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#########################
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class TorPlugin(object):
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def __init__(self):
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raise NotImplementedError
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def conf(self):
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raise NotImplementedError
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@staticmethod
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def conf_from_dict(graph, labels):
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# header
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for key, val in graph.iteritems():
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print('graph_{} {}'.format(key, val))
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# values
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for label, attributes in labels.iteritems():
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for key, val in attributes.iteritems():
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print('{}.{} {}'.format(label, key, val))
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@staticmethod
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def autoconf():
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try:
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import stem
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except ImportError as e:
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print('no (failed to import the required python module "stem": {})'.format(e))
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try:
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import GeoIP
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except ImportError as e:
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print('no (failed to import the required python module "GeoIP": {})'.format(e))
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try:
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with gen_controller() as controller:
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try:
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authenticate(controller)
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print('yes')
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except stem.connection.AuthenticationFailure as e:
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print('no (Authentication failed: {})'.format(e))
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except stem.connection:
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print('no (Connection failed)')
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@staticmethod
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def suggest():
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options = ['bandwidth', 'connections', 'countries', 'dormant', 'flags', 'routers', 'traffic']
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for option in options:
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print(option)
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def fetch(self):
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raise NotImplementedError
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##########################
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# Child Classes
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##########################
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class TorBandwidth(TorPlugin):
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def __init__(self):
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pass
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def conf(self):
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graph = {'title': 'Tor observed bandwidth',
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'args': '-l 0 --base 1000',
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'vlabel': 'bytes/s',
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'category': 'network',
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'info': 'estimated capacity based on usage in bytes/s'}
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labels = {'bandwidth': {'label': 'bandwidth', 'min': 0, 'type': 'GAUGE'}}
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TorPlugin.conf_from_dict(graph, labels)
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def fetch(self):
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with gen_controller() as controller:
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try:
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authenticate(controller)
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except stem.connection.AuthenticationFailure as e:
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print('Authentication failed ({})'.format(e))
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return
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# Get fingerprint of our own relay to look up the descriptor for.
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# In Stem 1.3.0 and later, get_server_descriptor() will fetch the
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# relay's own descriptor if no argument is provided, so this will
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# no longer be needed.
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fingerprint = controller.get_info('fingerprint', None)
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if fingerprint is None:
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print("Error while reading fingerprint from Tor daemon", file=sys.stderr)
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sys.exit(1)
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response = controller.get_server_descriptor(fingerprint, None)
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if response is None:
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print("Error while getting server descriptor from Tor daemon", file=sys.stderr)
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sys.exit(1)
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print('bandwidth.value {}'.format(response.observed_bandwidth))
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class TorConnections(TorPlugin):
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def __init__(self):
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pass
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def conf(self):
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graph = {'title': 'Tor connections',
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'args': '-l 0 --base 1000',
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'vlabel': 'connections',
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'category': 'network',
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'info': 'OR connections by state'}
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labels = {'new': {'label': 'new', 'min': 0, 'max': 25000, 'type': 'GAUGE'},
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'launched': {'label': 'launched', 'min': 0, 'max': 25000, 'type': 'GAUGE'},
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'connected': {'label': 'connected', 'min': 0, 'max': 25000, 'type': 'GAUGE'},
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'failed': {'label': 'failed', 'min': 0, 'max': 25000, 'type': 'GAUGE'},
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'closed': {'label': 'closed', 'min': 0, 'max': 25000, 'type': 'GAUGE'}}
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TorPlugin.conf_from_dict(graph, labels)
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def fetch(self):
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with gen_controller() as controller:
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try:
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authenticate(controller)
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response = controller.get_info('orconn-status', None)
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if response is None:
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print("No response from Tor daemon in TorConnection.fetch()", file=sys.stderr)
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sys.exit(1)
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else:
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connections = response.split('\n')
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states = dict((state, 0) for state in stem.ORStatus)
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for connection in connections:
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states[connection.rsplit(None, 1)[-1]] += 1
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for state, count in states.iteritems():
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print('{}.value {}'.format(state.lower(), count))
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except stem.connection.AuthenticationFailure as e:
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print('Authentication failed ({})'.format(e))
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class TorCountries(TorPlugin):
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def __init__(self):
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# Configure plugin
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self.cache_dir_name = os.environ.get('torcachedir', None)
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if self.cache_dir_name is not None:
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self.cache_dir_name = os.path.join(self.cache_dir_name,
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os.environ.get('torcachefile', default_torcachefile))
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max_countries = os.environ.get('tormaxcountries', default_tormaxcountries)
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self.max_countries = int(max_countries)
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geoip_path = os.environ.get('torgeoippath', default_torgeoippath)
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self.geodb = GeoIP.open(geoip_path, GeoIP.GEOIP_MEMORY_CACHE)
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def conf(self):
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"""Configure plugin"""
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graph = {'title': 'Tor countries',
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'args': '-l 0 --base 1000',
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'vlabel': 'countries',
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'category': 'network',
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'info': 'OR connections by state'}
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labels = {}
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countries_num = self.top_countries()
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for c, v in countries_num:
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labels[c] = {'label': c, 'min': 0, 'max': 25000, 'type': 'GAUGE'}
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TorPlugin.conf_from_dict(graph, labels)
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# If needed, create cache file at config time
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if self.cache_dir_name:
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with open(self.cache_dir_name, 'w') as f:
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json.dump(countries_num, f)
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def fetch(self):
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"""Generate metrics"""
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# If possible, read cached data instead of doing the processing twice
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try:
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with open(self.cache_dir_name) as f:
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countries_num = json.load(f)
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except:
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# Fallback if cache_dir_name is not set, unreadable or any other
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# error
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countries_num = self.top_countries()
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for c, v in countries_num:
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print("%s.value %d" % (c, v))
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@staticmethod
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def _gen_ipaddrs_from_statuses(controller):
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"""Generate a sequence of ipaddrs for every network status"""
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for desc in controller.get_network_statuses():
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ipaddr = desc.address
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yield ipaddr
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@staticmethod
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def simplify(cn):
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"""Simplify country name"""
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cn = cn.replace(' ', '_')
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cn = cn.replace("'", '_')
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cn = cn.split(',', 1)[0]
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return cn
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def _gen_countries(self, controller):
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"""Generate a sequence of countries for every built circuit"""
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for ipaddr in self._gen_ipaddrs_from_statuses(controller):
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country = self.geodb.country_name_by_addr(ipaddr)
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if country is None:
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yield 'Unknown'
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continue
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yield self.simplify(country)
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def top_countries(self):
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"""Build a list of top countries by number of circuits"""
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with gen_controller() as controller:
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try:
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authenticate(controller)
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c = collections.Counter(self._gen_countries(controller))
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return sorted(c.most_common(self.max_countries))
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except stem.connection.AuthenticationFailure as e:
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print('Authentication failed ({})'.format(e))
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return []
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class TorDormant(TorPlugin):
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def __init__(self):
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pass
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def conf(self):
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graph = {'title': 'Tor dormant',
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'args': '-l 0 --base 1000',
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'vlabel': 'dormant',
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'category': 'network',
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'info': 'Is Tor not building circuits because it is idle?'}
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labels = {'dormant': {'label': 'dormant', 'min': 0, 'max': 1, 'type': 'GAUGE'}}
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TorPlugin.conf_from_dict(graph, labels)
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def fetch(self):
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with gen_controller() as controller:
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try:
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authenticate(controller)
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response = controller.get_info('dormant', None)
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if response is None:
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print("Error while reading dormant state from Tor daemon", file=sys.stderr)
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sys.exit(1)
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print('dormant.value {}'.format(response))
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except stem.connection.AuthenticationFailure as e:
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print('Authentication failed ({})'.format(e))
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class TorFlags(TorPlugin):
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def __init__(self):
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pass
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def conf(self):
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graph = {'title': 'Tor relay flags',
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'args': '-l 0 --base 1000',
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'vlabel': 'flags',
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'category': 'network',
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'info': 'Flags active for relay'}
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labels = {flag: {'label': flag, 'min': 0, 'max': 1, 'type': 'GAUGE'} for flag in stem.Flag}
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TorPlugin.conf_from_dict(graph, labels)
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def fetch(self):
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with gen_controller() as controller:
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try:
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authenticate(controller)
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except stem.connection.AuthenticationFailure as e:
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print('Authentication failed ({})'.format(e))
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return
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# Get fingerprint of our own relay to look up the status entry for.
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# In Stem 1.3.0 and later, get_network_status() will fetch the
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# relay's own status entry if no argument is provided, so this will
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# no longer be needed.
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fingerprint = controller.get_info('fingerprint', None)
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if fingerprint is None:
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print("Error while reading fingerprint from Tor daemon", file=sys.stderr)
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sys.exit(1)
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response = controller.get_network_status(fingerprint, None)
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if response is None:
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print("Error while getting server descriptor from Tor daemon", file=sys.stderr)
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sys.exit(1)
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for flag in stem.Flag:
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if flag in response.flags:
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print('{}.value 1'.format(flag))
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else:
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print('{}.value 0'.format(flag))
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class TorRouters(TorPlugin):
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def __init__(self):
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pass
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def conf(self):
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graph = {'title': 'Tor routers',
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'args': '-l 0',
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'vlabel': 'routers',
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'category': 'network',
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'info': 'known Tor onion routers'}
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labels = {'routers': {'label': 'routers', 'min': 0, 'type': 'GAUGE'} }
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TorPlugin.conf_from_dict(graph, labels)
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def fetch(self):
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with gen_controller() as controller:
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try:
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authenticate(controller)
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except stem.connection.AuthenticationFailure as e:
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print('Authentication failed ({})'.format(e))
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return
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response = controller.get_info('ns/all', None)
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if response is None:
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print("Error while reading ns/all from Tor daemon", file=sys.stderr)
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sys.exit(1)
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else:
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routers = response.split('\n')
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onr = 0
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for router in routers:
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if router[0] == "r":
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onr += 1
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print('routers.value {}'.format(onr))
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class TorTraffic(TorPlugin):
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def __init__(self):
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pass
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def conf(self):
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graph = {'title': 'Tor traffic',
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'args': '-l 0 --base 1024',
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'vlabel': 'data',
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'category': 'network',
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'info': 'bytes read/written'}
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labels = {'read': {'label': 'read', 'min': 0, 'type': 'DERIVE'},
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'written': {'label': 'written', 'min': 0, 'type': 'DERIVE'}}
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TorPlugin.conf_from_dict(graph, labels)
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def fetch(self):
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with gen_controller() as controller:
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try:
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authenticate(controller)
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except stem.connection.AuthenticationFailure as e:
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print('Authentication failed ({})'.format(e))
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return
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response = controller.get_info('traffic/read', None)
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if response is None:
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print("Error while reading traffic/read from Tor daemon", file=sys.stderr)
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sys.exit(1)
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print('read.value {}'.format(response))
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response = controller.get_info('traffic/written', None)
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if response is None:
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print("Error while reading traffic/write from Tor daemon", file=sys.stderr)
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sys.exit(1)
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print('written.value {}'.format(response))
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##########################
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# Main
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##########################
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def main():
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if len(sys.argv) > 1:
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param = sys.argv[1].lower()
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else:
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param = 'fetch'
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if param == 'autoconf':
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TorPlugin.autoconf()
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sys.exit()
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elif param == 'suggest':
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TorPlugin.suggest()
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sys.exit()
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else:
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# detect data provider
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if __file__.endswith('_bandwidth'):
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provider = TorBandwidth()
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elif __file__.endswith('_connections'):
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provider = TorConnections()
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elif __file__.endswith('_countries'):
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provider = TorCountries()
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elif __file__.endswith('_dormant'):
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provider = TorDormant()
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elif __file__.endswith('_flags'):
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provider = TorFlags()
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elif __file__.endswith('_routers'):
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provider = TorRouters()
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elif __file__.endswith('_traffic'):
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provider = TorTraffic()
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else:
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print('Unknown plugin name, try "suggest" for a list of possible ones.', file=sys.stderr)
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sys.exit(1)
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if param == 'config':
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provider.conf()
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elif param == 'fetch':
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provider.fetch()
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else:
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print('Unknown parameter "{}"'.format(param), file=sys.stderr)
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sys.exit(1)
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if __name__ == '__main__':
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main()
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