1
|
|
|
# -*- coding: utf-8 -*- |
2
|
|
|
# |
3
|
|
|
# This file is part of Glances. |
4
|
|
|
# |
5
|
|
|
# Copyright (C) 2019 Nicolargo <[email protected]> |
6
|
|
|
# |
7
|
|
|
# Glances is free software; you can redistribute it and/or modify |
8
|
|
|
# it under the terms of the GNU Lesser General Public License as published by |
9
|
|
|
# the Free Software Foundation, either version 3 of the License, or |
10
|
|
|
# (at your option) any later version. |
11
|
|
|
# |
12
|
|
|
# Glances is distributed in the hope that it will be useful, |
13
|
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of |
14
|
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15
|
|
|
# GNU Lesser General Public License for more details. |
16
|
|
|
# |
17
|
|
|
# You should have received a copy of the GNU Lesser General Public License |
18
|
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>. |
19
|
|
|
|
20
|
|
|
"""IP plugin.""" |
21
|
|
|
|
22
|
|
|
import threading |
|
|
|
|
23
|
|
|
from json import loads |
|
|
|
|
24
|
|
|
|
25
|
|
|
from glances.compat import iterkeys, urlopen, queue |
|
|
|
|
26
|
|
|
from glances.logger import logger |
|
|
|
|
27
|
|
|
from glances.timer import Timer |
|
|
|
|
28
|
|
|
from glances.plugins.glances_plugin import GlancesPlugin |
|
|
|
|
29
|
|
|
|
30
|
|
|
# Import plugin specific dependency |
31
|
|
|
try: |
32
|
|
|
import netifaces |
|
|
|
|
33
|
|
|
except ImportError as e: |
|
|
|
|
34
|
|
|
import_error_tag = True |
|
|
|
|
35
|
|
|
logger.warning("Missing Python Lib ({}), IP plugin is disabled".format(e)) |
|
|
|
|
36
|
|
|
else: |
37
|
|
|
import_error_tag = False |
|
|
|
|
38
|
|
|
|
39
|
|
|
# List of online services to retreive public IP address |
40
|
|
|
# List of tuple (url, json, key) |
41
|
|
|
# - url: URL of the Web site |
42
|
|
|
# - json: service return a JSON (True) or string (False) |
43
|
|
|
# - key: key of the IP addresse in the JSON structure |
44
|
|
|
urls = [('https://ip.42.pl/raw', False, None), |
|
|
|
|
45
|
|
|
('https://httpbin.org/ip', True, 'origin'), |
46
|
|
|
('https://jsonip.com', True, 'ip'), |
47
|
|
|
('https://api.ipify.org/?format=json', True, 'ip')] |
48
|
|
|
|
49
|
|
|
|
50
|
|
|
class Plugin(GlancesPlugin): |
51
|
|
|
"""Glances IP Plugin. |
52
|
|
|
|
53
|
|
|
stats is a dict |
54
|
|
|
""" |
55
|
|
|
|
56
|
|
|
def __init__(self, args=None, config=None): |
57
|
|
|
"""Init the plugin.""" |
58
|
|
|
super(Plugin, self).__init__(args=args, config=config) |
59
|
|
|
|
60
|
|
|
# We want to display the stat in the curse interface |
61
|
|
|
self.display_curse = True |
62
|
|
|
|
63
|
|
|
# Get the public IP address once (not for each refresh) |
64
|
|
|
if not self.is_disable() and not import_error_tag: |
65
|
|
|
self.public_address = PublicIpAddress().get() |
66
|
|
|
|
67
|
|
|
@GlancesPlugin._check_decorator |
68
|
|
|
@GlancesPlugin._log_result_decorator |
69
|
|
|
def update(self): |
70
|
|
|
"""Update IP stats using the input method. |
71
|
|
|
|
72
|
|
|
Stats is dict |
73
|
|
|
""" |
74
|
|
|
# Init new stats |
75
|
|
|
stats = self.get_init_value() |
76
|
|
|
|
77
|
|
|
if self.input_method == 'local' and not import_error_tag: |
78
|
|
|
# Update stats using the netifaces lib |
79
|
|
|
try: |
80
|
|
|
default_gw = netifaces.gateways()['default'][netifaces.AF_INET] |
81
|
|
|
except (KeyError, AttributeError) as e: |
|
|
|
|
82
|
|
|
logger.debug("Cannot grab the default gateway ({})".format(e)) |
|
|
|
|
83
|
|
|
else: |
84
|
|
|
try: |
85
|
|
|
stats['address'] = netifaces.ifaddresses(default_gw[1])[netifaces.AF_INET][0]['addr'] |
|
|
|
|
86
|
|
|
stats['mask'] = netifaces.ifaddresses(default_gw[1])[netifaces.AF_INET][0]['netmask'] |
|
|
|
|
87
|
|
|
stats['mask_cidr'] = self.ip_to_cidr(stats['mask']) |
88
|
|
|
stats['gateway'] = netifaces.gateways()['default'][netifaces.AF_INET][0] |
|
|
|
|
89
|
|
|
stats['public_address'] = self.public_address |
90
|
|
|
except (KeyError, AttributeError) as e: |
|
|
|
|
91
|
|
|
logger.debug("Cannot grab IP information: {}".format(e)) |
|
|
|
|
92
|
|
|
elif self.input_method == 'snmp': |
93
|
|
|
# Not implemented yet |
94
|
|
|
pass |
95
|
|
|
|
96
|
|
|
# Update the stats |
97
|
|
|
self.stats = stats |
98
|
|
|
|
99
|
|
|
return self.stats |
100
|
|
|
|
101
|
|
|
def update_views(self): |
102
|
|
|
"""Update stats views.""" |
103
|
|
|
# Call the father's method |
104
|
|
|
super(Plugin, self).update_views() |
105
|
|
|
|
106
|
|
|
# Add specifics informations |
107
|
|
|
# Optional |
108
|
|
|
for key in iterkeys(self.stats): |
109
|
|
|
self.views[key]['optional'] = True |
110
|
|
|
|
111
|
|
|
def msg_curse(self, args=None, max_width=None): |
112
|
|
|
"""Return the dict to display in the curse interface.""" |
113
|
|
|
# Init the return message |
114
|
|
|
ret = [] |
115
|
|
|
|
116
|
|
|
# Only process if stats exist and display plugin enable... |
117
|
|
|
if not self.stats or self.is_disable() or import_error_tag: |
118
|
|
|
return ret |
119
|
|
|
|
120
|
|
|
# Build the string message |
121
|
|
|
msg = ' - ' |
122
|
|
|
ret.append(self.curse_add_line(msg)) |
123
|
|
|
msg = 'IP ' |
124
|
|
|
ret.append(self.curse_add_line(msg, 'TITLE')) |
125
|
|
|
if 'address' in self.stats: |
126
|
|
|
msg = '{}'.format(self.stats['address']) |
127
|
|
|
ret.append(self.curse_add_line(msg)) |
128
|
|
|
if 'mask_cidr' in self.stats: |
129
|
|
|
# VPN with no internet access (issue #842) |
130
|
|
|
msg = '/{}'.format(self.stats['mask_cidr']) |
131
|
|
|
ret.append(self.curse_add_line(msg)) |
132
|
|
|
try: |
133
|
|
|
msg_pub = '{}'.format(self.stats['public_address']) |
134
|
|
|
except (UnicodeEncodeError, KeyError): |
135
|
|
|
# Add KeyError exception (see https://github.com/nicolargo/glances/issues/1469) |
|
|
|
|
136
|
|
|
pass |
137
|
|
|
else: |
138
|
|
|
if self.stats['public_address'] is not None: |
139
|
|
|
msg = ' Pub ' |
140
|
|
|
ret.append(self.curse_add_line(msg, 'TITLE')) |
141
|
|
|
ret.append(self.curse_add_line(msg_pub)) |
142
|
|
|
|
143
|
|
|
return ret |
144
|
|
|
|
145
|
|
|
@staticmethod |
146
|
|
|
def ip_to_cidr(ip): |
|
|
|
|
147
|
|
|
"""Convert IP address to CIDR. |
148
|
|
|
|
149
|
|
|
Example: '255.255.255.0' will return 24 |
150
|
|
|
""" |
151
|
|
|
# Thanks to @Atticfire |
152
|
|
|
# See https://github.com/nicolargo/glances/issues/1417#issuecomment-469894399 |
|
|
|
|
153
|
|
|
return sum(bin(int(x)).count('1') for x in ip.split('.')) |
154
|
|
|
|
155
|
|
|
|
156
|
|
|
class PublicIpAddress(object): |
157
|
|
|
"""Get public IP address from online services.""" |
158
|
|
|
|
159
|
|
|
def __init__(self, timeout=2): |
160
|
|
|
"""Init the class.""" |
161
|
|
|
self.timeout = timeout |
162
|
|
|
|
163
|
|
|
def get(self): |
164
|
|
|
"""Get the first public IP address returned by one of the online services.""" |
|
|
|
|
165
|
|
|
q = queue.Queue() |
|
|
|
|
166
|
|
|
|
167
|
|
|
for u, j, k in urls: |
|
|
|
|
168
|
|
|
t = threading.Thread(target=self._get_ip_public, args=(q, u, j, k)) |
|
|
|
|
169
|
|
|
t.daemon = True |
170
|
|
|
t.start() |
171
|
|
|
|
172
|
|
|
timer = Timer(self.timeout) |
173
|
|
|
ip = None |
|
|
|
|
174
|
|
|
while not timer.finished() and ip is None: |
175
|
|
|
if q.qsize() > 0: |
176
|
|
|
ip = q.get() |
|
|
|
|
177
|
|
|
|
178
|
|
|
return ', '.join(set([x.strip() for x in ip.split(',')])) |
179
|
|
|
|
180
|
|
|
def _get_ip_public(self, queue_target, url, json=False, key=None): |
181
|
|
|
"""Request the url service and put the result in the queue_target.""" |
182
|
|
|
try: |
183
|
|
|
response = urlopen(url, timeout=self.timeout).read().decode('utf-8') |
184
|
|
|
except Exception as e: |
|
|
|
|
185
|
|
|
logger.debug("IP plugin - Cannot open URL {} ({})".format(url, e)) |
|
|
|
|
186
|
|
|
queue_target.put(None) |
187
|
|
|
else: |
188
|
|
|
# Request depend on service |
189
|
|
|
try: |
190
|
|
|
if not json: |
191
|
|
|
queue_target.put(response) |
192
|
|
|
else: |
193
|
|
|
queue_target.put(loads(response)[key]) |
194
|
|
|
except ValueError: |
195
|
|
|
queue_target.put(None) |
196
|
|
|
|