/usr/lib/python3/dist-packages/glances/plugins/glances_system.py is in glances 2.11.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 | # -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2017 Nicolargo <nicolas@nicolargo.com>
#
# Glances is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Glances is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""System plugin."""
import os
import platform
import re
from io import open
from glances.compat import iteritems
from glances.plugins.glances_plugin import GlancesPlugin
# SNMP OID
snmp_oid = {'default': {'hostname': '1.3.6.1.2.1.1.5.0',
'system_name': '1.3.6.1.2.1.1.1.0'},
'netapp': {'hostname': '1.3.6.1.2.1.1.5.0',
'system_name': '1.3.6.1.2.1.1.1.0',
'platform': '1.3.6.1.4.1.789.1.1.5.0'}}
# SNMP to human read
# Dict (key: OS short name) of dict (reg exp OID to human)
# Windows:
# http://msdn.microsoft.com/en-us/library/windows/desktop/ms724832%28v=vs.85%29.aspx
snmp_to_human = {'windows': {'Windows Version 10.0': 'Windows 10 or Server 2016',
'Windows Version 6.3': 'Windows 8.1 or Server 2012R2',
'Windows Version 6.2': 'Windows 8 or Server 2012',
'Windows Version 6.1': 'Windows 7 or Server 2008R2',
'Windows Version 6.0': 'Windows Vista or Server 2008',
'Windows Version 5.2': 'Windows XP 64bits or 2003 server',
'Windows Version 5.1': 'Windows XP',
'Windows Version 5.0': 'Windows 2000'}}
def _linux_os_release():
"""Try to determine the name of a Linux distribution.
This function checks for the /etc/os-release file.
It takes the name from the 'NAME' field and the version from 'VERSION_ID'.
An empty string is returned if the above values cannot be determined.
"""
pretty_name = ''
ashtray = {}
keys = ['NAME', 'VERSION_ID']
try:
with open(os.path.join('/etc', 'os-release')) as f:
for line in f:
for key in keys:
if line.startswith(key):
ashtray[key] = re.sub(r'^"|"$', '', line.strip().split('=')[1])
except (OSError, IOError):
return pretty_name
if ashtray:
if 'NAME' in ashtray:
pretty_name = ashtray['NAME']
if 'VERSION_ID' in ashtray:
pretty_name += ' {}'.format(ashtray['VERSION_ID'])
return pretty_name
class Plugin(GlancesPlugin):
"""Glances' host/system plugin.
stats is a dict
"""
def __init__(self, args=None):
"""Init the plugin."""
super(Plugin, self).__init__(args=args)
# We want to display the stat in the curse interface
self.display_curse = True
# Init the stats
self.reset()
def reset(self):
"""Reset/init the stats."""
self.stats = {}
@GlancesPlugin._check_decorator
@GlancesPlugin._log_result_decorator
def update(self):
"""Update the host/system info using the input method.
Return the stats (dict)
"""
# Reset stats
self.reset()
if self.input_method == 'local':
# Update stats using the standard system lib
self.stats['os_name'] = platform.system()
self.stats['hostname'] = platform.node()
self.stats['platform'] = platform.architecture()[0]
if self.stats['os_name'] == "Linux":
try:
linux_distro = platform.linux_distribution()
except AttributeError:
self.stats['linux_distro'] = _linux_os_release()
else:
if linux_distro[0] == '':
self.stats['linux_distro'] = _linux_os_release()
else:
self.stats['linux_distro'] = ' '.join(linux_distro[:2])
self.stats['os_version'] = platform.release()
elif (self.stats['os_name'].endswith('BSD') or
self.stats['os_name'] == 'SunOS'):
self.stats['os_version'] = platform.release()
elif self.stats['os_name'] == "Darwin":
self.stats['os_version'] = platform.mac_ver()[0]
elif self.stats['os_name'] == "Windows":
os_version = platform.win32_ver()
self.stats['os_version'] = ' '.join(os_version[::2])
# if the python version is 32 bit perhaps the windows operating
# system is 64bit
if self.stats['platform'] == '32bit' and 'PROCESSOR_ARCHITEW6432' in os.environ:
self.stats['platform'] = '64bit'
else:
self.stats['os_version'] = ""
# Add human readable name
if self.stats['os_name'] == "Linux":
self.stats['hr_name'] = self.stats['linux_distro']
else:
self.stats['hr_name'] = '{} {}'.format(
self.stats['os_name'], self.stats['os_version'])
self.stats['hr_name'] += ' {}'.format(self.stats['platform'])
elif self.input_method == 'snmp':
# Update stats using SNMP
try:
self.stats = self.get_stats_snmp(
snmp_oid=snmp_oid[self.short_system_name])
except KeyError:
self.stats = self.get_stats_snmp(snmp_oid=snmp_oid['default'])
# Default behavor: display all the information
self.stats['os_name'] = self.stats['system_name']
# Windows OS tips
if self.short_system_name == 'windows':
for r, v in iteritems(snmp_to_human['windows']):
if re.search(r, self.stats['system_name']):
self.stats['os_name'] = v
break
# Add human readable name
self.stats['hr_name'] = self.stats['os_name']
return self.stats
def msg_curse(self, args=None):
"""Return the string to display in the curse interface."""
# Init the return message
ret = []
# Build the string message
if args.client:
# Client mode
if args.cs_status.lower() == "connected":
msg = 'Connected to '
ret.append(self.curse_add_line(msg, 'OK'))
elif args.cs_status.lower() == "snmp":
msg = 'SNMP from '
ret.append(self.curse_add_line(msg, 'OK'))
elif args.cs_status.lower() == "disconnected":
msg = 'Disconnected from '
ret.append(self.curse_add_line(msg, 'CRITICAL'))
# Hostname is mandatory
msg = self.stats['hostname']
ret.append(self.curse_add_line(msg, "TITLE"))
# System info
if self.stats['os_name'] == "Linux" and self.stats['linux_distro']:
msg = ' ({} {} / {} {})'.format(self.stats['linux_distro'],
self.stats['platform'],
self.stats['os_name'],
self.stats['os_version'])
else:
try:
msg = ' ({} {} {})'.format(self.stats['os_name'],
self.stats['os_version'],
self.stats['platform'])
except Exception:
msg = ' ({})'.format(self.stats['os_name'])
ret.append(self.curse_add_line(msg, optional=True))
# Return the message with decoration
return ret
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