1
|
|
|
# -*- coding: utf-8 -*- |
2
|
|
|
# |
3
|
|
|
# This file is part of Glances. |
4
|
|
|
# |
5
|
|
|
# Copyright (C) 2017 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
|
|
|
"""The stats manager.""" |
21
|
|
|
|
22
|
|
|
import re |
23
|
|
|
|
24
|
|
|
from glances.stats import GlancesStats |
25
|
|
|
from glances.compat import iteritems |
26
|
|
|
from glances.logger import logger |
27
|
|
|
|
28
|
|
|
# SNMP OID regexp pattern to short system name dict |
29
|
|
|
oid_to_short_system_name = {'.*Linux.*': 'linux', |
30
|
|
|
'.*Darwin.*': 'mac', |
31
|
|
|
'.*BSD.*': 'bsd', |
32
|
|
|
'.*Windows.*': 'windows', |
33
|
|
|
'.*Cisco.*': 'cisco', |
34
|
|
|
'.*VMware ESXi.*': 'esxi', |
35
|
|
|
'.*NetApp.*': 'netapp'} |
36
|
|
|
|
37
|
|
|
|
38
|
|
|
class GlancesStatsClientSNMP(GlancesStats): |
39
|
|
|
|
40
|
|
|
"""This class stores, updates and gives stats for the SNMP client.""" |
41
|
|
|
|
42
|
|
|
def __init__(self, config=None, args=None): |
43
|
|
|
super(GlancesStatsClientSNMP, self).__init__() |
44
|
|
|
|
45
|
|
|
# Init the configuration |
46
|
|
|
self.config = config |
47
|
|
|
|
48
|
|
|
# Init the arguments |
49
|
|
|
self.args = args |
50
|
|
|
|
51
|
|
|
# OS name is used because OID is differents between system |
52
|
|
|
self.os_name = None |
53
|
|
|
|
54
|
|
|
# Load AMPs, plugins and exports modules |
55
|
|
|
self.load_modules(self.args) |
56
|
|
|
|
57
|
|
|
def check_snmp(self): |
58
|
|
|
"""Chek if SNMP is available on the server.""" |
59
|
|
|
# Import the SNMP client class |
60
|
|
|
from glances.snmp import GlancesSNMPClient |
61
|
|
|
|
62
|
|
|
# Create an instance of the SNMP client |
63
|
|
|
clientsnmp = GlancesSNMPClient(host=self.args.client, |
64
|
|
|
port=self.args.snmp_port, |
65
|
|
|
version=self.args.snmp_version, |
66
|
|
|
community=self.args.snmp_community, |
67
|
|
|
user=self.args.snmp_user, |
68
|
|
|
auth=self.args.snmp_auth) |
69
|
|
|
|
70
|
|
|
# If we cannot grab the hostname, then exit... |
71
|
|
|
ret = clientsnmp.get_by_oid("1.3.6.1.2.1.1.5.0") != {} |
72
|
|
|
if ret: |
73
|
|
|
# Get the OS name (need to grab the good OID...) |
74
|
|
|
oid_os_name = clientsnmp.get_by_oid("1.3.6.1.2.1.1.1.0") |
75
|
|
|
try: |
76
|
|
|
self.system_name = self.get_system_name(oid_os_name['1.3.6.1.2.1.1.1.0']) |
77
|
|
|
logger.info("SNMP system name detected: {}".format(self.system_name)) |
78
|
|
|
except KeyError: |
79
|
|
|
self.system_name = None |
80
|
|
|
logger.warning("Cannot detect SNMP system name") |
81
|
|
|
|
82
|
|
|
return ret |
83
|
|
|
|
84
|
|
|
def get_system_name(self, oid_system_name): |
85
|
|
|
"""Get the short os name from the OS name OID string.""" |
86
|
|
|
short_system_name = None |
87
|
|
|
|
88
|
|
|
if oid_system_name == '': |
89
|
|
|
return short_system_name |
90
|
|
|
|
91
|
|
|
# Find the short name in the oid_to_short_os_name dict |
92
|
|
|
for r, v in iteritems(oid_to_short_system_name): |
93
|
|
|
if re.search(r, oid_system_name): |
94
|
|
|
short_system_name = v |
95
|
|
|
break |
96
|
|
|
|
97
|
|
|
return short_system_name |
98
|
|
|
|
99
|
|
|
def update(self): |
100
|
|
|
"""Update the stats using SNMP.""" |
101
|
|
|
# For each plugins, call the update method |
102
|
|
|
for p in self._plugins: |
103
|
|
|
if self._plugins[p].is_disable(): |
104
|
|
|
# If current plugin is disable |
105
|
|
|
# then continue to next plugin |
106
|
|
|
continue |
107
|
|
|
|
108
|
|
|
# Set the input method to SNMP |
109
|
|
|
self._plugins[p].input_method = 'snmp' |
110
|
|
|
self._plugins[p].short_system_name = self.system_name |
111
|
|
|
|
112
|
|
|
# Update the stats... |
113
|
|
|
try: |
114
|
|
|
self._plugins[p].update() |
115
|
|
|
except Exception as e: |
116
|
|
|
logger.error("Update {} failed: {}".format(p, e)) |
117
|
|
|
else: |
118
|
|
|
# ... the history |
119
|
|
|
self._plugins[p].update_stats_history() |
120
|
|
|
# ... and the views |
121
|
|
|
self._plugins[p].update_views() |
122
|
|
|
|