1
|
|
|
# -*- coding: utf-8 -*- |
2
|
|
|
# |
3
|
|
|
# This file is part of Glances. |
4
|
|
|
# |
5
|
|
|
# Copyright (C) 2015 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
|
|
|
"""OpenTSDB interface class.""" |
21
|
|
|
|
22
|
|
|
import sys |
23
|
|
|
from numbers import Number |
24
|
|
|
|
25
|
|
|
from glances.compat import NoOptionError, NoSectionError, range |
26
|
|
|
from glances.logger import logger |
27
|
|
|
from glances.exports.glances_export import GlancesExport |
28
|
|
|
|
29
|
|
|
import potsdb |
30
|
|
|
|
31
|
|
|
|
32
|
|
|
class Export(GlancesExport): |
33
|
|
|
|
34
|
|
|
"""This class manages the OpenTSDB export module.""" |
35
|
|
|
|
36
|
|
|
def __init__(self, config=None, args=None): |
37
|
|
|
"""Init the OpenTSDB export IF.""" |
38
|
|
|
super(Export, self).__init__(config=config, args=args) |
39
|
|
|
|
40
|
|
|
# Load the InfluxDB configuration file |
41
|
|
|
self.host = None |
42
|
|
|
self.port = None |
43
|
|
|
self.prefix = None |
44
|
|
|
self.tags = None |
45
|
|
|
self.export_enable = self.load_conf() |
46
|
|
|
if not self.export_enable: |
47
|
|
|
sys.exit(2) |
48
|
|
|
|
49
|
|
|
# Default prefix for stats is 'glances' |
50
|
|
|
if self.prefix is None: |
51
|
|
|
self.prefix = 'glances' |
52
|
|
|
|
53
|
|
|
# Init the OpenTSDB client |
54
|
|
|
self.client = self.init() |
55
|
|
|
|
56
|
|
|
def load_conf(self, section="opentsdb"): |
57
|
|
|
"""Load the OpenTSDB configuration in the Glances configuration file.""" |
58
|
|
|
if self.config is None: |
59
|
|
|
return False |
60
|
|
|
try: |
61
|
|
|
self.host = self.config.get_value(section, 'host') |
62
|
|
|
self.port = self.config.get_value(section, 'port') |
63
|
|
|
except NoSectionError: |
64
|
|
|
logger.critical("No OpenTSDB configuration found") |
65
|
|
|
return False |
66
|
|
|
except NoOptionError as e: |
67
|
|
|
logger.critical("Error in the OpenTSDB configuration (%s)" % e) |
68
|
|
|
return False |
69
|
|
|
else: |
70
|
|
|
logger.debug("Load OpenTSDB from the Glances configuration file") |
71
|
|
|
|
72
|
|
|
# Prefix is optional |
73
|
|
|
try: |
74
|
|
|
self.prefix = self.config.get_value(section, 'prefix') |
75
|
|
|
except NoOptionError: |
76
|
|
|
pass |
77
|
|
|
|
78
|
|
|
# Tags are optional, comma separated key:value pairs. |
79
|
|
|
try: |
80
|
|
|
self.tags = self.config.get_value(section, 'tags') |
81
|
|
|
except NoOptionError: |
82
|
|
|
pass |
83
|
|
|
|
84
|
|
|
return True |
85
|
|
|
|
86
|
|
|
def init(self): |
87
|
|
|
"""Init the connection to the OpenTSDB server.""" |
88
|
|
|
if not self.export_enable: |
89
|
|
|
return None |
90
|
|
|
|
91
|
|
|
try: |
92
|
|
|
db = potsdb.Client(self.host, |
93
|
|
|
port=int(self.port), |
94
|
|
|
check_host=True) |
95
|
|
|
except Exception as e: |
96
|
|
|
logger.critical("Cannot connect to OpenTSDB server %s:%s (%s)" % (self.host, self.port, e)) |
97
|
|
|
sys.exit(2) |
98
|
|
|
|
99
|
|
|
return db |
100
|
|
|
|
101
|
|
|
def export(self, name, columns, points): |
102
|
|
|
"""Export the stats to the Statsd server.""" |
103
|
|
|
for i in range(len(columns)): |
104
|
|
|
if not isinstance(points[i], Number): |
105
|
|
|
continue |
106
|
|
|
stat_name = '{0}.{1}.{2}'.format(self.prefix, name, columns[i]) |
107
|
|
|
stat_value = points[i] |
108
|
|
|
tags = self.parse_tags(self.tags) |
109
|
|
|
try: |
110
|
|
|
self.client.send(stat_name, stat_value, **tags) |
111
|
|
|
except Exception as e: |
112
|
|
|
logger.error("Can not export stats %s to OpenTSDB (%s)" % (name, e)) |
113
|
|
|
logger.debug("Export {0} stats to OpenTSDB".format(name)) |
114
|
|
|
|
115
|
|
|
def exit(self): |
116
|
|
|
"""Close the OpenTSDB export module.""" |
117
|
|
|
# Waits for all outstanding metrics to be sent and background thread closes |
118
|
|
|
self.client.wait() |
119
|
|
|
# Call the father method |
120
|
|
|
super(Export, self).exit() |
121
|
|
|
|