/usr/lib/python3/dist-packages/glances/exports/glances_opentsdb.py is in glances 2.7.1.1-2.
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 | # -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2015 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/>.
"""OpenTSDB interface class."""
import sys
from numbers import Number
from glances.compat import NoOptionError, NoSectionError, range
from glances.logger import logger
from glances.exports.glances_export import GlancesExport
import potsdb
class Export(GlancesExport):
"""This class manages the OpenTSDB export module."""
def __init__(self, config=None, args=None):
"""Init the OpenTSDB export IF."""
super(Export, self).__init__(config=config, args=args)
# Load the InfluxDB configuration file
self.host = None
self.port = None
self.prefix = None
self.tags = None
self.export_enable = self.load_conf()
if not self.export_enable:
sys.exit(2)
# Default prefix for stats is 'glances'
if self.prefix is None:
self.prefix = 'glances'
# Init the OpenTSDB client
self.client = self.init()
def load_conf(self, section="opentsdb"):
"""Load the OpenTSDB configuration in the Glances configuration file."""
if self.config is None:
return False
try:
self.host = self.config.get_value(section, 'host')
self.port = self.config.get_value(section, 'port')
except NoSectionError:
logger.critical("No OpenTSDB configuration found")
return False
except NoOptionError as e:
logger.critical("Error in the OpenTSDB configuration (%s)" % e)
return False
else:
logger.debug("Load OpenTSDB from the Glances configuration file")
# Prefix is optional
try:
self.prefix = self.config.get_value(section, 'prefix')
except NoOptionError:
pass
# Tags are optional, comma separated key:value pairs.
try:
self.tags = self.config.get_value(section, 'tags')
except NoOptionError:
pass
return True
def init(self):
"""Init the connection to the OpenTSDB server."""
if not self.export_enable:
return None
try:
db = potsdb.Client(self.host,
port=int(self.port),
check_host=True)
except Exception as e:
logger.critical("Cannot connect to OpenTSDB server %s:%s (%s)" % (self.host, self.port, e))
sys.exit(2)
return db
def export(self, name, columns, points):
"""Export the stats to the Statsd server."""
for i in range(len(columns)):
if not isinstance(points[i], Number):
continue
stat_name = '{}.{}.{}'.format(self.prefix, name, columns[i])
stat_value = points[i]
tags = self.parse_tags(self.tags)
try:
self.client.send(stat_name, stat_value, **tags)
except Exception as e:
logger.error("Can not export stats %s to OpenTSDB (%s)" % (name, e))
logger.debug("Export {} stats to OpenTSDB".format(name))
def exit(self):
"""Close the OpenTSDB export module."""
# Waits for all outstanding metrics to be sent and background thread closes
self.client.wait()
# Call the father method
super(Export, self).exit()
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