/usr/lib/python3/dist-packages/glances/exports/glances_rabbitmq.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 | # -*- 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/>.
"""JMS interface class."""
import datetime
import socket
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 pika for RabbitMQ
import pika
class Export(GlancesExport):
"""This class manages the rabbitMQ export module."""
def __init__(self, config=None, args=None):
"""Init the RabbitMQ export IF."""
super(Export, self).__init__(config=config, args=args)
# Load the rabbitMQ configuration file
self.rabbitmq_host = None
self.rabbitmq_port = None
self.rabbitmq_user = None
self.rabbitmq_password = None
self.rabbitmq_queue = None
self.hostname = socket.gethostname()
self.export_enable = self.load_conf()
if not self.export_enable:
sys.exit(2)
# Init the rabbitmq client
self.client = self.init()
def load_conf(self, section="rabbitmq"):
"""Load the rabbitmq configuration in the Glances configuration file."""
if self.config is None:
return False
try:
self.rabbitmq_host = self.config.get_value(section, 'host')
self.rabbitmq_port = self.config.get_value(section, 'port')
self.rabbitmq_user = self.config.get_value(section, 'user')
self.rabbitmq_password = self.config.get_value(section, 'password')
self.rabbitmq_queue = self.config.get_value(section, 'queue')
except NoSectionError:
logger.critical("No rabbitmq configuration found")
return False
except NoOptionError as e:
logger.critical("Error in the RabbitM configuration (%s)" % e)
return False
else:
logger.debug("Load RabbitMQ from the Glances configuration file")
return True
def init(self):
"""Init the connection to the rabbitmq server."""
if not self.export_enable:
return None
try:
parameters = pika.URLParameters(
'amqp://' + self.rabbitmq_user +
':' + self.rabbitmq_password +
'@' + self.rabbitmq_host +
':' + self.rabbitmq_port + '/')
connection = pika.BlockingConnection(parameters)
channel = connection.channel()
return channel
except Exception as e:
logger.critical("Connection to rabbitMQ failed : %s " % e)
return None
def export(self, name, columns, points):
"""Write the points in RabbitMQ."""
data = ('hostname=' + self.hostname + ', name=' + name +
', dateinfo=' + datetime.datetime.utcnow().isoformat())
for i in range(len(columns)):
if not isinstance(points[i], Number):
continue
else:
data += ", " + columns[i] + "=" + str(points[i])
logger.debug(data)
try:
self.client.basic_publish(exchange='', routing_key=self.rabbitmq_queue, body=data)
except Exception as e:
logger.error("Can not export stats to RabbitMQ (%s)" % e)
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