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glances_rabbitmq.py

# -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# SPDX-FileCopyrightText: 2022 Nicolas Hennion <nicolas@nicolargo.com>
#
# SPDX-License-Identifier: LGPL-3.0-only
#

"""JMS interface class."""

import datetime
import socket
import sys
from numbers import Number

from glances.compat import 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)

# Mandatory configuration keys (additional to host and port)
        self.user = None
        self.password = None
        self.queue = None
        self.protocol = None

# Optionals configuration keys
        # N/A

# Load the rabbitMQ configuration file
        self.export_enable = self.load_conf(
            'rabbitmq', mandatories=['host', 'port', 'user', 'password', 'queue'], options=['protocol']
        )
        if not self.export_enable:
            exit('Missing RABBITMQ config')

# Get the current hostname
        self.hostname = socket.gethostname()

# Init the rabbitmq client
        self.client = self.init()

def init(self):
        """Init the connection to the rabbitmq server."""
        if not self.export_enable:
            return None

# Needed for when protocol is not specified and when protocol is upper case
        # only amqp and amqps supported
        if self.protocol is not None and (self.protocol.lower() == 'amqps'):
            self.protocol = 'amqps'
        else:
            self.protocol = 'amqp'

try:
            parameters = pika.URLParameters(
                self.protocol + '://' + self.user + ':' + self.password + '@' + self.host + ':' + self.port + '/'
            )
            connection = pika.BlockingConnection(parameters)
            channel = connection.channel()
            return channel
        except Exception as e:
            logger.critical("Connection to rabbitMQ server %s:%s failed. %s" % (self.host, self.port, e))
            sys.exit(2)

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.queue, body=data)
        except Exception as e:
            logger.error("Can not export stats to RabbitMQ (%s)" % e)

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	drwxr-xr-x	2024-08-26 02:43:43
..	dir	-	root/root	drwxr-xr-x	2024-08-26 02:43:43
__pycache__	dir	-	root/root	drwxr-xr-x	2024-08-26 02:43:43
__init__.py	application/x-empty	0 B	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_cassandra.py	text/x-script.python	4.31 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_couchdb.py	text/x-script.python	2.84 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_csv.py	text/x-script.python	4.44 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_elasticsearch.py	text/x-script.python	2.87 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_export.py	text/x-script.python	7.1 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_graph.py	text/x-script.python	4.24 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_graphite.py	text/x-script.python	3.22 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_influxdb.py	text/x-script.python	5.49 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_influxdb2.py	text/x-script.python	5.57 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_json.py	text/plain	2.18 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_kafka.py	text/x-script.python	2.79 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_mqtt.py	text/x-script.python	4.37 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_opentsdb.py	text/x-script.python	2.46 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_prometheus.py	text/x-script.python	3.14 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_rabbitmq.py	text/x-script.python	2.82 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_restful.py	text/x-script.python	2.12 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_riemann.py	text/x-script.python	2.03 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_statsd.py	text/x-script.python	2.25 KB	root/root	-rw-r--r--	2023-01-20 01:41:10
glances_zeromq.py	text/x-script.python	2.85 KB	root/root	-rw-r--r--	2023-01-20 01:41:10