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# -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# SPDX-FileCopyrightText: 2022 Nicolas Hennion <nicolas@nicolargo.com>
#
# SPDX-License-Identifier: LGPL-3.0-only
#
"""Riemann interface class."""
import socket
from numbers import Number
from glances.compat import range
from glances.logger import logger
from glances.exports.glances_export import GlancesExport
# Import bernhard for Riemann
import bernhard
class Export(GlancesExport):
"""This class manages the Riemann export module."""
def __init__(self, config=None, args=None):
"""Init the Riemann export IF."""
super(Export, self).__init__(config=config, args=args)
# Mandatory configuration keys (additional to host and port)
# N/A
# Optional configuration keys
# N/A
# Load the Riemann configuration
self.export_enable = self.load_conf('riemann', mandatories=['host', 'port'], options=[])
if not self.export_enable:
exit('Missing RIEMANN config')
# Get the current hostname
self.hostname = socket.gethostname()
# Init the Riemann client
self.client = self.init()
def init(self):
"""Init the connection to the Riemann server."""
if not self.export_enable:
return None
try:
client = bernhard.Client(host=self.host, port=self.port)
return client
except Exception as e:
logger.critical("Connection to Riemann failed : %s " % e)
return None
def export(self, name, columns, points):
"""Write the points in Riemann."""
for i in range(len(columns)):
if not isinstance(points[i], Number):
continue
else:
data = {'host': self.hostname, 'service': name + " " + columns[i], 'metric': points[i]}
logger.debug(data)
try:
self.client.send(data)
except Exception as e:
logger.error("Cannot export stats to Riemann (%s)" % e)