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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
#
"""RESTful interface class."""
from glances.globals import listkeys
from glances.logger import logger
from glances.exports.export import GlancesExport
from requests import post
class Export(GlancesExport):
"""This class manages the RESTful export module.
Be aware that stats will be exported in one big POST request"""
def __init__(self, config=None, args=None):
"""Init the RESTful export IF."""
super(Export, self).__init__(config=config, args=args)
# Mandatory configuration keys (additional to host and port)
self.protocol = None
self.path = None
# Load the RESTful section in the configuration file
self.export_enable = self.load_conf('restful', mandatories=['host', 'port', 'protocol', 'path'])
if not self.export_enable:
exit('Missing RESTFUL config')
# Init the stats buffer
# It's a dict of stats
self.buffer = {}
# Init the Statsd client
self.client = self.init()
def init(self):
"""Init the connection to the RESTful server."""
if not self.export_enable:
return None
# Build the RESTful URL where the stats will be posted
url = '{}://{}:{}{}'.format(self.protocol, self.host, self.port, self.path)
logger.info("Stats will be exported to the RESTful endpoint {}".format(url))
return url
def export(self, name, columns, points):
"""Export the stats to the Statsd server."""
if name == self.last_exported_list()[0] and self.buffer != {}:
# One complete loop have been done
logger.debug("Export stats ({}) to RESTful endpoint ({})".format(listkeys(self.buffer), self.client))
# Export stats
post(self.client, json=self.buffer, allow_redirects=True)
# Reset buffer
self.buffer = {}
# Add current stat to the buffer
self.buffer[name] = dict(zip(columns, points))
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