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# -*- coding: utf-8 -*- |
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# |
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# This file is part of Glances. |
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# |
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# SPDX-FileCopyrightText: 2023 Nicolas Hennion <[email protected]> |
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# |
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# SPDX-License-Identifier: LGPL-3.0-only |
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# |
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"""MongoDB interface class.""" |
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import sys |
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from glances.logger import logger |
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from glances.exports.glances_export import GlancesExport |
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import pymongo |
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from urllib.parse import quote_plus |
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class Export(GlancesExport): |
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"""This class manages the MongoDB export module.""" |
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View Code Duplication |
def __init__(self, config=None, args=None): |
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"""Init the MongoDB export IF.""" |
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super(Export, self).__init__(config=config, args=args) |
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# Mandatory configuration keys (additional to host and port) |
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self.db = None |
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# Optional configuration keys |
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self.user = None |
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self.password = None |
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# Load the Cassandra configuration file section |
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self.export_enable = self.load_conf('mongodb', mandatories=['host', 'port', 'db'], options=['user', 'password']) |
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if not self.export_enable: |
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sys.exit(2) |
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# Init the CouchDB client |
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self.client = self.init() |
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def init(self): |
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"""Init the connection to the CouchDB server.""" |
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if not self.export_enable: |
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return None |
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server_uri = 'mongodb://%s:%s@%s:%s' % (quote_plus(self.user), quote_plus(self.password), self.host, self.port) |
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try: |
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client = pymongo.MongoClient(server_uri) |
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client.admin.command('ping') |
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except Exception as e: |
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logger.critical("Cannot connect to MongoDB server %s:%s (%s)" % (self.host, self.port, e)) |
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sys.exit(2) |
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else: |
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logger.info("Connected to the MongoDB server") |
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return client |
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def database(self): |
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"""Return the CouchDB database object""" |
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return self.client[self.db] |
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def export(self, name, columns, points): |
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"""Write the points to the MongoDB server.""" |
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logger.debug("Export {} stats to MongoDB".format(name)) |
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# Create DB input |
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data = dict(zip(columns, points)) |
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# Write data to the MongoDB database |
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try: |
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self.database()[name].insert_one(data) |
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except Exception as e: |
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logger.error("Cannot export {} stats to MongoDB ({})".format(name, e)) |
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nicolargo /
glances
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