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# This file is part of Glances. |
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# |
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# SPDX-FileCopyrightText: 2025 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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"""InfluxDB (for InfluxDB 3.x) interface class.""" |
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import sys |
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from platform import node |
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from influxdb_client_3 import InfluxDBClient3 |
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from glances.exports.export import GlancesExport |
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from glances.logger import logger |
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class Export(GlancesExport): |
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"""This class manages the InfluxDB export module.""" |
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def __init__(self, config=None, args=None): |
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"""Init the InfluxDB export IF.""" |
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super().__init__(config=config, args=args) |
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# Mandatory configuration keys (additional to host and port) |
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self.host = None |
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self.port = None |
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self.org = None |
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self.database = None |
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self.token = None |
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# Optional configuration keys |
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self.prefix = None |
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self.tags = None |
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self.hostname = None |
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# Load the InfluxDB configuration file |
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self.export_enable = self.load_conf( |
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"influxdb3", |
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mandatories=["host", "port", "org", "database", "token"], |
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options=["prefix", "tags"], |
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) |
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if not self.export_enable: |
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exit("Missing influxdb3 config") |
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# The hostname is always add as a tag |
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self.hostname = node().split(".")[0] |
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# Init the InfluxDB 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 InfluxDB server.""" |
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if not self.export_enable: |
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return None |
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try: |
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db = InfluxDBClient3( |
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host=self.host, |
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org=self.org, |
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database=self.database, |
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token=self.token, |
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) |
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except Exception as e: |
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logger.critical(f"Cannot connect to InfluxDB database '{self.database}' ({e})") |
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sys.exit(2) |
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if self.database == db._database: |
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logger.info( |
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f"Stats will be exported to InfluxDB server {self.host}:{self.port} in {self.database} database" |
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) |
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else: |
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logger.critical(f"InfluxDB database '{self.database}' did not exist. Please create it") |
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sys.exit(2) |
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return db |
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def export(self, name, columns, points): |
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"""Write the points to the InfluxDB server.""" |
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# Manage prefix |
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if self.prefix is not None: |
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name = self.prefix + "." + name |
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# Write input to the InfluxDB database |
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if not points: |
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logger.debug(f"Cannot export empty {name} stats to InfluxDB") |
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else: |
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try: |
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self.client.write( |
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record=self.normalize_for_influxdb(name, columns, points), |
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time_precision="s", |
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) |
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except Exception as e: |
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# Log level set to warning instead of error (see: issue #1561) |
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logger.warning(f"Cannot export {name} stats to InfluxDB ({e})") |
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else: |
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logger.debug(f"Export {name} stats to InfluxDB") |
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nicolargo /
glances
