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# |
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# This file is part of Glances. |
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# |
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# SPDX-FileCopyrightText: 2022 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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"""OpenTSDB interface class.""" |
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import sys |
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from numbers import Number |
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import potsdb |
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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 OpenTSDB export module.""" |
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View Code Duplication |
def __init__(self, config=None, args=None): |
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"""Init the OpenTSDB 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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# N/A |
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# Optionals configuration keys |
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self.prefix = None |
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self.tags = None |
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# Load the configuration file |
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self.export_enable = self.load_conf('opentsdb', mandatories=['host', 'port'], options=['prefix', 'tags']) |
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if not self.export_enable: |
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exit('Missing OPENTSDB config') |
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# Default prefix for stats is 'glances' |
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if self.prefix is None: |
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self.prefix = 'glances' |
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# Init the OpenTSDB 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 OpenTSDB 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 = potsdb.Client(self.host, port=int(self.port), check_host=True) |
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except Exception as e: |
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logger.critical(f"Cannot connect to OpenTSDB server {self.host}:{self.port} ({e})") |
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sys.exit(2) |
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return db |
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View Code Duplication |
def export(self, name, columns, points): |
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"""Export the stats to the Statsd server.""" |
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for i in range(len(columns)): |
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if not isinstance(points[i], Number): |
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continue |
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stat_name = f'{self.prefix}.{name}.{columns[i]}' |
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stat_value = points[i] |
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tags = self.parse_tags(self.tags) |
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try: |
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self.client.send(stat_name, stat_value, **tags) |
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except Exception as e: |
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logger.error(f"Can not export stats {name} to OpenTSDB ({e})") |
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logger.debug(f"Export {name} stats to OpenTSDB") |
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def exit(self): |
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"""Close the OpenTSDB export module.""" |
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# Waits for all outstanding metrics to be sent and background thread closes |
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self.client.wait() |
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# Call the father method |
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super().exit() |
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nicolargo /
glances
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