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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: 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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from glances.compat import range |
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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 potsdb |
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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(Export, self).__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("Cannot connect to OpenTSDB server %s:%s (%s)" % (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 = '{}.{}.{}'.format(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("Can not export stats %s to OpenTSDB (%s)" % (name, e)) |
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logger.debug("Export {} stats to OpenTSDB".format(name)) |
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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(Export, self).exit() |
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