mirror of
https://github.com/camptocamp/odoo-cloud-platform.git
synced 2026-10-22 05:41:50 +00:00
Alexandre Fayolle
33bfbfef57
This commit features a refactoring of monitoring_prometheus to get a cron gathering some metrics from the database, and then publishing the result on the /metrics endpoint The new module monitoring_prometheus_queue_job extends the cron to get information about the queue job states.
55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
# Copyright 2016-2021 Camptocamp SA
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# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)
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import json
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import logging
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from prometheus_client import Gauge, generate_latest
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from odoo.http import Controller, request, route
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from ..models.prometheus_gatherer import METRICS_PARAM
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_logger = logging.getLogger(__name__)
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# Gauges must be instantiated only once per process, registering the same
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# metric name twice raises a "Duplicated timeseries" error.
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_GAUGES = {}
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def _get_gauge(name, documentation, label_names):
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gauge = _GAUGES.get(name)
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if gauge is None:
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gauge = Gauge(name, documentation, label_names)
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_GAUGES[name] = gauge
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return gauge
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class PrometheusController(Controller):
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def _publish_gathered_metrics(self):
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param = request.env["ir.config_parameter"].sudo().get_param(METRICS_PARAM)
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if not param:
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return
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cleared = set()
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for metric in json.loads(param):
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name = metric["name"]
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labels = metric.get("labels") or {}
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gauge = _get_gauge(name, metric.get("documentation", ""), sorted(labels))
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if name not in cleared:
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# drop the series that disappeared since the last collection
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gauge.clear()
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cleared.add(name)
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if labels:
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gauge.labels(**labels).set(metric["value"])
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else:
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gauge.set(metric["value"])
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@route("/metrics", auth="public")
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def metrics(self):
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try:
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self._publish_gathered_metrics()
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except Exception:
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_logger.exception("Could not publish the gathered Prometheus metrics")
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return generate_latest()
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