From 9af2be192a759c22d189b72cc0a7580cd9de8a37 Mon Sep 17 00:00:00 2001 From: reivilibre Date: Thu, 24 Nov 2022 09:09:17 +0000 Subject: Remove legacy Prometheus metrics names. They were deprecated in Synapse v1.69.0 and disabled by default in Synapse v1.71.0. (#14538) --- synapse/metrics/_twisted_exposition.py | 38 ++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 synapse/metrics/_twisted_exposition.py (limited to 'synapse/metrics/_twisted_exposition.py') diff --git a/synapse/metrics/_twisted_exposition.py b/synapse/metrics/_twisted_exposition.py new file mode 100644 index 0000000000..0abcd14953 --- /dev/null +++ b/synapse/metrics/_twisted_exposition.py @@ -0,0 +1,38 @@ +# Copyright 2015-2019 Prometheus Python Client Developers +# Copyright 2019 Matrix.org Foundation C.I.C. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from prometheus_client import REGISTRY, CollectorRegistry, generate_latest + +from twisted.web.resource import Resource +from twisted.web.server import Request + +CONTENT_TYPE_LATEST = "text/plain; version=0.0.4; charset=utf-8" + + +class MetricsResource(Resource): + """ + Twisted ``Resource`` that serves prometheus metrics. + """ + + isLeaf = True + + def __init__(self, registry: CollectorRegistry = REGISTRY): + self.registry = registry + + def render_GET(self, request: Request) -> bytes: + request.setHeader(b"Content-Type", CONTENT_TYPE_LATEST.encode("ascii")) + response = generate_latest(self.registry) + request.setHeader(b"Content-Length", str(len(response))) + return response -- cgit 1.5.1