diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py index 5df4ba23a..9747f7a01 100755 --- a/synapse/app/homeserver.py +++ b/synapse/app/homeserver.py @@ -147,6 +147,13 @@ class SynapseHomeServer(HomeServer): else: self.root_resource = Resource() + if self.get_config().enable_metrics: + from synapse.metrics.resource import ( + MetricsResource, METRICS_PREFIX + ) + + desired_tree.append((METRICS_PREFIX, MetricsResource(self))) + # ideally we'd just use getChild and putChild but getChild doesn't work # unless you give it a Request object IN ADDITION to the name :/ So # instead, we'll store a copy of this mapping so we can actually add diff --git a/synapse/metrics/resource.py b/synapse/metrics/resource.py new file mode 100644 index 000000000..b48048462 --- /dev/null +++ b/synapse/metrics/resource.py @@ -0,0 +1,37 @@ +# -*- coding: utf-8 -*- +# Copyright 2015 OpenMarket Ltd +# +# 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 twisted.web.resource import Resource +from twisted.web.server import NOT_DONE_YET + + +METRICS_PREFIX = "/_synapse/metrics" + + +class MetricsResource(Resource): + isLeaf = True + + def __init__(self, hs): + Resource.__init__(self) # Resource is old-style, so no super() + + self.hs = hs + + def render_GET(self, request): + response = "Hello, world!" + + request.setHeader("Content-Type", "text/plain") + request.setHeader("Content-Length", str(len(response))) + + return response