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# -*- coding: utf-8 -*-
# Copyright 2019 The Matrix.org Foundation C.I.C.d
#
# 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 ._base import Config, ConfigError
class TracerConfig(Config):
def read_config(self, config, **kwargs):
opentracing_config = config.get("opentracing")
if opentracing_config is None:
opentracing_config = {}
self.opentracer_enabled = opentracing_config.get("enabled", False)
if not self.opentracer_enabled:
return
# The tracer is enabled so sanitize the config
self.opentracer_whitelist = opentracing_config.get("homeserver_whitelist", [])
if not isinstance(self.opentracer_whitelist, list):
raise ConfigError("Tracer homeserver_whitelist config is malformed")
def generate_config_section(cls, **kwargs):
return """\
## Opentracing ##
# These settings enable opentracing, which implements distributed tracing.
# This allows you to observe the causal chains of events across servers
# including requests, key lookups etc., across any server running
# synapse or any other other services which supports opentracing
# (specifically those implemented with Jaeger).
#
opentracing:
# tracing is disabled by default. Uncomment the following line to enable it.
#
#enabled: true
# The list of homeservers we wish to send and receive span contexts and span baggage.
# See docs/opentracing.rst
# This is a list of regexes which are matched against the server_name of the
# homeserver.
#
# By defult, it is empty, so no servers are matched.
#
#homeserver_whitelist:
# - ".*"
"""
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