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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):
self.tracer_config = config.get("opentracing")
self.tracer_config = config.get("opentracing", {"tracer_enabled": False})
if self.tracer_config.get("tracer_enabled", False):
# The tracer is enabled so sanitize the config
# If no whitelists are given
self.tracer_config.setdefault("homeserver_whitelist", [])
if not isinstance(self.tracer_config.get("homeserver_whitelist"), list):
raise ConfigError("Tracer homesererver_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 chain 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:
# # Enable / disable tracer
# tracer_enabled: false
# # The list of homeservers we wish to expose our current traces to.
# # The list is a list of regexes which are matched against the
# # servername of the homeserver
# homeserver_whitelist:
# - ".*"
"""
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