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#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
from typing import Any, List, Set
from synapse.types import JsonDict
from synapse.util.check_dependencies import check_requirements
from ._base import Config, ConfigError
class TracerConfig(Config):
section = "tracing"
def read_config(self, config: JsonDict, **kwargs: Any) -> None:
opentracing_config = config.get("opentracing")
if opentracing_config is None:
opentracing_config = {}
self.opentracer_enabled = opentracing_config.get("enabled", False)
self.jaeger_config = opentracing_config.get(
"jaeger_config",
{"sampler": {"type": "const", "param": 1}, "logging": False},
)
self.force_tracing_for_users: Set[str] = set()
if not self.opentracer_enabled:
return
check_requirements("opentracing")
# The tracer is enabled so sanitize the config
self.opentracer_whitelist: List[str] = opentracing_config.get(
"homeserver_whitelist", []
)
if not isinstance(self.opentracer_whitelist, list):
raise ConfigError("Tracer homeserver_whitelist config is malformed")
force_tracing_for_users = opentracing_config.get("force_tracing_for_users", [])
if not isinstance(force_tracing_for_users, list):
raise ConfigError(
"Expected a list", ("opentracing", "force_tracing_for_users")
)
for i, u in enumerate(force_tracing_for_users):
if not isinstance(u, str):
raise ConfigError(
"Expected a string",
("opentracing", "force_tracing_for_users", f"index {i}"),
)
self.force_tracing_for_users.add(u)
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