From 909827b422eb3396f905a1fb7ad1732f9727d500 Mon Sep 17 00:00:00 2001 From: Jorik Schellekens Date: Thu, 5 Sep 2019 14:46:04 +0100 Subject: Add opentracing to all client servlets (#5983) --- synapse/federation/transport/server.py | 6 +++++- synapse/http/server.py | 13 ++++++++++++- synapse/http/servlet.py | 6 +----- synapse/logging/opentracing.py | 2 +- synapse/replication/http/_base.py | 16 ++++++---------- 5 files changed, 25 insertions(+), 18 deletions(-) (limited to 'synapse') diff --git a/synapse/federation/transport/server.py b/synapse/federation/transport/server.py index f9930b6460..132a8fb5e6 100644 --- a/synapse/federation/transport/server.py +++ b/synapse/federation/transport/server.py @@ -342,7 +342,11 @@ class BaseFederationServlet(object): continue server.register_paths( - method, (pattern,), self._wrap(code), self.__class__.__name__ + method, + (pattern,), + self._wrap(code), + self.__class__.__name__, + trace=False, ) diff --git a/synapse/http/server.py b/synapse/http/server.py index e6f351ba3b..cb9158fe1b 100644 --- a/synapse/http/server.py +++ b/synapse/http/server.py @@ -40,6 +40,7 @@ from synapse.api.errors import ( UnrecognizedRequestError, ) from synapse.logging.context import preserve_fn +from synapse.logging.opentracing import trace_servlet from synapse.util.caches import intern_dict logger = logging.getLogger(__name__) @@ -257,7 +258,9 @@ class JsonResource(HttpServer, resource.Resource): self.path_regexs = {} self.hs = hs - def register_paths(self, method, path_patterns, callback, servlet_classname): + def register_paths( + self, method, path_patterns, callback, servlet_classname, trace=True + ): """ Registers a request handler against a regular expression. Later request URLs are checked against these regular expressions in order to identify an appropriate @@ -273,8 +276,16 @@ class JsonResource(HttpServer, resource.Resource): servlet_classname (str): The name of the handler to be used in prometheus and opentracing logs. + + trace (bool): Whether we should start a span to trace the servlet. """ method = method.encode("utf-8") # method is bytes on py3 + + if trace: + # We don't extract the context from the servlet because we can't + # trust the sender + callback = trace_servlet(servlet_classname)(callback) + for path_pattern in path_patterns: logger.debug("Registering for %s %s", method, path_pattern.pattern) self.path_regexs.setdefault(method, []).append( diff --git a/synapse/http/servlet.py b/synapse/http/servlet.py index c186b31f59..274c1a6a87 100644 --- a/synapse/http/servlet.py +++ b/synapse/http/servlet.py @@ -20,7 +20,6 @@ import logging from canonicaljson import json from synapse.api.errors import Codes, SynapseError -from synapse.logging.opentracing import trace_servlet logger = logging.getLogger(__name__) @@ -298,10 +297,7 @@ class RestServlet(object): servlet_classname = self.__class__.__name__ method_handler = getattr(self, "on_%s" % (method,)) http_server.register_paths( - method, - patterns, - trace_servlet(servlet_classname)(method_handler), - servlet_classname, + method, patterns, method_handler, servlet_classname ) else: diff --git a/synapse/logging/opentracing.py b/synapse/logging/opentracing.py index dbf80e2024..2c34b54702 100644 --- a/synapse/logging/opentracing.py +++ b/synapse/logging/opentracing.py @@ -319,7 +319,7 @@ def whitelisted_homeserver(destination): Args: destination (str) """ - _homeserver_whitelist + if _homeserver_whitelist: return _homeserver_whitelist.match(destination) return False diff --git a/synapse/replication/http/_base.py b/synapse/replication/http/_base.py index c4be9273f6..afc9a8ff29 100644 --- a/synapse/replication/http/_base.py +++ b/synapse/replication/http/_base.py @@ -22,13 +22,13 @@ from six.moves import urllib from twisted.internet import defer -import synapse.logging.opentracing as opentracing from synapse.api.errors import ( CodeMessageException, HttpResponseException, RequestSendFailed, SynapseError, ) +from synapse.logging.opentracing import inject_active_span_byte_dict, trace_servlet from synapse.util.caches.response_cache import ResponseCache from synapse.util.stringutils import random_string @@ -167,9 +167,7 @@ class ReplicationEndpoint(object): # the master, and so whether we should clean up or not. while True: headers = {} - opentracing.inject_active_span_byte_dict( - headers, None, check_destination=False - ) + inject_active_span_byte_dict(headers, None, check_destination=False) try: result = yield request_func(uri, data, headers=headers) break @@ -210,13 +208,11 @@ class ReplicationEndpoint(object): args = "/".join("(?P<%s>[^/]+)" % (arg,) for arg in url_args) pattern = re.compile("^/_synapse/replication/%s/%s$" % (self.NAME, args)) + handler = trace_servlet(self.__class__.__name__, extract_context=True)(handler) + # We don't let register paths trace this servlet using the default tracing + # options because we wish to extract the context explicitly. http_server.register_paths( - method, - [pattern], - opentracing.trace_servlet(self.__class__.__name__, extract_context=True)( - handler - ), - self.__class__.__name__, + method, [pattern], handler, self.__class__.__name__, trace=False ) def _cached_handler(self, request, txn_id, **kwargs): -- cgit 1.4.1