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authorHubert Chathi <hubert@uhoreg.ca>2019-10-18 18:34:42 +0100
committerHubert Chathi <hubert@uhoreg.ca>2019-10-18 18:34:42 +0100
commit36adfaedabf2ef1f36ebabe2d086a068df707ee8 (patch)
treeb0f66b58a38181d343f17f2c4000ad85ce949fb1 /synapse/logging/opentracing.py
parentfix doc strings (diff)
parentMerge branch 'uhoreg/e2e_cross-signing_merged' into develop (diff)
downloadsynapse-36adfaedabf2ef1f36ebabe2d086a068df707ee8.tar.xz
Merge branch 'develop' into cross-signing_sig_upload
Diffstat (limited to 'synapse/logging/opentracing.py')
-rw-r--r--synapse/logging/opentracing.py27
1 files changed, 17 insertions, 10 deletions
diff --git a/synapse/logging/opentracing.py b/synapse/logging/opentracing.py
index 7246253018..0638cec429 100644
--- a/synapse/logging/opentracing.py
+++ b/synapse/logging/opentracing.py
@@ -169,7 +169,9 @@ import contextlib
 import inspect
 import logging
 import re
+import types
 from functools import wraps
+from typing import Dict
 
 from canonicaljson import json
 
@@ -223,8 +225,8 @@ try:
     from jaeger_client import Config as JaegerConfig
     from synapse.logging.scopecontextmanager import LogContextScopeManager
 except ImportError:
-    JaegerConfig = None
-    LogContextScopeManager = None
+    JaegerConfig = None  # type: ignore
+    LogContextScopeManager = None  # type: ignore
 
 
 logger = logging.getLogger(__name__)
@@ -547,7 +549,7 @@ def inject_active_span_twisted_headers(headers, destination, check_destination=T
         return
 
     span = opentracing.tracer.active_span
-    carrier = {}
+    carrier = {}  # type: Dict[str, str]
     opentracing.tracer.inject(span, opentracing.Format.HTTP_HEADERS, carrier)
 
     for key, value in carrier.items():
@@ -584,7 +586,7 @@ def inject_active_span_byte_dict(headers, destination, check_destination=True):
 
     span = opentracing.tracer.active_span
 
-    carrier = {}
+    carrier = {}  # type: Dict[str, str]
     opentracing.tracer.inject(span, opentracing.Format.HTTP_HEADERS, carrier)
 
     for key, value in carrier.items():
@@ -639,7 +641,7 @@ def get_active_span_text_map(destination=None):
     if destination and not whitelisted_homeserver(destination):
         return {}
 
-    carrier = {}
+    carrier = {}  # type: Dict[str, str]
     opentracing.tracer.inject(
         opentracing.tracer.active_span, opentracing.Format.TEXT_MAP, carrier
     )
@@ -653,7 +655,7 @@ def active_span_context_as_string():
     Returns:
         The active span context encoded as a string.
     """
-    carrier = {}
+    carrier = {}  # type: Dict[str, str]
     if opentracing:
         opentracing.tracer.inject(
             opentracing.tracer.active_span, opentracing.Format.TEXT_MAP, carrier
@@ -777,8 +779,7 @@ def trace_servlet(servlet_name, extract_context=False):
             return func
 
         @wraps(func)
-        @defer.inlineCallbacks
-        def _trace_servlet_inner(request, *args, **kwargs):
+        async def _trace_servlet_inner(request, *args, **kwargs):
             request_tags = {
                 "request_id": request.get_request_id(),
                 tags.SPAN_KIND: tags.SPAN_KIND_RPC_SERVER,
@@ -795,8 +796,14 @@ def trace_servlet(servlet_name, extract_context=False):
                 scope = start_active_span(servlet_name, tags=request_tags)
 
             with scope:
-                result = yield defer.maybeDeferred(func, request, *args, **kwargs)
-                return result
+                result = func(request, *args, **kwargs)
+
+                if not isinstance(result, (types.CoroutineType, defer.Deferred)):
+                    # Some servlets aren't async and just return results
+                    # directly, so we handle that here.
+                    return result
+
+                return await result
 
         return _trace_servlet_inner