Add agent endpoint to log messages

ddtrace/internal/writer.py

@@ -303,6 +303,10 @@ def __init__(
         )
         self._log_error_payloads = asbool(os.environ.get("_DD_TRACE_WRITER_LOG_ERROR_PAYLOADS", False))
 
+    @property
+    def _agent_endpoint(self):
+        return "{}/{}".format(self.agent_url, self._endpoint)
+
     def _metrics_dist(self, name, count=1, tags=None):
         self._metrics[name]["count"] += count
         if tags:
@@ -358,7 +362,7 @@ def _put(self, data, headers):
                     log_level = logging.WARNING
                 else:
                     log_level = logging.DEBUG
-                log.log(log_level, "sent %s in %.5fs to %s", _human_size(len(data)), t, self.agent_url)
+                log.log(log_level, "sent %s in %.5fs to %s", _human_size(len(data)), t, self._agent_endpoint)
                 return Response.from_http_response(resp)
             finally:
                 conn.close()
@@ -416,7 +420,7 @@ def _send_payload(self, payload, count):
         elif response.status >= 400:
             msg = "failed to send traces to Datadog Agent at %s: HTTP error status %s, reason %s"
             log_args = (
-                self.agent_url,
+                self._agent_endpoint,
                 response.status,
                 response.reason,
             )
@@ -513,7 +517,7 @@ def flush_queue(self, raise_exc=False):
                 if raise_exc:
                     e.reraise()
                 else:
-                    log.error("failed to send traces to Datadog Agent at %s", self.agent_url, exc_info=True)
+                    log.error("failed to send traces to Datadog Agent at %s", self._agent_endpoint, exc_info=True)
             finally:
                 if self._report_metrics and self.dogstatsd:
                     # Note that we cannot use the batching functionality of dogstatsd because

tests/integration/test_encoding.py

@@ -73,7 +73,7 @@ def _assert_bad_trace_refused_by_agent(self, mock_log):
         calls = [
             mock.call(
                 "failed to send traces to Datadog Agent at %s: HTTP error status %s, reason %s",
-                agent.get_trace_url(),
+                "{}/{}/traces".format(agent.get_trace_url(), "v0.4"),
                 400,
                 "Bad Request",
             )

tests/integration/test_integration.py

@@ -137,7 +137,11 @@ def test_uds_wrong_socket_path(encoding, monkeypatch):
         t.trace("client.testing").finish()
         t.shutdown()
     calls = [
-        mock.call("failed to send traces to Datadog Agent at %s", "unix:///tmp/ddagent/nosockethere", exc_info=True)
+        mock.call(
+            "failed to send traces to Datadog Agent at %s",
+            "unix:///tmp/ddagent/nosockethere/{}/traces".format(encoding if encoding else "v0.4"),
+            exc_info=True,
+        )
     ]
     log.error.assert_has_calls(calls)
 
@@ -270,7 +274,13 @@ def test_trace_bad_url(encoding, monkeypatch):
             pass
         t.shutdown()
 
-    calls = [mock.call("failed to send traces to Datadog Agent at %s", "http://bad:1111", exc_info=True)]
+    calls = [
+        mock.call(
+            "failed to send traces to Datadog Agent at %s",
+            "http://bad:1111/{}/traces".format(encoding if encoding else "v0.4"),
+            exc_info=True,
+        )
+    ]
     log.error.assert_has_calls(calls)
 
 
@@ -386,7 +396,7 @@ def encode_traces(self, traces):
     calls = [
         mock.call(
             "failed to send traces to Datadog Agent at %s: HTTP error status %s, reason %s",
-            "http://localhost:8126",
+            "http://localhost:8126/v0.4/traces",
             400,
             "Bad Request",
         )
@@ -419,7 +429,7 @@ def encode_traces(self, traces):
     calls = [
         mock.call(
             "failed to send traces to Datadog Agent at %s: HTTP error status %s, reason %s, payload %s",
-            "http://localhost:8126",
+            "http://localhost:8126/v0.4/traces",
             400,
             "Bad Request",
             "6261645f7061796c6f6164",
@@ -463,7 +473,7 @@ def encode_traces(self, traces):
     calls = [
         mock.call(
             "failed to send traces to Datadog Agent at %s: HTTP error status %s, reason %s, payload %s",
-            "http://localhost:8126",
+            "http://localhost:8126/v0.4/traces",
             400,
             "Bad Request",
             "bad_payload",
@@ -548,13 +558,15 @@ def test_flush_log(caplog, encoding, monkeypatch):
     with mock.patch("ddtrace.internal.writer.log") as log:
         writer.write([])
         writer.flush_queue(raise_exc=True)
+        # for latest agent, default to v0.3 since no priority sampler is set
+        expected_encoding = "v0.3" if AGENT_VERSION == "v5" else (encoding or "v0.3")
         calls = [
             mock.call(
                 logging.DEBUG,
                 "sent %s in %.5fs to %s",
                 AnyStr(),
                 AnyFloat(),
-                writer.agent_url,
+                "{}/{}/traces".format(writer.agent_url, expected_encoding),
             )
         ]
         log.log.assert_has_calls(calls)