fix(profiling/http): converts nanoseconds timestamp to seconds (#1325)

Author: jd

ddtrace/profiling/exporter/http.py

@@ -153,10 +153,10 @@ def export(self, events, start_time_ns, end_time_ns):
         fields = {
             "runtime-id": RUNTIME_ID,
             "recording-start": (
-                datetime.datetime.utcfromtimestamp(start_time_ns).replace(microsecond=0).isoformat() + "Z"
+                datetime.datetime.utcfromtimestamp(start_time_ns / 1e9).replace(microsecond=0).isoformat() + "Z"
             ).encode(),
             "recording-end": (
-                datetime.datetime.utcfromtimestamp(end_time_ns).replace(microsecond=0).isoformat() + "Z"
+                datetime.datetime.utcfromtimestamp(end_time_ns / 1e9).replace(microsecond=0).isoformat() + "Z"
             ).encode(),
             "runtime": PYTHON_IMPLEMENTATION,
             "format": b"pprof",

tests/profiling/exporter/test_http.py

@@ -8,6 +8,7 @@
 
 import pytest
 
+from ddtrace import compat
 from ddtrace.vendor import six
 from ddtrace.vendor.six.moves import BaseHTTPServer
 from ddtrace.vendor.six.moves import http_client
@@ -63,7 +64,7 @@ def do_POST(self):
             items[part.get_param("name", header="content-disposition")].append(part.get_payload(decode=True))
         for key, check in {
             "recording-start": lambda x: x[0] == b"1970-01-01T00:00:00Z",
-            "recording-end": lambda x: b"1970-01-01T00:00:01Z",
+            "recording-end": lambda x: x[0].startswith(b"20"),
             "runtime": lambda x: x[0] == platform.python_implementation().encode(),
             "format": lambda x: x[0] == b"pprof",
             "type": lambda x: x[0] == b"cpu+alloc+exceptions",
@@ -148,7 +149,7 @@ def test_wrong_api_key(endpoint_test_server):
 
 def test_export(endpoint_test_server):
     exp = http.PprofHTTPExporter(_ENDPOINT, _API_KEY)
-    exp.export(test_pprof.TEST_EVENTS, 0, 1)
+    exp.export(test_pprof.TEST_EVENTS, 0, compat.time_ns())
 
 
 def test_export_no_endpoint(endpoint_test_server):