JaegerExporter: Fix incorrect log timestamps (#330)

* JaegerExporter: Fix incorrect log timestamps

* Fix lint

Author: mayurkale22

opencensus/trace/exporters/jaeger_exporter.py

@@ -292,9 +292,10 @@ def _extract_logs_from_span(span):
 
         event_time = datetime.datetime.strptime(
             time_event.timestamp, ISO_DATETIME_REGEX)
-        timestamp = calendar.timegm(event_time.timetuple()) * 1000
+        timestamp = calendar.timegm(event_time.timetuple()) \
+            * 1e6 + event_time.microsecond
 
-        logs.append(jaeger.Log(timestamp=timestamp, fields=fields))
+        logs.append(jaeger.Log(timestamp=int(round(timestamp)), fields=fields))
     return logs
 
 

tests/unit/trace/exporters/test_jaeger_exporter.py

@@ -348,7 +348,7 @@ def test_translate_to_jaeger(self):
                 ],
                 logs=[
                     jaeger.Log(
-                        timestamp=1502820146000,
+                        timestamp=1502820146071158,
                         fields=[
                             jaeger.Tag(
                                 key='annotation_bool',
@@ -374,7 +374,7 @@ def test_translate_to_jaeger(self):
                 duration=10000000,
                 logs=[
                     jaeger.Log(
-                        timestamp=1502820146000,
+                        timestamp=1502820146071158,
                         fields=[
                             jaeger.Tag(
                                 key='message',