OTLP exporter is encoding invalid span/trace IDs in the logs fix (#4006)

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- OTLP exporter is encoding invalid span/trace IDs in the logs fix
+  ([#4006](https://github.com/open-telemetry/opentelemetry-python/pull/4006))
 - Update sdk process resource detector `process.command_args` attribute to also include the executable itself
   ([#4032](https://github.com/open-telemetry/opentelemetry-python/pull/4032))
 - Fix `start_time_unix_nano` for delta collection for explicit bucket histogram aggregation

exporter/opentelemetry-exporter-otlp-proto-common/src/opentelemetry/exporter/otlp/proto/common/_internal/_log_encoder/__init__.py

@@ -39,11 +39,21 @@ def encode_logs(batch: Sequence[LogData]) -> ExportLogsServiceRequest:
 
 
 def _encode_log(log_data: LogData) -> PB2LogRecord:
+    span_id = (
+        None
+        if log_data.log_record.span_id == 0
+        else _encode_span_id(log_data.log_record.span_id)
+    )
+    trace_id = (
+        None
+        if log_data.log_record.trace_id == 0
+        else _encode_trace_id(log_data.log_record.trace_id)
+    )
     return PB2LogRecord(
         time_unix_nano=log_data.log_record.timestamp,
         observed_time_unix_nano=log_data.log_record.observed_timestamp,
-        span_id=_encode_span_id(log_data.log_record.span_id),
-        trace_id=_encode_trace_id(log_data.log_record.trace_id),
+        span_id=span_id,
+        trace_id=trace_id,
         flags=int(log_data.log_record.trace_flags),
         body=_encode_value(log_data.log_record.body),
         severity_text=log_data.log_record.severity_text,

exporter/opentelemetry-exporter-otlp-proto-common/tests/test_log_encoder.py

@@ -239,8 +239,8 @@ def get_test_logs(
                                 PB2LogRecord(
                                     time_unix_nano=1644650249738562048,
                                     observed_time_unix_nano=1644650249738562049,
-                                    trace_id=_encode_trace_id(0),
-                                    span_id=_encode_span_id(0),
+                                    trace_id=None,
+                                    span_id=None,
                                     flags=int(TraceFlags.DEFAULT),
                                     severity_text="WARN",
                                     severity_number=SeverityNumber.WARN.value,

exporter/opentelemetry-exporter-otlp-proto-grpc/tests/logs/test_otlp_logs_exporter.py

@@ -21,6 +21,7 @@
 from google.protobuf.duration_pb2 import (  # pylint: disable=no-name-in-module
     Duration,
 )
+from google.protobuf.json_format import MessageToDict
 from google.rpc.error_details_pb2 import RetryInfo
 from grpc import ChannelCredentials, Compression, StatusCode, server
 
@@ -167,6 +168,36 @@ def setUp(self):
                 "third_name", "third_version"
             ),
         )
+        self.log_data_4 = LogData(
+            log_record=LogRecord(
+                timestamp=int(time.time() * 1e9),
+                trace_id=0,
+                span_id=5213367945872657629,
+                trace_flags=TraceFlags(0x01),
+                severity_text="ERROR",
+                severity_number=SeverityNumber.WARN,
+                body="Invalid trace id check",
+                resource=SDKResource({"service": "myapp"}),
+            ),
+            instrumentation_scope=InstrumentationScope(
+                "fourth_name", "fourth_version"
+            ),
+        )
+        self.log_data_5 = LogData(
+            log_record=LogRecord(
+                timestamp=int(time.time() * 1e9),
+                trace_id=2604504634922341076776623263868986801,
+                span_id=0,
+                trace_flags=TraceFlags(0x01),
+                severity_text="ERROR",
+                severity_number=SeverityNumber.WARN,
+                body="Invalid span id check",
+                resource=SDKResource({"service": "myapp"}),
+            ),
+            instrumentation_scope=InstrumentationScope(
+                "fifth_name", "fifth_version"
+            ),
+        )
 
     def tearDown(self):
         self.server.stop(None)
@@ -342,6 +373,43 @@ def test_failure(self):
             self.exporter.export([self.log_data_1]), LogExportResult.FAILURE
         )
 
+    def export_log_and_deserialize(self, log_data):
+        # pylint: disable=protected-access
+        translated_data = self.exporter._translate_data([log_data])
+        request_dict = MessageToDict(translated_data)
+        log_records = (
+            request_dict.get("resourceLogs")[0]
+            .get("scopeLogs")[0]
+            .get("logRecords")
+        )
+        return log_records
+
+    def test_exported_log_without_trace_id(self):
+        log_records = self.export_log_and_deserialize(self.log_data_4)
+        if log_records:
+            log_record = log_records[0]
+            self.assertIn("spanId", log_record)
+            self.assertNotIn(
+                "traceId",
+                log_record,
+                "traceId should not be present in the log record",
+            )
+        else:
+            self.fail("No log records found")
+
+    def test_exported_log_without_span_id(self):
+        log_records = self.export_log_and_deserialize(self.log_data_5)
+        if log_records:
+            log_record = log_records[0]
+            self.assertIn("traceId", log_record)
+            self.assertNotIn(
+                "spanId",
+                log_record,
+                "spanId should not be present in the log record",
+            )
+        else:
+            self.fail("No log records found")
+
     def test_translate_log_data(self):
 
         expected = ExportLogsServiceRequest(

exporter/opentelemetry-exporter-otlp-proto-http/tests/test_proto_log_exporter.py

@@ -20,6 +20,7 @@
 
 import requests
 import responses
+from google.protobuf.json_format import MessageToDict
 
 from opentelemetry._logs import SeverityNumber
 from opentelemetry.exporter.otlp.proto.http import Compression
@@ -31,6 +32,9 @@
     OTLPLogExporter,
 )
 from opentelemetry.exporter.otlp.proto.http.version import __version__
+from opentelemetry.proto.collector.logs.v1.logs_service_pb2 import (
+    ExportLogsServiceRequest,
+)
 from opentelemetry.sdk._logs import LogData
 from opentelemetry.sdk._logs import LogRecord as SDKLogRecord
 from opentelemetry.sdk._logs.export import LogExportResult
@@ -167,6 +171,76 @@ def test_exporter_env(self):
         )
         self.assertIsInstance(exporter._session, requests.Session)
 
+    @staticmethod
+    def export_log_and_deserialize(log):
+        with patch("requests.Session.post") as mock_post:
+            exporter = OTLPLogExporter()
+            exporter.export([log])
+            request_body = mock_post.call_args[1]["data"]
+            request = ExportLogsServiceRequest()
+            request.ParseFromString(request_body)
+            request_dict = MessageToDict(request)
+            log_records = (
+                request_dict.get("resourceLogs")[0]
+                .get("scopeLogs")[0]
+                .get("logRecords")
+            )
+            return log_records
+
+    def test_exported_log_without_trace_id(self):
+        log = LogData(
+            log_record=SDKLogRecord(
+                timestamp=1644650195189786182,
+                trace_id=0,
+                span_id=1312458408527513292,
+                trace_flags=TraceFlags(0x01),
+                severity_text="WARN",
+                severity_number=SeverityNumber.WARN,
+                body="Invalid trace id check",
+                resource=SDKResource({"first_resource": "value"}),
+                attributes={"a": 1, "b": "c"},
+            ),
+            instrumentation_scope=InstrumentationScope("name", "version"),
+        )
+        log_records = TestOTLPHTTPLogExporter.export_log_and_deserialize(log)
+        if log_records:
+            log_record = log_records[0]
+            self.assertIn("spanId", log_record)
+            self.assertNotIn(
+                "traceId",
+                log_record,
+                "trace_id should not be present in the log record",
+            )
+        else:
+            self.fail("No log records found")
+
+    def test_exported_log_without_span_id(self):
+        log = LogData(
+            log_record=SDKLogRecord(
+                timestamp=1644650195189786360,
+                trace_id=89564621134313219400156819398935297696,
+                span_id=0,
+                trace_flags=TraceFlags(0x01),
+                severity_text="WARN",
+                severity_number=SeverityNumber.WARN,
+                body="Invalid span id check",
+                resource=SDKResource({"first_resource": "value"}),
+                attributes={"a": 1, "b": "c"},
+            ),
+            instrumentation_scope=InstrumentationScope("name", "version"),
+        )
+        log_records = TestOTLPHTTPLogExporter.export_log_and_deserialize(log)
+        if log_records:
+            log_record = log_records[0]
+            self.assertIn("traceId", log_record)
+            self.assertNotIn(
+                "spanId",
+                log_record,
+                "spanId should not be present in the log record",
+            )
+        else:
+            self.fail("No log records found")
+
     @responses.activate
     @patch("opentelemetry.exporter.otlp.proto.http._log_exporter.sleep")
     def test_exponential_backoff(self, mock_sleep):