address comments

Author: Andrew Xue

docs/examples/cloud_trace_exporter/README.rst

@@ -18,41 +18,17 @@ To use this exporter you first need to:
 
     pip install opentelemetry-api
     pip install opentelemetry-sdk
-    pip install opentelemetry-ext-cloud-trace
+    pip install opentelemetry-exporter-cloud-trace
 
 * Run example
 
 .. code-block:: sh
 
     python basic_trace.py
 
-Server-Client Example
---------------------------
-
-* Installation
-
-.. code-block:: sh
-
-    pip install flask
-    pip install requests
-    pip install opentelemetry-api
-    pip install opentelemetry-sdk
-    pip install opentelemetry-ext-cloud-trace
-    pip install opentelemetry-ext-flask
-
-* Start server
-
-.. code-block:: sh
-
-    python server.py
-
-* Run client
-
-.. code-block:: sh
-
-    python client.py
-
 Checking Output
 --------------------------
 
-After running any of these examples, you can go to `Cloud Trace overview <https://console.cloud.google.com/traces/list>`_ to see the results.
+After running any of these examples, you can go to `Cloud Trace overview <https://console.cloud.google.com/traces/list>`_ to see the results.
+
+* `More information about exporters in general <https://opentelemetry-python.readthedocs.io/en/stable/getting-started.html#configure-exporters-to-emit-spans-elsewhere>`_

docs/examples/cloud_trace_exporter/basic_trace.py

@@ -1,5 +1,5 @@
 from opentelemetry import trace
-from opentelemetry.ext.cloud_trace import CloudTraceSpanExporter
+from opentelemetry.exporter.cloud_trace import CloudTraceSpanExporter
 from opentelemetry.sdk.trace import TracerProvider
 from opentelemetry.sdk.trace.export import SimpleExportSpanProcessor
 

docs/examples/cloud_trace_exporter/client.py

@@ -1,7 +1,7 @@
 OpenTelemetry Cloud Trace Exporter
 ==================================
 
-.. automodule:: opentelemetry.ext.cloud_trace
+.. automodule:: opentelemetry.exporter.cloud_trace
     :members:
     :undoc-members:
     :show-inheritance:

docs/examples/cloud_trace_exporter/server.py

@@ -8,15 +8,15 @@ Installation
 
 ::
 
-    pip install opentelemetry-ext-cloud-trace
+    pip install opentelemetry-exporter-cloud-trace
 
 Usage
 -----
 
 .. code:: python
 
     from opentelemetry import trace
-    from opentelemetry.ext.cloud_trace import CloudTraceSpanExporter
+    from opentelemetry.exporter.cloud_trace import CloudTraceSpanExporter
     from opentelemetry.sdk.trace import TracerProvider
     from opentelemetry.sdk.trace.export import (
         SimpleExportSpanProcessor,

docs/ext/cloud_trace/cloud_trace.rst

@@ -13,13 +13,13 @@
 # limitations under the License.
 #
 [metadata]
-name = opentelemetry-ext-cloud-trace
+name = opentelemetry-exporter-cloud-trace
 description = Cloud Trace integration for OpenTelemetry
 long_description = file: README.rst
 long_description_content_type = text/x-rst
 author = OpenTelemetry Authors
 author_email = [email protected]
-url = https://github.com/open-telemetry/opentelemetry-python/ext/opentelemetry-ext-cloud-trace
+url = https://github.com/open-telemetry/opentelemetry-python/ext/opentelemetry-exporter-cloud-trace
 platforms = any
 license = Apache-2.0
 classifiers =

ext/opentelemetry-ext-cloud-trace/README.rst renamed to ext/opentelemetry-exporter-cloud-trace/README.rst

@@ -17,7 +17,7 @@
 
 BASE_DIR = os.path.dirname(__file__)
 VERSION_FILENAME = os.path.join(
-    BASE_DIR, "src", "opentelemetry", "ext", "cloud_trace", "version.py"
+    BASE_DIR, "src", "opentelemetry", "exporter", "cloud_trace", "version.py"
 )
 PACKAGE_INFO = {}
 with open(VERSION_FILENAME) as f:

ext/opentelemetry-ext-cloud-trace/setup.cfg renamed to ext/opentelemetry-exporter-cloud-trace/setup.cfg

@@ -21,7 +21,7 @@
 .. code-block:: python
 
     from opentelemetry import trace
-    from opentelemetry.ext.cloud_trace import CloudTraceSpanExporter
+    from opentelemetry.exporter.cloud_trace import CloudTraceSpanExporter
     from opentelemetry.sdk.trace import TracerProvider
     from opentelemetry.sdk.trace.export import SimpleExportSpanProcessor
 
@@ -88,25 +88,25 @@ def export(self, spans: Sequence[Span]) -> SpanExportResult:
             spans: Tuple of spans to export
         """
         cloud_trace_spans = []
-        for span in self.translate_to_cloud_trace(spans):
+        for span in self._translate_to_cloud_trace(spans):
             try:
                 cloud_trace_spans.append(self.client.create_span(**span))
             # pylint: disable=broad-except
             except Exception as ex:
-                logger.warning("Error %s when creating span %s", ex, span)
+                logger.error("Error when creating span %s", span, exc_info=ex)
 
         try:
             self.client.batch_write_spans(
                 "projects/{}".format(self.project_id), cloud_trace_spans,
             )
         # pylint: disable=broad-except
         except Exception as ex:
-            logger.warning("Error while writing to Cloud Trace: %s", ex)
+            logger.error("Error while writing to Cloud Trace", exc_info=ex)
             return SpanExportResult.FAILURE
 
         return SpanExportResult.SUCCESS
 
-    def translate_to_cloud_trace(
+    def _translate_to_cloud_trace(
         self, spans: Sequence[Span]
     ) -> List[Dict[str, Any]]:
         """Translate the spans to Cloud Trace format.
@@ -286,7 +286,7 @@ def _format_attribute_value(value: types.AttributeValue) -> AttributeValue:
         value = _get_truncatable_str_object(value)
     elif isinstance(value, float):
         value_type = "string_value"
-        value = _get_truncatable_str_object(str(value))
+        value = _get_truncatable_str_object("{:0.4f}".format(value))
     else:
         logger.warning(
             "ignoring attribute value %s of type %s. Values type must be one "

ext/opentelemetry-ext-cloud-trace/setup.py renamed to ext/opentelemetry-exporter-cloud-trace/setup.py

@@ -20,7 +20,7 @@
 from google.cloud.trace_v2.proto.trace_pb2 import TruncatableString
 from google.rpc.status_pb2 import Status
 
-from opentelemetry.ext.cloud_trace import (
+from opentelemetry.exporter.cloud_trace import (
     CloudTraceSpanExporter,
     _extract_attributes,
     _extract_events,
@@ -29,15 +29,15 @@
     _truncate_str,
 )
 from opentelemetry.sdk.trace import Event, Span
-from opentelemetry.trace import Link, SpanContext, SpanKind
+from opentelemetry.trace import DefaultSpan, Link, SpanContext, SpanKind
 from opentelemetry.trace.status import Status as SpanStatus
 from opentelemetry.trace.status import StatusCanonicalCode
 
 
 class TestCloudTraceSpanExporter(unittest.TestCase):
     def setUp(self):
         self.client_patcher = mock.patch(
-            "opentelemetry.ext.cloud_trace.TraceServiceClient"
+            "opentelemetry.exporter.cloud_trace.TraceServiceClient"
         )
         self.client_patcher.start()
         self.project_id = "PROJECT"
@@ -254,6 +254,3 @@ def test_extract_links(self):
                 ]
             ),
         )
-
-    def test_truncate_string(self):
-        self.assertEqual("111", _truncate_str("1111", 3)[0])

ext/opentelemetry-ext-cloud-trace/src/opentelemetry/ext/cloud_trace/__init__.py renamed to ext/opentelemetry-exporter-cloud-trace/src/opentelemetry/exporter/cloud_trace/__init__.py

@@ -16,11 +16,10 @@
 import os
 from urllib.parse import urlparse
 
+import opentelemetry.trace as trace_api
 from ddtrace.ext import SpanTypes as DatadogSpanTypes
 from ddtrace.internal.writer import AgentWriter
 from ddtrace.span import Span as DatadogSpan
-
-import opentelemetry.trace as trace_api
 from opentelemetry.sdk.trace.export import SpanExporter, SpanExportResult
 from opentelemetry.trace.status import StatusCanonicalCode
 

ext/opentelemetry-ext-cloud-trace/src/opentelemetry/ext/cloud_trace/version.py renamed to ext/opentelemetry-exporter-cloud-trace/src/opentelemetry/exporter/cloud_trace/version.py

@@ -19,7 +19,6 @@
 from unittest import mock
 
 from ddtrace.internal.writer import AgentWriter
-
 from opentelemetry import trace as trace_api
 from opentelemetry.ext import datadog
 from opentelemetry.sdk import trace

ext/opentelemetry-ext-cloud-trace/tests/__init__.py renamed to ext/opentelemetry-exporter-cloud-trace/tests/__init__.py

@@ -16,8 +16,6 @@ Released 2020-05-27
   ([#729](https://github.com/open-telemetry/opentelemetry-python/pull/729))
 - deep copy empty attributes
   ([#714](https://github.com/open-telemetry/opentelemetry-python/pull/714))
-- Add cloud trace exporter
-  ([#698](https://github.com/open-telemetry/opentelemetry-python/pull/698))
 
 ## 0.7b1
 

ext/opentelemetry-ext-cloud-trace/tests/test_cloud_trace_exporter.py renamed to ext/opentelemetry-exporter-cloud-trace/tests/test_cloud_trace_exporter.py

@@ -24,7 +24,7 @@ cov ext/opentelemetry-ext-flask
 cov ext/opentelemetry-ext-requests
 cov ext/opentelemetry-ext-jaeger
 cov ext/opentelemetry-ext-opentracing-shim
-cov ext/opentelemetry-ext-cloud-trace
+cov ext/opentelemetry-exporter-cloud-trace
 cov ext/opentelemetry-ext-wsgi
 cov ext/opentelemetry-ext-zipkin
 cov docs/examples/opentelemetry-example-app

ext/opentelemetry-ext-datadog/src/opentelemetry/ext/datadog/exporter.py

@@ -150,7 +150,7 @@ changedir =
   test-ext-opencensusexporter: ext/opentelemetry-ext-opencensusexporter/tests
   test-ext-prometheus: ext/opentelemetry-ext-prometheus/tests
   test-ext-pymongo: ext/opentelemetry-ext-pymongo/tests
-  test-ext-cloud-trace: ext/opentelemetry-ext-cloud-trace/tests
+  test-exporter-cloud-trace: ext/opentelemetry-exporter-cloud-trace/tests
   test-ext-psycopg2: ext/opentelemetry-ext-psycopg2/tests
   test-ext-pymysql: ext/opentelemetry-ext-pymysql/tests
   test-ext-asgi: ext/opentelemetry-ext-asgi/tests