OTLP trace gRPC exporter

.github/dependabot.yml

@@ -236,3 +236,23 @@ updates:
     schedule:
       day: sunday
       interval: weekly
+  -
+    package-ecosystem: gomod
+    directory: /exporters/otlp/otlptrace
+    labels:
+      - dependencies
+      - go
+      - "Skip Changelog"
+    schedule:
+      day: sunday
+      interval: weekly
+  -
+    package-ecosystem: gomod
+    directory: /exporters/otlp/otlptrace/otlptracegrpc
+    labels:
+      - dependencies
+      - go
+      - "Skip Changelog"
+    schedule:
+      day: sunday
+      interval: weekly

CHANGELOG.md

@@ -26,6 +26,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
   This type can be used as a testing replacement for the `SpanSnapshot` that was removed from the `go.opentelemetry.io/otel/sdk/trace` package. (#1873)
 - Adds support for scheme in `OTEL_EXPORTER_OTLP_ENDPOINT` according to the spec. (#1886)
 - An example of using OpenTelemetry Go as a trace context forwarder. (#1912)
+- Refactor out the OTLP trace gRPC exporter in its own module. (#1922)
 
 ### Changed
 

Makefile

@@ -168,6 +168,7 @@ dependabot-check:
 	); \
 	if [ -n "$$result" ]; then \
 		echo "missing go.mod dependabot check:"; echo "$$result"; \
+		echo "new modules needs to be added to the .github/dependabot.yml file"; \
 		exit 1; \
 	fi
 

bridge/opencensus/go.mod

@@ -57,3 +57,7 @@ replace go.opentelemetry.io/otel/sdk/metric => ../../sdk/metric
 replace go.opentelemetry.io/otel/trace => ../../trace
 
 replace go.opentelemetry.io/otel/example/passthrough => ../../example/passthrough
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace => ../../exporters/otlp/otlptrace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc => ../../exporters/otlp/otlptrace/otlptracegrpc

bridge/opentracing/go.mod

@@ -53,3 +53,7 @@ replace go.opentelemetry.io/otel/sdk/metric => ../../sdk/metric
 replace go.opentelemetry.io/otel/trace => ../../trace
 
 replace go.opentelemetry.io/otel/example/passthrough => ../../example/passthrough
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace => ../../exporters/otlp/otlptrace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc => ../../exporters/otlp/otlptrace/otlptracegrpc

example/jaeger/go.mod

@@ -53,3 +53,7 @@ replace go.opentelemetry.io/otel/sdk/metric => ../../sdk/metric
 replace go.opentelemetry.io/otel/trace => ../../trace
 
 replace go.opentelemetry.io/otel/example/passthrough => ../passthrough
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace => ../../exporters/otlp/otlptrace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc => ../../exporters/otlp/otlptrace/otlptracegrpc

example/namedtracer/go.mod

@@ -54,3 +54,7 @@ replace go.opentelemetry.io/otel/sdk/metric => ../../sdk/metric
 replace go.opentelemetry.io/otel/trace => ../../trace
 
 replace go.opentelemetry.io/otel/example/passthrough => ../passthrough
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace => ../../exporters/otlp/otlptrace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc => ../../exporters/otlp/otlptrace/otlptracegrpc

example/opencensus/go.mod

@@ -55,3 +55,7 @@ replace go.opentelemetry.io/otel/sdk/metric => ../../sdk/metric
 replace go.opentelemetry.io/otel/trace => ../../trace
 
 replace go.opentelemetry.io/otel/example/passthrough => ../passthrough
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace => ../../exporters/otlp/otlptrace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc => ../../exporters/otlp/otlptrace/otlptracegrpc

example/otel-collector/go.mod

@@ -57,3 +57,7 @@ replace go.opentelemetry.io/otel/sdk/metric => ../../sdk/metric
 replace go.opentelemetry.io/otel/trace => ../../trace
 
 replace go.opentelemetry.io/otel/example/passthrough => ../passthrough
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace => ../../exporters/otlp/otlptrace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc => ../../exporters/otlp/otlptrace/otlptracegrpc

example/passthrough/go.mod

@@ -1,6 +1,6 @@
 module go.opentelemetry.io/otel/example/passthrough
 
-go 1.16
+go 1.15
 
 require (
 	go.opentelemetry.io/otel v0.20.0
@@ -55,3 +55,7 @@ replace go.opentelemetry.io/otel/sdk/export/metric => ../../sdk/export/metric
 replace go.opentelemetry.io/otel/sdk/metric => ../../sdk/metric
 
 replace go.opentelemetry.io/otel/sdk/trace => ../../sdk/trace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace => ../../exporters/otlp/otlptrace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc => ../../exporters/otlp/otlptrace/otlptracegrpc

example/prom-collector/go.mod

@@ -56,3 +56,7 @@ replace go.opentelemetry.io/otel/sdk/metric => ../../sdk/metric
 replace go.opentelemetry.io/otel/trace => ../../trace
 
 replace go.opentelemetry.io/otel/example/passthrough => ../passthrough
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace => ../../exporters/otlp/otlptrace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc => ../../exporters/otlp/otlptrace/otlptracegrpc

example/prometheus/go.mod

@@ -53,3 +53,7 @@ replace go.opentelemetry.io/otel/sdk/metric => ../../sdk/metric
 replace go.opentelemetry.io/otel/trace => ../../trace
 
 replace go.opentelemetry.io/otel/example/passthrough => ../passthrough
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace => ../../exporters/otlp/otlptrace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc => ../../exporters/otlp/otlptrace/otlptracegrpc

example/zipkin/go.mod

@@ -54,3 +54,7 @@ replace go.opentelemetry.io/otel/sdk/metric => ../../sdk/metric
 replace go.opentelemetry.io/otel/trace => ../../trace
 
 replace go.opentelemetry.io/otel/example/passthrough => ../passthrough
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace => ../../exporters/otlp/otlptrace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc => ../../exporters/otlp/otlptrace/otlptracegrpc

exporters/metric/prometheus/go.mod

@@ -58,3 +58,7 @@ replace go.opentelemetry.io/otel/sdk/metric => ../../../sdk/metric
 replace go.opentelemetry.io/otel/trace => ../../../trace
 
 replace go.opentelemetry.io/otel/example/passthrough => ../../../example/passthrough
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace => ../../otlp/otlptrace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc => ../../otlp/otlptrace/otlptracegrpc

exporters/otlp/go.mod

@@ -63,4 +63,8 @@ replace go.opentelemetry.io/otel/sdk/metric => ../../sdk/metric
 
 replace go.opentelemetry.io/otel/trace => ../../trace
 
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace => ./otlptrace
+
+replace go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc => ./otlptrace/otlptracegrpc
+
 replace go.opentelemetry.io/otel/example/passthrough => ../../example/passthrough

exporters/otlp/grpc/connection/alignment_test.go

@@ -0,0 +1,38 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package connection
+
+import (
+	"os"
+	"testing"
+	"unsafe"
+
+	ottest "go.opentelemetry.io/otel/internal/internaltest"
+)
+
+// Ensure struct alignment prior to running tests.
+func TestMain(m *testing.M) {
+	fields := []ottest.FieldOffset{
+		{
+			Name:   "connection.lastConnectErrPtr",
+			Offset: unsafe.Offsetof(Connection{}.lastConnectErrPtr),
+		},
+	}
+	if !ottest.Aligned8Byte(fields, os.Stderr) {
+		os.Exit(1)
+	}
+
+	os.Exit(m.Run())
+}