Legacy gRPC e2e C++11 CI

.bazelignore

@@ -1,3 +1,4 @@
 third_party
 tools
 out
+examples/e2e

.github/workflows/ci.yml

@@ -366,6 +366,27 @@ jobs:
     - name: run tests
       run: ./ci/do_ci.sh bazel.tsan
 
+  bazel_e2e:
+    name: Bazel e2e gRPC C++11
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        submodules: 'recursive'
+    - name: Mount Bazel Cache
+      uses: actions/cache@v3
+      env:
+        cache-name: bazel_cache
+      with:
+        path: /home/runner/.cache/bazel
+        key: bazel_tsan
+    - name: setup
+      run: |
+        sudo ./ci/setup_ci_environment.sh
+        sudo ./ci/install_bazelisk.sh
+    - name: run tests
+      run: ./ci/do_ci.sh bazel.e2e
+
   bazel_osx:
     name: Bazel on MacOS
     runs-on: macos-latest

.gitignore

@@ -51,3 +51,5 @@
 
 tags
 .cache/clangd/*
+
+e2e/bazel-*

examples/e2e/.bazelrc

@@ -0,0 +1,5 @@
+# bazelrc file
+
+build --cxxopt='-std=c++11'
+build --action_env=GRPC_BAZEL_RUNTIME=1
+build --define=use_fast_cpp_protos=true

examples/e2e/BUILD

@@ -0,0 +1,12 @@
+cc_binary(
+    name = "e2e_example_otlp_grpc",
+    srcs = [
+        "grpc_main.cc",
+    ],
+    deps = [
+        "@io_opentelemetry_cpp//api",
+        "@io_opentelemetry_cpp//examples/common/foo_library:common_foo_library",
+        "@io_opentelemetry_cpp//exporters/otlp:otlp_grpc_exporter",
+        "@io_opentelemetry_cpp//sdk/src/trace",
+    ],
+)

examples/e2e/WORKSPACE

@@ -0,0 +1,36 @@
+workspace(name = "otel_e2e")
+
+load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
+
+http_archive(
+    name = "io_opentelemetry_cpp",
+    repo_mapping = {
+        "@com_github_grpc_grpc": "@com_github_grpc_grpc_latest11",
+    },
+    strip_prefix = "opentelemetry-cpp-grpc_e2e",
+    urls = [
+        "https://github.com/esigo/opentelemetry-cpp/archive/grpc_e2e.zip",
+    ],
+)
+
+# Load OpenTelemetry dependencies after load.
+load("@io_opentelemetry_cpp//bazel:repository.bzl", "opentelemetry_cpp_deps")
+
+opentelemetry_cpp_deps()
+
+# Load gRPC dependencies after load.
+load("@com_github_grpc_grpc//bazel:grpc_deps.bzl", "grpc_deps")
+
+grpc_deps()
+
+# Load extra gRPC dependencies due to https://github.com/grpc/grpc/issues/20511
+load("@com_github_grpc_grpc//bazel:grpc_extra_deps.bzl", "grpc_extra_deps")
+
+grpc_extra_deps()
+
+load("@com_github_grpc_grpc//bazel:cc_grpc_library.bzl", "cc_grpc_library")
+load("@upb//bazel:workspace_deps.bzl", "upb_deps")
+
+upb_deps()

examples/e2e/grpc_main.cc

@@ -0,0 +1,50 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+#include "opentelemetry/exporters/otlp/otlp_grpc_exporter_factory.h"
+#include "opentelemetry/sdk/trace/simple_processor_factory.h"
+#include "opentelemetry/sdk/trace/tracer_provider_factory.h"
+#include "opentelemetry/trace/provider.h"
+
+#ifdef BAZEL_BUILD
+#  include "examples/common/foo_library/foo_library.h"
+#else
+#  include "foo_library/foo_library.h"
+#endif
+
+namespace trace     = opentelemetry::trace;
+namespace nostd     = opentelemetry::nostd;
+namespace trace_sdk = opentelemetry::sdk::trace;
+namespace otlp      = opentelemetry::exporter::otlp;
+
+namespace
+{
+opentelemetry::exporter::otlp::OtlpGrpcExporterOptions opts;
+void InitTracer()
+{
+  // Create OTLP exporter instance
+  auto exporter  = otlp::OtlpGrpcExporterFactory::Create(opts);
+  auto processor = trace_sdk::SimpleSpanProcessorFactory::Create(std::move(exporter));
+  std::shared_ptr<opentelemetry::trace::TracerProvider> provider =
+      trace_sdk::TracerProviderFactory::Create(std::move(processor));
+  // Set the global trace provider
+  trace::Provider::SetTracerProvider(provider);
+}
+}  // namespace
+
+int main(int argc, char *argv[])
+{
+  if (argc > 1)
+  {
+    opts.endpoint = argv[1];
+    if (argc > 2)
+    {
+      opts.use_ssl_credentials         = true;
+      opts.ssl_credentials_cacert_path = argv[2];
+    }
+  }
+  // Removing this line will leave the default noop TracerProvider in place.
+  InitTracer();
+
+  foo_library();
+}