extensions: add OpenTelemetry tracer extension for exporting OTLP traces (#20281)

Signed-off-by: Alex Ellis <ellisonjtk@gmail.com>

Mirrored from https://github.com/envoyproxy/envoy @ f7a8db0599924663a3549460edeb212be97e2ced

bazel/external_proto_deps.bzl

@@ -32,6 +32,7 @@ EXTERNAL_PROTO_GO_BAZEL_DEP_MAP = {
     "@com_google_googleapis//google/api/expr/v1alpha1:syntax_proto": "@go_googleapis//google/api/expr/v1alpha1:expr_go_proto",
     "@opencensus_proto//opencensus/proto/trace/v1:trace_proto": "@opencensus_proto//opencensus/proto/trace/v1:trace_proto_go",
     "@opencensus_proto//opencensus/proto/trace/v1:trace_config_proto": "@opencensus_proto//opencensus/proto/trace/v1:trace_and_config_proto_go",
+    "@opentelemetry_proto//:trace": "@opentelemetry_proto//:trace_go_proto",
     "@opentelemetry_proto//:logs": "@opentelemetry_proto//:logs_go_proto",
     "@opentelemetry_proto//:common": "@opentelemetry_proto//:common_go_proto",
 }
@@ -42,6 +43,7 @@ EXTERNAL_PROTO_CC_BAZEL_DEP_MAP = {
     "@com_google_googleapis//google/api/expr/v1alpha1:syntax_proto": "@com_google_googleapis//google/api/expr/v1alpha1:syntax_cc_proto",
     "@opencensus_proto//opencensus/proto/trace/v1:trace_proto": "@opencensus_proto//opencensus/proto/trace/v1:trace_proto_cc",
     "@opencensus_proto//opencensus/proto/trace/v1:trace_config_proto": "@opencensus_proto//opencensus/proto/trace/v1:trace_config_proto_cc",
+    "@opentelemetry_proto//:trace": "@opentelemetry_proto//:trace_cc_proto",
     "@opentelemetry_proto//:logs": "@opentelemetry_proto//:logs_cc_proto",
     "@opentelemetry_proto//:common": "@opentelemetry_proto//:common_cc_proto",
 }
@@ -52,6 +54,7 @@ EXTERNAL_PROTO_PY_BAZEL_DEP_MAP = {
     "@com_google_googleapis//google/api/expr/v1alpha1:syntax_proto": "@com_google_googleapis//google/api/expr/v1alpha1:syntax_py_proto",
     "@opencensus_proto//opencensus/proto/trace/v1:trace_proto": "@opencensus_proto//opencensus/proto/trace/v1:trace_proto_py",
     "@opencensus_proto//opencensus/proto/trace/v1:trace_config_proto": "@opencensus_proto//opencensus/proto/trace/v1:trace_config_proto_py",
+    "@opentelemetry_proto//:trace": "@opentelemetry_proto//:trace_py_proto",
     "@opentelemetry_proto//:logs": "@opentelemetry_proto//:logs_py_proto",
     "@opentelemetry_proto//:common": "@opentelemetry_proto//:common_py_proto",
 }

bazel/repositories.bzl

@@ -42,7 +42,7 @@ def api_dependencies():
     )
     external_http_archive(
         name = "opentelemetry_proto",
-        build_file_content = OPENTELEMETRY_LOGS_BUILD_CONTENT,
+        build_file_content = OPENTELEMETRY_BUILD_CONTENT,
     )
     external_http_archive(
         name = "com_github_bufbuild_buf",
@@ -111,7 +111,7 @@ go_proto_library(
 )
 """
 
-OPENTELEMETRY_LOGS_BUILD_CONTENT = """
+OPENTELEMETRY_BUILD_CONTENT = """
 load("@envoy_api//bazel:api_build_system.bzl", "api_cc_py_proto_library")
 load("@io_bazel_rules_go//proto:def.bzl", "go_proto_library")
 
@@ -123,6 +123,17 @@ api_cc_py_proto_library(
     visibility = ["//visibility:public"],
 )
 
+api_cc_py_proto_library(
+    name = "resource",
+    srcs = [
+        "opentelemetry/proto/resource/v1/resource.proto",
+    ],
+    deps = [
+        "//:common",
+    ],
+    visibility = ["//visibility:public"],
+)
+
 go_proto_library(
     name = "common_go_proto",
     importpath = "go.opentelemetry.io/proto/otlp/common/v1",
@@ -137,10 +148,10 @@ api_cc_py_proto_library(
     srcs = [
         "opentelemetry/proto/collector/logs/v1/logs_service.proto",
         "opentelemetry/proto/logs/v1/logs.proto",
-        "opentelemetry/proto/resource/v1/resource.proto",
     ],
     deps = [
         "//:common",
+        "//:resource",
     ],
     visibility = ["//visibility:public"],
 )
@@ -151,6 +162,19 @@ go_proto_library(
     proto = ":logs",
     visibility = ["//visibility:public"],
 )
+
+api_cc_py_proto_library(
+    name = "trace",
+    srcs = [
+        "opentelemetry/proto/collector/trace/v1/trace_service.proto",
+        "opentelemetry/proto/trace/v1/trace.proto",
+    ],
+    deps = [
+        "//:common",
+        "//:resource",
+    ],
+    visibility = ["//visibility:public"],
+)
 """
 
 BUF_BUILD_CONTENT = """

bazel/repository_locations.bzl

@@ -100,9 +100,9 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "OpenTelemetry Proto",
         project_desc = "Language Independent Interface Types For OpenTelemetry",
         project_url = "https://github.com/open-telemetry/opentelemetry-proto",
-        version = "0.11.0",
-        sha256 = "985367f8905e91018e636cbf0d83ab3f834b665c4f5899a27d10cae9657710e2",
-        release_date = "2021-10-07",
+        version = "0.18.0",
+        sha256 = "134ce87f0a623daac19b9507b92da0d9b82929e3db796bba631e422f6ea8d3b3",
+        release_date = "2022-05-17",
         strip_prefix = "opentelemetry-proto-{version}",
         urls = ["https://github.com/open-telemetry/opentelemetry-proto/archive/v{version}.tar.gz"],
         use_category = ["api"],

envoy/config/trace/v3/opentelemetry.proto

@@ -0,0 +1,26 @@
+syntax = "proto3";
+
+package envoy.config.trace.v3;
+
+import "envoy/config/core/v3/grpc_service.proto";
+
+import "udpa/annotations/migrate.proto";
+import "udpa/annotations/status.proto";
+import "udpa/annotations/versioning.proto";
+import "validate/validate.proto";
+
+option java_package = "io.envoyproxy.envoy.config.trace.v3";
+option java_outer_classname = "OpentelemetryProto";
+option java_multiple_files = true;
+option go_package = "github.com/envoyproxy/go-control-plane/envoy/config/trace/v3;tracev3";
+option (udpa.annotations.file_status).package_version_status = ACTIVE;
+
+// [#protodoc-title: OpenTelemetry tracer]
+
+// Configuration for the OpenTelemetry tracer.
+//  [#extension: envoy.tracers.opentelemetry]
+message OpenTelemetryConfig {
+  // The upstream gRPC cluster that will receive OTLP traces.
+  // Note that the tracer drops traces if the server does not read data fast enough.
+  core.v3.GrpcService grpc_service = 1 [(validate.rules).message = {required: true}];
+}

envoy/config/trace/v3/trace.proto

@@ -7,6 +7,7 @@ import public "envoy/config/trace/v3/dynamic_ot.proto";
 import public "envoy/config/trace/v3/http_tracer.proto";
 import public "envoy/config/trace/v3/lightstep.proto";
 import public "envoy/config/trace/v3/opencensus.proto";
+import public "envoy/config/trace/v3/opentelemetry.proto";
 import public "envoy/config/trace/v3/service.proto";
 import public "envoy/config/trace/v3/zipkin.proto";