feat: adding proto over http for collector exporter

.nycrc

@@ -5,6 +5,7 @@
   "exclude": [
     "**/*.d.ts",
     "build/**/*.*",
+    "generated/**/*.*",
     "src/index.ts",
     "src/platform/**/index.ts",
     "src/platform/browser/*.ts",

examples/collector-exporter-node/docker/collector-config.yaml

@@ -1,5 +1,11 @@
 receivers:
-  otlp: {}
+  otlp:
+    {}
+# keep it when upgrading to version 0.5+
+#    protocols:
+#      grpc:
+#      http:
+#        endpoint: localhost:55680
 
 exporters:
   zipkin:

examples/collector-exporter-node/docker/docker-compose.yaml

@@ -3,8 +3,6 @@ services:
   # Collector
   collector:
     image: otel/opentelemetry-collector:0.4.0
-    networks:
-      - otelcol
     command: ["--config=/conf/collector-config.yaml", "--log-level=DEBUG"]
     volumes:
       - ./collector-config.yaml:/conf/collector-config.yaml
@@ -15,10 +13,6 @@ services:
   # Zipkin
   zipkin-all-in-one:
     image: openzipkin/zipkin:latest
-    networks:
-      - otelcol
     ports:
       - "9411:9411"
 
-networks:
-  otelcol:

examples/collector-exporter-node/package.json

@@ -6,7 +6,8 @@
   "main": "index.js",
   "scripts": {
     "start": "node ./start.js",
-    "docker:start": "cd ./docker && docker-compose down && docker-compose up -d",
+    "docker:start": "cd ./docker && docker-compose down && docker-compose up",
+    "docker:startd": "cd ./docker && docker-compose down && docker-compose up -d",
     "docker:stop": "cd ./docker && docker-compose down"
   },
   "repository": {

examples/collector-exporter-node/start.js

@@ -9,7 +9,8 @@ const exporter = new CollectorTraceExporter({
   // headers: {
   //   foo: 'bar'
   // },
-  protocolNode: CollectorProtocolNode.HTTP_JSON,
+  protocolNode: CollectorProtocolNode.HTTP_PROTO,
+  // protocolNode: CollectorProtocolNode.HTTP_JSON,
 });
 
 const provider = new BasicTracerProvider();

packages/opentelemetry-exporter-collector/README.md

@@ -132,10 +132,33 @@ provider.register();
 
 ```
 
+## Usage in Node - PROTO over http
+
+```js
+const { BasicTracerProvider, SimpleSpanProcessor } = require('@opentelemetry/tracing');
+const { CollectorExporter, CollectorTransportNode } =  require('@opentelemetry/exporter-collector');
+
+const collectorOptions = {
+  protocolNode: CollectorTransportNode.HTTP_PROTO,
+  serviceName: 'basic-service',
+  url: '<opentelemetry-collector-url>', // url is optional and can be omitted - default is http://localhost:55680/v1/trace
+  headers: {
+    foo: 'bar'
+  }, //an optional object containing custom headers to be sent with each request will only work with json over http
+};
+
+const provider = new BasicTracerProvider();
+const exporter = new CollectorExporter(collectorOptions);
+provider.addSpanProcessor(new SimpleSpanProcessor(exporter));
+
+provider.register();
+
+```
+
 ## Running opentelemetry-collector locally to see the traces
 
-1. Go to examples/basic-tracer-node
-2. run `npm run collector:docker:ot`
+1. Go to examples/collector-exporter-node
+2. run `npm run docker:start`
 3. Open page at `http://localhost:9411/zipkin/` to observe the traces
 
 ## Useful links

packages/opentelemetry-exporter-collector/gen.sh

@@ -0,0 +1,13 @@
+clear
+git submodule sync --recursive
+git submodule update --init --recursive
+
+OUT_DIR="./generated"
+
+protoc \
+    --js_out="import_style=commonjs,binary:${OUT_DIR}" \
+    --proto_path="src/platform/node/protos/" \
+    opentelemetry/proto/common/v1/common.proto \
+    opentelemetry/proto/resource/v1/resource.proto \
+    opentelemetry/proto/trace/v1/trace.proto \
+    opentelemetry/proto/collector/trace/v1/trace_service.proto \