Publish hotrod image to docker hub

Signed-off-by: Pavol Loffay <ploffay@redhat.com>

.travis.yml

@@ -23,6 +23,9 @@ matrix:
   - go: 1.9
     env:
     - ES_INTEGRATION_TEST=true
+  - go: 1.9
+    env:
+    - HOTROD=true
 
 services:
   - docker
@@ -50,6 +53,7 @@ script:
   - if [ "$CROSSDOCK" == true ]; then bash ./scripts/travis/build-crossdock.sh ; else echo 'skipping crossdock'; fi
   - if [ "$DOCKER" == true ]; then bash ./scripts/travis/build-docker-images.sh ; else echo 'skipping docker images'; fi
   - if [ "$ES_INTEGRATION_TEST" == true ]; then bash ./scripts/travis/es-integration-test.sh ; else echo 'skipping elastic search integration test'; fi
+  - if [ "$HOTROD" == true ]; then bash ./scripts/travis/hotrod-integration-test.sh ; else echo 'skipping hotrod example'; fi
 
 after_success:
   - if [ "$COVERAGE" == true ]; then travis_retry goveralls -coverprofile=cover.out -service=travis-ci || true ; else echo 'skipping coverage'; fi

Makefile

@@ -122,9 +122,19 @@ install-glide:
 install: install-glide
 	glide install
 
+.PHONY: install-go-bindata
+install-go-bindata:
+	go get github.com/jteeuwen/go-bindata/...
+	go get github.com/elazarl/go-bindata-assetfs/...
+
 .PHONY: build-examples
-build-examples:
-	go build -o ./examples/hotrod/hotrod-demo ./examples/hotrod/main.go
+build-examples: install-go-bindata
+	cd ./examples/hotrod/services/frontend/ && go-bindata-assetfs -pkg frontend web_assets/... && cd -
+	CGO_ENABLED=0 GOOS=linux installsuffix=cgo go build -o ./examples/hotrod/hotrod-linux ./examples/hotrod/main.go
+
+.PHONE: docker-hotrod
+docker-hotrod: build-examples
+	docker build -t $(DOCKER_NAMESPACE)/example-hotrod:${DOCKER_TAG} ./examples/hotrod
 
 .PHONY: build_ui
 build_ui:
@@ -177,7 +187,7 @@ docker-push:
 	if [ $$CONFIRM != "y" ] && [ $$CONFIRM != "Y" ]; then \
 		echo "Exiting." ; exit 1 ; \
 	fi
-	for component in agent cassandra-schema collector query ; do \
+	for component in agent cassandra-schema collector query example-hotrod; do \
 		docker push $(DOCKER_NAMESPACE)/jaeger-$$component ; \
 	done
 

examples/hotrod/.gitignore

@@ -1 +1 @@
-hotrod-demo
+hotrod-linux

examples/hotrod/Dockerfile

@@ -1,4 +1,4 @@
 FROM scratch
 EXPOSE 8080 8081 8082 8083
-COPY hotrod-linux /
-CMD ["./hotrod-linux", "all"]
+COPY hotrod-linux /go/bin/
+CMD ["/go/bin/hotrod-linux", "all"]

examples/hotrod/README.md

@@ -23,22 +23,28 @@ to view the traces. A tutorial / walkthough is available:
 
 An all-in-one Jaeger backend is packaged as a Docker container with in-memory storage.
 
-```
-docker run -d -p6831:6831/udp -p16686:16686 jaegertracing/all-in-one:latest
+```bash
+docker run -d --name jaeger -p6831:6831/udp -p16686:16686 jaegertracing/all-in-one:latest
 ```
 
 Jaeger UI can be accessed at http://localhost:16686.
 
-### Run HotROD Application
+### Run HotROD from source
 
-```
+```bash
 go get github.com/jaegertracing/jaeger
 cd $GOPATH/src/github.com/jaegertracing/jaeger
 make install
 cd examples/hotrod
 go run ./main.go all
 ```
 
+### Run HotROD from docker
+```bash
+docker run --rm -it --link jaeger -p8080:8080 jaegertracing/example-hotrod:latest /go/bin/hotrod-linux all --jaeger-agent.host-port=jaeger:6831
+```
+
+
 Then open http://127.0.0.1:8080
 
 

examples/hotrod/services/frontend/server.go

@@ -60,7 +60,12 @@ func (s *Server) createServeMux() http.Handler {
 
 func (s *Server) home(w http.ResponseWriter, r *http.Request) {
 	s.logger.For(r.Context()).Info("HTTP", zap.String("method", r.Method), zap.Stringer("url", r.URL))
-	http.ServeFile(w, r, "services/frontend/web_assets/index.html")
+	b, err := assetFS().Asset("web_assets/index.html")
+	if err != nil {
+		http.Error(w, "Could not load index page", http.StatusInternalServerError)
+		s.logger.Bg().Error("Could lot load static assets", zap.Error(err))
+	}
+	w.Write(b)
 }
 
 func (s *Server) dispatch(w http.ResponseWriter, r *http.Request) {