Moved to google.golang.org/genproto/googleapis/api/annotations

Fixes #52

vendor/github.com/go-kit/kit/examples/stringsvc3/main.go

@@ -0,0 +1,69 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"net/http"
+	"os"
+
+	stdprometheus "github.com/prometheus/client_golang/prometheus"
+
+	"github.com/go-kit/kit/log"
+	kitprometheus "github.com/go-kit/kit/metrics/prometheus"
+	httptransport "github.com/go-kit/kit/transport/http"
+)
+
+func main() {
+	var (
+		listen = flag.String("listen", ":8080", "HTTP listen address")
+		proxy  = flag.String("proxy", "", "Optional comma-separated list of URLs to proxy uppercase requests")
+	)
+	flag.Parse()
+
+	var logger log.Logger
+	logger = log.NewLogfmtLogger(os.Stderr)
+	logger = log.With(logger, "listen", *listen, "caller", log.DefaultCaller)
+
+	fieldKeys := []string{"method", "error"}
+	requestCount := kitprometheus.NewCounterFrom(stdprometheus.CounterOpts{
+		Namespace: "my_group",
+		Subsystem: "string_service",
+		Name:      "request_count",
+		Help:      "Number of requests received.",
+	}, fieldKeys)
+	requestLatency := kitprometheus.NewSummaryFrom(stdprometheus.SummaryOpts{
+		Namespace: "my_group",
+		Subsystem: "string_service",
+		Name:      "request_latency_microseconds",
+		Help:      "Total duration of requests in microseconds.",
+	}, fieldKeys)
+	countResult := kitprometheus.NewSummaryFrom(stdprometheus.SummaryOpts{
+		Namespace: "my_group",
+		Subsystem: "string_service",
+		Name:      "count_result",
+		Help:      "The result of each count method.",
+	}, []string{})
+
+	var svc StringService
+	svc = stringService{}
+	svc = proxyingMiddleware(context.Background(), *proxy, logger)(svc)
+	svc = loggingMiddleware(logger)(svc)
+	svc = instrumentingMiddleware(requestCount, requestLatency, countResult)(svc)
+
+	uppercaseHandler := httptransport.NewServer(
+		makeUppercaseEndpoint(svc),
+		decodeUppercaseRequest,
+		encodeResponse,
+	)
+	countHandler := httptransport.NewServer(
+		makeCountEndpoint(svc),
+		decodeCountRequest,
+		encodeResponse,
+	)
+
+	http.Handle("/uppercase", uppercaseHandler)
+	http.Handle("/count", countHandler)
+	http.Handle("/metrics", stdprometheus.Handler())
+	logger.Log("msg", "HTTP", "addr", *listen)
+	logger.Log("err", http.ListenAndServe(*listen, nil))
+}