85 lines
1.8 KiB
Go
85 lines
1.8 KiB
Go
package main
|
|
|
|
import (
|
|
"context"
|
|
"net/http"
|
|
"time"
|
|
|
|
"git.mak-sim.ru/maksim/observability_2025/internal/logger"
|
|
"github.com/go-chi/chi/middleware"
|
|
"github.com/go-chi/chi/v5"
|
|
"github.com/juju/zaputil/zapctx"
|
|
"go.opentelemetry.io/otel"
|
|
"go.uber.org/zap"
|
|
"moul.io/chizap"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/client_golang/prometheus/promauto"
|
|
"github.com/prometheus/client_golang/prometheus/promhttp"
|
|
)
|
|
|
|
const (
|
|
TRACER_NAME = "go_test"
|
|
)
|
|
|
|
var tracer = otel.Tracer(TRACER_NAME)
|
|
|
|
func someFunc(ctx context.Context) {
|
|
_, span := tracer.Start(ctx, "someFunc")
|
|
defer span.End()
|
|
|
|
logger := zapctx.Logger(ctx)
|
|
time.Sleep(1 * time.Second)
|
|
logger.Info("Hi from SomeFunc")
|
|
}
|
|
|
|
func main() {
|
|
ctx := context.Background()
|
|
logger, err := logger.GetLogger(false)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
shutdown, err := InstallExportPipeline()
|
|
if err != nil {
|
|
logger.Fatal(err.Error())
|
|
}
|
|
defer func() {
|
|
if err := shutdown(ctx); err != nil {
|
|
logger.Fatal(err.Error())
|
|
}
|
|
}()
|
|
|
|
r := chi.NewRouter()
|
|
|
|
logger = logger.With(zap.Any("someKey", "someValue"))
|
|
|
|
r.Use(middleware.RequestID)
|
|
r.Use(chizap.New(logger, &chizap.Opts{
|
|
WithReferer: true,
|
|
WithUserAgent: true,
|
|
}))
|
|
|
|
counter := promauto.NewCounter(prometheus.CounterOpts{
|
|
Namespace: "teta", Name: "testcounter", Help: "Main endpoint request counter",
|
|
})
|
|
|
|
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
|
|
ctxLocal, span := tracer.Start(r.Context(), "main")
|
|
defer span.End()
|
|
counter.Inc()
|
|
ctx := zapctx.WithLogger(ctxLocal, logger)
|
|
someFunc(ctx)
|
|
_, err := w.Write([]byte("welcome"))
|
|
if err != nil {
|
|
logger.Error("Error writing response", zap.Error(err))
|
|
}
|
|
})
|
|
|
|
http.Handle("/metrics", promhttp.Handler())
|
|
go http.ListenAndServe(":9000", nil) //nolint:errcheck
|
|
|
|
logger.Info("Server started")
|
|
http.ListenAndServe(":8080", r) //nolint:errcheck
|
|
}
|