telemetry: added open telemetry tracing

cli/serve.go

@@ -9,6 +9,7 @@ import (
 	"github.com/tigorlazuardi/redmage/db"
 	"github.com/tigorlazuardi/redmage/db/queries"
 	"github.com/tigorlazuardi/redmage/pkg/log"
+	"github.com/tigorlazuardi/redmage/pkg/telemetry"
 	"github.com/tigorlazuardi/redmage/server"
 )
 
@@ -19,6 +20,9 @@ var serveCmd = &cobra.Command{
 	Short:        "Starts the HTTP Server",
 	SilenceUsage: true,
 	Run: func(cmd *cobra.Command, args []string) {
+		tele := telemetry.New()
+		defer tele.Close()
+
 		db, err := db.Open(cfg)
 		if err != nil {
 			log.New(cmd.Context()).Err(err).Error("failed to connect database")

go.mod

@@ -29,6 +29,7 @@ require (
 )
 
 require (
+	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/go-logr/logr v1.4.1 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
@@ -39,13 +40,15 @@ require (
 	github.com/mfridman/interpolate v0.0.2 // indirect
 	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.2 // indirect
+	github.com/riandyrn/otelchi v0.6.0 // indirect
 	github.com/sethvargo/go-retry v0.2.4 // indirect
 	go.opentelemetry.io/otel v1.25.0 // indirect
 	go.opentelemetry.io/otel/metric v1.25.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.25.0
 	go.opentelemetry.io/otel/trace v1.25.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/exp v0.0.0-20231219180239-dc181d75b848 // indirect
 	golang.org/x/sync v0.6.0 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -45,6 +45,8 @@ github.com/elastic/go-windows v1.0.1 h1:AlYZOldA+UJ0/2nBuqWdo90GFCgG9xuyw9SYzGUt
 github.com/elastic/go-windows v1.0.1/go.mod h1:FoVvqWSun28vaDQPbj2Elfc0JahhPB7WQEGa3c814Ss=
 github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
 github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
+github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
+github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
 github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
 github.com/go-chi/chi/v5 v5.0.12 h1:9euLV5sTrTNTRUU9POmDUvfxyj6LAABLUcEWO+JJb4s=
@@ -54,6 +56,7 @@ github.com/go-faster/city v1.0.1/go.mod h1:jKcUJId49qdW3L1qKHH/3wPeUstCVpVSXTM6v
 github.com/go-faster/errors v0.6.1 h1:nNIPOBkprlKzkThvS/0YaX8Zs9KewLCOSFQS5BU06FI=
 github.com/go-faster/errors v0.6.1/go.mod h1:5MGV2/2T9yvlrbhe9pD9LO5Z/2zCSq2T8j+Jpi2LAyY=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
+github.com/go-logr/logr v1.2.3/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
 github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
@@ -68,6 +71,7 @@ github.com/golang-jwt/jwt/v4 v4.5.0 h1:7cYmW1XlMY7h7ii7UhUyChSgS5wUJEnm9uZVTGqOW
 github.com/golang-jwt/jwt/v4 v4.5.0/go.mod h1:m21LjoU+eqJr34lmDMbreY2eSTRJ1cv77w39/MY0Ch0=
 github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
 github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 h1:El6M4kTTCOh6aBiKaUGG7oYTSPP8MxqL4YI3kZKwcP4=
@@ -161,6 +165,8 @@ github.com/prometheus/procfs v0.12.0 h1:jluTpSng7V9hY0O2R9DzzJHYb2xULk9VTR1V1R/k
 github.com/prometheus/procfs v0.12.0/go.mod h1:pcuDEFsWDnvcgNzo4EEweacyhjeA9Zk3cnaOZAZEfOo=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
+github.com/riandyrn/otelchi v0.6.0 h1:kN6fkq5qLTjUuLfHpRUSKevkgr3pAMOyC4caPO9KnyY=
+github.com/riandyrn/otelchi v0.6.0/go.mod h1:BfwVxPKUNgJx12Z8XSrMGYT8/pTge+QNaojnhifsd4E=
 github.com/robfig/cron/v3 v3.0.0 h1:kQ6Cb7aHOHTSzNVNEhmp8EcWKLb4CbiMW9h9VyIhO4E=
 github.com/robfig/cron/v3 v3.0.0/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
@@ -179,10 +185,14 @@ github.com/spf13/cobra v1.8.0/go.mod h1:WXLWApfZ71AjXPya3WOlMsY9yMs7YeiHhFVlvLyh
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0 h1:1zr/of2m5FGMsad5YfcqgdqdWrIhu+EBEJRhR1U7z/c=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/teivah/broadcast v0.1.0 h1:UMs1tn8w20Xlnod+VbLbwH3dzEH2zfJy4lxdzZjQLL0=
@@ -201,12 +211,17 @@ github.com/ydb-platform/ydb-go-genproto v0.0.0-20240126124512-dbb0e1720dbf h1:ck
 github.com/ydb-platform/ydb-go-genproto v0.0.0-20240126124512-dbb0e1720dbf/go.mod h1:Er+FePu1dNUieD+XTMDduGpQuCPssK5Q4BjF+IIXJ3I=
 github.com/ydb-platform/ydb-go-sdk/v3 v3.55.1 h1:Ebo6J5AMXgJ3A438ECYotA0aK7ETqjQx9WoZvVxzKBE=
 github.com/ydb-platform/ydb-go-sdk/v3 v3.55.1/go.mod h1:udNPW8eupyH/EZocecFmaSNJacKKYjzQa7cVgX5U2nc=
+go.opentelemetry.io/otel v1.10.0/go.mod h1:NbvWjCthWHKBEUMpf0/v8ZRZlni86PpGFEMA9pnQSnQ=
 go.opentelemetry.io/otel v1.20.0 h1:vsb/ggIY+hUjD/zCAQHpzTmndPqv/ml2ArbsbfBYTAc=
 go.opentelemetry.io/otel v1.20.0/go.mod h1:oUIGj3D77RwJdM6PPZImDpSZGDvkD9fhesHny69JFrs=
 go.opentelemetry.io/otel v1.25.0 h1:gldB5FfhRl7OJQbUHt/8s0a7cE8fbsPAtdpRaApKy4k=
 go.opentelemetry.io/otel v1.25.0/go.mod h1:Wa2ds5NOXEMkCmUou1WA7ZBfLTHWIsp034OVD7AO+Vg=
 go.opentelemetry.io/otel/metric v1.25.0 h1:LUKbS7ArpFL/I2jJHdJcqMGxkRdxpPHE0VU/D4NuEwA=
 go.opentelemetry.io/otel/metric v1.25.0/go.mod h1:rkDLUSd2lC5lq2dFNrX9LGAbINP5B7WBkC78RXCpH5s=
+go.opentelemetry.io/otel/sdk v1.10.0/go.mod h1:vO06iKzD5baltJz1zarxMCNHFpUlUiOy4s65ECtn6kE=
+go.opentelemetry.io/otel/sdk v1.25.0 h1:PDryEJPC8YJZQSyLY5eqLeafHtG+X7FWnf3aXMtxbqo=
+go.opentelemetry.io/otel/sdk v1.25.0/go.mod h1:oFgzCM2zdsxKzz6zwpTZYLLQsFwc+K0daArPdIhuxkw=
+go.opentelemetry.io/otel/trace v1.10.0/go.mod h1:Sij3YYczqAdz+EhmGhE6TpTxUO5/F/AzrK+kxfGqySM=
 go.opentelemetry.io/otel/trace v1.20.0 h1:+yxVAPZPbQhbC3OfAkeIVTky6iTFpcr4SiY9om7mXSQ=
 go.opentelemetry.io/otel/trace v1.20.0/go.mod h1:HJSK7F/hA5RlzpZ0zKDCHCDHm556LCDtKaAo6JmBFUU=
 go.opentelemetry.io/otel/trace v1.25.0 h1:tqukZGLwQYRIFtSQM2u2+yfMVTgGVeqRLPUYx1Dq6RM=
@@ -223,11 +238,14 @@ golang.org/x/net v0.20.0 h1:aCL9BSgETF1k+blQaYUBx9hJ9LOGP3gAVemcZlf1Kpo=
 golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
 golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
 golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
 golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
+golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
 golang.org/x/tools v0.17.0 h1:FvmRgNOcs3kOa+T20R1uhfP9F6HgG2mfxDv1vrx1Htc=

pkg/log/log.go

@@ -9,11 +9,11 @@ import (
 	"strings"
 	"time"
 
-	"github.com/go-chi/chi/v5/middleware"
 	"github.com/mattn/go-colorable"
 	"github.com/mattn/go-isatty"
 	"github.com/tigorlazuardi/redmage/config"
 	"github.com/tigorlazuardi/redmage/pkg/caller"
+	"go.opentelemetry.io/otel/trace"
 )
 
 var handler slog.Handler = NullHandler{}
@@ -240,8 +240,11 @@ func (entry *Entry) getCaller() caller.Caller {
 
 func (entry *Entry) getExtra() []slog.Attr {
 	out := make([]slog.Attr, 0, 4)
-	if reqid := middleware.GetReqID(entry.ctx); reqid != "" {
+	if span := trace.SpanFromContext(entry.ctx); span.IsRecording() {
-		out = append(out, slog.String("request.id", reqid))
+		out = append(out,
+			slog.String("trace.id", span.SpanContext().TraceID().String()),
+			slog.String("span.id", span.SpanContext().SpanID().String()),
+		)
 	}
 
 	out = append(out, entry.withAttrs...)

pkg/telemetry/telemetry.go

@@ -1,7 +1,38 @@
 package telemetry
 
-type Telemetry struct{}
+import (
+	"context"
+	"time"
+
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/propagation"
+	"go.opentelemetry.io/otel/sdk/trace"
+)
+
+type Telemetry struct {
+	tracer *trace.TracerProvider
+}
+
+func New() Telemetry {
+	otel.SetTextMapPropagator(createPropagator())
+	provider := createProvider()
+	otel.SetTracerProvider(provider)
+	return Telemetry{
+		tracer: provider,
+	}
+}
+
+func createPropagator() propagation.TextMapPropagator {
+	return propagation.NewCompositeTextMapPropagator(propagation.TraceContext{}, propagation.Baggage{})
+}
+
+func createProvider() *trace.TracerProvider {
+	return trace.NewTracerProvider()
+}
 
 func (te *Telemetry) Close() error {
-	return nil
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	return te.tracer.Shutdown(ctx)
 }

server/server.go

@@ -7,6 +7,7 @@ import (
 	"net/http"
 
 	"github.com/go-chi/chi/v5"
+	"github.com/riandyrn/otelchi"
 	"github.com/tigorlazuardi/redmage/api"
 	"github.com/tigorlazuardi/redmage/config"
 	"github.com/tigorlazuardi/redmage/pkg/caller"
@@ -45,6 +46,7 @@ func (srv *Server) Start(exit <-chan struct{}) error {
 
 func New(cfg *config.Config, api *api.API, publicDir fs.FS) *Server {
 	router := chi.NewRouter()
+	router.Use(otelchi.Middleware("redmage"))
 
 	routes := routes.Routes{
 		API:       api,