gofiber · heisGarvit · Aug 11, 2024
@@ -14,14 +14,14 @@ id: otelfiber
 
 Can be found on [OpenTelemetry Registry](https://opentelemetry.io/registry/instrumentation-go-fiber/).
 
-**Note: Requires Go 1.19 and above**
+**Note: Requires Go 1.21 and above**
 
 ## Install
 
-This middleware supports Fiber v2.
+This middleware supports Fiber v3.
 
 ```
-go get -u github.com/gofiber/contrib/otelfiber/v2
+go get -u github.com/gofiber/contrib/otelfiber/v3
 ```
 
 ## Signature
@@ -36,15 +36,15 @@ You can configure the middleware using functional parameters
 
 | Function                | Argument Type                            | Description                                                                      | Default                                                             |
 | :------------------------ | :-------------------------------- | :--------------------------------------------------------------------------------- | :-------------------------------------------------------------------- |
-| `WithNext`                    | `func(*fiber.Ctx) bool`         | Define a function to skip this middleware when returned true .| nil                                                                 |
+| `WithNext`                    | `func(fiber.Ctx) bool`         | Define a function to skip this middleware when returned true .| nil                                                                 |
 | `WithTracerProvider`          | `oteltrace.TracerProvider`      | Specifies a tracer provider to use for creating a tracer.                         | nil - the global tracer provider is used                                   |
 | `WithMeterProvider`           | `otelmetric.MeterProvider`      | Specifies a meter provider to use for reporting.                                     | nil - the global meter provider is used                                                             |
 | `WithPort`                    | `int`                          | Specifies the value to use when setting the `net.host.port` attribute on metrics/spans.                            | Defaults to (`80` for `http`, `443` for `https`)              |
 | `WithPropagators`             | `propagation.TextMapPropagator` | Specifies propagators to use for extracting information from the HTTP requests.                     | If none are specified, global ones will be used                                                               |
 | `WithServerName`              | `string`                       | Specifies the value to use when setting the `http.server_name` attribute on metrics/spans.                                          | -                                                                   |
-| `WithSpanNameFormatter`       | `func(*fiber.Ctx) string`       | Takes a function that will be called on every request and the returned string will become the span Name.                                   | Default formatter returns the route pathRaw |
-| `WithCustomAttributes`        | `func(*fiber.Ctx) []attribute.KeyValue` | Define a function to add custom attributes to the span.                  | nil                                                                 |
-| `WithCustomMetricAttributes`  | `func(*fiber.Ctx) []attribute.KeyValue` | Define a function to add custom attributes to the metrics.               | nil                                                                 |
+| `WithSpanNameFormatter`       | `func(fiber.Ctx) string`       | Takes a function that will be called on every request and the returned string will become the span Name.                                   | Default formatter returns the route pathRaw |
+| `WithCustomAttributes`        | `func(fiber.Ctx) []attribute.KeyValue` | Define a function to add custom attributes to the span.                  | nil                                                                 |
+| `WithCustomMetricAttributes`  | `func(fiber.Ctx) []attribute.KeyValue` | Define a function to add custom attributes to the metrics.               | nil                                                                 |
 | `WithCollectClientIP`         | `bool` | Specifies whether to collect the client's IP address from the request. | true |
 
 ## Usage
@@ -63,17 +63,17 @@ import (
 
 	"go.opentelemetry.io/otel/sdk/resource"
 
-	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/fiber/v3"
 
-	"github.com/gofiber/contrib/otelfiber"
+	"github.com/gofiber/contrib/otelfiber/v3"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
 	stdout "go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
 
 	//"go.opentelemetry.io/otel/exporters/jaeger"
 	"go.opentelemetry.io/otel/propagation"
 	sdktrace "go.opentelemetry.io/otel/sdk/trace"
-	semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.12.0"
 	oteltrace "go.opentelemetry.io/otel/trace"
 )
 
@@ -91,11 +91,11 @@ func main() {
 
 	app.Use(otelfiber.Middleware())
 
-	app.Get("/error", func(ctx *fiber.Ctx) error {
+	app.Get("/error", func(ctx fiber.Ctx) error {
 		return errors.New("abc")
 	})
 
-	app.Get("/users/:id", func(c *fiber.Ctx) error {
+	app.Get("/users/:id", func(c fiber.Ctx) error {
 		id := c.Params("id")
 		name := getUser(c.UserContext(), id)
 		return c.JSON(fiber.Map{"id": id, name: name})

@@ -1,7 +1,7 @@
 package otelfiber
 
 import (
-	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/fiber/v3"
 	"go.opentelemetry.io/otel/attribute"
 	otelmetric "go.opentelemetry.io/otel/metric"
 	"go.opentelemetry.io/otel/propagation"
@@ -10,15 +10,15 @@ import (
 
 // config is used to configure the Fiber middleware.
 type config struct {
-	Next                   func(*fiber.Ctx) bool
+	Next                   func(fiber.Ctx) bool
 	TracerProvider         oteltrace.TracerProvider
 	MeterProvider          otelmetric.MeterProvider
 	Port                   *int
 	Propagators            propagation.TextMapPropagator
 	ServerName             *string
-	SpanNameFormatter      func(*fiber.Ctx) string
-	CustomAttributes       func(*fiber.Ctx) []attribute.KeyValue
-	CustomMetricAttributes func(*fiber.Ctx) []attribute.KeyValue
+	SpanNameFormatter      func(fiber.Ctx) string
+	CustomAttributes       func(fiber.Ctx) []attribute.KeyValue
+	CustomMetricAttributes func(fiber.Ctx) []attribute.KeyValue
 	collectClientIP        bool
 }
 
@@ -35,7 +35,7 @@ func (o optionFunc) apply(c *config) {
 
 // WithNext takes a function that will be called on every
 // request, the middleware will be skipped if returning true
-func WithNext(f func(ctx *fiber.Ctx) bool) Option {
+func WithNext(f func(ctx fiber.Ctx) bool) Option {
 	return optionFunc(func(cfg *config) {
 		cfg.Next = f
 	})
@@ -68,7 +68,7 @@ func WithMeterProvider(provider otelmetric.MeterProvider) Option {
 
 // WithSpanNameFormatter takes a function that will be called on every
 // request and the returned string will become the Span Name
-func WithSpanNameFormatter(f func(ctx *fiber.Ctx) string) Option {
+func WithSpanNameFormatter(f func(ctx fiber.Ctx) string) Option {
 	return optionFunc(func(cfg *config) {
 		cfg.SpanNameFormatter = f
 	})
@@ -93,15 +93,15 @@ func WithPort(port int) Option {
 
 // WithCustomAttributes specifies a function that will be called on every
 // request and the returned attributes will be added to the span.
-func WithCustomAttributes(f func(ctx *fiber.Ctx) []attribute.KeyValue) Option {
+func WithCustomAttributes(f func(ctx fiber.Ctx) []attribute.KeyValue) Option {
 	return optionFunc(func(cfg *config) {
 		cfg.CustomAttributes = f
 	})
 }
 
 // WithCustomMetricAttributes specifies a function that will be called on every
 // request and the returned attributes will be added to the metrics.
-func WithCustomMetricAttributes(f func(ctx *fiber.Ctx) []attribute.KeyValue) Option {
+func WithCustomMetricAttributes(f func(ctx fiber.Ctx) []attribute.KeyValue) Option {
 	return optionFunc(func(cfg *config) {
 		cfg.CustomMetricAttributes = f
 	})

@@ -3,4 +3,4 @@
 //
 // Currently, only the routing of a received message can be instrumented. To do
 // so, use the Middleware function.
-package otelfiber // import" github.com/gofiber/contrib/otelfiber"
+package otelfiber // import" github.com/gofiber/contrib/otelfiber/v3"
@@ -1,33 +1,32 @@
 module github.com/gofiber/contrib/otelfiber/example
 
-go 1.18
+go 1.21
 
-replace github.com/gofiber/contrib/otelfiber => ../
+replace github.com/gofiber/contrib/otelfiber/v3 => ../
 
 require (
-	github.com/gofiber/contrib/otelfiber v1.0.9
-	github.com/gofiber/fiber/v2 v2.52.5
-	go.opentelemetry.io/otel v1.24.0
-	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.24.0
-	go.opentelemetry.io/otel/sdk v1.24.0
-	go.opentelemetry.io/otel/trace v1.24.0
+	github.com/gofiber/contrib/otelfiber/v3 v3.0.0
+	github.com/gofiber/fiber/v3 v3.0.0-beta.3
+	go.opentelemetry.io/otel v1.28.0
+	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.28.0
+	go.opentelemetry.io/otel/sdk v1.28.0
+	go.opentelemetry.io/otel/trace v1.28.0
 
 )
 
 require (
-	github.com/andybalholm/brotli v1.0.5 // indirect
-	github.com/go-logr/logr v1.4.1 // indirect
+	github.com/andybalholm/brotli v1.1.0 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
-	github.com/google/uuid v1.5.0 // indirect
-	github.com/klauspost/compress v1.17.0 // indirect
+	github.com/gofiber/utils/v2 v2.0.0-beta.6 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-runewidth v0.0.15 // indirect
-	github.com/rivo/uniseg v0.4.4 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
-	github.com/valyala/fasthttp v1.51.0 // indirect
+	github.com/valyala/fasthttp v1.55.0 // indirect
 	github.com/valyala/tcplisten v1.0.0 // indirect
-	go.opentelemetry.io/contrib v1.20.0 // indirect
-	go.opentelemetry.io/otel/metric v1.24.0 // indirect
-	golang.org/x/sys v0.17.0 // indirect
+	go.opentelemetry.io/contrib v1.28.0 // indirect
+	go.opentelemetry.io/otel/metric v1.28.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
 )
@@ -1,50 +1,52 @@
-github.com/andybalholm/brotli v1.0.5 h1:8uQZIdzKmjc/iuPu7O2ioW48L81FgatrcpfFmiq/cCs=
-github.com/andybalholm/brotli v1.0.5/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig=
+github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M=
+github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-logr/logr v1.2.2/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/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
+github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
-github.com/gofiber/fiber/v2 v2.52.5 h1:tWoP1MJQjGEe4GB5TUGOi7P2E0ZMMRx5ZTG4rT+yGMo=
-github.com/gofiber/fiber/v2 v2.52.5/go.mod h1:KEOE+cXMhXG0zHc9d8+E38hoX+ZN7bhOtgeF2oT6jrQ=
+github.com/gofiber/fiber/v3 v3.0.0-beta.3 h1:7Q2I+HsIqnIEEDB+9oe7Gadpakh6ZLhXpTYz/L20vrg=
+github.com/gofiber/fiber/v3 v3.0.0-beta.3/go.mod h1:kcMur0Dxqk91R7p4vxEpJfDWZ9u5IfvrtQc8Bvv/JmY=
+github.com/gofiber/utils/v2 v2.0.0-beta.6 h1:ED62bOmpRXdgviPlfTmf0Q+AXzhaTUAFtdWjgx+XkYI=
+github.com/gofiber/utils/v2 v2.0.0-beta.6/go.mod h1:3Kz8Px3jInKFvqxDzDeoSygwEOO+3uyubTmUa6PqY+0=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
-github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/klauspost/compress v1.17.0 h1:Rnbp4K9EjcDuVuHtd0dgA4qNuv9yKDYKK1ulpJwgrqM=
-github.com/klauspost/compress v1.17.0/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
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+github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
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 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
-github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
-github.com/rivo/uniseg v0.4.4 h1:8TfxU8dW6PdqD27gjM8MVNuicgxIjxpm4K7x4jp8sis=
-github.com/rivo/uniseg v0.4.4/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
-github.com/valyala/fasthttp v1.51.0 h1:8b30A5JlZ6C7AS81RsWjYMQmrZG6feChmgAolCl1SqA=
-github.com/valyala/fasthttp v1.51.0/go.mod h1:oI2XroL+lI7vdXyYoQk03bXBThfFl2cVdIA3Xl7cH8g=
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-go.opentelemetry.io/contrib v1.20.0 h1:oXUiIQLlkbi9uZB/bt5B1WRLsrTKqb7bPpAQ+6htn2w=
-go.opentelemetry.io/contrib v1.20.0/go.mod h1:gIzjwWFoGazJmtCaDgViqOSJPde2mCWzv60o0bWPcZs=
-go.opentelemetry.io/otel v1.24.0 h1:0LAOdjNmQeSTzGBzduGe/rU4tZhMwL5rWgtp9Ku5Jfo=
-go.opentelemetry.io/otel v1.24.0/go.mod h1:W7b9Ozg4nkF5tWI5zsXkaKKDjdVjpD4oAt9Qi/MArHo=
-go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.24.0 h1:s0PHtIkN+3xrbDOpt2M8OTG92cWqUESvzh2MxiR5xY8=
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-go.opentelemetry.io/otel/metric v1.24.0 h1:6EhoGWWK28x1fbpA4tYTOWBkPefTDQnb8WSGXlc88kI=
-go.opentelemetry.io/otel/metric v1.24.0/go.mod h1:VYhLe1rFfxuTXLgj4CBiyz+9WYBA8pNGJgDcSFRKBco=
-go.opentelemetry.io/otel/sdk v1.24.0 h1:YMPPDNymmQN3ZgczicBY3B6sf9n62Dlj9pWD3ucgoDw=
-go.opentelemetry.io/otel/sdk v1.24.0/go.mod h1:KVrIYw6tEubO9E96HQpcmpTKDVn9gdv35HoYiQWGDFg=
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-go.opentelemetry.io/otel/trace v1.24.0/go.mod h1:HPc3Xr/cOApsBI154IU0OI0HJexz+aw5uPdbs3UCjNU=
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 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 v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
-golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
@@ -7,17 +7,17 @@ import (
 
 	"go.opentelemetry.io/otel/sdk/resource"
 
-	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/fiber/v3"
 
-	"github.com/gofiber/contrib/otelfiber"
+	"github.com/gofiber/contrib/otelfiber/v3"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
 	stdout "go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
 
 	//"go.opentelemetry.io/otel/exporters/jaeger"
 	"go.opentelemetry.io/otel/propagation"
 	sdktrace "go.opentelemetry.io/otel/sdk/trace"
-	semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.12.0"
 	oteltrace "go.opentelemetry.io/otel/trace"
 )
 
@@ -34,17 +34,17 @@ func main() {
 	app := fiber.New()
 
 	// customise span name
-	//app.Use(otelfiber.Middleware(otelfiber.WithSpanNameFormatter(func(ctx *fiber.Ctx) string {
+	//app.Use(otelfiber.Middleware(otelfiber.WithSpanNameFormatter(func(ctx fiber.Ctx) string {
 	//	return fmt.Sprintf("%s - %s", ctx.Method(), ctx.Route().Path)
 	//})))
 
 	app.Use(otelfiber.Middleware())
 
-	app.Get("/error", func(ctx *fiber.Ctx) error {
+	app.Get("/error", func(ctx fiber.Ctx) error {
 		return errors.New("abc")
 	})
 
-	app.Get("/users/:id", func(c *fiber.Ctx) error {
+	app.Get("/users/:id", func(c fiber.Ctx) error {
 		id := c.Params("id")
 		name := getUser(c.UserContext(), id)
 		return c.JSON(fiber.Map{"id": id, name: name})
@@ -65,7 +65,7 @@ func initTracer() *sdktrace.TracerProvider {
 		sdktrace.WithResource(
 			resource.NewWithAttributes(
 				semconv.SchemaURL,
-				semconv.ServiceNameKey.String("my-service"),
+				semconv.ServiceNameKey.String("my-service-fiber-v3"),
 			)),
 	)
 	otel.SetTracerProvider(tp)