fiber_tracing Middleware trace requests on Fiber framework with OpenTracing API. You can use every tracer that implement OpenTracing interface
go get -u github.com/gofiber/fiber
go get -u github.com/shareed2k/fiber_tracing
Property | Type | Description | Default |
---|---|---|---|
Tracer | opentracing.Tracer |
initializes an opentracing tracer., possible values: jaeger , lightstep , instana , basictracer-go , ... |
"&opentracing.NoopTracer{}" |
OperationName | func(*fiber.Ctx) string |
Span operation name | "HTTP " + ctx.Method() + " URL: " + ctx.Path() |
ComponentName | string |
Used for describing the tracing component name | fiber/v2 |
ParentSpanKey | string |
context key string used to get span scoped to the request | #defaultTracingParentSpanKey |
Filter | func(*fiber.Ctx) bool |
Defines a function to skip middleware. | nil |
Modify | func(*fiber.Ctx, opentracing.Span) |
Defines a function to edit span like add tags or logs... | span.SetTag("http.remote_addr", ctx.IP()) ... |
package main
import (
"github.com/gofiber/fiber"
"github.com/shareed2k/fiber_tracing"
"github.com/uber/jaeger-client-go/config"
)
func main() {
app := fiber.New()
defcfg := config.Configuration{
ServiceName: "fiber-tracer",
Sampler: &config.SamplerConfig{
Type: "const",
Param: 1,
},
Reporter: &config.ReporterConfig{
LogSpans: true,
BufferFlushInterval: 1 * time.Second,
},
}
cfg, err := defcfg.FromEnv()
if err != nil {
panic("Could not parse Jaeger env vars: " + err.Error())
}
tracer, closer, err := cfg.NewTracer()
if err != nil {
panic("Could not initialize jaeger tracer: " + err.Error())
}
defer closer.Close()
app.Use(fiber_tracing.NewWithConfig(fiber_tracing.Config{
Tracer: tracer,
}))
// or
/*
app.Use(fiber_tracing.New(tracer))
*/
app.Get("/", func(c *fiber.Ctx) {
c.Send("Welcome!")
})
app.Listen(3000)
}
package main
import (
"github.com/gofiber/fiber"
"github.com/shareed2k/fiber_tracing"
"github.com/uber/jaeger-client-go/config"
)
func main() {
app := fiber.New()
closer := fiber_tracing.NewWithJaegerTracer(app)
defer closer.Close()
app.Get("/", func(c *fiber.Ctx) {
c.Send("Welcome!")
})
app.Listen(3000)
}