c296f4fed6
* When route cannot be found on chi, go to macaron * Stick chi version to 1.5.0 * Follow router log setting
55 lines
1.3 KiB
Go
Vendored
55 lines
1.3 KiB
Go
Vendored
package middleware
|
|
|
|
import (
|
|
"expvar"
|
|
"fmt"
|
|
"net/http"
|
|
"net/http/pprof"
|
|
|
|
"github.com/go-chi/chi"
|
|
)
|
|
|
|
// Profiler is a convenient subrouter used for mounting net/http/pprof. ie.
|
|
//
|
|
// func MyService() http.Handler {
|
|
// r := chi.NewRouter()
|
|
// // ..middlewares
|
|
// r.Mount("/debug", middleware.Profiler())
|
|
// // ..routes
|
|
// return r
|
|
// }
|
|
func Profiler() http.Handler {
|
|
r := chi.NewRouter()
|
|
r.Use(NoCache)
|
|
|
|
r.Get("/", func(w http.ResponseWriter, r *http.Request) {
|
|
http.Redirect(w, r, r.RequestURI+"/pprof/", 301)
|
|
})
|
|
r.HandleFunc("/pprof", func(w http.ResponseWriter, r *http.Request) {
|
|
http.Redirect(w, r, r.RequestURI+"/", 301)
|
|
})
|
|
|
|
r.HandleFunc("/pprof/*", pprof.Index)
|
|
r.HandleFunc("/pprof/cmdline", pprof.Cmdline)
|
|
r.HandleFunc("/pprof/profile", pprof.Profile)
|
|
r.HandleFunc("/pprof/symbol", pprof.Symbol)
|
|
r.HandleFunc("/pprof/trace", pprof.Trace)
|
|
r.HandleFunc("/vars", expVars)
|
|
|
|
return r
|
|
}
|
|
|
|
// Replicated from expvar.go as not public.
|
|
func expVars(w http.ResponseWriter, r *http.Request) {
|
|
first := true
|
|
w.Header().Set("Content-Type", "application/json")
|
|
fmt.Fprintf(w, "{\n")
|
|
expvar.Do(func(kv expvar.KeyValue) {
|
|
if !first {
|
|
fmt.Fprintf(w, ",\n")
|
|
}
|
|
first = false
|
|
fmt.Fprintf(w, "%q: %s", kv.Key, kv.Value)
|
|
})
|
|
fmt.Fprintf(w, "\n}\n")
|
|
}
|