39 lines
800 B
Go
39 lines
800 B
Go
package api
|
|
|
|
import (
|
|
"expvar"
|
|
"fmt"
|
|
"net/http"
|
|
"runtime"
|
|
|
|
"github.com/containous/mux"
|
|
)
|
|
|
|
func init() {
|
|
expvar.Publish("Goroutines", expvar.Func(goroutines))
|
|
}
|
|
|
|
func goroutines() interface{} {
|
|
return runtime.NumGoroutine()
|
|
}
|
|
|
|
// DebugHandler expose debug routes
|
|
type DebugHandler struct{}
|
|
|
|
// AddRoutes add debug routes on a router
|
|
func (g DebugHandler) AddRoutes(router *mux.Router) {
|
|
router.Methods("GET").Path("/debug/vars").
|
|
HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
fmt.Fprint(w, "{\n")
|
|
first := true
|
|
expvar.Do(func(kv expvar.KeyValue) {
|
|
if !first {
|
|
fmt.Fprint(w, ",\n")
|
|
}
|
|
first = false
|
|
fmt.Fprintf(w, "%q: %s", kv.Key, kv.Value)
|
|
})
|
|
fmt.Fprint(w, "\n}\n")
|
|
})
|
|
}
|