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Merge pull request #124 from emilevauge/panic-bad-configuration

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Add check in invoked method
This commit is contained in:
Vincent Demeester 2015-11-23 20:54:16 +01:00
parent 4218467ab3 b0e66a4aa6
commit 4729e3e999
1 changed files with 10 additions and 3 deletions
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13
traefik.go
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@ -290,7 +290,10 @@ func LoadConfig(configurations configs, globalConfiguration *GlobalConfiguration
newRoute := router.NewRoute().Name(frontendName)
for routeName, route := range frontend.Routes {
log.Debugf("Creating route %s %s:%s", routeName, route.Rule, route.Value)
newRouteReflect := Invoke(newRoute, route.Rule, route.Value)
newRouteReflect, err := invoke(newRoute, route.Rule, route.Value)
if err != nil {
return nil, err
}
newRoute = newRouteReflect[0].Interface().(*mux.Route)
}
if backends[frontend.Backend] == nil {
@ -354,10 +357,14 @@ func LoadConfig(configurations configs, globalConfiguration *GlobalConfiguration
// Invoke calls the specified method with the specified arguments on the specified interface.
// It uses the go(lang) reflect package.
func Invoke(any interface{}, name string, args ...interface{}) []reflect.Value {
func invoke(any interface{}, name string, args ...interface{}) ([]reflect.Value, error) {
inputs := make([]reflect.Value, len(args))
for i := range args {
inputs[i] = reflect.ValueOf(args[i])
}
return reflect.ValueOf(any).MethodByName(name).Call(inputs)
method := reflect.ValueOf(any).MethodByName(name)
if method.IsValid() {
return method.Call(inputs), nil
}
return nil, errors.New("Method not found: " + name)
}