Use of Viper and cobra

provider/etcd.go

@@ -8,13 +8,13 @@ import (
 
 // Etcd holds configurations of the Etcd provider.
 type Etcd struct {
-	Kv
+	Kv `mapstructure:",squash"`
 }
 
 // Provide allows the provider to provide configurations to traefik
 // using the given configuration channel.
 func (provider *Etcd) Provide(configurationChan chan<- types.ConfigMessage) error {
-	provider.StoreType = store.ETCD
+	provider.storeType = store.ETCD
 	etcd.Register()
 	return provider.provide(configurationChan)
 }