3 files changed, 17 insertions, 5 deletions
diff --git a/plugins/config/provider.go b/plugins/config/provider.go
index bec417e9..580231fd 100644
--- a/plugins/config/provider.go
+++ b/plugins/config/provider.go
@@ -10,6 +10,10 @@ type Provider interface {
 	//     }
 	// }
 	UnmarshalKey(name string, out interface{}) error
+
 	// Get used to get config section
 	Get(name string) interface{}
+
+	// Has checks if config section exists.
+	Has(name string) bool
 }
diff --git a/plugins/config/tests/plugin1.go b/plugins/config/tests/plugin1.go
index 7573dc82..7c5f2afd 100644
--- a/plugins/config/tests/plugin1.go
+++ b/plugins/config/tests/plugin1.go
@@ -15,18 +15,17 @@ type ReloadConfig struct {
 }
 
 type ServiceConfig struct {
-	Enabled bool
+	Enabled   bool
 	Recursive bool
-	Patterns []string
-	Dirs []string
-	Ignore []string
+	Patterns  []string
+	Dirs      []string
+	Ignore    []string
 }
 
 type Foo struct {
 	configProvider config.Provider
 }
 
-
 // Depends on S2 and DB (S3 in the current case)
 func (f *Foo) Init(p config.Provider) error {
 	f.configProvider = p
diff --git a/plugins/config/viper.go b/plugins/config/viper.go
index 0362e79b..b276dbe2 100644
--- a/plugins/config/viper.go
+++ b/plugins/config/viper.go
@@ -17,17 +17,21 @@ type ViperProvider struct {
 //////// ENDURE //////////
 func (v *ViperProvider) Init() error {
 	v.viper = viper.New()
+
 	// read in environment variables that match
 	v.viper.AutomaticEnv()
 	if v.Prefix == "" {
 		return errors.New("prefix should be set")
 	}
+
 	v.viper.SetEnvPrefix(v.Prefix)
 	if v.Path == "" {
 		return errors.New("path should be set")
 	}
+
 	v.viper.SetConfigFile(v.Path)
 	v.viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
+
 	return v.viper.ReadInConfig()
 }
 
@@ -62,6 +66,11 @@ func (v *ViperProvider) Get(name string) interface{} {
 	return v.viper.Get(name)
 }
 
+// Has checks if config section exists.
+func (v *ViperProvider) Has(name string) bool {
+	return v.viper.IsSet(name)
+}
+
 /////////// PRIVATE //////////////
 
 func parseFlag(flag string) (string, string, error) {