change config names to files for consistency

config/config.go

@@ -604,7 +604,7 @@ func (c *DNSSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
 
 // FileSDConfig is the configuration for file based discovery.
 type FileSDConfig struct {
-	Names           []string       `yaml:"names"`
+	Files           []string       `yaml:"files"`
 	RefreshInterval model.Duration `yaml:"refresh_interval,omitempty"`
 
 	// Catches all undefined fields and must be empty after parsing.
@@ -619,10 +619,10 @@ func (c *FileSDConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	if err != nil {
 		return err
 	}
-	if len(c.Names) == 0 {
+	if len(c.Files) == 0 {
 		return fmt.Errorf("file service discovery config must contain at least one path name")
 	}
-	for _, name := range c.Names {
+	for _, name := range c.Files {
 		if !patFileSDName.MatchString(name) {
 			return fmt.Errorf("path name %q is not valid for file discovery", name)
 		}

config/config_test.go

@@ -72,11 +72,11 @@ var expectedConf = &Config{
 
 			FileSDConfigs: []*FileSDConfig{
 				{
-					Names:           []string{"foo/*.slow.json", "foo/*.slow.yml", "single/file.yml"},
+					Files:           []string{"foo/*.slow.json", "foo/*.slow.yml", "single/file.yml"},
 					RefreshInterval: model.Duration(10 * time.Minute),
 				},
 				{
-					Names:           []string{"bar/*.yaml"},
+					Files:           []string{"bar/*.yaml"},
 					RefreshInterval: model.Duration(5 * time.Minute),
 				},
 			},

config/testdata/conf.good.yml

@@ -24,12 +24,12 @@ scrape_configs:
   # scheme defaults to 'http'.
 
   file_sd_configs:
-    - names:
+    - files:
       - foo/*.slow.json
       - foo/*.slow.yml
       - single/file.yml
       refresh_interval: 10m
-    - names:
+    - files:
       - bar/*.yaml
 
   target_groups:

retrieval/discovery/file.go

@@ -49,7 +49,7 @@ type FileDiscovery struct {
 // NewFileDiscovery returns a new file discovery for the given paths.
 func NewFileDiscovery(conf *config.FileSDConfig) *FileDiscovery {
 	return &FileDiscovery{
-		paths:    conf.Names,
+		paths:    conf.Files,
 		interval: time.Duration(conf.RefreshInterval),
 	}
 }

retrieval/discovery/file_test.go

@@ -37,7 +37,7 @@ func testFileSD(t *testing.T, ext string) {
 	// As interval refreshing is more of a fallback, we only want to test
 	// whether file watches work as expected.
 	var conf config.FileSDConfig
-	conf.Names = []string{"fixtures/_*" + ext}
+	conf.Files = []string{"fixtures/_*" + ext}
 	conf.RefreshInterval = model.Duration(1 * time.Hour)
 
 	var (