add definition config

provider/yaml/watch.go

@@ -3,16 +3,19 @@ package yaml
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"gitoa.ru/go-4devs/config"
 	"gopkg.in/yaml.v3"
 )
 
+const NameWatch = "yaml_watch"
+
 func NewWatch(name string, opts ...Option) *Watch {
 	f := Watch{
 		file: name,
 		prov: create(opts...),
+		name: NameWatch,
 	}
 
 	return &f
@@ -21,22 +24,23 @@ func NewWatch(name string, opts ...Option) *Watch {
 type Watch struct {
 	file string
 	prov *Provider
+	name string
 }
 
 func (p *Watch) Name() string {
-	return "yaml_watch"
+	return p.name
 }
 
-func (p *Watch) Read(ctx context.Context, key config.Key) (config.Variable, error) {
-	in, err := ioutil.ReadFile(p.file)
+func (p *Watch) Value(ctx context.Context, path ...string) (config.Value, error) {
+	in, err := os.ReadFile(p.file)
 	if err != nil {
-		return config.Variable{}, fmt.Errorf("yaml_file: read error: %w", err)
+		return nil, fmt.Errorf("yaml_file: read error: %w", err)
 	}
 
 	var yNode yaml.Node
 	if err = yaml.Unmarshal(in, &yNode); err != nil {
-		return config.Variable{}, fmt.Errorf("yaml_file: unmarshal error: %w", err)
+		return nil, fmt.Errorf("yaml_file: unmarshal error: %w", err)
 	}
 
-	return p.prov.With(&yNode).Read(ctx, key)
+	return p.prov.With(&yNode).Value(ctx, path...)
 }