update nlreturn lint

update definition go version
update drone ci
2024-01-26 11:32:43 +03:00 · 2024-01-26 11:14:38 +03:00 · 2024-01-25 23:59:40 +03:00 · 2024-01-25 23:58:31 +03:00 · 2024-01-25 23:57:24 +03:00 · 2024-01-25 23:34:35 +03:00
79 changed files with 1255 additions and 915 deletions
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,29 +1,165 @@
+---
 kind: pipeline
 name: default

+steps:
+- name: test 
+  image: golang
+  commands:
+  # - go test -parallel 10 -race ./... 
+  - go test ./... 
+
+- name: golangci-lint
+  image: golangci/golangci-lint:v1.55
+  commands:
+  - golangci-lint run
+
+---
+kind: pipeline
+name: json
+
+steps:
+- name: test 
+  image: golang
+  commands:
+  - cd provider/json
+  - go test ./... 
+
+- name: golangci-lint
+  image: golangci/golangci-lint:v1.55
+  commands:
+  - cd provider/json
+  - golangci-lint run
+
+---
+kind: pipeline
+name: yaml
+
+steps:
+- name: test 
+  image: golang
+  commands:
+  - cd provider/yaml
+  - go test ./... 
+
+- name: golangci-lint
+  image: golangci/golangci-lint:v1.55
+  commands:
+  - cd provider/yaml
+  - golangci-lint run
+
+---
+kind: pipeline
+type: docker
+name: ini
+
+steps:
+- name: test 
+  image: golang
+  failure: ignore # runtime/cgo: pthread_create failed: Operation not permitted
+  commands:
+  - cd provider/ini
+  - go test ./... 
+
+- name: golangci-lint
+  image: golangci/golangci-lint:v1.55
+  commands:
+  - cd provider/ini
+  - golangci-lint run
+
+
+---
+kind: pipeline
+type: docker
+name: toml
+
+steps:
+- name: test 
+  image: golang
+  commands:
+  - cd provider/toml
+  - go test ./... 
+
+- name: golangci-lint
+  image: golangci/golangci-lint:v1.55
+  commands:
+  - cd provider/toml
+  - golangci-lint run
+
+
+---
+kind: pipeline
+type: docker
+name: etcd
+
+environment:
+  FDEVS_CONFIG_ETCD_HOST: etcd:2379
+
+services:
+  - name: etcd
+    image: bitnami/etcd:3.5.11
+    environment:
+      ALLOW_NONE_AUTHENTICATION: yes
+
+steps:
+- name: test 
+  image: golang
+  failure: ignore # runtime/cgo: pthread_create failed: Operation not permitted
+  commands:
+  - cd provider/etcd
+  - go test ./... 
+
+- name: golangci-lint
+  image: golangci/golangci-lint:v1.55
+  commands:
+  - cd provider/etcd
+  - golangci-lint run
+
+---
+kind: pipeline
+type: docker
+name: vault
+
+environment:
+  VAULT_DEV_LISTEN_ADDRESS: http://vault:8200
+  VAULT_DEV_ROOT_TOKEN_ID: dev
+
 services:
  - name: vault
    image: vault:1.13.3
    environment:
      VAULT_DEV_ROOT_TOKEN_ID: dev
      VAULT_DEV_LISTEN_ADDRESS: 0.0.0.0:8200
-  - name: etcd
-    image: bitnami/etcd:3.5.11
-    environment:
-      ALLOW_NONE_AUTHENTICATION: yes

-environment:
-  VAULT_DEV_LISTEN_ADDRESS: http://vault:8200
-  VAULT_DEV_ROOT_TOKEN_ID: dev
-  FDEVS_CONFIG_ETCD_HOST: etcd:2379
+steps:
+- name: test 
+  image: golang
+  failure: ignore # runtime/cgo: pthread_create failed: Operation not permitted
+  commands:
+  - cd provider/vault
+  - go test ./... 
+
+- name: golangci-lint
+  image: golangci/golangci-lint:v1.55
+  commands:
+  - cd provider/vault
+  - golangci-lint run
+
+---
+kind: pipeline
+type: docker
+name: definition

 steps:
 - name: test 
  image: golang
  commands:
-  - go test -parallel 10 -race ./... 
+  - cd definition
+  - go test ./... 

 - name: golangci-lint
-  image: golangci/golangci-lint:v1.53
+  image: golangci/golangci-lint:v1.55
  commands:
+  - cd definition
  - golangci-lint run
+
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -24,6 +24,13 @@ linters-settings:
      locale: US  
    varnamelen:
      min-name-length: 2
+      ignore-decls:
+        - w io.Writer
+        - t testing.T
+        - e error
+        - i int
+        - b bytes.Buffer
+        - h Handle

 linters:
    enable-all: true
@@ -43,6 +50,8 @@ linters:
      - ifshort
      - nosnakecase

+      - ireturn # implement provider interface
+
 issues:
  # Excluding configuration per-path, per-linter, per-text and per-source
  exclude-rules:
--- a/client.go
+++ b/client.go
@@ -124,7 +124,6 @@ func (c *Client) Value(ctx context.Context, path ...string) (Value, error) {
 }

 func (c *Client) Watch(ctx context.Context, callback WatchCallback, path ...string) error {
-
 	for idx, prov := range c.providers {
 		provider, ok := prov.(WatchProvider)
 		if !ok {
--- a/client_example_test.go
+++ b/client_example_test.go
@@ -11,20 +11,11 @@ import (
 	"gitoa.ru/go-4devs/config"
 	"gitoa.ru/go-4devs/config/provider/arg"
 	"gitoa.ru/go-4devs/config/provider/env"
-	"gitoa.ru/go-4devs/config/provider/etcd"
-	"gitoa.ru/go-4devs/config/provider/json"
-	"gitoa.ru/go-4devs/config/provider/vault"
 	"gitoa.ru/go-4devs/config/provider/watcher"
-	"gitoa.ru/go-4devs/config/provider/yaml"
 	"gitoa.ru/go-4devs/config/test"
 )

 func ExampleClient_Value() {
-	const (
-		namespace = "fdevs"
-		appName   = "config"
-	)
-
 	ctx := context.Background()
 	_ = os.Setenv("FDEVS_CONFIG_LISTEN", "8080")
 	_ = os.Setenv("FDEVS_CONFIG_HOST", "localhost")
@@ -37,31 +28,11 @@ func ExampleClient_Value() {

 	os.Args = []string{"main.go", "--host=gitoa.ru"}

-	// configure etcd client
-	etcdClient, err := test.NewEtcd(ctx)
-	if err != nil {
-		log.Print(err)
-
-		return
-	}
-
-	// configure vault client
-	vaultClient, err := test.NewVault()
-	if err != nil {
-		log.Print(err)
-
-		return
-	}
-
 	// read json config
-	jsonConfig := test.ReadFile("config.json")

 	config, err := config.New(
 		arg.New(),
 		env.New(test.Namespace, test.AppName),
-		etcd.NewProvider(namespace, appName, etcdClient),
-		vault.NewSecretKV2(namespace, appName, vaultClient),
-		json.New(jsonConfig),
 	)
 	if err != nil {
 		log.Print(err)
@@ -69,13 +40,6 @@ func ExampleClient_Value() {
 		return
 	}

-	dsn, err := config.Value(ctx, "example", "dsn")
-	if err != nil {
-		log.Print("example:dsn", err)
-
-		return
-	}
-
 	port, err := config.Value(ctx, "listen")
 	if err != nil {
 		log.Print("listen", err)
@@ -83,92 +47,28 @@ func ExampleClient_Value() {
 		return
 	}

-	enabled, err := config.Value(ctx, "maintain")
-	if err != nil {
-		log.Print("maintain", err)
-
-		return
-	}
-
-	title, err := config.Value(ctx, "app.name.title")
-	if err != nil {
-		log.Print("app.name.title", err)
-
-		return
-	}
-
-	cfgValue, err := config.Value(ctx, "cfg")
-	if err != nil {
-		log.Print(err)
-
-		return
-	}
-
 	hostValue, err := config.Value(ctx, "host")
 	if err != nil {
-		log.Print(err)
+		log.Print("host ", err)

 		return
 	}

-	cfg := test.Config{}
-	_ = cfgValue.Unmarshal(&cfg)
-
-	fmt.Printf("dsn from vault: %s\n", dsn.String())
 	fmt.Printf("listen from env: %d\n", port.Int())
-	fmt.Printf("maintain from etcd: %v\n", enabled.Bool())
-	fmt.Printf("title from json: %v\n", title.String())
-	fmt.Printf("struct from json: %+v\n", cfg)
 	fmt.Printf("replace env host by args: %v\n", hostValue.String())
 	// Output:
-	// dsn from vault: pgsql://user@pass:127.0.0.1:5432
 	// listen from env: 8080
-	// maintain from etcd: true
-	// title from json: config title
-	// struct from json: {Duration:21m0s Enabled:true}
 	// replace env host by args: gitoa.ru
 }

 func ExampleClient_Watch() {
-	const (
-		namespace = "fdevs"
-		appName   = "config"
-	)
-
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()

-	// configure etcd client
-	etcdClient, err := test.NewEtcd(ctx)
-	if err != nil {
-		log.Print(err)
-
-		return
-	}
-
 	_ = os.Setenv("FDEVS_CONFIG_EXAMPLE_ENABLE", "true")

-	_, err = etcdClient.KV.Put(ctx, "fdevs/config/example_db_dsn", "pgsql://user@pass:127.0.0.1:5432")
-	if err != nil {
-		log.Print(err)
-
-		return
-	}
-
-	defer func() {
-		cancel()
-
-		if _, err = etcdClient.KV.Delete(context.Background(), "fdevs/config/example_db_dsn"); err != nil {
-			log.Print(err)
-
-			return
-		}
-	}()
-
 	watcher, err := config.New(
 		watcher.New(time.Microsecond, env.New(test.Namespace, test.AppName)),
-		watcher.New(time.Microsecond, yaml.NewWatch("test/fixture/config.yaml")),
-		etcd.NewProvider(namespace, appName, etcdClient),
 	)
 	if err != nil {
 		log.Print(err)
@@ -177,11 +77,13 @@ func ExampleClient_Watch() {
 	}

 	wg := sync.WaitGroup{}
-	wg.Add(2)
+	wg.Add(1)

-	err = watcher.Watch(ctx, func(ctx context.Context, oldVar, newVar config.Value) {
+	err = watcher.Watch(ctx, func(ctx context.Context, oldVar, newVar config.Value) error {
 		fmt.Println("update example_enable old: ", oldVar.Bool(), " new:", newVar.Bool())
 		wg.Done()
+
+		return nil
 	}, "example_enable")
 	if err != nil {
 		log.Print(err)
@@ -191,9 +93,11 @@ func ExampleClient_Watch() {

 	_ = os.Setenv("FDEVS_CONFIG_EXAMPLE_ENABLE", "false")

-	err = watcher.Watch(ctx, func(ctx context.Context, oldVar, newVar config.Value) {
+	err = watcher.Watch(ctx, func(ctx context.Context, oldVar, newVar config.Value) error {
 		fmt.Println("update example_db_dsn old: ", oldVar.String(), " new:", newVar.String())
 		wg.Done()
+
+		return nil
 	}, "example_db_dsn")
 	if err != nil {
 		log.Print(err)
@@ -201,25 +105,17 @@ func ExampleClient_Watch() {
 		return
 	}

-	time.AfterFunc(time.Second, func() {
-		if _, err := etcdClient.KV.Put(ctx, "fdevs/config/example_db_dsn", "mysql://localhost:5432"); err != nil {
-			log.Print(err)
-
-			return
-		}
-	})
-
 	wg.Wait()

 	// Output:
 	// update example_enable old:  true  new: false
-	// update example_db_dsn old:  pgsql://user@pass:127.0.0.1:5432  new: mysql://localhost:5432
 }

 func ExampleClient_Value_factory() {
 	ctx := context.Background()
 	_ = os.Setenv("FDEVS_CONFIG_LISTEN", "8080")
 	_ = os.Setenv("FDEVS_CONFIG_HOST", "localhost")
+	_ = os.Setenv("FDEVS_GOLANG_HOST", "go.dev")

 	args := os.Args

@@ -227,33 +123,19 @@ func ExampleClient_Value_factory() {
 		os.Args = args
 	}()

-	os.Args = []string{"main.go", "--config-json=config.json", "--config-yaml=test/fixture/config.yaml"}
+	os.Args = []string{"main.go", "--env=golang"}

 	config, err := config.New(
 		arg.New(),
+		config.Factory(func(ctx context.Context, cfg config.Provider) (config.Provider, error) {
+			val, err := cfg.Value(ctx, "env")
+			if err != nil {
+				return nil, fmt.Errorf("failed read config file:%w", err)
+			}
+
+			return env.New(test.Namespace, val.String()), nil
+		}),
 		env.New(test.Namespace, test.AppName),
-		config.Factory(func(ctx context.Context, cfg config.Provider) (config.Provider, error) {
-			val, err := cfg.Value(ctx, "config-json")
-			if err != nil {
-				return nil, fmt.Errorf("failed read config file:%w", err)
-			}
-			jsonConfig := test.ReadFile(val.String())
-
-			return json.New(jsonConfig), nil
-		}),
-		config.Factory(func(ctx context.Context, cfg config.Provider) (config.Provider, error) {
-			val, err := cfg.Value(ctx, "config-yaml")
-			if err != nil {
-				return nil, fmt.Errorf("failed read config file:%w", err)
-			}
-
-			provader, err := yaml.NewFile(val.String())
-			if err != nil {
-				return nil, fmt.Errorf("failed init by file %v:%w", val.String(), err)
-			}
-
-			return provader, nil
-		}),
 	)
 	if err != nil {
 		log.Print(err)
@@ -261,44 +143,32 @@ func ExampleClient_Value_factory() {
 		return
 	}

-	port, err := config.Value(ctx, "listen")
+	envName, err := config.Value(ctx, "env")
 	if err != nil {
-		log.Print(err)
+		log.Print("env ", err)

 		return
 	}

-	title, err := config.Value(ctx, "app", "name", "title")
+	host, err := config.Value(ctx, "host")
 	if err != nil {
-		log.Print(err)
+		log.Print("host ", err)

 		return
 	}

-	yamlTitle, err := config.Value(ctx, "app", "title")
+	listen, err := config.Value(ctx, "listen")
 	if err != nil {
-		log.Print(err)
+		log.Print("listen", err)

 		return
 	}

-	cfgValue, err := config.Value(ctx, "cfg")
-	if err != nil {
-		log.Print(err)
-
-		return
-	}
-
-	cfg := test.Config{}
-	_ = cfgValue.Unmarshal(&cfg)
-
-	fmt.Printf("listen from env: %d\n", port.Int())
-	fmt.Printf("title from json: %v\n", title.String())
-	fmt.Printf("yaml title: %v\n", yamlTitle.String())
-	fmt.Printf("struct from json: %+v\n", cfg)
+	fmt.Printf("envName from env: %s\n", envName.String())
+	fmt.Printf("host from env with app name golang: %s\n", host.String())
+	fmt.Printf("listen from env with default app name: %s\n", listen.String())
 	// Output:
-	// listen from env: 8080
-	// title from json: config title
-	// yaml title: yaml title
-	// struct from json: {Duration:21m0s Enabled:true}
+	// envName from env: golang
+	// host from env with app name golang: go.dev
+	// listen from env with default app name: 8080
 }
--- a/definition/generate/helpers.go
+++ b/definition/generate/helpers.go
@@ -9,6 +9,8 @@ import (
 var (
 	ErrNotFound     = errors.New("not found")
 	ErrAlreadyExist = errors.New("already exist")
+	ErrWrongType    = errors.New("wrong type")
+	ErrWrongFormat  = errors.New("wrong format")
 )

 func FuncName(in string) string {
--- a/definition/generate/imports.go
+++ b/definition/generate/imports.go
@@ -31,8 +31,9 @@ func (i Imports) Imports() []Import {
 func (i *Imports) Short(fullType string) (string, error) {
 	idx := strings.LastIndexByte(fullType, '.')
 	if idx == -1 {
-		return "", fmt.Errorf("unexpected")
+		return "", fmt.Errorf("%w: expect package.Type", ErrWrongFormat)
 	}
+
 	if alias, ok := i.data[fullType[:idx]]; ok {
 		return alias + fullType[idx:], nil
 	}
@@ -43,13 +44,12 @@ func (i *Imports) Short(fullType string) (string, error) {
 func (i *Imports) AddType(fullType string) (string, error) {
 	idx := strings.LastIndexByte(fullType, '.')
 	if idx == -1 {
-		return "", fmt.Errorf("unexpected")
+		return "", fmt.Errorf("%w: expect pckage.Type", ErrWrongFormat)
 	}

 	imp := i.Add(fullType[:idx])

 	return imp.Alias + fullType[idx:], nil
-
 }

 func (i *Imports) Adds(pkgs ...string) {
@@ -60,10 +60,11 @@ func (i *Imports) Adds(pkgs ...string) {

 func (i *Imports) Add(pkg string) Import {
 	alias := pkg
-	idx := strings.LastIndexByte(pkg, '/')
-	if idx != -1 {
+
+	if idx := strings.LastIndexByte(pkg, '/'); idx != -1 {
 		alias = pkg[idx+1:]
 	}
+
 	if al, ok := i.data[pkg]; ok {
 		return Import{Package: pkg, Alias: al}
 	}
@@ -73,6 +74,7 @@ func (i *Imports) Add(pkg string) Import {
 			alias += strconv.Itoa(len(i.data))
 		}
 	}
+
 	i.data[pkg] = alias

 	return Import{
--- a/definition/generate/run.go
+++ b/definition/generate/run.go
@@ -18,6 +18,7 @@ func Run(w io.Writer, pkgName string, defs definition.Definition, viewOpt ViewOp
 	gen.Imp.Adds("gitoa.ru/go-4devs/config", "fmt", "context")

 	var view bytes.Buffer
+
 	err := defs.View(func(o definition.Option) error {
 		return gen.Handle(&view, &gen, o)
 	})
--- a/definition/generate/template.go
+++ b/definition/generate/template.go
@@ -2,9 +2,10 @@ package generate

 import "text/template"

-var tpl = template.Must(template.New("tpls").Parse(baseTemplate))
-
-var baseTemplate = `// Code generated gitoa.ru/go-4devs/config DO NOT EDIT.
+//nolint:gochecknoglobals
+var (
+	tpl          = template.Must(template.New("tpls").Parse(baseTemplate))
+	baseTemplate = `// Code generated gitoa.ru/go-4devs/config DO NOT EDIT.
 package {{.Pkg}}

 import (
@@ -39,3 +40,4 @@ type {{.StructName}} struct {
 	log   func(context.Context, string, ...any)
 }
 `
+)
--- a/definition/generate/view.go
+++ b/definition/generate/view.go
@@ -8,6 +8,7 @@ import (
 	"gitoa.ru/go-4devs/config/definition"
 )

+//nolint:gochecknoglobals
 var handlers = sync.Map{}

 func Add(kind string, h Handle) error {
@@ -17,18 +18,20 @@ func Add(kind string, h Handle) error {
 	}

 	handlers.Store(kind, h)
+
 	return nil
 }

+//nolint:forcetypeassert
 func get(kind string) Handle {
-	h, ok := handlers.Load(kind)
+	handler, ok := handlers.Load(kind)
 	if !ok {
 		return func(w io.Writer, h Handler, o definition.Option) error {
 			return fmt.Errorf("handler by %v:%w", kind, ErrNotFound)
 		}
 	}

-	return h.(Handle)
+	return handler.(Handle)
 }

 func MustAdd(kind string, h Handle) {
@@ -41,7 +44,7 @@ type Handle func(io.Writer, Handler, definition.Option) error

 type Handler interface {
 	StructName() string
-	Handle(io.Writer, Handler, definition.Option) error
+	Handle(w io.Writer, handler Handler, opt definition.Option) error
 	Options() ViewOption
 	Keys() []string
 	AddType(fullName string) (string, error)
--- a/definition/go.mod
+++ b/definition/go.mod
@@ -0,0 +1,5 @@
+module gitoa.ru/go-4devs/config/definition
+
+go 1.21
+
+require github.com/iancoleman/strcase v0.3.0
--- a/definition/go.sum
+++ b/definition/go.sum
@@ -0,0 +1,2 @@
+github.com/iancoleman/strcase v0.3.0 h1:nTXanmYxhfFAMjZL34Ov6gkzEsSJZ5DbhxWjvSASxEI=
+github.com/iancoleman/strcase v0.3.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
--- a/definition/group/view.go
+++ b/definition/group/view.go
@@ -9,6 +9,7 @@ import (
 	"gitoa.ru/go-4devs/config/definition/generate"
 )

+//nolint:gochecknoinits
 func init() {
 	generate.MustAdd(Kind, handle)
 }
@@ -16,8 +17,9 @@ func init() {
 func handle(w io.Writer, data generate.Handler, option definition.Option) error {
 	group, ok := option.(Group)
 	if !ok {
-		return fmt.Errorf("uexepected type:%T", option)
+		return fmt.Errorf("%w:%T", generate.ErrWrongType, option)
 	}
+
 	viewData := View{
 		Group:      group,
 		ParentName: data.StructName(),
@@ -25,7 +27,6 @@ func handle(w io.Writer, data generate.Handler, option definition.Option) error
 	}

 	err := tpl.Execute(w, viewData)
-
 	if err != nil {
 		return fmt.Errorf("render group:%w", err)
 	}
@@ -54,8 +55,8 @@ func (c ChildData) StructName() string {
 	return c.structName
 }

-func (v ChildData) Keys() []string {
-	return v.keys
+func (c ChildData) Keys() []string {
+	return c.keys
 }

 type View struct {
@@ -72,9 +73,10 @@ func (v View) StructName() string {
 	return generate.FuncName(v.Prefix + v.Name + v.Suffix)
 }

-var tpl = template.Must(template.New("tpls").Parse(tplw))
-
-var tplw = `type {{.StructName}} struct {
+//nolint:gochecknoglobals
+var (
+	tpl           = template.Must(template.New("tpls").Parse(gpoupTemplate))
+	gpoupTemplate = `type {{.StructName}} struct {
    {{.ParentName}}
 }

@@ -83,3 +85,4 @@ func (i {{.ParentName}}) {{.FuncName}}() {{.StructName}} {
 	return {{.StructName}}{i}
 }
 `
+)
--- a/definition/option/view.go
+++ b/definition/option/view.go
@@ -19,8 +19,10 @@ import (
 //go:embed tpl/*
 var tpls embed.FS

+//nolint:gochecknoglobals
 var tpl = template.Must(template.New("tpls").ParseFS(tpls, "tpl/*.tmpl"))

+//nolint:gochecknoinits
 func init() {
 	generate.MustAdd(Kind, Handle(tpl.Lookup("option.tmpl")))
 }
@@ -47,7 +49,9 @@ func (v View) Context() bool {

 func (v View) FuncName() string {
 	if funcName, ok := v.Option.Params.Get(ViewParamFunctName); ok {
-		return funcName.(string)
+		name, _ := funcName.(string)
+
+		return name
 	}

 	return generate.FuncName(v.Name)
@@ -55,7 +59,9 @@ func (v View) FuncName() string {

 func (v View) Description() string {
 	if desc, ok := v.Option.Params.Get(ViewParamDescription); ok {
-		return desc.(string)
+		description, _ := desc.(string)
+
+		return description
 	}

 	return v.Option.Description
@@ -86,12 +92,14 @@ func (v View) ParentKeys() string {

 func (v View) Type() string {
 	slice := ""
+
 	if vtype, ok := v.Option.Type.(string); ok {
 		if strings.Contains(vtype, ".") {
 			if name, err := v.AddType(vtype); err == nil {
 				return slice + name
 			}
 		}
+
 		return vtype
 	}

@@ -118,7 +126,6 @@ func (v View) FuncType() string {
 }

 func (v View) Parse(valName string, value string, keys []string) string {
-
 	h := parser(v.Option.Type)

 	data, err := h(ParseData{
@@ -134,13 +141,14 @@ func (v View) Parse(valName string, value string, keys []string) string {
 	return data
 }

+//nolint:gochecknoglobals,unparam
 var parses = map[string]func(data ParseData) (string, error){
 	typesIntreface[0].Name(): func(data ParseData) (string, error) {
 		var b bytes.Buffer

 		err := tpl.ExecuteTemplate(&b, "unmarshal_text.tmpl", data)
 		if err != nil {
-			return "", err
+			return "", fmt.Errorf("execute unmarshal text:%w", err)
 		}

 		return b.String(), nil
@@ -150,7 +158,7 @@ var parses = map[string]func(data ParseData) (string, error){

 		err := tpl.ExecuteTemplate(&b, "unmarshal_json.tmpl", data)
 		if err != nil {
-			return "", err
+			return "", fmt.Errorf("execute unmarshal json:%w", err)
 		}

 		return b.String(), nil
@@ -175,24 +183,25 @@ var parses = map[string]func(data ParseData) (string, error){

 func internal(data ParseData) (string, error) {
 	var b bytes.Buffer
+
 	err := tpl.ExecuteTemplate(&b, "parse.tmpl", data)
 	if err != nil {
-		return "", err
+		return "", fmt.Errorf("execute parse.tmpl:%w", err)
 	}

 	return b.String(), nil
 }

-var (
-	typesIntreface = [...]reflect.Type{
-		reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem(),
-		reflect.TypeOf((*json.Unmarshaler)(nil)).Elem(),
-	}
-)
+//nolint:gochecknoglobals
+var typesIntreface = [...]reflect.Type{
+	reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem(),
+	reflect.TypeOf((*json.Unmarshaler)(nil)).Elem(),
+}

 func parser(data any) func(ParseData) (string, error) {
 	vtype := reflect.TypeOf(data)
 	name := vtype.Name()
+
 	if v, ok := data.(string); ok {
 		name = v
 	}
--- a/definition/proto/proto.go
+++ b/definition/proto/proto.go
@@ -6,7 +6,7 @@ import (

 const Kind = "proto"

-func New(name, desc string, opt definition.Option, opts ...func(*Proto)) Proto {
+func New(name, desc string, opt definition.Option) Proto {
 	pr := Proto{
 		Name:        name,
 		Description: desc,
--- a/definition/proto/view.go
+++ b/definition/proto/view.go
@@ -11,6 +11,7 @@ import (
 	"gitoa.ru/go-4devs/config/definition/option"
 )

+//nolint:gochecknoinits
 func init() {
 	generate.MustAdd(Kind, handle)
 }
@@ -18,8 +19,9 @@ func init() {
 func handle(w io.Writer, data generate.Handler, opt definition.Option) error {
 	proto, ok := opt.(Proto)
 	if !ok {
-		return fmt.Errorf("uexepected type:%T", opt)
+		return fmt.Errorf("%w:%T", generate.ErrWrongType, opt)
 	}
+
 	if viewOpt, ok := proto.Option.(option.Option); ok {
 		viewOpt = viewOpt.WithParams(
 			definition.Param{
@@ -35,12 +37,13 @@ func handle(w io.Writer, data generate.Handler, opt definition.Option) error {
 		return option.Handle(tpl)(w, data, viewOpt)
 	}

-	return fmt.Errorf("not support option type")
+	return fmt.Errorf("%w:%T", generate.ErrWrongType, opt)
 }

-var tpl = template.Must(template.New("tpls").Funcs(template.FuncMap{"join": strings.Join}).Parse(templateOption))
-
-var templateOption = `// read{{.FuncName}} {{.Description}}.
+//nolint:gochecknoglobals
+var (
+	tpl            = template.Must(template.New("tpls").Funcs(template.FuncMap{"join": strings.Join}).Parse(templateOption))
+	templateOption = `// read{{.FuncName}} {{.Description}}.
 func (i {{.StructName}}) read{{.FuncName}}(ctx context.Context, key string) (v {{.Type}},e error) {
 	val, err := i.Value(ctx, {{ .ParentKeys }} key, "{{.Name}}")
 	if err != nil {
@@ -74,3 +77,4 @@ func (i {{.StructName}}) {{.FuncName}}({{if .Context}} ctx context.Context, {{en
 	return val
 }
 `
+)
--- a/error.go
+++ b/error.go
@@ -7,4 +7,5 @@ var (
 	ErrInvalidValue  = errors.New("invalid value")
 	ErrUnknowType    = errors.New("unknow type")
 	ErrInitFactory   = errors.New("init factory")
+	ErrStopWatch     = errors.New("stop watch")
 )
--- a/example/definition/defenition.go
+++ b/example/definition/defenition.go
@@ -0,0 +1,32 @@
+package definition
+
+import (
+	"context"
+	"time"
+
+	"github.com/sirupsen/logrus"
+	"gitoa.ru/go-4devs/config/definition"
+	"gitoa.ru/go-4devs/config/definition/group"
+	"gitoa.ru/go-4devs/config/definition/option"
+	"gitoa.ru/go-4devs/config/definition/proto"
+	"gitoa.ru/go-4devs/log/level"
+)
+
+func Configure(ctx context.Context, def *definition.Definition) error {
+	def.Add(
+		option.String("test", "test description", option.Default("defult")),
+		option.Int("int", "test int description", option.Default(2)),
+		group.New("group", "group description", option.String("test", "test description")),
+		option.Time("start", "start at", option.Default(time.Now())),
+		option.Duration("timer", "timer", option.Default(time.Hour)),
+		group.New("log", "logger",
+			option.New("level", "log level", level.Level(0), option.Default(level.Debug)),
+			option.New("logrus", "logrus level", logrus.Level(0), option.Default(logrus.DebugLevel)),
+			proto.New("sevice", "cutom service log", option.New("level", "log level", level.Level(0), option.Default(level.Debug))),
+		),
+		option.New("erors", "skiped errors", []string{}),
+		proto.New("proto_errors", "proto errors", option.New("erors", "skiped errors", []string{})),
+	)
+
+	return nil
+}
--- a/example/definition/defenition_config_bootstrap.go
+++ b/example/definition/defenition_config_bootstrap.go
@@ -0,0 +1,61 @@
+//go:build ignore
+// +build ignore
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"go/format"
+	"os"
+
+	"gitoa.ru/go-4devs/config/definition"
+	"gitoa.ru/go-4devs/config/definition/generate"
+	"gitoa.ru/go-4devs/config/eample"
+)
+
+func main() {
+	if err := run(); err != nil {
+		fmt.Fprintln(os.Stdout, err)
+		os.Exit(1)
+	}
+}
+
+func run() error {
+	ctx := context.Background()
+	def := definition.New()
+	if err := eample.Configure(ctx, &def); err != nil {
+		return err
+	}
+
+	f, err := os.Create("eample/defenition_input.go")
+	if err != nil {
+		return err
+	}
+
+	gerr := generate.Run(f, "eample", def, generate.ViewOption{
+		Struct: "Configure",
+		Suffix: "Input",
+		Errors: generate.ViewErrors{
+			Default: []string{
+				"gitoa.ru/go-4devs/config.ErrVariableNotFound",
+			},
+		},
+	})
+
+	if gerr != nil {
+		return gerr
+	}
+
+	in, err := os.ReadFile(f.Name())
+	if err != nil {
+		return err
+	}
+
+	out, err := format.Source(in)
+	if err != nil {
+		return err
+	}
+
+	return os.WriteFile(f.Name(), out, 0644)
+}
--- a/example/go.mod
+++ b/example/go.mod
@@ -0,0 +1,14 @@
+module gitoa.ru/go-4devs/config/example
+
+go 1.21.5
+
+require (
+	github.com/sirupsen/logrus v1.9.3
+	gitoa.ru/go-4devs/config/definition v0.0.0-20240125203435-5586adc4e3d8
+	gitoa.ru/go-4devs/log v0.5.3
+)
+
+require (
+	github.com/iancoleman/strcase v0.3.0 // indirect
+	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
+)
--- a/example/go.sum
+++ b/example/go.sum
@@ -0,0 +1,21 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/iancoleman/strcase v0.3.0 h1:nTXanmYxhfFAMjZL34Ov6gkzEsSJZ5DbhxWjvSASxEI=
+github.com/iancoleman/strcase v0.3.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
+github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+gitoa.ru/go-4devs/config/definition v0.0.0-20240125203435-5586adc4e3d8 h1:PZ4SE0gq719+lXorGaRPfGSSO2JpfxTWCWOSsna+7Yw=
+gitoa.ru/go-4devs/config/definition v0.0.0-20240125203435-5586adc4e3d8/go.mod h1:jV6jF0PsK4ffNC8hrBxMx33PVJtnW5O6S/sGNJDqrd4=
+gitoa.ru/go-4devs/log v0.5.3 h1:o/4DcypxbgQ9GEfUWrZ3FVrVfttuJgLs2ptMVPj47sE=
+gitoa.ru/go-4devs/log v0.5.3/go.mod h1:tREtjEH2cTHl0p3uCVcH9g5tlqtsVNI/tDQVfq53Ty4=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 h1:0A+M6Uqn+Eje4kHMK80dtF3JCXC4ykBgQG4Fe06QRhQ=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/go.mod
+++ b/go.mod
@@ -1,52 +1,3 @@
 module gitoa.ru/go-4devs/config

-go 1.18
-
-require (
-	github.com/hashicorp/vault/api v1.1.0
-	github.com/iancoleman/strcase v0.3.0
-	github.com/pelletier/go-toml v1.9.0
-	github.com/stretchr/testify v1.7.0
-	github.com/tidwall/gjson v1.7.5
-	go.etcd.io/etcd/api/v3 v3.5.0-alpha.0
-	go.etcd.io/etcd/client/v3 v3.5.0-alpha.0
-	gopkg.in/ini.v1 v1.62.0
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
-)
-
-require (
-	github.com/coreos/go-semver v0.3.0 // indirect
-	github.com/coreos/go-systemd/v22 v22.1.0 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/gogo/protobuf v1.3.1 // indirect
-	github.com/golang/protobuf v1.3.5 // indirect
-	github.com/golang/snappy v0.0.1 // indirect
-	github.com/hashicorp/errwrap v1.0.0 // indirect
-	github.com/hashicorp/go-cleanhttp v0.5.1 // indirect
-	github.com/hashicorp/go-multierror v1.1.0 // indirect
-	github.com/hashicorp/go-retryablehttp v0.6.6 // indirect
-	github.com/hashicorp/go-rootcerts v1.0.2 // indirect
-	github.com/hashicorp/go-sockaddr v1.0.2 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
-	github.com/hashicorp/vault/sdk v0.1.14-0.20200519221838-e0cfd64bc267 // indirect
-	github.com/mitchellh/go-homedir v1.1.0 // indirect
-	github.com/mitchellh/mapstructure v1.3.2 // indirect
-	github.com/pierrec/lz4 v2.0.5+incompatible // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/ryanuber/go-glob v1.0.0 // indirect
-	github.com/smartystreets/goconvey v1.6.4 // indirect
-	github.com/tidwall/match v1.0.3 // indirect
-	github.com/tidwall/pretty v1.1.0 // indirect
-	go.etcd.io/etcd/pkg/v3 v3.5.0-alpha.0 // indirect
-	go.uber.org/atomic v1.6.0 // indirect
-	go.uber.org/multierr v1.5.0 // indirect
-	go.uber.org/zap v1.16.0 // indirect
-	golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529 // indirect
-	golang.org/x/net v0.0.0-20200602114024-627f9648deb9 // indirect
-	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
-	golang.org/x/text v0.3.0 // indirect
-	golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 // indirect
-	google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884 // indirect
-	google.golang.org/grpc v1.32.0 // indirect
-	gopkg.in/square/go-jose.v2 v2.5.1 // indirect
-)
+go 1.21
--- a/go.sum
+++ b/go.sum
@@ -1,320 +0,0 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
-github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
-github.com/armon/go-metrics v0.3.0/go.mod h1:zXjbSimjXTd7vOpY8B0/2LpvNvDoXBuplAD+gJD3GYs=
-github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/aws/aws-sdk-go v1.25.37/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
-github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
-github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
-github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd/v22 v22.1.0 h1:kq/SbG2BCKLkDKkjQf5OWwKWUKj1lgs3lFI4PxnR5lg=
-github.com/coreos/go-systemd/v22 v22.1.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
-github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
-github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
-github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
-github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
-github.com/go-asn1-ber/asn1-ber v1.3.1/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0=
-github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-ldap/ldap/v3 v3.1.3/go.mod h1:3rbOH3jRS2u6jg2rJnKAMLE/xQyCKIveG2Sa/Cohzb8=
-github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
-github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
-github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
-github.com/go-test/deep v1.0.2-0.20181118220953-042da051cf31/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
-github.com/go-test/deep v1.0.2 h1:onZX1rnHT3Wv6cqNgYyFOOlgVKJrksuCMCRvJStbMYw=
-github.com/go-test/deep v1.0.2/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
-github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
-github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
-github.com/gogo/protobuf v1.3.1 h1:DqDEcV5aeaTmdFBePNpYsp3FlcVH/2ISVVM9Qf8PSls=
-github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
-github.com/golang/protobuf v1.3.5 h1:F768QJ1E9tib+q5Sc8MkdJi1RxLTbRcTf8LJV56aRls=
-github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
-github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
-github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
-github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
-github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
-github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
-github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
-github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
-github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
-github.com/grpc-ecosystem/grpc-gateway v1.14.6/go.mod h1:zdiPV4Yse/1gnckTHtghG4GkDEdKCRJduHpTxT3/jcw=
-github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA=
-github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
-github.com/hashicorp/go-cleanhttp v0.5.0/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
-github.com/hashicorp/go-cleanhttp v0.5.1 h1:dH3aiDG9Jvb5r5+bYHsikaOUIpcM0xvgMXVoDkXMzJM=
-github.com/hashicorp/go-cleanhttp v0.5.1/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
-github.com/hashicorp/go-hclog v0.0.0-20180709165350-ff2cf002a8dd/go.mod h1:9bjs9uLqI8l75knNv3lV1kA55veR+WUPSiKIWcQHudI=
-github.com/hashicorp/go-hclog v0.9.2/go.mod h1:5CU+agLiy3J7N7QjHK5d05KxGsuXiQLrjA0H7acj2lQ=
-github.com/hashicorp/go-hclog v0.12.0 h1:d4QkX8FRTYaKaCZBoXYY8zJX2BXjWxurN/GA2tkrmZM=
-github.com/hashicorp/go-hclog v0.12.0/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ=
-github.com/hashicorp/go-immutable-radix v1.0.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
-github.com/hashicorp/go-kms-wrapping/entropy v0.1.0/go.mod h1:d1g9WGtAunDNpek8jUIEJnBlbgKS1N2Q61QkHiZyR1g=
-github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk=
-github.com/hashicorp/go-multierror v1.1.0 h1:B9UzwGQJehnUY1yNrnwREHc3fGbC2xefo8g4TbElacI=
-github.com/hashicorp/go-multierror v1.1.0/go.mod h1:spPvp8C1qA32ftKqdAHm4hHTbPw+vmowP0z+KUhOZdA=
-github.com/hashicorp/go-plugin v1.0.1/go.mod h1:++UyYGoz3o5w9ZzAdZxtQKrWWP+iqPBn3cQptSMzBuY=
-github.com/hashicorp/go-retryablehttp v0.5.3/go.mod h1:9B5zBasrRhHXnJnui7y6sL7es7NDiJgTc6Er0maI1Xs=
-github.com/hashicorp/go-retryablehttp v0.6.6 h1:HJunrbHTDDbBb/ay4kxa1n+dLmttUlnP3V9oNE4hmsM=
-github.com/hashicorp/go-retryablehttp v0.6.6/go.mod h1:vAew36LZh98gCBJNLH42IQ1ER/9wtLZZ8meHqQvEYWY=
-github.com/hashicorp/go-rootcerts v1.0.2 h1:jzhAVGtqPKbwpyCPELlgNWhE1znq+qwJtW5Oi2viEzc=
-github.com/hashicorp/go-rootcerts v1.0.2/go.mod h1:pqUvnprVnM5bf7AOirdbb01K4ccR319Vf4pU3K5EGc8=
-github.com/hashicorp/go-sockaddr v1.0.2 h1:ztczhD1jLxIRjVejw8gFomI1BQZOe2WoVOu0SyteCQc=
-github.com/hashicorp/go-sockaddr v1.0.2/go.mod h1:rB4wwRAUzs07qva3c5SdrY/NEtAUjGlgmH/UkBUC97A=
-github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
-github.com/hashicorp/go-uuid v1.0.2/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
-github.com/hashicorp/go-version v1.1.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09ZGVZPK5anwXA=
-github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
-github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
-github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
-github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
-github.com/hashicorp/vault/api v1.1.0 h1:QcxC7FuqEl0sZaIjcXB/kNEeBa0DH5z57qbWBvZwLC4=
-github.com/hashicorp/vault/api v1.1.0/go.mod h1:R3Umvhlxi2TN7Ex2hzOowyeNb+SfbVWI973N+ctaFMk=
-github.com/hashicorp/vault/sdk v0.1.14-0.20200519221838-e0cfd64bc267 h1:e1ok06zGrWJW91rzRroyl5nRNqraaBe4d5hiKcVZuHM=
-github.com/hashicorp/vault/sdk v0.1.14-0.20200519221838-e0cfd64bc267/go.mod h1:WX57W2PwkrOPQ6rVQk+dy5/htHIaB4aBM70EwKThu10=
-github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb/go.mod h1:+NfK9FKeTrX5uv1uIXGdwYDTeHna2qgaIlx54MXqjAM=
-github.com/iancoleman/strcase v0.3.0 h1:nTXanmYxhfFAMjZL34Ov6gkzEsSJZ5DbhxWjvSASxEI=
-github.com/iancoleman/strcase v0.3.0/go.mod h1:iwCmte+B7n89clKwxIoIXy/HfoL7AsD47ZCWhYzw7ho=
-github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
-github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
-github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
-github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
-github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
-github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
-github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
-github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
-github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
-github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
-github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
-github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
-github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
-github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
-github.com/mattn/go-colorable v0.1.4 h1:snbPLB8fVfU9iwbbo30TPtbLRzwWu6aJS6Xh4eaaviA=
-github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
-github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
-github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
-github.com/mattn/go-isatty v0.0.10 h1:qxFzApOv4WsAL965uUPIsXzAKCZxN2p9UqdhFS4ZW10=
-github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
-github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
-github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
-github.com/mitchellh/copystructure v1.0.0/go.mod h1:SNtv71yrdKgLRyLFxmLdkAbkKEFWgYaq1OVrnRcwhnw=
-github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
-github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
-github.com/mitchellh/go-testing-interface v0.0.0-20171004221916-a61a99592b77/go.mod h1:kRemZodwjscx+RGhAo8eIhFbs2+BFgRtFPeD/KE+zxI=
-github.com/mitchellh/go-testing-interface v1.0.0/go.mod h1:kRemZodwjscx+RGhAo8eIhFbs2+BFgRtFPeD/KE+zxI=
-github.com/mitchellh/go-wordwrap v1.0.0/go.mod h1:ZXFpozHsX6DPmq2I0TCekCxypsnAUbP2oI0UX1GXzOo=
-github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/mitchellh/mapstructure v1.3.2 h1:mRS76wmkOn3KkKAyXDu42V+6ebnXWIztFSYGN7GeoRg=
-github.com/mitchellh/mapstructure v1.3.2/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
-github.com/mitchellh/reflectwalk v1.0.0/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
-github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
-github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
-github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
-github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
-github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
-github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
-github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
-github.com/pelletier/go-toml v1.9.0 h1:NOd0BRdOKpPf0SxkL3HxSQOG7rNh+4kl6PHcBPFs7Q0=
-github.com/pelletier/go-toml v1.9.0/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
-github.com/pierrec/lz4 v2.0.5+incompatible h1:2xWsjqPFWcplujydGg4WmhC/6fZqK42wMM8aXeqhl0I=
-github.com/pierrec/lz4 v2.0.5+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
-github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
-github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
-github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
-github.com/prometheus/client_golang v0.9.2/go.mod h1:OsXs2jCmiKlQ1lTBmv21f2mNfw4xf/QclQDMrYNZzcM=
-github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
-github.com/prometheus/client_golang v1.5.1/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
-github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
-github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
-github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
-github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
-github.com/prometheus/common v0.0.0-20181126121408-4724e9255275/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
-github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
-github.com/prometheus/common v0.9.1/go.mod h1:yhUN8i9wzaXS3w1O07YhxHEBxD+W35wd8bs7vj7HSQ4=
-github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
-github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
-github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
-github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A=
-github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
-github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
-github.com/ryanuber/columnize v2.1.0+incompatible/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
-github.com/ryanuber/go-glob v1.0.0 h1:iQh3xXAumdQ+4Ufa5b25cRpC5TYKlno6hsv6Cb3pkBk=
-github.com/ryanuber/go-glob v1.0.0/go.mod h1:807d1WSdnB0XRJzKNil9Om6lcp/3a0v4qIHxIXzX/Yc=
-github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
-github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
-github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
-github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
-github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
-github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
-github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
-github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/tidwall/gjson v1.7.5 h1:zmAN/xmX7OtpAkv4Ovfso60r/BiCi5IErCDYGNJu+uc=
-github.com/tidwall/gjson v1.7.5/go.mod h1:5/xDoumyyDNerp2U36lyolv46b3uF/9Bu6OfyQ9GImk=
-github.com/tidwall/match v1.0.3 h1:FQUVvBImDutD8wJLN6c5eMzWtjgONK9MwIBCOrUJKeE=
-github.com/tidwall/match v1.0.3/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
-github.com/tidwall/pretty v1.1.0 h1:K3hMW5epkdAVwibsQEfR/7Zj0Qgt4DxtNumTq/VloO8=
-github.com/tidwall/pretty v1.1.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
-github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926/go.mod h1:9ESjWnEqriFuLhtthL60Sar/7RFoluCcXsuvEwTV5KM=
-go.etcd.io/etcd/api/v3 v3.5.0-alpha.0 h1:+e5nrluATIy3GP53znpkHMFzPTHGYyzvJGFCbuI6ZLc=
-go.etcd.io/etcd/api/v3 v3.5.0-alpha.0/go.mod h1:mPcW6aZJukV6Aa81LSKpBjQXTWlXB5r74ymPoSWa3Sw=
-go.etcd.io/etcd/client/v3 v3.5.0-alpha.0 h1:dr1EOILak2pu4Nf5XbRIOCNIBjcz6UmkQd7hHRXwxaM=
-go.etcd.io/etcd/client/v3 v3.5.0-alpha.0/go.mod h1:wKt7jgDgf/OfKiYmCq5WFGxOFAkVMLxiiXgLDFhECr8=
-go.etcd.io/etcd/pkg/v3 v3.5.0-alpha.0 h1:3yLUEC0nFCxw/RArImOyRUI4OAFbg4PFpBbAhSNzKNY=
-go.etcd.io/etcd/pkg/v3 v3.5.0-alpha.0/go.mod h1:tV31atvwzcybuqejDoY3oaNRTtlD2l/Ot78Pc9w7DMY=
-go.uber.org/atomic v1.6.0 h1:Ezj3JGmsOnG1MoRWQkPBsKLe9DwWD9QeXzTRzzldNVk=
-go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
-go.uber.org/multierr v1.5.0 h1:KCa4XfM8CWFCpxXRGok+Q0SS/0XBhMDbHHGABQLvD2A=
-go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
-go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee h1:0mgffUl7nfd+FpvXMVz4IDEaUSmT1ysygQC7qYo7sG4=
-go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
-go.uber.org/zap v1.16.0 h1:uFRZXykJGK9lLY4HtgSw44DnIcAM+kRBP7x5m+NpAOM=
-go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ=
-golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20190418165655-df01cb2cc480/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
-golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529 h1:iMGN4xG0cnqj3t+zOM8wUB0BiPKHEwSxEZCvzcbZuvk=
-golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
-golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
-golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
-golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/lint v0.0.0-20190930215403-16217165b5de h1:5hukYrvBGR8/eNkX5mdUezrA6JiaEZDtJb9Ei+1LlBs=
-golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
-golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20191002035440-2ec189313ef0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200602114024-627f9648deb9 h1:pNX+40auqi2JqRfOP1akLGtYcn15TUbkhwuCO3foqqM=
-golang.org/x/net v0.0.0-20200602114024-627f9648deb9/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
-golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
-golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
-golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190129075346-302c3dd5f1cc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201009025420-dfb3f7c4e634/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 h1:0A+M6Uqn+Eje4kHMK80dtF3JCXC4ykBgQG4Fe06QRhQ=
-golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 h1:NusfzzA6yGQ+ua51ck7E3omNUX/JuqbFSaRGqU8CcLI=
-golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
-golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
-golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
-golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5 h1:hKsoRgsbwY1NafxrwTs+k64bikrLBkAgPir1TNCj3Zs=
-golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
-google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
-google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
-google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884 h1:fiNLklpBwWK1mth30Hlwk+fcdBmIALlgF5iy77O37Ig=
-google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
-google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.22.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
-google.golang.org/grpc v1.32.0 h1:zWTV+LMdc3kaiJMSTOFz2UgSBgx8RNQoTGiZu3fR9S0=
-google.golang.org/grpc v1.32.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
-gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/square/go-jose.v2 v2.5.1 h1:7odma5RETjNHWJnR32wx8t+Io4djHE1PqxCFx3iiZ2w=
-gopkg.in/square/go-jose.v2 v2.5.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
-gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
-honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
--- a/key.go
+++ b/key.go
@@ -1,15 +0,0 @@
-package config
-
-import "context"
-
-type Key struct {
-	Name      string
-	AppName   string
-	Namespace string
-}
-
-type KeyFactory func(ctx context.Context, key Key) string
-
-func (k Key) String() string {
-	return k.Namespace + "_" + k.AppName + "_" + k.Name
-}
--- a/key/helpers.go
+++ b/key/helpers.go
@@ -1,32 +0,0 @@
-package key
-
-import (
-	"context"
-	"strings"
-
-	"gitoa.ru/go-4devs/config"
-)
-
-func LastIndex(sep string, factory config.KeyFactory) func(ctx context.Context, key config.Key) (string, string) {
-	return func(ctx context.Context, key config.Key) (string, string) {
-		name := factory(ctx, key)
-
-		idx := strings.LastIndex(name, sep)
-		if idx == -1 {
-			return name, ""
-		}
-
-		return name[0:idx], name[idx+len(sep):]
-	}
-}
-
-func LastIndexField(sep, def string, factory config.KeyFactory) func(ctx context.Context, key config.Key) (string, string) {
-	return func(ctx context.Context, key config.Key) (string, string) {
-		p, k := LastIndex(sep, factory)(ctx, key)
-		if k == "" {
-			return p, def
-		}
-
-		return p, k
-	}
-}
--- a/key/helpers_test.go
+++ b/key/helpers_test.go
@@ -1,64 +0,0 @@
-package key_test
-
-import (
-	"context"
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"gitoa.ru/go-4devs/config"
-	"gitoa.ru/go-4devs/config/key"
-)
-
-func TestLastIndex(t *testing.T) {
-	t.Parallel()
-
-	ctx := context.Background()
-
-	cases := map[string]struct {
-		sep   string
-		path  string
-		field string
-	}{
-		"/secret/with/field/name": {
-			sep:   "/",
-			path:  "/secret/with/field",
-			field: "name",
-		},
-		"/secret/database:username": {
-			sep:   ":",
-			path:  "/secret/database",
-			field: "username",
-		},
-		"database:username": {
-			sep:   ":",
-			path:  "database",
-			field: "username",
-		},
-		"/secret/database-dsn": {
-			sep:   ":",
-			path:  "/secret/database-dsn",
-			field: "",
-		},
-		"/secret/database--dsn": {
-			sep:   "--",
-			path:  "/secret/database",
-			field: "dsn",
-		},
-		"/secret/database:dsn": {
-			sep:   "--",
-			path:  "/secret/database:dsn",
-			field: "",
-		},
-	}
-
-	for path, data := range cases {
-		k := config.Key{
-			Name: path,
-		}
-
-		fn := key.LastIndex(data.sep, key.Name)
-		ns, field := fn(ctx, k)
-		assert.Equal(t, data.field, field, k)
-		assert.Equal(t, data.path, ns, k)
-	}
-}
--- a/key/key.go
+++ b/key/key.go
@@ -1,46 +0,0 @@
-package key
-
-import (
-	"context"
-	"strings"
-
-	"gitoa.ru/go-4devs/config"
-)
-
-func NsAppName(sep string) config.KeyFactory {
-	return func(_ context.Context, key config.Key) string {
-		return strings.Join([]string{key.Namespace, key.AppName, key.Name}, sep)
-	}
-}
-
-func AppName(sep string) config.KeyFactory {
-	return func(_ context.Context, key config.Key) string {
-		return strings.Join([]string{key.AppName, key.Name}, sep)
-	}
-}
-
-func PrefixName(prefix string, factory config.KeyFactory) config.KeyFactory {
-	return func(ctx context.Context, key config.Key) string {
-		return prefix + factory(ctx, key)
-	}
-}
-
-func Name(_ context.Context, key config.Key) string {
-	return key.Name
-}
-
-func AliasName(name string, alias string, def config.KeyFactory) config.KeyFactory {
-	return func(ctx context.Context, key config.Key) string {
-		if name == key.Name {
-			return alias
-		}
-
-		return def(ctx, key)
-	}
-}
-
-func ReplaceAll(oldVal, newVal string, parent config.KeyFactory) config.KeyFactory {
-	return func(ctx context.Context, key config.Key) string {
-		return strings.ReplaceAll(parent(ctx, key), oldVal, newVal)
-	}
-}
--- a/provider.go
+++ b/provider.go
@@ -11,7 +11,7 @@ type NamedProvider interface {
 	Provider
 }

-type WatchCallback func(ctx context.Context, oldVar, newVar Value)
+type WatchCallback func(ctx context.Context, oldVar, newVar Value) error

 type WatchProvider interface {
 	Watch(ctx context.Context, callback WatchCallback, path ...string) error
--- a/provider/arg/provider.go
+++ b/provider/arg/provider.go
@@ -2,13 +2,13 @@ package arg

 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"os"
 	"strings"

 	"gitoa.ru/go-4devs/config"
 	"gitoa.ru/go-4devs/config/value"
-	"gopkg.in/yaml.v3"
 )

 const Name = "arg"
@@ -106,7 +106,7 @@ func (p *Provider) Name() string {
 	return p.name
 }

-func (p *Provider) Value(ctx context.Context, path ...string) (config.Value, error) {
+func (p *Provider) Value(_ context.Context, path ...string) (config.Value, error) {
 	if err := p.parse(); err != nil {
 		return nil, err
 	}
@@ -117,13 +117,18 @@ func (p *Provider) Value(ctx context.Context, path ...string) (config.Value, err
 		case len(val) == 1:
 			return value.JString(val[0]), nil
 		default:
-			var yNode yaml.Node
-
-			if err := yaml.Unmarshal([]byte("["+strings.Join(val, ",")+"]"), &yNode); err != nil {
-				return nil, fmt.Errorf("arg: failed unmarshal yaml:%w", err)
+			data, jerr := json.Marshal(val)
+			if jerr != nil {
+				return nil, fmt.Errorf("failed load data:%w", jerr)
 			}

-			return value.Decode(yNode.Decode), nil
+			return value.Decode(func(v interface{}) error {
+				if err := json.Unmarshal(data, v); err != nil {
+					return fmt.Errorf("unmarshal:%w", err)
+				}
+
+				return nil
+			}), nil
 		}
 	}

--- a/provider/arg/provider_test.go
+++ b/provider/arg/provider_test.go
@@ -1,7 +1,9 @@
 package arg_test

 import (
+	"fmt"
 	"os"
+	"strings"
 	"testing"
 	"time"

@@ -35,7 +37,7 @@ func TestProvider(t *testing.T) {
 		test.NewRead("config.hcl", "config"),
 		test.NewRead(test.Time("2010-01-02T15:04:05Z"), "start-at"),
 		test.NewReadUnmarshal(&[]string{"http://4devs.io", "https://4devs.io"}, &[]string{}, "url"),
-		test.NewReadUnmarshal(&[]time.Duration{time.Minute, time.Hour}, &[]time.Duration{}, "timeout"),
+		test.NewReadUnmarshal(&[]Duration{{time.Minute}, {time.Hour}}, &[]Duration{}, "timeout"),
 		test.NewReadUnmarshal(&[]time.Time{
 			test.Time("2009-01-02T15:04:05Z"),
 			test.Time("2008-01-02T15:04:05+03:00"),
@@ -46,3 +48,22 @@ func TestProvider(t *testing.T) {

 	test.Run(t, prov, read)
 }
+
+type Duration struct {
+	time.Duration
+}
+
+func (d *Duration) UnmarshalJSON(in []byte) error {
+	o, err := time.ParseDuration(strings.Trim(string(in), `"`))
+	if err != nil {
+		return fmt.Errorf("parse:%w", err)
+	}
+
+	d.Duration = o
+
+	return nil
+}
+
+func (d *Duration) MarshalJSON() ([]byte, error) {
+	return []byte(fmt.Sprintf("%q", d)), nil
+}
--- a/provider/env/provider.go
+++ b/provider/env/provider.go
@@ -45,7 +45,7 @@ func (p *Provider) Name() string {
 	return p.name
 }

-func (p *Provider) Value(ctx context.Context, path ...string) (config.Value, error) {
+func (p *Provider) Value(_ context.Context, path ...string) (config.Value, error) {
 	name := p.prefix + p.key(path...)
 	if val, ok := os.LookupEnv(name); ok {
 		return value.JString(val), nil
--- a/provider/etcd/etcd_test.go
+++ b/provider/etcd/etcd_test.go
@@ -1,4 +1,4 @@
-package test
+package etcd_test

 import (
 	"context"
@@ -8,6 +8,8 @@ import (
 	client "go.etcd.io/etcd/client/v3"
 )

+const ConfigJSON = `{"duration":1260000000000,"enabled":true}`
+
 func NewEtcd(ctx context.Context) (*client.Client, error) {
 	dsn, ok := os.LookupEnv("FDEVS_CONFIG_ETCD_HOST")
 	if !ok {
--- a/provider/etcd/go.mod
+++ b/provider/etcd/go.mod
@@ -0,0 +1,32 @@
+module gitoa.ru/go-4devs/config/provider/etcd
+
+go 1.21
+
+require (
+	github.com/stretchr/testify v1.8.4
+	gitoa.ru/go-4devs/config v0.0.2
+	go.etcd.io/etcd/api/v3 v3.5.11
+	go.etcd.io/etcd/client/v3 v3.5.11
+)
+
+require (
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	go.etcd.io/etcd/client/pkg/v3 v3.5.11 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	go.uber.org/zap v1.17.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	google.golang.org/genproto v0.0.0-20230822172742-b8732ec3820d // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d // indirect
+	google.golang.org/grpc v1.59.0 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
--- a/provider/etcd/go.sum
+++ b/provider/etcd/go.sum
@@ -0,0 +1,97 @@
+github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
+github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
+github.com/coreos/go-systemd/v22 v22.3.2 h1:D9/bQk5vlXQFZ6Kwuu6zaiXJ9oTPe68++AzAJc1DzSI=
+github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
+github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
+github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
+github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
+github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+gitoa.ru/go-4devs/config v0.0.1 h1:9KrOO09YbIMO8qL8aVn/G74DurGdOIW5y3O02bays4I=
+gitoa.ru/go-4devs/config v0.0.1/go.mod h1:xfEC2Al9xnMLJUuekYs3KhJ5BIzWAseNwkMwbN6/xss=
+gitoa.ru/go-4devs/config v0.0.2 h1:bkTxW57kDDMf4cj/8W7fxPSN7JCPWEqlhCmL6LP3Vzg=
+gitoa.ru/go-4devs/config v0.0.2/go.mod h1:xfEC2Al9xnMLJUuekYs3KhJ5BIzWAseNwkMwbN6/xss=
+go.etcd.io/etcd/api/v3 v3.5.11 h1:B54KwXbWDHyD3XYAwprxNzTe7vlhR69LuBgZnMVvS7E=
+go.etcd.io/etcd/api/v3 v3.5.11/go.mod h1:Ot+o0SWSyT6uHhA56al1oCED0JImsRiU9Dc26+C2a+4=
+go.etcd.io/etcd/client/pkg/v3 v3.5.11 h1:bT2xVspdiCj2910T0V+/KHcVKjkUrCZVtk8J2JF2z1A=
+go.etcd.io/etcd/client/pkg/v3 v3.5.11/go.mod h1:seTzl2d9APP8R5Y2hFL3NVlD6qC/dOT+3kvrqPyTas4=
+go.etcd.io/etcd/client/v3 v3.5.11 h1:ajWtgoNSZJ1gmS8k+icvPtqsqEav+iUorF7b0qozgUU=
+go.etcd.io/etcd/client/v3 v3.5.11/go.mod h1:a6xQUEqFJ8vztO1agJh/KQKOMfFI8og52ZconzcDJwE=
+go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
+go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
+go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
+go.uber.org/zap v1.17.0 h1:MTjgFu6ZLKvY6Pvaqk97GlxNBuMpV4Hy/3P6tRGlI2U=
+go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
+golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
+golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/genproto v0.0.0-20230822172742-b8732ec3820d h1:VBu5YqKPv6XiJ199exd8Br+Aetz+o08F+PLMnwJQHAY=
+google.golang.org/genproto v0.0.0-20230822172742-b8732ec3820d/go.mod h1:yZTlhN0tQnXo3h00fuXNCxJdLdIdnVFVBaRJ5LWBbw4=
+google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d h1:DoPTO70H+bcDXcd39vOqb2viZxgqeBeSGtZ55yZU4/Q=
+google.golang.org/genproto/googleapis/api v0.0.0-20230822172742-b8732ec3820d/go.mod h1:KjSP20unUpOx5kyQUFa7k4OJg0qeJ7DEZflGDu2p6Bk=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d h1:uvYuEyMHKNt+lT4K3bN6fGswmK8qSvcreM3BwjDh+y4=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230822172742-b8732ec3820d/go.mod h1:+Bk1OCOj40wS2hwAMA+aCW9ypzm63QTBBHp6lQ3p+9M=
+google.golang.org/grpc v1.59.0 h1:Z5Iec2pjwb+LEOqzpB2MR12/eKFhDPhuqW91O+4bwUk=
+google.golang.org/grpc v1.59.0/go.mod h1:aUPDwccQo6OTjy7Hct4AfBPD1GptF4fyUjIkQ9YtF98=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
+google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/provider/etcd/provider.go
+++ b/provider/etcd/provider.go
@@ -26,8 +26,8 @@ type Client interface {
 	client.Watcher
 }

-func NewProvider(namespace, appName string, client Client) *Provider {
-	p := Provider{
+func New(namespace, appName string, client Client) *Provider {
+	prov := Provider{
 		client: client,
 		key: func(s ...string) string {
 			return strings.Join(s, Separator)
@@ -36,7 +36,7 @@ func NewProvider(namespace, appName string, client Client) *Provider {
 		prefix: namespace + Separator + appName,
 	}

-	return &p
+	return &prov
 }

 type Provider struct {
@@ -44,11 +44,13 @@ type Provider struct {
 	key    func(...string) string
 	name   string
 	prefix string
+	log    func(context.Context, string, ...any)
 }

 func (p *Provider) Name() string {
 	return p.name
 }
+
 func (p *Provider) Key(s []string) string {
 	return p.prefix + Separator + p.key(s...)
 }
@@ -77,7 +79,10 @@ func (p *Provider) Watch(ctx context.Context, callback config.WatchCallback, pat
 			if len(kvs) > 0 {
 				newVar, _ := p.resolve(key, kvs)
 				oldVar, _ := p.resolve(key, olds)
-				callback(ctx, oldVar, newVar)
+
+				if err := callback(ctx, oldVar, newVar); err != nil {
+					p.log(ctx, "watch callback[%v] %v:%v", p.Name(), path, err)
+				}
 			}
 		}
 	}(ctx, p.Key(path), callback)
--- a/provider/etcd/provider_example_test.go
+++ b/provider/etcd/provider_example_test.go
@@ -0,0 +1,121 @@
+package etcd_test
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"sync"
+	"time"
+
+	"gitoa.ru/go-4devs/config"
+	"gitoa.ru/go-4devs/config/provider/etcd"
+)
+
+func ExampleClient_Value() {
+	const (
+		namespace = "fdevs"
+		appName   = "config"
+	)
+
+	ctx := context.Background()
+
+	// configure etcd client
+	etcdClient, err := NewEtcd(ctx)
+	if err != nil {
+		log.Print(err)
+
+		return
+	}
+
+	config, err := config.New(
+		etcd.New(namespace, appName, etcdClient),
+	)
+	if err != nil {
+		log.Print(err)
+
+		return
+	}
+
+	enabled, err := config.Value(ctx, "maintain")
+	if err != nil {
+		log.Print("maintain ", err)
+
+		return
+	}
+
+	fmt.Printf("maintain from etcd: %v\n", enabled.Bool())
+	// Output:
+	// maintain from etcd: true
+}
+
+func ExampleClient_Watch() {
+	const (
+		namespace = "fdevs"
+		appName   = "config"
+	)
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	// configure etcd client
+	etcdClient, err := NewEtcd(ctx)
+	if err != nil {
+		log.Print(err)
+
+		return
+	}
+
+	_, err = etcdClient.KV.Put(ctx, "fdevs/config/example_db_dsn", "pgsql://user@pass:127.0.0.1:5432")
+	if err != nil {
+		log.Print(err)
+
+		return
+	}
+
+	defer func() {
+		cancel()
+
+		if _, err = etcdClient.KV.Delete(context.Background(), "fdevs/config/example_db_dsn"); err != nil {
+			log.Print(err)
+
+			return
+		}
+	}()
+
+	watcher, err := config.New(
+		etcd.New(namespace, appName, etcdClient),
+	)
+	if err != nil {
+		log.Print(err)
+
+		return
+	}
+
+	wg := sync.WaitGroup{}
+	wg.Add(1)
+
+	err = watcher.Watch(ctx, func(_ context.Context, oldVar, newVar config.Value) error {
+		fmt.Println("update example_db_dsn old: ", oldVar.String(), " new:", newVar.String())
+		wg.Done()
+
+		return nil
+	}, "example_db_dsn")
+	if err != nil {
+		log.Print(err)
+
+		return
+	}
+
+	time.AfterFunc(time.Second, func() {
+		if _, err := etcdClient.KV.Put(ctx, "fdevs/config/example_db_dsn", "mysql://localhost:5432"); err != nil {
+			log.Print(err)
+
+			return
+		}
+	})
+
+	wg.Wait()
+
+	// Output:
+	// update example_db_dsn old:  pgsql://user@pass:127.0.0.1:5432  new: mysql://localhost:5432
+}
--- a/provider/etcd/provider_test.go
+++ b/provider/etcd/provider_test.go
@@ -9,10 +9,10 @@ import (
 	"time"

 	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
 	"gitoa.ru/go-4devs/config"
 	"gitoa.ru/go-4devs/config/provider/etcd"
 	"gitoa.ru/go-4devs/config/test"
+	"gitoa.ru/go-4devs/config/test/require"
 )

 func TestProvider(t *testing.T) {
@@ -20,10 +20,10 @@ func TestProvider(t *testing.T) {

 	ctx := context.Background()

-	et, err := test.NewEtcd(ctx)
+	et, err := NewEtcd(ctx)
 	require.NoError(t, err)

-	provider := etcd.NewProvider("fdevs", "config", et)
+	provider := etcd.New("fdevs", "config", et)
 	read := []test.Read{
 		test.NewRead(test.DSN, "db_dsn"),
 		test.NewRead(12*time.Minute, "duration"),
@@ -51,7 +51,7 @@ func TestWatcher(t *testing.T) {

 	key := "test_watch"

-	et, err := test.NewEtcd(ctx)
+	et, err := NewEtcd(ctx)
 	require.NoError(t, err)

 	defer func() {
@@ -61,12 +61,12 @@ func TestWatcher(t *testing.T) {

 	var cnt, cnt2 int32

-	prov := etcd.NewProvider("fdevs", "config", et)
+	prov := etcd.New("fdevs", "config", et)
 	wg := sync.WaitGroup{}
 	wg.Add(6)

-	watch := func(cnt *int32) func(ctx context.Context, oldVar, newVar config.Value) {
-		return func(ctx context.Context, oldVar, newVar config.Value) {
+	watch := func(cnt *int32) config.WatchCallback {
+		return func(ctx context.Context, oldVar, newVar config.Value) error {
 			switch *cnt {
 			case 0:
 				assert.Equal(t, value(*cnt), newVar.String())
@@ -76,15 +76,18 @@ func TestWatcher(t *testing.T) {
 				assert.Equal(t, value(*cnt-1), oldVar.String())
 			case 2:
 				_, perr := newVar.ParseString()
-				assert.NoError(t, perr)
+				require.NoError(t, perr)
 				assert.Equal(t, "", newVar.String())
 				assert.Equal(t, value(*cnt-1), oldVar.String())
 			default:
-				assert.Fail(t, "unexpected watch")
+				t.Error("unexpected watch")
+				t.Fail()
 			}

 			wg.Done()
 			atomic.AddInt32(cnt, 1)
+
+			return nil
 		}
 	}

--- a/provider/ini/fixture/config.ini
+++ b/provider/ini/fixture/config.ini
--- a/provider/ini/go.mod
+++ b/provider/ini/go.mod
@@ -0,0 +1,15 @@
+module gitoa.ru/go-4devs/config/provider/ini
+
+go 1.21
+
+require (
+	github.com/stretchr/testify v1.8.4
+	gitoa.ru/go-4devs/config v0.0.1
+	gopkg.in/ini.v1 v1.67.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
--- a/provider/ini/go.sum
+++ b/provider/ini/go.sum
@@ -0,0 +1,14 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+gitoa.ru/go-4devs/config v0.0.1 h1:9KrOO09YbIMO8qL8aVn/G74DurGdOIW5y3O02bays4I=
+gitoa.ru/go-4devs/config v0.0.1/go.mod h1:xfEC2Al9xnMLJUuekYs3KhJ5BIzWAseNwkMwbN6/xss=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
+gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/provider/ini/provider.go
+++ b/provider/ini/provider.go
@@ -41,7 +41,7 @@ func (p *Provider) Name() string {
 	return p.name
 }

-func (p *Provider) Value(ctx context.Context, path ...string) (config.Value, error) {
+func (p *Provider) Value(_ context.Context, path ...string) (config.Value, error) {
 	section, name := p.resolve(path)

 	iniSection, err := p.data.GetSection(section)
--- a/provider/ini/provider_test.go
+++ b/provider/ini/provider_test.go
@@ -1,17 +1,27 @@
 package ini_test

 import (
+	"embed"
 	"testing"
 	"time"

+	"github.com/stretchr/testify/require"
 	"gitoa.ru/go-4devs/config/provider/ini"
 	"gitoa.ru/go-4devs/config/test"
+	lib "gopkg.in/ini.v1"
 )

+//go:embed fixture/*
+var fixtures embed.FS
+
 func TestProvider(t *testing.T) {
 	t.Parallel()

-	file := test.NewINI()
+	data, derr := fixtures.ReadFile("fixture/config.ini")
+	require.NoError(t, derr)
+
+	file, err := lib.Load(data)
+	require.NoError(t, err)

 	read := []test.Read{
 		test.NewRead("To Do, In Progress, Done", "project", "PROJECT_BOARD_BASIC_KANBAN_TYPE"),
--- a/provider/json/fixture/config.json
+++ b/provider/json/fixture/config.json
--- a/provider/json/go.mod
+++ b/provider/json/go.mod
@@ -0,0 +1,13 @@
+module gitoa.ru/go-4devs/config/provider/json
+
+go 1.21
+
+require (
+	github.com/tidwall/gjson v1.17.0
+	gitoa.ru/go-4devs/config v0.0.1
+)
+
+require (
+	github.com/tidwall/match v1.1.1 // indirect
+	github.com/tidwall/pretty v1.2.0 // indirect
+)
--- a/provider/json/go.sum
+++ b/provider/json/go.sum
@@ -0,0 +1,10 @@
+github.com/tidwall/gjson v1.17.0 h1:/Jocvlh98kcTfpN2+JzGQWQcqrPQwDrVEMApx/M5ZwM=
+github.com/tidwall/gjson v1.17.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
+github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
+github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
+github.com/tidwall/pretty v1.2.0 h1:RWIZEg2iJ8/g6fDDYzMpobmaoGh5OLl4AXtGUGPcqCs=
+github.com/tidwall/pretty v1.2.0/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
+gitoa.ru/go-4devs/config v0.0.0-20240125174937-085589a9383a h1:61iwpn1Ec4yIkBSvSz8knNENJuhj6v2rp6bfw1wkG0E=
+gitoa.ru/go-4devs/config v0.0.0-20240125174937-085589a9383a/go.mod h1:3g2bwE2OTDyYwm33KN/Cqc8pEdGlWXnB8Ju3PsYNQr0=
+gitoa.ru/go-4devs/config v0.0.1 h1:9KrOO09YbIMO8qL8aVn/G74DurGdOIW5y3O02bays4I=
+gitoa.ru/go-4devs/config v0.0.1/go.mod h1:xfEC2Al9xnMLJUuekYs3KhJ5BIzWAseNwkMwbN6/xss=
--- a/provider/json/provider.go
+++ b/provider/json/provider.go
@@ -55,7 +55,7 @@ func (p *Provider) Name() string {
 	return p.name
 }

-func (p *Provider) Value(ctx context.Context, path ...string) (config.Value, error) {
+func (p *Provider) Value(_ context.Context, path ...string) (config.Value, error) {
 	key := p.key(path...)
 	if val := gjson.GetBytes(p.data, key); val.Exists() {
 		return value.JString(val.String()), nil
--- a/provider/json/provider_example_test.go
+++ b/provider/json/provider_example_test.go
@@ -0,0 +1,55 @@
+package json_test
+
+import (
+	"context"
+	"fmt"
+	"log"
+
+	"gitoa.ru/go-4devs/config"
+	"gitoa.ru/go-4devs/config/provider/json"
+	"gitoa.ru/go-4devs/config/test"
+)
+
+func ExampleClient_Value() {
+	ctx := context.Background()
+
+	// read json config
+	jsonConfig, jerr := fixture.ReadFile("fixture/config.json")
+	if jerr != nil {
+		log.Printf("failed load file:%v", jerr)
+
+		return
+	}
+
+	config, err := config.New(
+		json.New(jsonConfig),
+	)
+	if err != nil {
+		log.Print(err)
+
+		return
+	}
+
+	title, err := config.Value(ctx, "app.name.title")
+	if err != nil {
+		log.Print("app.name.title", err)
+
+		return
+	}
+
+	cfgValue, err := config.Value(ctx, "cfg")
+	if err != nil {
+		log.Print("cfg ", err)
+
+		return
+	}
+
+	cfg := test.Config{}
+	_ = cfgValue.Unmarshal(&cfg)
+
+	fmt.Printf("title from json: %v\n", title.String())
+	fmt.Printf("struct from json: %+v\n", cfg)
+	// Output:
+	// title from json: config title
+	// struct from json: {Duration:21m0s Enabled:true}
+}
--- a/provider/json/provider_test.go
+++ b/provider/json/provider_test.go
@@ -1,19 +1,25 @@
 package json_test

 import (
+	"embed"
 	"testing"
 	"time"

-	provider "gitoa.ru/go-4devs/config/provider/json"
+	"gitoa.ru/go-4devs/config/provider/json"
 	"gitoa.ru/go-4devs/config/test"
+	"gitoa.ru/go-4devs/config/test/require"
 )

+//go:embed fixture/*
+var fixture embed.FS
+
 func TestProvider(t *testing.T) {
 	t.Parallel()

-	js := test.ReadFile("config.json")
+	js, err := fixture.ReadFile("fixture/config.json")
+	require.NoError(t, err)

-	prov := provider.New(js)
+	prov := json.New(js)
 	sl := []string{}
 	read := []test.Read{
 		test.NewRead("config title", "app.name.title"),
--- a/provider/toml/fixture/config.toml
+++ b/provider/toml/fixture/config.toml
--- a/provider/toml/go.mod
+++ b/provider/toml/go.mod
@@ -0,0 +1,15 @@
+module gitoa.ru/go-4devs/config/provider/toml
+
+go 1.21
+
+require (
+	github.com/pelletier/go-toml v1.9.5
+	github.com/stretchr/testify v1.8.4
+	gitoa.ru/go-4devs/config v0.0.1
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
--- a/provider/toml/go.sum
+++ b/provider/toml/go.sum
@@ -0,0 +1,14 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pelletier/go-toml v1.9.5 h1:4yBQzkHv+7BHq2PQUZF3Mx0IYxG7LsP222s7Agd3ve8=
+github.com/pelletier/go-toml v1.9.5/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+gitoa.ru/go-4devs/config v0.0.1 h1:9KrOO09YbIMO8qL8aVn/G74DurGdOIW5y3O02bays4I=
+gitoa.ru/go-4devs/config v0.0.1/go.mod h1:xfEC2Al9xnMLJUuekYs3KhJ5BIzWAseNwkMwbN6/xss=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/provider/toml/provider.go
+++ b/provider/toml/provider.go
@@ -62,7 +62,7 @@ func (p *Provider) Name() string {
 	return p.name
 }

-func (p *Provider) Value(ctx context.Context, path ...string) (config.Value, error) {
+func (p *Provider) Value(_ context.Context, path ...string) (config.Value, error) {
 	if k := p.key(path); p.tree.Has(k) {
 		return Value{Value: value.Value{Val: p.tree.Get(k)}}, nil
 	}
--- a/provider/toml/provider_test.go
+++ b/provider/toml/provider_test.go
@@ -1,17 +1,24 @@
 package toml_test

 import (
+	"embed"
 	"testing"

-	"github.com/stretchr/testify/require"
 	"gitoa.ru/go-4devs/config/provider/toml"
 	"gitoa.ru/go-4devs/config/test"
+	"gitoa.ru/go-4devs/config/test/require"
 )

+//go:embed fixture/*
+var fixtures embed.FS
+
 func TestProvider(t *testing.T) {
 	t.Parallel()

-	prov, err := toml.NewFile(test.FixturePath("config.toml"))
+	files, ferr := fixtures.ReadFile("fixture/config.toml")
+	require.NoError(t, ferr)
+
+	prov, err := toml.New(files)
 	require.NoError(t, err)

 	m := []int{}
--- a/provider/vault/go.mod
+++ b/provider/vault/go.mod
@@ -0,0 +1,29 @@
+module gitoa.ru/go-4devs/config/provider/vault
+
+go 1.21
+
+require (
+	github.com/hashicorp/vault/api v1.11.0
+	gitoa.ru/go-4devs/config v0.0.2
+)
+
+require (
+	github.com/cenkalti/backoff/v3 v3.0.0 // indirect
+	github.com/go-jose/go-jose/v3 v3.0.1 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/hashicorp/go-retryablehttp v0.6.6 // indirect
+	github.com/hashicorp/go-rootcerts v1.0.2 // indirect
+	github.com/hashicorp/go-secure-stdlib/parseutil v0.1.6 // indirect
+	github.com/hashicorp/go-secure-stdlib/strutil v0.1.2 // indirect
+	github.com/hashicorp/go-sockaddr v1.0.2 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/ryanuber/go-glob v1.0.0 // indirect
+	golang.org/x/crypto v0.17.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 // indirect
+)
--- a/provider/vault/go.sum
+++ b/provider/vault/go.sum
@@ -0,0 +1,92 @@
+github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
+github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
+github.com/cenkalti/backoff/v3 v3.0.0 h1:ske+9nBpD9qZsTBoF41nW5L+AIuFBKMeze18XQ3eG1c=
+github.com/cenkalti/backoff/v3 v3.0.0/go.mod h1:cIeZDE3IrqwwJl6VUwCN6trj1oXrTS4rc0ij+ULvLYs=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/go-jose/go-jose/v3 v3.0.1 h1:pWmKFVtt+Jl0vBZTIpz/eAKwsm6LkIxDVVbFHKkchhA=
+github.com/go-jose/go-jose/v3 v3.0.1/go.mod h1:RNkWWRld676jZEYoV3+XK8L2ZnNSvIsxFMht0mSX+u8=
+github.com/go-test/deep v1.0.2 h1:onZX1rnHT3Wv6cqNgYyFOOlgVKJrksuCMCRvJStbMYw=
+github.com/go-test/deep v1.0.2/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
+github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
+github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
+github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
+github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
+github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
+github.com/hashicorp/go-cleanhttp v0.5.1/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtngrth3wmdIIUrZ80=
+github.com/hashicorp/go-cleanhttp v0.5.2 h1:035FKYIWjmULyFRBKPs8TBQoi0x6d9G4xc9neXJWAZQ=
+github.com/hashicorp/go-cleanhttp v0.5.2/go.mod h1:kO/YDlP8L1346E6Sodw+PrpBSV4/SoxCXGY6BqNFT48=
+github.com/hashicorp/go-hclog v0.9.2/go.mod h1:5CU+agLiy3J7N7QjHK5d05KxGsuXiQLrjA0H7acj2lQ=
+github.com/hashicorp/go-hclog v0.16.2 h1:K4ev2ib4LdQETX5cSZBG0DVLk1jwGqSPXBjdah3veNs=
+github.com/hashicorp/go-hclog v0.16.2/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ=
+github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk=
+github.com/hashicorp/go-multierror v1.1.1 h1:H5DkEtf6CXdFp0N0Em5UCwQpXMWke8IA0+lD48awMYo=
+github.com/hashicorp/go-multierror v1.1.1/go.mod h1:iw975J/qwKPdAO1clOe2L8331t/9/fmwbPZ6JB6eMoM=
+github.com/hashicorp/go-retryablehttp v0.6.6 h1:HJunrbHTDDbBb/ay4kxa1n+dLmttUlnP3V9oNE4hmsM=
+github.com/hashicorp/go-retryablehttp v0.6.6/go.mod h1:vAew36LZh98gCBJNLH42IQ1ER/9wtLZZ8meHqQvEYWY=
+github.com/hashicorp/go-rootcerts v1.0.2 h1:jzhAVGtqPKbwpyCPELlgNWhE1znq+qwJtW5Oi2viEzc=
+github.com/hashicorp/go-rootcerts v1.0.2/go.mod h1:pqUvnprVnM5bf7AOirdbb01K4ccR319Vf4pU3K5EGc8=
+github.com/hashicorp/go-secure-stdlib/parseutil v0.1.6 h1:om4Al8Oy7kCm/B86rLCLah4Dt5Aa0Fr5rYBG60OzwHQ=
+github.com/hashicorp/go-secure-stdlib/parseutil v0.1.6/go.mod h1:QmrqtbKuxxSWTN3ETMPuB+VtEiBJ/A9XhoYGv8E1uD8=
+github.com/hashicorp/go-secure-stdlib/strutil v0.1.1/go.mod h1:gKOamz3EwoIoJq7mlMIRBpVTAUn8qPCrEclOKKWhD3U=
+github.com/hashicorp/go-secure-stdlib/strutil v0.1.2 h1:kes8mmyCpxJsI7FTwtzRqEy9CdjCtrXrXGuOpxEA7Ts=
+github.com/hashicorp/go-secure-stdlib/strutil v0.1.2/go.mod h1:Gou2R9+il93BqX25LAKCLuM+y9U2T4hlwvT1yprcna4=
+github.com/hashicorp/go-sockaddr v1.0.2 h1:ztczhD1jLxIRjVejw8gFomI1BQZOe2WoVOu0SyteCQc=
+github.com/hashicorp/go-sockaddr v1.0.2/go.mod h1:rB4wwRAUzs07qva3c5SdrY/NEtAUjGlgmH/UkBUC97A=
+github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
+github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
+github.com/hashicorp/vault/api v1.11.0 h1:AChWByeHf4/P9sX3Y1B7vFsQhZO2BgQiCMQ2SA1P1UY=
+github.com/hashicorp/vault/api v1.11.0/go.mod h1:si+lJCYO7oGkIoNPAN8j3azBLTn9SjMGS+jFaHd1Cck=
+github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
+github.com/mattn/go-colorable v0.1.6 h1:6Su7aK7lXmJ/U79bYtBjLNaha4Fs1Rg9plHpcH+vvnE=
+github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
+github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
+github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
+github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y=
+github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
+github.com/mitchellh/go-wordwrap v1.0.0/go.mod h1:ZXFpozHsX6DPmq2I0TCekCxypsnAUbP2oI0UX1GXzOo=
+github.com/mitchellh/mapstructure v1.4.1/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
+github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
+github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
+github.com/ryanuber/columnize v2.1.0+incompatible/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
+github.com/ryanuber/go-glob v1.0.0 h1:iQh3xXAumdQ+4Ufa5b25cRpC5TYKlno6hsv6Cb3pkBk=
+github.com/ryanuber/go-glob v1.0.0/go.mod h1:807d1WSdnB0XRJzKNil9Om6lcp/3a0v4qIHxIXzX/Yc=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+gitoa.ru/go-4devs/config v0.0.2 h1:bkTxW57kDDMf4cj/8W7fxPSN7JCPWEqlhCmL6LP3Vzg=
+gitoa.ru/go-4devs/config v0.0.2/go.mod h1:xfEC2Al9xnMLJUuekYs3KhJ5BIzWAseNwkMwbN6/xss=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
+golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
+golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
+golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
+golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1 h1:NusfzzA6yGQ+ua51ck7E3omNUX/JuqbFSaRGqU8CcLI=
+golang.org/x/time v0.0.0-20200416051211-89c76fbcd5d1/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/provider/vault/provider.go
+++ b/provider/vault/provider.go
@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"log"
 	"strings"

 	"github.com/hashicorp/vault/api"
@@ -19,16 +18,16 @@ const (
 	ValueName = "value"
 )

-var _ config.Provider = (*SecretKV2)(nil)
+var _ config.Provider = (*Provider)(nil)

-type SecretOption func(*SecretKV2)
+type SecretOption func(*Provider)

 func WithSecretResolve(f func(key []string) (string, string)) SecretOption {
-	return func(s *SecretKV2) { s.resolve = f }
+	return func(s *Provider) { s.resolve = f }
 }

-func NewSecretKV2(namespace, appName string, client *api.Client, opts ...SecretOption) *SecretKV2 {
-	prov := SecretKV2{
+func New(namespace, appName string, client *api.Client, opts ...SecretOption) *Provider {
+	prov := Provider{
 		client: client,
 		resolve: func(key []string) (string, string) {
 			keysLen := len(key)
@@ -49,17 +48,18 @@ func NewSecretKV2(namespace, appName string, client *api.Client, opts ...SecretO
 	return &prov
 }

-type SecretKV2 struct {
+type Provider struct {
 	client  *api.Client
 	resolve func(key []string) (string, string)
 	name    string
 	prefix  string
 }

-func (p *SecretKV2) Name() string {
+func (p *Provider) Name() string {
 	return p.name
 }
-func (p *SecretKV2) Key(in []string) (string, string) {
+
+func (p *Provider) Key(in []string) (string, string) {
 	path, val := p.resolve(in)
 	if path == "" {
 		return p.prefix, val
@@ -67,19 +67,21 @@ func (p *SecretKV2) Key(in []string) (string, string) {

 	return p.prefix + Separator + path, val
 }
-func (p *SecretKV2) read(path, key string) (*api.Secret, error) {
+
+func (p *Provider) read(path, key string) (*api.Secret, error) {
 	secret, err := p.client.Logical().Read(path)
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("read[%s:%s]:%w", path, key, err)
 	}
+
 	if secret == nil && key != ValueName {
 		return p.read(path+Separator+key, ValueName)
 	}

-	return secret, err
+	return secret, nil
 }

-func (p *SecretKV2) Value(ctx context.Context, key ...string) (config.Value, error) {
+func (p *Provider) Value(_ context.Context, key ...string) (config.Value, error) {
 	path, field := p.Key(key)

 	secret, err := p.read(path, field)
@@ -88,7 +90,6 @@ func (p *SecretKV2) Value(ctx context.Context, key ...string) (config.Value, err
 	}

 	if secret == nil || len(secret.Data) == 0 {
-		log.Println(secret == nil)
 		return nil, fmt.Errorf("%w: path:%s, field:%s, provider:%s", config.ErrValueNotFound, path, field, p.Name())
 	}

--- a/provider/vault/provider_example_test.go
+++ b/provider/vault/provider_example_test.go
@@ -0,0 +1,47 @@
+package vault_test
+
+import (
+	"context"
+	"fmt"
+	"log"
+
+	"gitoa.ru/go-4devs/config"
+	"gitoa.ru/go-4devs/config/provider/vault"
+)
+
+func ExampleClient_Value() {
+	const (
+		namespace = "fdevs"
+		appName   = "config"
+	)
+
+	ctx := context.Background()
+
+	// configure vault client
+	vaultClient, err := NewVault()
+	if err != nil {
+		log.Print(err)
+
+		return
+	}
+
+	config, err := config.New(
+		vault.New(namespace, appName, vaultClient),
+	)
+	if err != nil {
+		log.Print(err)
+
+		return
+	}
+
+	dsn, err := config.Value(ctx, "example", "dsn")
+	if err != nil {
+		log.Print("example:dsn ", err)
+
+		return
+	}
+
+	fmt.Printf("dsn from vault: %s\n", dsn.String())
+	// Output:
+	// dsn from vault: pgsql://user@pass:127.0.0.1:5432
+}
--- a/provider/vault/provider_test.go
+++ b/provider/vault/provider_test.go
@@ -4,18 +4,18 @@ import (
 	"testing"
 	"time"

-	"github.com/stretchr/testify/require"
 	"gitoa.ru/go-4devs/config/provider/vault"
 	"gitoa.ru/go-4devs/config/test"
+	"gitoa.ru/go-4devs/config/test/require"
 )

 func TestProvider(t *testing.T) {
 	t.Parallel()

-	cl, err := test.NewVault()
+	cl, err := NewVault()
 	require.NoError(t, err)

-	provider := vault.NewSecretKV2("fdevs", "config", cl)
+	provider := vault.New("fdevs", "config", cl)

 	read := []test.Read{
 		test.NewReadConfig("database"),
--- a/provider/vault/vault_test.go
+++ b/provider/vault/vault_test.go
@@ -1,4 +1,4 @@
-package test
+package vault_test

 import (
 	"bytes"
@@ -8,6 +8,7 @@ import (
 	"os"

 	"github.com/hashicorp/vault/api"
+	"gitoa.ru/go-4devs/config/test"
 )

 const token = "dev"
@@ -38,11 +39,11 @@ func NewVault() (*api.Client, error) {
 			"enabled":  true,
 		},
 		"db": {
-			"dsn":     DSN,
+			"dsn":     test.DSN,
 			"timeout": "60s",
 		},
 		"example": {
-			"dsn":     DSN,
+			"dsn":     test.DSN,
 			"timeout": "60s",
 		},
 	}
--- a/provider/watcher/provider.go
+++ b/provider/watcher/provider.go
@@ -2,8 +2,9 @@ package watcher

 import (
 	"context"
+	"errors"
 	"fmt"
-	"log"
+	"log/slog"
 	"time"

 	"gitoa.ru/go-4devs/config"
@@ -14,13 +15,11 @@ var (
 	_ config.WatchProvider = (*Provider)(nil)
 )

-func New(duration time.Duration, provider config.NamedProvider, opts ...Option) *Provider {
+func New(duration time.Duration, provider config.Provider, opts ...Option) *Provider {
 	prov := &Provider{
-		NamedProvider: provider,
-		ticker:        time.NewTicker(duration),
-		logger: func(_ context.Context, msg string) {
-			log.Print(msg)
-		},
+		Provider: provider,
+		duration: duration,
+		logger:   slog.ErrorContext,
 	}

 	for _, opt := range opts {
@@ -30,7 +29,7 @@ func New(duration time.Duration, provider config.NamedProvider, opts ...Option)
 	return prov
 }

-func WithLogger(l func(context.Context, string)) Option {
+func WithLogger(l func(context.Context, string, ...any)) Option {
 	return func(p *Provider) {
 		p.logger = l
 	}
@@ -39,33 +38,43 @@ func WithLogger(l func(context.Context, string)) Option {
 type Option func(*Provider)

 type Provider struct {
-	config.NamedProvider
-	ticker *time.Ticker
-	logger func(context.Context, string)
+	config.Provider
+	duration time.Duration
+	logger   func(context.Context, string, ...any)
 }

 func (p *Provider) Watch(ctx context.Context, callback config.WatchCallback, key ...string) error {
-	oldVar, err := p.NamedProvider.Value(ctx, key...)
+	old, err := p.Provider.Value(ctx, key...)
 	if err != nil {
 		return fmt.Errorf("failed watch variable: %w", err)
 	}

-	go func() {
+	go func(oldVar config.Value) {
+		ticker := time.NewTicker(p.duration)
+		defer func() {
+			ticker.Stop()
+		}()
+
 		for {
 			select {
-			case <-p.ticker.C:
-				newVar, err := p.NamedProvider.Value(ctx, key...)
+			case <-ticker.C:
+				newVar, err := p.Provider.Value(ctx, key...)
 				if err != nil {
-					p.logger(ctx, err.Error())
+					p.logger(ctx, "get value%v:%v", key, err.Error())
 				} else if !newVar.IsEquals(oldVar) {
-					callback(ctx, oldVar, newVar)
+					if err := callback(ctx, oldVar, newVar); err != nil {
+						if errors.Is(err, config.ErrStopWatch) {
+							return
+						}
+						p.logger(ctx, "callback %v:%v", key, err)
+					}
 					oldVar = newVar
 				}
 			case <-ctx.Done():
 				return
 			}
 		}
-	}()
+	}(old)

 	return nil
 }
--- a/provider/watcher/provider_test.go
+++ b/provider/watcher/provider_test.go
@@ -2,18 +2,20 @@ package watcher_test

 import (
 	"context"
-	"fmt"
+	"strconv"
 	"sync"
 	"sync/atomic"
 	"testing"
 	"time"

-	"github.com/stretchr/testify/require"
 	"gitoa.ru/go-4devs/config"
 	"gitoa.ru/go-4devs/config/provider/watcher"
+	"gitoa.ru/go-4devs/config/test/require"
 	"gitoa.ru/go-4devs/config/value"
 )

+var _ config.Provider = (*provider)(nil)
+
 type provider struct {
 	cnt int32
 }
@@ -25,13 +27,17 @@ func (p *provider) Name() string {
 func (p *provider) Value(context.Context, ...string) (config.Value, error) {
 	p.cnt++

-	return value.JString(fmt.Sprint(p.cnt)), nil
+	return value.JString(strconv.Itoa(int(p.cnt))), nil
 }

 func TestWatcher(t *testing.T) {
 	t.Parallel()

-	ctx := context.Background()
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*2)
+	defer func() {
+		cancel()
+	}()
+
 	prov := &provider{}

 	w := watcher.New(time.Second, prov)
@@ -42,14 +48,20 @@ func TestWatcher(t *testing.T) {

 	err := w.Watch(
 		ctx,
-		func(ctx context.Context, oldVar, newVar config.Value) {
+		func(ctx context.Context, oldVar, newVar config.Value) error {
 			atomic.AddInt32(&cnt, 1)
 			wg.Done()
+			if atomic.LoadInt32(&cnt) == 2 {
+				return config.ErrStopWatch
+			}
+
+			return nil
 		},
 		"tmpname",
 	)
-	require.NoError(t, err)
+
 	wg.Wait()

+	require.NoError(t, err)
 	require.Equal(t, int32(2), cnt)
 }
--- a/provider/yaml/fixture/config.yaml
+++ b/provider/yaml/fixture/config.yaml
--- a/provider/yaml/go.mod
+++ b/provider/yaml/go.mod
@@ -0,0 +1,8 @@
+module gitoa.ru/go-4devs/config/provider/yaml
+
+go 1.21
+
+require (
+	gitoa.ru/go-4devs/config v0.0.1
+	gopkg.in/yaml.v3 v3.0.1
+)
--- a/provider/yaml/go.sum
+++ b/provider/yaml/go.sum
@@ -0,0 +1,6 @@
+gitoa.ru/go-4devs/config v0.0.1 h1:9KrOO09YbIMO8qL8aVn/G74DurGdOIW5y3O02bays4I=
+gitoa.ru/go-4devs/config v0.0.1/go.mod h1:xfEC2Al9xnMLJUuekYs3KhJ5BIzWAseNwkMwbN6/xss=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/provider/yaml/provider.go
+++ b/provider/yaml/provider.go
@@ -59,7 +59,6 @@ func (p *Provider) Name() string {
 }

 func (p *Provider) Value(_ context.Context, path ...string) (config.Value, error) {
-
 	return p.data.read(p.Name(), path)
 }

--- a/provider/yaml/provider_test.go
+++ b/provider/yaml/provider_test.go
@@ -1,19 +1,25 @@
 package yaml_test

 import (
+	"embed"
 	"testing"
 	"time"

-	"github.com/stretchr/testify/require"
-	provider "gitoa.ru/go-4devs/config/provider/yaml"
+	"gitoa.ru/go-4devs/config/provider/yaml"
 	"gitoa.ru/go-4devs/config/test"
+	"gitoa.ru/go-4devs/config/test/require"
 )

+//go:embed fixture/*
+var fixture embed.FS
+
 func TestProvider(t *testing.T) {
 	t.Parallel()

-	prov, err := provider.New(test.ReadFile("config.yaml"))
-	require.Nil(t, err)
+	data, err := fixture.ReadFile("fixture/config.yaml")
+	require.NoError(t, err)
+	prov, err := yaml.New(data)
+	require.NoError(t, err)

 	read := []test.Read{
 		test.NewRead(21*time.Minute, "duration_var"),
--- a/provider/yaml/watch.go
+++ b/provider/yaml/watch.go
@@ -12,13 +12,13 @@ import (
 const NameWatch = "yaml_watch"

 func NewWatch(name string, opts ...Option) *Watch {
-	f := Watch{
+	wath := Watch{
 		file: name,
 		prov: create(opts...),
 		name: NameWatch,
 	}

-	return &f
+	return &wath
 }

 type Watch struct {
--- a/test/assert/equal.go
+++ b/test/assert/equal.go
@@ -0,0 +1,30 @@
+package assert
+
+import (
+	"reflect"
+	"testing"
+)
+
+func Equal(t *testing.T, expected interface{}, actual interface{}, msgAndArgs ...interface{}) bool {
+	t.Helper()
+
+	if reflect.DeepEqual(expected, actual) {
+		return true
+	}
+
+	t.Error(msgAndArgs...)
+
+	return false
+}
+
+func Equalf(t *testing.T, expected interface{}, actual interface{}, msg string, args ...interface{}) bool {
+	t.Helper()
+
+	if reflect.DeepEqual(expected, actual) {
+		return true
+	}
+
+	t.Errorf(msg, args...)
+
+	return false
+}
--- a/test/assert/nil.go
+++ b/test/assert/nil.go
@@ -0,0 +1,15 @@
+package assert
+
+import "testing"
+
+func Nil(t *testing.T, data any, msgAndArgs ...interface{}) bool {
+	t.Helper()
+
+	if data != nil {
+		t.Error(msgAndArgs...)
+
+		return false
+	}
+
+	return true
+}
--- a/test/helpers.go
+++ b/test/helpers.go
@@ -1,17 +0,0 @@
-package test
-
-import (
-	"path/filepath"
-	"runtime"
-)
-
-func FixturePath(file string) string {
-	path := "fixture/"
-
-	_, filename, _, ok := runtime.Caller(0)
-	if ok {
-		path = filepath.Dir(filename) + "/" + path
-	}
-
-	return path + file
-}
--- a/test/ini.go
+++ b/test/ini.go
@@ -1,16 +0,0 @@
-package test
-
-import (
-	"log"
-
-	"gopkg.in/ini.v1"
-)
-
-func NewINI() *ini.File {
-	f, err := ini.Load(FixturePath("config.ini"))
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	return f
-}
--- a/test/json.go
+++ b/test/json.go
@@ -1,15 +0,0 @@
-package test
-
-import (
-	"io/ioutil"
-	"log"
-)
-
-func ReadFile(file string) []byte {
-	data, err := ioutil.ReadFile(FixturePath(file))
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	return data
-}
--- a/test/provider_suite.go
+++ b/test/provider_suite.go
@@ -2,14 +2,12 @@ package test

 import (
 	"context"
-	"io/ioutil"
-	"path/filepath"
+	"fmt"
 	"testing"
 	"time"

-	"github.com/stretchr/testify/require"
-	"github.com/stretchr/testify/suite"
 	"gitoa.ru/go-4devs/config"
+	"gitoa.ru/go-4devs/config/test/require"
 )

 const (
@@ -21,17 +19,15 @@ const (
 func Run(t *testing.T, provider config.Provider, read []Read) {
 	t.Helper()

-	prov := &ProviderSuite{
-		provider: provider,
-		read:     read,
-	}
-	suite.Run(t, prov)
-}
+	ctx := context.Background()

-type ProviderSuite struct {
-	suite.Suite
-	provider config.Provider
-	read     []Read
+	for idx, read := range read {
+		t.Run(fmt.Sprintf("%v:%v", idx, read.Key), func(t *testing.T) {
+			val, err := provider.Value(ctx, read.Key...)
+			require.NoError(t, err, read.Key)
+			read.Assert(t, val)
+		})
+	}
 }

 type Read struct {
@@ -39,8 +35,6 @@ type Read struct {
 	Assert func(t *testing.T, v config.Value)
 }

-const ConfigJSON = `{"duration":1260000000000,"enabled":true}`
-
 type Config struct {
 	Duration time.Duration
 	Enabled  bool
@@ -112,7 +106,7 @@ func NewRead(expected interface{}, key ...string) Read {
 				val, err = v.ParseTime()
 				short = v.Time()
 			default:
-				require.Fail(t, "unexpected type", "type:%+T", expected)
+				require.Fail(t, "unexpected type:%+T", expected)
 			}

 			require.Equalf(t, val, short, "type:%T", expected)
@@ -121,22 +115,3 @@ func NewRead(expected interface{}, key ...string) Read {
 		},
 	}
 }
-
-func (ps *ProviderSuite) TestReadKeys() {
-	ctx := context.Background()
-
-	for _, read := range ps.read {
-		val, err := ps.provider.Value(ctx, read.Key...)
-		require.NoError(ps.T(), err, read.Key)
-		read.Assert(ps.T(), val)
-	}
-}
-
-func LoadConfig(t *testing.T, path string) []byte {
-	t.Helper()
-
-	file, err := ioutil.ReadFile(filepath.Clean(path))
-	require.NoError(t, err)
-
-	return file
-}
--- a/test/require/equal.go
+++ b/test/require/equal.go
@@ -0,0 +1,28 @@
+package require
+
+import (
+	"testing"
+
+	"gitoa.ru/go-4devs/config/test/assert"
+)
+
+func Equal(t *testing.T, expected interface{}, actual interface{}, msgAndArgs ...interface{}) {
+	t.Helper()
+
+	if assert.Equal(t, expected, actual, msgAndArgs...) {
+		return
+	}
+
+	t.FailNow()
+}
+
+func Equalf(t *testing.T, expected interface{}, actual interface{}, msg string, args ...interface{}) {
+	t.Helper()
+
+	if assert.Equalf(t, expected, actual, msg, args...) {
+		return
+	}
+
+	t.Errorf(msg, args...)
+	t.FailNow()
+}
--- a/test/require/error.go
+++ b/test/require/error.go
@@ -0,0 +1,23 @@
+package require
+
+import (
+	"testing"
+)
+
+func NoError(t *testing.T, err error, msgAndArgs ...interface{}) {
+	t.Helper()
+
+	if err != nil {
+		t.Error(msgAndArgs...)
+		t.FailNow()
+	}
+}
+
+func NoErrorf(t *testing.T, err error, msg string, args ...interface{}) {
+	t.Helper()
+
+	if err != nil {
+		t.Errorf(msg, args...)
+		t.FailNow()
+	}
+}
--- a/test/require/fail.go
+++ b/test/require/fail.go
@@ -0,0 +1,9 @@
+package require
+
+import "testing"
+
+func Fail(t *testing.T, msg string, args ...interface{}) {
+	t.Helper()
+	t.Errorf(msg, args...)
+	t.FailNow()
+}
--- a/test/require/true.go
+++ b/test/require/true.go
@@ -0,0 +1,14 @@
+package require
+
+import (
+	"testing"
+)
+
+func Truef(t *testing.T, value bool, msg string, args ...interface{}) {
+	t.Helper()
+
+	if !value {
+		t.Errorf(msg, args...)
+		t.FailNow()
+	}
+}
--- a/value.go
+++ b/value.go
@@ -8,7 +8,7 @@ type Value interface {
 	ReadValue
 	ParseValue
 	UnmarshalValue
-	IsEquals(Value) bool
+	IsEquals(in Value) bool
 }

 type UnmarshalValue interface {
--- a/value/jstring_test.go
+++ b/value/jstring_test.go
@@ -5,8 +5,8 @@ import (
 	"testing"
 	"time"

-	"github.com/stretchr/testify/require"
 	"gitoa.ru/go-4devs/config"
+	"gitoa.ru/go-4devs/config/test/require"
 	"gitoa.ru/go-4devs/config/value"
 )

--- a/variable.go
+++ b/variable.go
@@ -1,11 +0,0 @@
-package config
-
-type Variable struct {
-	Name     string
-	Provider string
-	Value    Value
-}
-
-func (v Variable) IsEquals(n Variable) bool {
-	return n.Name == v.Name && n.Provider == v.Provider && n.Value.String() == v.Value.String()
-}
Author	SHA1	Message	Date
andrey	22dacb741f	update nlreturn lint All checks were successful continuous-integration/drone/push Build is passing Details	2024-01-26 11:32:43 +03:00
andrey	74bd8879b5	update definition go version Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-26 11:14:38 +03:00
andrey	b98f31c891	update drone ci Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 23:59:40 +03:00
andrey	504a2369de	Merge pull request 'add example' (#11 ) from example into master Some checks failed continuous-integration/drone/push Build was killed Details Reviewed-on: #11	2024-01-25 23:58:31 +03:00
andrey	b0ec158da2	add example Some checks failed continuous-integration/drone/push Build was killed Details continuous-integration/drone/pr Build was killed Details	2024-01-25 23:57:24 +03:00
andrey	5586adc4e3	add config definition Some checks failed continuous-integration/drone/push Build is failing Details Reviewed-on: #10 Co-authored-by: andrey <andrey@4devs.io> Co-committed-by: andrey <andrey@4devs.io>	2024-01-25 23:34:35 +03:00
andrey	aeb90ceaa6	Merge pull request 'add provider vault' (#9 ) from vault into master Some checks failed continuous-integration/drone/push Build was killed Details Reviewed-on: #9	2024-01-25 23:08:20 +03:00
andrey	80b0244b52	add provider vault All checks were successful continuous-integration/drone/push Build is passing Details continuous-integration/drone/pr Build is passing Details	2024-01-25 23:07:50 +03:00
andrey	947c40d918	Merge pull request 'add etcd provider' (#8 ) from etcd into master Some checks failed continuous-integration/drone/push Build was killed Details Reviewed-on: #8	2024-01-25 22:49:02 +03:00
andrey	788e2928fe	add etcd provider Some checks failed continuous-integration/drone/pr Build was killed Details continuous-integration/drone/push Build was killed Details	2024-01-25 22:48:33 +03:00
andrey	66c1eef44a	add assert tests Some checks failed continuous-integration/drone/push Build was killed Details continuous-integration/drone/tag Build was killed Details	2024-01-25 22:30:15 +03:00
andrey	b7736b7d4c	Merge pull request 'add toml provider' (#7 ) from toml into master Some checks failed continuous-integration/drone/push Build was killed Details Reviewed-on: #7	2024-01-25 22:29:06 +03:00
andrey	fdab23b756	add toml provider Some checks failed continuous-integration/drone/pr Build was killed Details continuous-integration/drone/push Build is passing Details	2024-01-25 22:04:58 +03:00
andrey	18ce790363	Merge pull request 'add provider ini' (#6 ) from ini into master Some checks failed continuous-integration/drone/push Build was killed Details Reviewed-on: #6	2024-01-25 22:02:59 +03:00
andrey	5cb46f5030	add provider ini Some checks failed continuous-integration/drone/pr Build was killed Details continuous-integration/drone/push Build is failing Details	2024-01-25 22:02:02 +03:00
andrey	dd37b51974	Merge pull request 'add yaml provider' (#5 ) from yaml into master All checks were successful continuous-integration/drone/push Build is passing Details Reviewed-on: #5	2024-01-25 21:39:05 +03:00
andrey	1088e26bcf	add yaml provider Some checks failed continuous-integration/drone/pr Build was killed Details continuous-integration/drone/push Build is passing Details	2024-01-25 21:35:01 +03:00
andrey	089f43dcb9	Merge pull request 'add json provider' (#4 ) from json into master All checks were successful continuous-integration/drone/push Build is passing Details Reviewed-on: #4	2024-01-25 21:30:11 +03:00
andrey	59f97e1681	add json provider Some checks failed continuous-integration/drone/pr Build was killed Details continuous-integration/drone/push Build is passing Details	2024-01-25 21:23:39 +03:00
andrey	b9af510e71	update version golangci-lint All checks were successful continuous-integration/drone/push Build is passing Details continuous-integration/drone/tag Build is passing Details	2024-01-25 21:06:29 +03:00
andrey	4ef55a0d93	update version go for slog Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 21:01:28 +03:00
andrey	f094e4b48c	remove race from test Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 20:57:43 +03:00
andrey	126ec4cb88	fix lint Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 20:56:21 +03:00
andrey	085589a938	add stop watch Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 20:49:37 +03:00
andrey	f4446378d4	update drone Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 20:36:51 +03:00
andrey	b866158d9b	udate watcher Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 20:33:10 +03:00
andrey	d864996848	update go mod Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 20:08:57 +03:00
andrey	e2a2db01bb	remove definition Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 19:44:58 +03:00
andrey	d5b5103f40	remove yaml provider Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 19:43:56 +03:00
andrey	11c3c3e5f8	remove json provider	2024-01-25 19:13:01 +03:00
andrey	792b48306a	remove key Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 19:04:29 +03:00
andrey	4faa38fc84	remove toml provider Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 19:03:01 +03:00
andrey	3d2934239a	remove toml provider	2024-01-25 18:56:20 +03:00
andrey	14ab46a1eb	remove etcd provider Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 18:48:49 +03:00
andrey	996a948b7f	update go.mod Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 18:31:58 +03:00
andrey	b3928d4dd1	remove vault provider Some checks failed continuous-integration/drone/push Build is failing Details	2024-01-25 18:31:14 +03:00