26 Commits

Author SHA1 Message Date
66c1eef44a add assert tests
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2024-01-25 22:30:15 +03:00
b7736b7d4c Merge pull request 'add toml provider' (#7) from toml into master
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Reviewed-on: #7
2024-01-25 22:29:06 +03:00
fdab23b756 add toml provider
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2024-01-25 22:04:58 +03:00
18ce790363 Merge pull request 'add provider ini' (#6) from ini into master
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Reviewed-on: #6
2024-01-25 22:02:59 +03:00
5cb46f5030 add provider ini
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2024-01-25 22:02:02 +03:00
dd37b51974 Merge pull request 'add yaml provider' (#5) from yaml into master
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Reviewed-on: #5
2024-01-25 21:39:05 +03:00
1088e26bcf add yaml provider
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2024-01-25 21:35:01 +03:00
089f43dcb9 Merge pull request 'add json provider' (#4) from json into master
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Reviewed-on: #4
2024-01-25 21:30:11 +03:00
59f97e1681 add json provider
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2024-01-25 21:23:39 +03:00
b9af510e71 update version golangci-lint
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2024-01-25 21:06:29 +03:00
4ef55a0d93 update version go for slog
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2024-01-25 21:01:28 +03:00
f094e4b48c remove race from test
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2024-01-25 20:57:43 +03:00
126ec4cb88 fix lint
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2024-01-25 20:56:21 +03:00
085589a938 add stop watch
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2024-01-25 20:49:37 +03:00
f4446378d4 update drone
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2024-01-25 20:36:51 +03:00
b866158d9b udate watcher
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2024-01-25 20:33:10 +03:00
d864996848 update go mod
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2024-01-25 20:08:57 +03:00
e2a2db01bb remove definition
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2024-01-25 19:44:58 +03:00
d5b5103f40 remove yaml provider
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2024-01-25 19:43:56 +03:00
11c3c3e5f8 remove json provider 2024-01-25 19:13:01 +03:00
792b48306a remove key
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2024-01-25 19:04:29 +03:00
4faa38fc84 remove toml provider
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2024-01-25 19:03:01 +03:00
3d2934239a remove toml provider 2024-01-25 18:56:20 +03:00
andrey
14ab46a1eb remove etcd provider
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2024-01-25 18:48:49 +03:00
andrey
996a948b7f update go.mod
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2024-01-25 18:31:58 +03:00
andrey
b3928d4dd1 remove vault provider
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2024-01-25 18:31:14 +03:00
77 changed files with 488 additions and 2465 deletions

View File

@@ -1,17 +1,7 @@
---
kind: pipeline
name: default
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
@@ -21,9 +11,83 @@ steps:
- name: test
image: golang
commands:
- go test -parallel 10 -race ./...
# - go test -parallel 10 -race ./...
- go test ./...
- name: golangci-lint
image: golangci/golangci-lint:v1.53
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

View File

@@ -43,6 +43,8 @@ linters:
- ifshort
- nosnakecase
- ireturn # implement provider interface
issues:
# Excluding configuration per-path, per-linter, per-text and per-source
exclude-rules:

View File

@@ -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 {

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@@ -1,304 +0,0 @@
package config_test
import (
"context"
"fmt"
"log"
"os"
"sync"
"time"
"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")
args := os.Args
defer func() {
os.Args = args
}()
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)
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)
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)
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)
return
}
wg := sync.WaitGroup{}
wg.Add(2)
err = watcher.Watch(ctx, func(ctx context.Context, oldVar, newVar config.Value) {
fmt.Println("update example_enable old: ", oldVar.Bool(), " new:", newVar.Bool())
wg.Done()
}, "example_enable")
if err != nil {
log.Print(err)
return
}
_ = os.Setenv("FDEVS_CONFIG_EXAMPLE_ENABLE", "false")
err = watcher.Watch(ctx, func(ctx context.Context, oldVar, newVar config.Value) {
fmt.Println("update example_db_dsn old: ", oldVar.String(), " new:", newVar.String())
wg.Done()
}, "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_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")
args := os.Args
defer func() {
os.Args = args
}()
os.Args = []string{"main.go", "--config-json=config.json", "--config-yaml=test/fixture/config.yaml"}
config, err := config.New(
arg.New(),
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)
return
}
port, err := config.Value(ctx, "listen")
if err != nil {
log.Print(err)
return
}
title, err := config.Value(ctx, "app", "name", "title")
if err != nil {
log.Print(err)
return
}
yamlTitle, err := config.Value(ctx, "app", "title")
if err != nil {
log.Print(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)
// Output:
// listen from env: 8080
// title from json: config title
// yaml title: yaml title
// struct from json: {Duration:21m0s Enabled:true}
}

View File

@@ -1,29 +0,0 @@
package definition
import (
"fmt"
)
func New() Definition {
return Definition{}
}
type Definition struct {
options Options
}
func (d *Definition) Add(opts ...Option) *Definition {
d.options = append(d.options, opts...)
return d
}
func (d *Definition) View(handle func(Option) error) error {
for idx, opt := range d.options {
if err := handle(opt); err != nil {
return fmt.Errorf("%s[%d]:%w", opt.Kind(), idx, err)
}
}
return nil
}

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@@ -1,70 +0,0 @@
package generate
import (
"fmt"
"io"
"gitoa.ru/go-4devs/config/definition"
)
type Generator struct {
pkg string
ViewOption
Imp Imports
errs []error
defaultErrors []string
}
func (g Generator) Pkg() string {
return g.pkg
}
func (g Generator) Imports() []Import {
return g.Imp.Imports()
}
func (g Generator) Handle(w io.Writer, data Handler, opt definition.Option) error {
handle := get(opt.Kind())
return handle(w, data, opt)
}
func (g Generator) StructName() string {
return FuncName(g.Prefix + "_" + g.Struct + "_" + g.Suffix)
}
func (g Generator) Options() ViewOption {
return g.ViewOption
}
func (g Generator) Keys() []string {
return nil
}
func (g Generator) DefaultErrors() []string {
if len(g.defaultErrors) > 0 {
return g.defaultErrors
}
if len(g.ViewOption.Errors.Default) > 0 {
g.Imp.Adds("errors")
}
g.defaultErrors = make([]string, len(g.ViewOption.Errors.Default))
for idx, name := range g.ViewOption.Errors.Default {
short, err := g.AddType(name)
if err != nil {
g.errs = append(g.errs, fmt.Errorf("add default error[%d]:%w", idx, err))
return nil
}
g.defaultErrors[idx] = short
}
return g.defaultErrors
}
func (g *Generator) AddType(pkg string) (string, error) {
return g.Imp.AddType(pkg)
}

View File

@@ -1,16 +0,0 @@
package generate
import (
"errors"
"github.com/iancoleman/strcase"
)
var (
ErrNotFound = errors.New("not found")
ErrAlreadyExist = errors.New("already exist")
)
func FuncName(in string) string {
return strcase.ToCamel(in)
}

View File

@@ -1,87 +0,0 @@
package generate
import (
"fmt"
"strconv"
"strings"
)
func NewImports() Imports {
return Imports{
data: make(map[string]string),
}
}
type Imports struct {
data map[string]string
}
func (i Imports) Imports() []Import {
imports := make([]Import, 0, len(i.data))
for name, alias := range i.data {
imports = append(imports, Import{
Package: name,
Alias: alias,
})
}
return imports
}
func (i *Imports) Short(fullType string) (string, error) {
idx := strings.LastIndexByte(fullType, '.')
if idx == -1 {
return "", fmt.Errorf("unexpected")
}
if alias, ok := i.data[fullType[:idx]]; ok {
return alias + fullType[idx:], nil
}
return "", fmt.Errorf("%w alias for pkg %v", ErrNotFound, fullType[:idx])
}
func (i *Imports) AddType(fullType string) (string, error) {
idx := strings.LastIndexByte(fullType, '.')
if idx == -1 {
return "", fmt.Errorf("unexpected")
}
imp := i.Add(fullType[:idx])
return imp.Alias + fullType[idx:], nil
}
func (i *Imports) Adds(pkgs ...string) {
for _, pkg := range pkgs {
i.Add(pkg)
}
}
func (i *Imports) Add(pkg string) Import {
alias := pkg
idx := strings.LastIndexByte(pkg, '/')
if idx != -1 {
alias = pkg[idx+1:]
}
if al, ok := i.data[pkg]; ok {
return Import{Package: pkg, Alias: al}
}
for _, al := range i.data {
if al == alias {
alias += strconv.Itoa(len(i.data))
}
}
i.data[pkg] = alias
return Import{
Alias: alias,
Package: pkg,
}
}
type Import struct {
Alias string
Package string
}

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@@ -1,38 +0,0 @@
package generate
import (
"bytes"
"fmt"
"io"
"gitoa.ru/go-4devs/config/definition"
)
func Run(w io.Writer, pkgName string, defs definition.Definition, viewOpt ViewOption) error {
gen := Generator{
pkg: pkgName,
ViewOption: viewOpt,
Imp: NewImports(),
}
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)
})
if err != nil {
return fmt.Errorf("render options:%w", err)
}
if err := tpl.Execute(w, gen); err != nil {
return fmt.Errorf("render base:%w", err)
}
_, cerr := io.Copy(w, &view)
if cerr != nil {
return fmt.Errorf("copy error:%w", cerr)
}
return nil
}

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@@ -1,41 +0,0 @@
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.
package {{.Pkg}}
import (
{{range .Imports}}
{{- .Alias }}"{{ .Package }}"
{{end}}
)
func With{{.StructName}}Log(log func(context.Context, string, ...any)) func(*{{.StructName}}) {
return func(ci *{{.StructName}}) {
ci.log = log
}
}
func New{{.StructName}}(prov config.Provider, opts ...func(*{{.StructName}})) {{.StructName}} {
i := {{.StructName}}{
Provider: prov,
log: func(_ context.Context, format string, args ...any) {
fmt.Printf(format, args...)
},
}
for _, opt := range opts {
opt(&i)
}
return i
}
type {{.StructName}} struct {
config.Provider
log func(context.Context, string, ...any)
}
`

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@@ -1,60 +0,0 @@
package generate
import (
"fmt"
"io"
"sync"
"gitoa.ru/go-4devs/config/definition"
)
var handlers = sync.Map{}
func Add(kind string, h Handle) error {
_, ok := handlers.Load(kind)
if ok {
return fmt.Errorf("kind %v: %w", kind, ErrAlreadyExist)
}
handlers.Store(kind, h)
return nil
}
func get(kind string) Handle {
h, 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)
}
func MustAdd(kind string, h Handle) {
if err := Add(kind, h); err != nil {
panic(err)
}
}
type Handle func(io.Writer, Handler, definition.Option) error
type Handler interface {
StructName() string
Handle(io.Writer, Handler, definition.Option) error
Options() ViewOption
Keys() []string
AddType(fullName string) (string, error)
DefaultErrors() []string
}
type ViewOption struct {
Prefix, Suffix string
Context bool
Struct string
Errors ViewErrors
}
type ViewErrors struct {
Default []string
}

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@@ -1,27 +0,0 @@
package group
import (
"gitoa.ru/go-4devs/config/definition"
)
const Kind = "group"
var _ definition.Option = Group{}
func New(name, desc string, opts ...definition.Option) Group {
return Group{
Name: name,
Description: desc,
Options: opts,
}
}
type Group struct {
Options definition.Options
Name string
Description string
}
func (o Group) Kind() string {
return Kind
}

View File

@@ -1,85 +0,0 @@
package group
import (
"fmt"
"io"
"text/template"
"gitoa.ru/go-4devs/config/definition"
"gitoa.ru/go-4devs/config/definition/generate"
)
func init() {
generate.MustAdd(Kind, handle)
}
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)
}
viewData := View{
Group: group,
ParentName: data.StructName(),
ViewOption: data.Options(),
}
err := tpl.Execute(w, viewData)
if err != nil {
return fmt.Errorf("render group:%w", err)
}
childData := ChildData{
Handler: data,
structName: viewData.StructName(),
keys: append(data.Keys(), group.Name),
}
for idx, child := range group.Options {
if cerr := data.Handle(w, childData, child); cerr != nil {
return fmt.Errorf("render group child[%d]:%w", idx, cerr)
}
}
return nil
}
type ChildData struct {
generate.Handler
structName string
keys []string
}
func (c ChildData) StructName() string {
return c.structName
}
func (v ChildData) Keys() []string {
return v.keys
}
type View struct {
Group
ParentName string
generate.ViewOption
}
func (v View) FuncName() string {
return generate.FuncName(v.Name)
}
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 {
{{.ParentName}}
}
// {{.FuncName}} {{.Description}}.
func (i {{.ParentName}}) {{.FuncName}}() {{.StructName}} {
return {{.StructName}}{i}
}
`

View File

@@ -1,27 +0,0 @@
package definition
type Option interface {
Kind() string
}
type Options []Option
func (s Options) Len() int { return len(s) }
func (s Options) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
type Params []Param
func (p Params) Get(name string) (any, bool) {
for _, param := range p {
if param.Name == name {
return param.Value, true
}
}
return nil, false
}
type Param struct {
Name string
Value any
}

View File

@@ -1,100 +0,0 @@
package option
import (
"gitoa.ru/go-4devs/config/definition"
)
var _ definition.Option = Option{}
const (
Kind = "option"
)
const (
TypeString = "string"
TypeInt = "int"
TypeInt64 = "int64"
TypeUint = "uint"
TypeUint64 = "uint64"
TypeFloat64 = "float64"
TypeBool = "bool"
TypeTime = "time.Time"
TypeDuration = "time.Duration"
)
func Default(v any) func(*Option) {
return func(o *Option) {
o.Default = v
}
}
func New(name, desc string, vtype any, opts ...func(*Option)) Option {
option := Option{
Name: name,
Description: desc,
Type: vtype,
}
for _, opt := range opts {
opt(&option)
}
return option
}
type Option struct {
Name string
Description string
Type any
Default any
Params definition.Params
}
func (o Option) WithParams(params ...definition.Param) Option {
return Option{
Name: o.Name,
Description: o.Description,
Type: o.Type,
Params: append(params, o.Params...),
}
}
func (o Option) Kind() string {
return Kind
}
func Time(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeTime, opts...)
}
func Duration(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeDuration, opts...)
}
func String(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeString, opts...)
}
func Int(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeInt, opts...)
}
func Int64(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeInt64, opts...)
}
func Uint(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeUint, opts...)
}
func Uint64(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeUint64, opts...)
}
func Float64(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeFloat64, opts...)
}
func Bool(name, desc string, opts ...func(*Option)) Option {
return New(name, desc, TypeBool, opts...)
}

View File

@@ -1,33 +0,0 @@
// read{{.FuncName}} {{.Description}}.
func (i {{.StructName}}) read{{.FuncName}}(ctx context.Context) (v {{.Type}},e error) {
val, err := i.Value(ctx, {{ .ParentKeys }}"{{ .Name }}")
if err != nil {
{{if .HasDefault}}
{{$default := .Default}}
{{range .DefaultErrors}}
if errors.Is(err,{{.}}){
return {{$default}}
}
{{end}}
{{end}}
return v, fmt.Errorf("read {{.Keys}}:%w",err)
}
{{.Parse "val" "v" .Keys }}
}
// Read{{.FuncName}} {{.Description}}.
func (i {{.StructName}}) Read{{.FuncName}}(ctx context.Context) ({{.Type}}, error) {
return i.read{{.FuncName}}(ctx)
}
// {{.FuncName}} {{.Description}}.
func (i {{.StructName}}) {{.FuncName}}({{if .Context}} ctx context.Context {{end}}) {{.Type}} {
{{if not .Context}} ctx := context.Background() {{end}}
val, err := i.read{{.FuncName}}(ctx)
if err != nil {
i.log(ctx, "get {{.Keys}}: %v", err)
}
return val
}

View File

@@ -1,3 +0,0 @@
{{block "Parse" .}}
return {{.ValName}}.Parse{{ .FuncType}}()
{{end}}

View File

@@ -1,8 +0,0 @@
{{block "UnmarshalJSON" . }}
pval, perr := {{.ValName}}.ParseString()
if perr != nil {
return {{.Value}}, fmt.Errorf("read {{.Keys}}:%w", perr)
}
return {{.Value}}, {{.Value}}.UnmarshalJSON([]byte(pval))
{{end}}

View File

@@ -1,8 +0,0 @@
{{block "UnmarshalText" . }}
pval, perr := {{.ValName}}.ParseString()
if perr != nil {
return {{.Value}}, fmt.Errorf("read {{.Keys}}:%w", perr)
}
return {{.Value}}, {{.Value}}.UnmarshalText([]byte(pval))
{{end}}

View File

@@ -1,226 +0,0 @@
package option
import (
"bytes"
"embed"
"encoding"
"encoding/json"
"fmt"
"io"
"reflect"
"strings"
"text/template"
"time"
"gitoa.ru/go-4devs/config/definition"
"gitoa.ru/go-4devs/config/definition/generate"
)
//go:embed tpl/*
var tpls embed.FS
var tpl = template.Must(template.New("tpls").ParseFS(tpls, "tpl/*.tmpl"))
func init() {
generate.MustAdd(Kind, Handle(tpl.Lookup("option.tmpl")))
}
func Handle(tpl *template.Template) generate.Handle {
return func(w io.Writer, h generate.Handler, o definition.Option) error {
opt, _ := o.(Option)
if err := tpl.Execute(w, View{Option: opt, Handler: h}); err != nil {
return fmt.Errorf("option tpl:%w", err)
}
return nil
}
}
type View struct {
Option
generate.Handler
}
func (v View) Context() bool {
return v.Options().Context
}
func (v View) FuncName() string {
if funcName, ok := v.Option.Params.Get(ViewParamFunctName); ok {
return funcName.(string)
}
return generate.FuncName(v.Name)
}
func (v View) Description() string {
if desc, ok := v.Option.Params.Get(ViewParamDescription); ok {
return desc.(string)
}
return v.Option.Description
}
func (v View) Default() string {
switch data := v.Option.Default.(type) {
case time.Time:
return fmt.Sprintf("time.Parse(%q,time.RFC3339Nano)", data.Format(time.RFC3339Nano))
case time.Duration:
return fmt.Sprintf("time.ParseDuration(%q)", data)
default:
return fmt.Sprintf("%#v, nil", data)
}
}
func (v View) HasDefault() bool {
return v.Option.Default != nil
}
func (v View) ParentKeys() string {
if len(v.Handler.Keys()) > 0 {
return `"` + strings.Join(v.Handler.Keys(), `","`) + `",`
}
return ""
}
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
}
rtype := reflect.TypeOf(v.Option.Type)
if rtype.PkgPath() == "" {
return rtype.String()
}
if rtype.Kind() == reflect.Slice {
slice = "[]"
}
short, err := v.AddType(rtype.PkgPath() + "." + rtype.Name())
if err != nil {
return err.Error()
}
return slice + short
}
func (v View) FuncType() string {
return generate.FuncName(v.Type())
}
func (v View) Parse(valName string, value string, keys []string) string {
h := parser(v.Option.Type)
data, err := h(ParseData{
Value: value,
ValName: valName,
Keys: keys,
View: v,
})
if err != nil {
return err.Error()
}
return data
}
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 b.String(), nil
},
typesIntreface[1].Name(): func(data ParseData) (string, error) {
var b bytes.Buffer
err := tpl.ExecuteTemplate(&b, "unmarshal_json.tmpl", data)
if err != nil {
return "", err
}
return b.String(), nil
},
TypeInt: internal,
TypeInt64: internal,
TypeBool: internal,
TypeString: internal,
TypeFloat64: internal,
TypeUint: internal,
TypeUint64: internal,
"time.Duration": func(data ParseData) (string, error) {
return fmt.Sprintf("return %s.ParseDuration()", data.ValName), nil
},
"time.Time": func(data ParseData) (string, error) {
return fmt.Sprintf("return %s.ParseTime()", data.ValName), nil
},
"any": func(data ParseData) (string, error) {
return fmt.Sprintf("return %[2]s, %[1]s.Unmarshal(&%[2]s)", data.ValName, data.Value), nil
},
}
func internal(data ParseData) (string, error) {
var b bytes.Buffer
err := tpl.ExecuteTemplate(&b, "parse.tmpl", data)
if err != nil {
return "", err
}
return b.String(), nil
}
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
}
if vtype.Kind() == reflect.Slice {
return parses["any"]
}
if h, ok := parses[name]; ok {
return h
}
for _, extypes := range typesIntreface {
if vtype.Implements(extypes) {
return parses[extypes.Name()]
}
if vtype.Kind() != reflect.Ptr && reflect.PointerTo(vtype).Implements(extypes) {
return parses[extypes.Name()]
}
}
return parses["any"]
}
type ParseData struct {
Value string
ValName string
Keys []string
View
}

View File

@@ -1,6 +0,0 @@
package option
const (
ViewParamFunctName = "view.funcName"
ViewParamDescription = "view.description"
)

View File

@@ -1,27 +0,0 @@
package proto
import (
"gitoa.ru/go-4devs/config/definition"
)
const Kind = "proto"
func New(name, desc string, opt definition.Option, opts ...func(*Proto)) Proto {
pr := Proto{
Name: name,
Description: desc,
Option: opt,
}
return pr
}
type Proto struct {
Name string
Description string
Option definition.Option
}
func (p Proto) Kind() string {
return Kind
}

View File

@@ -1,76 +0,0 @@
package proto
import (
"fmt"
"io"
"strings"
"text/template"
"gitoa.ru/go-4devs/config/definition"
"gitoa.ru/go-4devs/config/definition/generate"
"gitoa.ru/go-4devs/config/definition/option"
)
func init() {
generate.MustAdd(Kind, handle)
}
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)
}
if viewOpt, ok := proto.Option.(option.Option); ok {
viewOpt = viewOpt.WithParams(
definition.Param{
Name: option.ViewParamFunctName,
Value: generate.FuncName(proto.Name) + generate.FuncName(viewOpt.Name),
},
definition.Param{
Name: option.ViewParamDescription,
Value: proto.Description + " " + viewOpt.Description,
},
)
return option.Handle(tpl)(w, data, viewOpt)
}
return fmt.Errorf("not support option type")
}
var tpl = template.Must(template.New("tpls").Funcs(template.FuncMap{"join": strings.Join}).Parse(templateOption))
var 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 {
{{if .HasDefault}}
{{$default := .Default}}
{{range .DefaultErrors}}
if errors.Is(err,{{.}}){
return {{$default}}
}
{{end}}
{{end}}
return v, fmt.Errorf("read {{.Keys}}:%w",err)
}
{{.Parse "val" "v" .Keys }}
}
// Read{{.FuncName}} {{.Description}}.
func (i {{.StructName}}) Read{{.FuncName}}(ctx context.Context, key string) ({{.Type}}, error) {
return i.read{{.FuncName}}(ctx, key)
}
// {{.FuncName}} {{.Description}}.
func (i {{.StructName}}) {{.FuncName}}({{if .Context}} ctx context.Context, {{end}} key string) {{.Type}} {
{{if not .Context}} ctx := context.Background() {{end}}
val, err := i.read{{.FuncName}}(ctx, key)
if err != nil {
i.log(ctx, "get {{.Keys}}: %v", err)
}
return val
}
`

View File

@@ -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")
)

51
go.mod
View File

@@ -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

320
go.sum
View File

@@ -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=
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github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
github.com/pascaldekloe/goe v0.1.0/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
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github.com/pierrec/lz4 v2.0.5+incompatible h1:2xWsjqPFWcplujydGg4WmhC/6fZqK42wMM8aXeqhl0I=
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github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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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=

15
key.go
View File

@@ -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
}

View File

@@ -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
}
}

View File

@@ -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)
}
}

View File

@@ -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)
}
}

View File

@@ -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

View File

@@ -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
}
}

View File

@@ -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
}

View File

@@ -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

View File

@@ -1,111 +0,0 @@
package etcd
import (
"context"
"fmt"
"strings"
"gitoa.ru/go-4devs/config"
"gitoa.ru/go-4devs/config/value"
pb "go.etcd.io/etcd/api/v3/mvccpb"
client "go.etcd.io/etcd/client/v3"
)
const (
Name = "etcd"
Separator = "/"
)
var (
_ config.Provider = (*Provider)(nil)
_ config.WatchProvider = (*Provider)(nil)
)
type Client interface {
client.KV
client.Watcher
}
func NewProvider(namespace, appName string, client Client) *Provider {
p := Provider{
client: client,
key: func(s ...string) string {
return strings.Join(s, Separator)
},
name: Name,
prefix: namespace + Separator + appName,
}
return &p
}
type Provider struct {
client Client
key func(...string) string
name string
prefix string
}
func (p *Provider) Name() string {
return p.name
}
func (p *Provider) Key(s []string) string {
return p.prefix + Separator + p.key(s...)
}
func (p *Provider) Value(ctx context.Context, path ...string) (config.Value, error) {
name := p.Key(path)
resp, err := p.client.Get(ctx, name, client.WithPrefix())
if err != nil {
return nil, fmt.Errorf("%w: key:%s, prov:%s", err, name, p.Name())
}
val, err := p.resolve(name, resp.Kvs)
if err != nil {
return nil, fmt.Errorf("%w: key:%s, prov:%s", err, name, p.Name())
}
return val, nil
}
func (p *Provider) Watch(ctx context.Context, callback config.WatchCallback, path ...string) error {
go func(ctx context.Context, key string, callback config.WatchCallback) {
watch := p.client.Watch(ctx, key, client.WithPrevKV(), client.WithPrefix())
for w := range watch {
kvs, olds := p.getEventKvs(w.Events)
if len(kvs) > 0 {
newVar, _ := p.resolve(key, kvs)
oldVar, _ := p.resolve(key, olds)
callback(ctx, oldVar, newVar)
}
}
}(ctx, p.Key(path), callback)
return nil
}
func (p *Provider) getEventKvs(events []*client.Event) ([]*pb.KeyValue, []*pb.KeyValue) {
kvs := make([]*pb.KeyValue, 0, len(events))
old := make([]*pb.KeyValue, 0, len(events))
for i := range events {
kvs = append(kvs, events[i].Kv)
old = append(old, events[i].PrevKv)
}
return kvs, old
}
func (p *Provider) resolve(key string, kvs []*pb.KeyValue) (config.Value, error) {
for _, kv := range kvs {
switch {
case kv == nil:
return nil, nil
case string(kv.Key) == key:
return value.JBytes(kv.Value), nil
}
}
return nil, fmt.Errorf("%w: name %s", config.ErrValueNotFound, key)
}

View File

@@ -1,115 +0,0 @@
package etcd_test
import (
"context"
"fmt"
"sync"
"sync/atomic"
"testing"
"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"
)
func TestProvider(t *testing.T) {
t.Parallel()
ctx := context.Background()
et, err := test.NewEtcd(ctx)
require.NoError(t, err)
provider := etcd.NewProvider("fdevs", "config", et)
read := []test.Read{
test.NewRead(test.DSN, "db_dsn"),
test.NewRead(12*time.Minute, "duration"),
test.NewRead(8080, "port"),
test.NewRead(true, "maintain"),
test.NewRead(test.Time("2020-01-02T15:04:05Z"), "start_at"),
test.NewRead(.064, "percent"),
test.NewRead(uint(2020), "count"),
test.NewRead(int64(2021), "int64"),
test.NewRead(int64(2022), "uint64"),
test.NewReadConfig("config"),
}
test.Run(t, provider, read)
}
func value(cnt int32) string {
return fmt.Sprintf("test data: %d", cnt)
}
func TestWatcher(t *testing.T) {
t.Parallel()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
key := "test_watch"
et, err := test.NewEtcd(ctx)
require.NoError(t, err)
defer func() {
_, err = et.KV.Delete(context.Background(), "fdevs/config/test_watch")
require.NoError(t, err)
}()
var cnt, cnt2 int32
prov := etcd.NewProvider("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) {
switch *cnt {
case 0:
assert.Equal(t, value(*cnt), newVar.String())
assert.Nil(t, oldVar)
case 1:
assert.Equal(t, value(*cnt), newVar.String())
assert.Equal(t, value(*cnt-1), oldVar.String())
case 2:
_, perr := newVar.ParseString()
assert.NoError(t, perr)
assert.Equal(t, "", newVar.String())
assert.Equal(t, value(*cnt-1), oldVar.String())
default:
assert.Fail(t, "unexpected watch")
}
wg.Done()
atomic.AddInt32(cnt, 1)
}
}
err = prov.Watch(ctx, watch(&cnt), key)
err = prov.Watch(ctx, watch(&cnt2), key)
require.NoError(t, err)
time.AfterFunc(time.Second, func() {
_, err = et.KV.Put(ctx, "fdevs/config/test_watch", value(0))
require.NoError(t, err)
_, err = et.KV.Put(ctx, "fdevs/config/test_watch", value(1))
require.NoError(t, err)
_, err = et.KV.Delete(ctx, "fdevs/config/test_watch")
require.NoError(t, err)
})
time.AfterFunc(time.Second*10, func() {
assert.Fail(t, "failed watch after 5 sec")
cancel()
})
go func() {
wg.Wait()
cancel()
}()
<-ctx.Done()
}

15
provider/ini/go.mod Normal file
View File

@@ -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
)

14
provider/ini/go.sum Normal file
View File

@@ -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=

View File

@@ -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)

View File

@@ -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"),

13
provider/json/go.mod Normal file
View File

@@ -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
)

10
provider/json/go.sum Normal file
View File

@@ -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=

View File

@@ -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

View File

@@ -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}
}

View File

@@ -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"),

15
provider/toml/go.mod Normal file
View File

@@ -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
)

14
provider/toml/go.sum Normal file
View File

@@ -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=

View File

@@ -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
}

View File

@@ -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{}

View File

@@ -1,119 +0,0 @@
package vault
import (
"context"
"encoding/json"
"fmt"
"log"
"strings"
"github.com/hashicorp/vault/api"
"gitoa.ru/go-4devs/config"
"gitoa.ru/go-4devs/config/value"
)
const (
Name = "vault"
Separator = "/"
Prefix = "secret/data/"
ValueName = "value"
)
var _ config.Provider = (*SecretKV2)(nil)
type SecretOption func(*SecretKV2)
func WithSecretResolve(f func(key []string) (string, string)) SecretOption {
return func(s *SecretKV2) { s.resolve = f }
}
func NewSecretKV2(namespace, appName string, client *api.Client, opts ...SecretOption) *SecretKV2 {
prov := SecretKV2{
client: client,
resolve: func(key []string) (string, string) {
keysLen := len(key)
if keysLen == 1 {
return "", key[0]
}
return strings.Join(key[:keysLen-1], Separator), key[keysLen-1]
},
name: Name,
prefix: Prefix + namespace + Separator + appName,
}
for _, opt := range opts {
opt(&prov)
}
return &prov
}
type SecretKV2 struct {
client *api.Client
resolve func(key []string) (string, string)
name string
prefix string
}
func (p *SecretKV2) Name() string {
return p.name
}
func (p *SecretKV2) Key(in []string) (string, string) {
path, val := p.resolve(in)
if path == "" {
return p.prefix, val
}
return p.prefix + Separator + path, val
}
func (p *SecretKV2) read(path, key string) (*api.Secret, error) {
secret, err := p.client.Logical().Read(path)
if err != nil {
return nil, err
}
if secret == nil && key != ValueName {
return p.read(path+Separator+key, ValueName)
}
return secret, err
}
func (p *SecretKV2) Value(ctx context.Context, key ...string) (config.Value, error) {
path, field := p.Key(key)
secret, err := p.read(path, field)
if err != nil {
return nil, fmt.Errorf("%w: path:%s, field:%s, provider:%s", err, path, field, p.Name())
}
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())
}
if len(secret.Warnings) > 0 {
return nil,
fmt.Errorf("%w: warn: %s, path:%s, field:%s, provider:%s", config.ErrValueNotFound, secret.Warnings, path, field, p.Name())
}
data, ok := secret.Data["data"].(map[string]interface{})
if !ok {
return nil, fmt.Errorf("%w: path:%s, field:%s, provider:%s", config.ErrValueNotFound, path, field, p.Name())
}
if val, ok := data[field]; ok {
return value.JString(fmt.Sprint(val)), nil
}
if val, ok := data[ValueName]; ok {
return value.JString(fmt.Sprint(val)), nil
}
md, err := json.Marshal(data)
if err != nil {
return nil, fmt.Errorf("%w: %w", config.ErrInvalidValue, err)
}
return value.JBytes(md), nil
}

View File

@@ -1,26 +0,0 @@
package vault_test
import (
"testing"
"time"
"github.com/stretchr/testify/require"
"gitoa.ru/go-4devs/config/provider/vault"
"gitoa.ru/go-4devs/config/test"
)
func TestProvider(t *testing.T) {
t.Parallel()
cl, err := test.NewVault()
require.NoError(t, err)
provider := vault.NewSecretKV2("fdevs", "config", cl)
read := []test.Read{
test.NewReadConfig("database"),
test.NewRead(test.DSN, "db", "dsn"),
test.NewRead(time.Minute, "db", "timeout"),
}
test.Run(t, provider, read)
}

View File

@@ -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
}

View File

@@ -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)
}

8
provider/yaml/go.mod Normal file
View File

@@ -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
)

6
provider/yaml/go.sum Normal file
View File

@@ -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=

View File

@@ -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)
}

View File

@@ -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"),

View File

@@ -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 {

30
test/assert/equal.go Normal file
View File

@@ -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
}

15
test/assert/nil.go Normal file
View File

@@ -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
}

View File

@@ -1,46 +0,0 @@
package test
import (
"context"
"os"
"time"
client "go.etcd.io/etcd/client/v3"
)
func NewEtcd(ctx context.Context) (*client.Client, error) {
dsn, ok := os.LookupEnv("FDEVS_CONFIG_ETCD_HOST")
if !ok {
dsn = "127.0.0.1:2379"
}
et, err := client.New(client.Config{
Endpoints: []string{dsn},
DialTimeout: time.Second,
})
if err != nil {
return nil, err
}
values := map[string]string{
"fdevs/config/db_dsn": "pgsql://user@pass:127.0.0.1:5432",
"fdevs/config/duration": "12m",
"fdevs/config/port": "8080",
"fdevs/config/maintain": "true",
"fdevs/config/start_at": "2020-01-02T15:04:05Z",
"fdevs/config/percent": "0.064",
"fdevs/config/count": "2020",
"fdevs/config/int64": "2021",
"fdevs/config/uint64": "2022",
"fdevs/config/config": ConfigJSON,
}
for name, val := range values {
_, err = et.KV.Put(ctx, name, val)
if err != nil {
return nil, err
}
}
return et, nil
}

View File

@@ -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
}

View File

@@ -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
}

View File

@@ -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
}

View File

@@ -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
}

28
test/require/equal.go Normal file
View File

@@ -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()
}

23
test/require/error.go Normal file
View File

@@ -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()
}
}

9
test/require/fail.go Normal file
View File

@@ -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()
}

14
test/require/true.go Normal file
View File

@@ -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()
}
}

View File

@@ -1,89 +0,0 @@
package test
import (
"bytes"
"context"
"encoding/json"
"net/http"
"os"
"github.com/hashicorp/vault/api"
)
const token = "dev"
func NewVault() (*api.Client, error) {
address, ok := os.LookupEnv("VAULT_DEV_LISTEN_ADDRESS")
if !ok {
address = "http://127.0.0.1:8200"
}
tokenID, ok := os.LookupEnv("VAULT_DEV_ROOT_TOKEN_ID")
if !ok {
tokenID = token
}
cl, err := api.NewClient(&api.Config{
Address: address,
})
if err != nil {
return nil, err
}
cl.SetToken(tokenID)
values := map[string]map[string]interface{}{
"database": {
"duration": 1260000000000,
"enabled": true,
},
"db": {
"dsn": DSN,
"timeout": "60s",
},
"example": {
"dsn": DSN,
"timeout": "60s",
},
}
for name, val := range values {
if err := create(address, tokenID, name, val); err != nil {
return nil, err
}
}
return cl, nil
}
func create(host, token, path string, data map[string]interface{}) error {
type Req struct {
Data interface{} `json:"data"`
}
b, err := json.Marshal(Req{Data: data})
if err != nil {
return err
}
body := bytes.NewBuffer(b)
req, err := http.NewRequestWithContext(
context.Background(),
http.MethodPost,
host+"/v1/secret/data/fdevs/config/"+path,
body,
)
if err != nil {
return err
}
req.Header.Set("X-Vault-Token", token)
res, err := http.DefaultClient.Do(req)
if err != nil {
return err
}
return res.Body.Close()
}

View File

@@ -8,7 +8,7 @@ type Value interface {
ReadValue
ParseValue
UnmarshalValue
IsEquals(Value) bool
IsEquals(in Value) bool
}
type UnmarshalValue interface {

View File

@@ -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"
)

View File

@@ -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()
}