Config interface change (#2010)

config/config.go

@@ -2,49 +2,41 @@
 package config
 
 import (
-	"context"
-
-	"github.com/micro/go-micro/v3/config/loader"
-	"github.com/micro/go-micro/v3/config/reader"
-	"github.com/micro/go-micro/v3/config/source"
+	"time"
 )
 
 // Config is an interface abstraction for dynamic configuration
 type Config interface {
-	// provide the reader.Values interface
-	reader.Values
-	// Init the config
-	Init(opts ...Option) error
-	// Options in the config
-	Options() Options
-	// Stop the config loader/watcher
-	Close() error
-	// Load config sources
-	Load(source ...source.Source) error
-	// Force a source changeset sync
-	Sync() error
-	// Watch a value for changes
-	Watch(path ...string) (Watcher, error)
+	Get(path string, options ...Option) Value
+	Set(path string, val interface{}, options ...Option)
+	Delete(path string, options ...Option)
 }
 
-// Watcher is the config watcher
-type Watcher interface {
-	Next() (reader.Value, error)
-	Stop() error
+// Value represents a value of any type
+type Value interface {
+	Exists() bool
+	Bool(def bool) bool
+	Int(def int) int
+	String(def string) string
+	Float64(def float64) float64
+	Duration(def time.Duration) time.Duration
+	StringSlice(def []string) []string
+	StringMap(def map[string]string) map[string]string
+	Scan(val interface{}) error
+	Bytes() []byte
 }
 
 type Options struct {
-	Loader loader.Loader
-	Reader reader.Reader
-	Source []source.Source
-
-	// for alternative data
-	Context context.Context
+	// Is the value being read a secret?
+	// If true, the Config will try to decode it with `SecretKey`
+	Secret bool
 }
 
+// Option sets values in Options
 type Option func(o *Options)
 
-// NewConfig returns new config
-func NewConfig(opts ...Option) (Config, error) {
-	return newConfig(opts...)
+func Secret(isSecret bool) Option {
+	return func(o *Options) {
+		o.Secret = isSecret
+	}
 }