monitor a good

Former-commit-id: 5a37bfdfe208d3d1a71e6b4924209d0c8e6f53a0

config/config.go

@@ -1,6 +1,7 @@
 package config
 
 import (
+	"context"
 	"fmt"
 	"local/storage"
 	"sync"
@@ -17,6 +18,8 @@ type Config struct {
 	Username         string
 	Password         string
 	DefaultNamespace string
+	Ctx              context.Context
+	Can              context.CancelFunc
 }
 
 func Values() Config {

config/new.go

@@ -1,6 +1,7 @@
 package config
 
 import (
+	"context"
 	"local/args"
 	"local/storage"
 	"os"
@@ -17,6 +18,7 @@ func New() error {
 	if err := as.Parse(); err != nil {
 		return err
 	}
+	ctx, can := context.WithCancel(context.Background())
 	config = Config{
 		db:               as.Get("db").GetString(),
 		Addr:             as.Get("addr").GetString(),
@@ -24,6 +26,8 @@ func New() error {
 		Password:         as.Get("pass").GetString(),
 		Port:             as.Get("port").GetString(),
 		DefaultNamespace: as.Get("ns").GetString(),
+		Ctx:              ctx,
+		Can:              can,
 	}
 	storage.DefaultNamespace = config.DefaultNamespace
 	DB, err := storage.New(storage.TypeFromString(config.db), config.Addr, config.Username, config.Password)