add backend tpl

backend_v1/pkg/container/container.go

@@ -0,0 +1,75 @@
+package container
+
+import (
+	"context"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"git.ipao.vip/rogeecn/mp-qvyun/pkg/opt"
+	"github.com/spf13/viper"
+	"go.uber.org/dig"
+)
+
+var (
+	Container *dig.Container = dig.New()
+	Cancel    context.CancelFunc
+	closeable []func()
+)
+
+func init() {
+	closeable = make([]func(), 0)
+
+	if err := Container.Provide(func() context.Context {
+		signals := []os.Signal{syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT, syscall.SIGKILL}
+		ctx, cancel := signal.NotifyContext(context.Background(), signals...)
+		go func() {
+			<-ctx.Done()
+			go time.AfterFunc(time.Second*5, func() {
+				os.Exit(1)
+			})
+			Close()
+			Cancel()
+		}()
+		Cancel = cancel
+		return ctx
+	}); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func AddCloseAble(c func()) {
+	closeable = append(closeable, c)
+}
+
+func Close() {
+	for _, c := range closeable {
+		c()
+	}
+}
+
+type ProviderContainer struct {
+	Provider func(...opt.Option) error
+	Options  []opt.Option
+}
+
+type Providers []ProviderContainer
+
+func (p Providers) With(pcs ...Providers) Providers {
+	for _, pc := range pcs {
+		p = append(p, pc...)
+	}
+	return p
+}
+
+func (p Providers) Provide(config *viper.Viper) error {
+	for _, provider := range p {
+		provider.Options = append(provider.Options, opt.Config(config))
+		if err := provider.Provider(provider.Options...); err != nil {
+			return err
+		}
+	}
+	return nil
+}