feat: use wire

common/starter/starter.go

@@ -0,0 +1,48 @@
+package starter
+
+import "github.com/hashicorp/go-multierror"
+
+type Starter interface {
+	Start() error
+	Close() error
+}
+
+type Group struct {
+	Starters []Starter
+}
+
+func NewGroup(starters ...Starter) *Group {
+	return &Group{
+		Starters: starters,
+	}
+}
+
+func (g *Group) Add(starter Starter) {
+	g.Starters = append(g.Starters, starter)
+}
+
+func (g *Group) Clear(len int) {
+	g.Starters = nil
+}
+
+func (g *Group) Start() error {
+	for _, starter := range g.Starters {
+		if err := starter.Start(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (g *Group) Close() error {
+	var errs error
+	for i := len(g.Starters) - 1; i >= 0; i-- {
+		if err := g.Starters[i].Close(); err != nil {
+			errs = multierror.Append(errs, err)
+		}
+	}
+	if errs != nil {
+		return errs
+	}
+	return nil
+}