Set run

manager.go

@@ -2,6 +2,7 @@ package curre
 
 import (
 	"context"
+	"os"
 	"sync"
 )
 
@@ -27,6 +28,35 @@ func NewManager() *Manager {
 	}
 }
 
+func (m *Manager) Run(ctx context.Context) error {
+	m.initLifetime()
+	err := m.init(ctx)
+	if err != nil {
+		return err
+	}
+
+	err = m.start(ctx)
+	if err != nil {
+		return err
+	}
+
+	err = m.wait(ctx)
+	if err != nil {
+		return err
+	}
+
+	err = m.shutdown(ctx)
+	if err != nil {
+		return err
+	}
+
+	if m.exitCode != 0 {
+		os.Exit(m.exitCode)
+	}
+
+	return nil
+}
+
 func (m *Manager) Register(components ...Component) *Manager {
 	if m.started {
 		panic("cannot register to a started manager")
@@ -37,7 +67,7 @@ func (m *Manager) Register(components ...Component) *Manager {
 	return m
 }
 
-func (m *Manager) Init(ctx context.Context) error {
+func (m *Manager) init(ctx context.Context) error {
 	if m.started {
 		panic("cannot reinit a started manager")
 	}
@@ -54,7 +84,7 @@ func (m *Manager) Init(ctx context.Context) error {
 	return nil
 }
 
-func (m *Manager) Start(ctx context.Context) error {
+func (m *Manager) start(ctx context.Context) error {
 	for _, c := range m.components {
 		go m.startComponent(ctx, c)
 	}
@@ -92,13 +122,13 @@ func (m *Manager) initLifetime() {
 	}()
 }
 
-func (m *Manager) Wait(ctx context.Context) error {
+func (m *Manager) wait(ctx context.Context) error {
 	exitCode := <-m.exitChan
 	m.exitCode = exitCode
 	return nil
 }
 
-func (m *Manager) Shutdown(ctx context.Context) error {
+func (m *Manager) shutdown(ctx context.Context) error {
 	shutdownChan := make(chan struct{}, 1)
 	closers := m.getClosers(ctx)