feature(worker): implemented mirror role (master/slave) option

worker/provider.go

@@ -44,6 +44,7 @@ type mirrorProvider interface {
 	WorkingDir() string
 	LogDir() string
 	LogFile() string
+	IsMaster() bool
 
 	// enter context
 	EnterContext() *Context
@@ -59,6 +60,7 @@ type baseProvider struct {
 	ctx      *Context
 	name     string
 	interval time.Duration
+	isMaster bool
 
 	cmd       *cmdJob
 	isRunning atomic.Value
@@ -92,6 +94,10 @@ func (p *baseProvider) Interval() time.Duration {
 	return p.interval
 }
 
+func (p *baseProvider) IsMaster() bool {
+	return p.isMaster
+}
+
 func (p *baseProvider) WorkingDir() string {
 	if v, ok := p.ctx.Get(_WorkingDirKey); ok {
 		if s, ok := v.(string); ok {