refactor(routes): simplify route exclusion check and health check defaults

internal/route/fileserver.go

@@ -24,6 +24,8 @@ type (
 	}
 )
 
+var _ types.FileServerRoute = (*FileServer)(nil)
+
 func handler(root string) http.Handler {
 	return http.FileServer(http.Dir(root))
 }
@@ -91,16 +93,12 @@ func (s *FileServer) Start(parent task.Parent) gperr.Error {
 	}
 
 	if s.UseHealthCheck() {
-		s.HealthMon = monitor.NewFileServerHealthMonitor(s.HealthCheck, s.Root)
+		s.HealthMon = monitor.NewMonitor(s)
 		if err := s.HealthMon.Start(s.task); err != nil {
 			return err
 		}
 	}
 
-	if s.ShouldExclude() {
-		return nil
-	}
-
 	routes.HTTP.Add(s)
 	s.task.OnFinished("remove_route_from_http", func() {
 		routes.HTTP.Del(s)
@@ -108,6 +106,10 @@ func (s *FileServer) Start(parent task.Parent) gperr.Error {
 	return nil
 }
 
+func (s *FileServer) RootPath() string {
+	return s.Root
+}
+
 // ServeHTTP implements http.Handler.
 func (s *FileServer) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	s.handler.ServeHTTP(w, req)

internal/route/provider/provider.go

@@ -224,10 +224,13 @@ func (p *Provider) startRoute(parent task.Parent, r *route.Route) gperr.Error {
 		p.lockDeleteRoute(r.Alias)
 		return err.Subject(r.Alias)
 	}
+
 	p.lockAddRoute(r)
-	r.Task().OnCancel("remove_route_from_provider", func() {
-		p.lockDeleteRoute(r.Alias)
-	})
+	if !r.ShouldExclude() {
+		r.Task().OnCancel("remove_route_from_provider", func() {
+			p.lockDeleteRoute(r.Alias)
+		})
+	}
 	return nil
 }
 

internal/route/reverse_proxy.go

@@ -137,10 +137,6 @@ func (r *ReveseProxyRoute) Start(parent task.Parent) gperr.Error {
 		}
 	}
 
-	if r.ShouldExclude() {
-		return nil
-	}
-
 	if r.UseLoadBalance() {
 		r.addToLoadBalancer(parent)
 	} else {

internal/route/route.go

@@ -378,7 +378,8 @@ func (r *Route) start(parent task.Parent) gperr.Error {
 	defer close(r.started)
 
 	// skip checking for excluded routes
-	if !r.ShouldExclude() {
+	excluded := r.ShouldExclude()
+	if !excluded {
 		if err := checkExists(r); err != nil {
 			return err
 		}
@@ -388,8 +389,10 @@ func (r *Route) start(parent task.Parent) gperr.Error {
 		docker.SetDockerHostByContainerID(cont.ContainerID, cont.DockerHost)
 	}
 
-	if err := r.impl.Start(parent); err != nil {
-		return err
+	if !excluded {
+		if err := r.impl.Start(parent); err != nil {
+			return err
+		}
 	}
 	return nil
 }
@@ -577,30 +580,10 @@ func (r *Route) IsZeroPort() bool {
 }
 
 func (r *Route) ShouldExclude() bool {
-	if r.valErr.Get() != nil {
+	if r.ExcludedReason != ExcludedReasonNone {
 		return true
 	}
-	if r.Excluded {
-		return true
-	}
-	if r.Container != nil {
-		switch {
-		case r.Container.IsExcluded:
-			return true
-		case r.IsZeroPort() && !r.UseIdleWatcher():
-			return true
-		case !r.Container.IsExplicit && docker.IsBlacklisted(r.Container):
-			return true
-		case strings.HasPrefix(r.Container.ContainerName, "buildx_"):
-			return true
-		}
-	} else if r.IsZeroPort() && r.Scheme != route.SchemeFileServer {
-		return true
-	}
-	if strings.HasSuffix(r.Alias, "-old") {
-		return true
-	}
-	return false
+	return r.findExcludedReason() != ExcludedReasonNone
 }
 
 type ExcludedReason uint8

internal/route/stream.go

@@ -69,10 +69,6 @@ func (r *StreamRoute) Start(parent task.Parent) gperr.Error {
 		}
 	}
 
-	if r.ShouldExclude() {
-		return nil
-	}
-
 	r.ListenAndServe(r.task.Context(), nil, nil)
 	r.l = r.l.With().Stringer("rurl", r.ProxyURL).Stringer("laddr", r.LocalAddr()).Logger()
 	r.l.Info().Msg("stream started")

internal/types/routes.go

@@ -52,6 +52,10 @@ type (
 		HTTPRoute
 		ReverseProxy() *reverseproxy.ReverseProxy
 	}
+	FileServerRoute interface {
+		HTTPRoute
+		RootPath() string
+	}
 	StreamRoute interface {
 		Route
 		nettypes.Stream

internal/watcher/health/monitor/monitor.go

@@ -51,8 +51,10 @@ func NewMonitor(r types.Route) types.HealthMonCheck {
 		mon = NewAgentProxiedMonitor(r.GetAgent(), r.HealthCheckConfig(), AgentTargetFromURL(&r.TargetURL().URL))
 	} else {
 		switch r := r.(type) {
-		case types.HTTPRoute:
+		case types.ReverseProxyRoute:
 			mon = NewHTTPHealthMonitor(&r.TargetURL().URL, r.HealthCheckConfig())
+		case types.FileServerRoute:
+			mon = NewFileServerHealthMonitor(r.HealthCheckConfig(), r.RootPath())
 		case types.StreamRoute:
 			mon = NewRawHealthMonitor(&r.TargetURL().URL, r.HealthCheckConfig())
 		default:
@@ -71,15 +73,9 @@ func NewMonitor(r types.Route) types.HealthMonCheck {
 	return mon
 }
 
-func newMonitor(u *url.URL, config *types.HealthCheckConfig, healthCheckFunc HealthCheckFunc) *monitor {
-	if config.Retries == 0 {
-		if config.Interval == 0 {
-			config.Interval = common.HealthCheckIntervalDefault
-		}
-		config.Retries = int64(common.HealthCheckDownNotifyDelayDefault / config.Interval)
-	}
+	cfg.ApplyDefaults(config.DefaultConfig().Defaults.HealthCheck)
 	mon := &monitor{
-		config:      config,
+		config:      cfg,
 		checkHealth: healthCheckFunc,
 		startTime:   time.Now(),
 		notifyFunc:  notif.Notify,