idlewatcher/waker: refactor

internal/docker/idlewatcher/container.go

@@ -7,6 +7,17 @@ import (
 	"github.com/docker/docker/api/types/container"
 )
 
+type (
+	containerMeta struct {
+		ContainerID, ContainerName string
+	}
+	containerState struct {
+		running bool
+		ready   bool
+		err     error
+	}
+)
+
 func (w *Watcher) containerStop(ctx context.Context) error {
 	return w.client.ContainerStop(ctx, w.ContainerID, container.StopOptions{
 		Signal:  string(w.StopSignal),

internal/docker/idlewatcher/waker.go

@@ -134,6 +134,10 @@ func (w *Watcher) checkUpdateState() (ready bool, err error) {
 		return true, nil
 	}
 
+	if !w.running() {
+		return false, nil
+	}
+
 	if w.metric != nil {
 		defer w.metric.Set(float64(w.Status()))
 	}

internal/docker/idlewatcher/watcher.go

@@ -37,14 +37,6 @@ type (
 		lastReset    time.Time
 		task         *task.Task
 	}
-	containerMeta struct {
-		ContainerID, ContainerName string
-	}
-	containerState struct {
-		running bool
-		ready   bool
-		err     error
-	}
 
 	StopCallback func() error
 )