fixup: from review feedback

Fix a logic error in ECS scale-down button, bad copy/paste in
ActiveControls() and neaten the switch cases in container controls.

Co-Authored-By: Filip Barl <filip@weave.works>

probe/awsecs/reporter.go

@@ -153,7 +153,7 @@ func (r Reporter) Tag(rpt report.Report) (report.Report, error) {
 			activeControls := []string{ScaleUp}
 			// Disable ScaleDown when only 1 task is desired, since
 			// scaling down to 0 would cause the service to disappear (#2085)
-			if service.DesiredCount < 1 {
+			if service.DesiredCount > 1 {
 				activeControls = append(activeControls, ScaleDown)
 			}
 			rpt.ECSService.AddNode(report.MakeNodeWith(serviceID, map[string]string{

probe/docker/container.go

@@ -391,13 +391,12 @@ func (c *container) getBaseNode() report.Node {
 
 // Return a slice including all controls that should be shown on this container
 func (c *container) controls() []string {
-	paused := c.container.State.Paused
 	switch {
-	case paused:
+	case c.container.State.Paused:
 		return []string{UnpauseContainer}
 	case c.container.State.Running:
 		return []string{RestartContainer, StopContainer, PauseContainer, AttachContainer, ExecContainer}
-	case !c.container.State.Running:
+	default:
 		return []string{StartContainer, RemoveContainer}
 	}
 	return nil

report/node.go

@@ -124,7 +124,7 @@ func (n Node) WithLatestActiveControls(cs ...string) Node {
 }
 
 // ActiveControls returns a string slice with the names of active controls.
-func (n Node) ActiveControls(cs ...string) []string {
+func (n Node) ActiveControls() []string {
 	activeControls, _ := n.Latest.Lookup(NodeActiveControls)
 	return strings.Split(activeControls, ScopeDelim)
 }