fix!: chaos consistency (deploy/undeploy/rollback/upgrade)

See coop-cloud/organising#559

--chaos for rollback/upgrade goes away.

cli/updater/updater.go

@@ -253,20 +253,20 @@ func getLatestUpgrade(cl *dockerclient.Client, stackName string, recipeName stri
 func getDeployedVersion(cl *dockerclient.Client, stackName string, recipeName string) (string, error) {
 	log.Debugf("retrieve deployed version whether %s is already deployed", stackName)
 
-	isDeployed, deployedVersion, err := stack.IsDeployed(context.Background(), cl, stackName)
+	deployMeta, err := stack.IsDeployed(context.Background(), cl, stackName)
 	if err != nil {
 		return "", err
 	}
 
-	if !isDeployed {
+	if !deployMeta.IsDeployed {
 		return "", fmt.Errorf("%s is not deployed?", stackName)
 	}
 
-	if deployedVersion == "unknown" {
+	if deployMeta.Version == "unknown" {
 		return "", fmt.Errorf("failed to determine deployed version of %s", stackName)
 	}
 
-	return deployedVersion, nil
+	return deployMeta.Version, nil
 }
 
 // getAvailableUpgrades returns all available versions of an app that are newer