Hi!
Cumin on labspuppetmaster does't work anymore for projects migrated to eqiad1-r since its config.yaml file is not correct (region_name needs to be changed). As interim solution I am using cumin -c myconfig.yaml and everything works fine (thanks to @Volans for the solution) but it would be great to fix it (eventually when all projects are migrated) and let people know about the issue :)