“ERREUR: Impossible de trouver une correspondance: CentOS-Release-Openstack-Queens” Réponses codées

ERREUR: Impossible de trouver une correspondance: CentOS-Release-Openstack-Queens

sudo yum install -y https://rdoproject.org/repos/rdo-release.rpm

sudo yum install centos-release-openstack-stein
sudo yum-config-manager --enable openstack-stein
sudo yum update
sudo yum install -y openstack-packstack