- hosts: all name: Pre-setup tasks tasks: - shell: cmd: | set -e set -x sudo mkdir -p ~stack/.ssh sudo cp ~root/.ssh/id_rsa.pub ~root/.ssh/id_rsa ~stack/.ssh sudo chmod 700 ~stack/.ssh sudo chown -R stack ~stack echo {{inventory_hostname}} | sudo tee /etc/devstack-host executable: /bin/bash roles: - multi-node-bridge