Error: No sql_connection parameter is established when creating instances on openstack pike devstack
问题 I've successfully installed Openstack Devstack pike on my Ubuntu 16.04 by following this link: https://www.mirantis.com/blog/how-to-install-openstack-on-your-local-machine-using-devstack/. when i tried to create an instance i got No sql_connection parameter is established as an error. I've checked /etc/nova/nova.conf and database configuration was as following: [database] connection = mysql+pymysql://root:mypassword@127.0.0.1/nova_cell0?charset=utf8 [api_database] connection = mysql+pymysql:/