@Avtar, some queries and suggestion below:-
1) how you installed magnum?
2) Can you check your magnum.conf [keystone_authtoken] section contains admin_user, admin_password and admin_tenant_name, If they are not present add them and try again after restarting magnum services.
@Avtar, some queries and suggestion below:- authtoken] section contains admin_user, admin_password and admin_tenant_name, If they are not present add them and try again after restarting magnum services.
1) how you installed magnum?
2) Can you check your magnum.conf [keystone_