Run as bundle exec ruby app.rb -sv

Create table with: create table users ( account_id varchar(255) not null, group_id varchar(255) not null, keystone_user varchar(255) not null, keystone_pass varchar(255) not null, unique key uid_gid_uniq (account_id, group_id), unique key name_uniq (keystone_user) );

Ask for token: curl -H "Content-Type: application/json" -d '{"group_id": "100", "account_id": "1001"}' http://localhost:9000/api/keystone/token