Description =========== The following roles are used in the deployment of the OpenStack Compute service **Nova** as part of the OpenStack **Essex** reference deployment using Chef. Dependency Roles ================ base ---- Every Nova role depends on the `base` role included in the repository to ensure essential services (ntp, openssh, etc.). mysql-master ------------ roles and underlying recipes providing database services through MySQL required for Nova (and Keystone, Glance and Horizon). rabbitmq-server --------------- roles and underlying recipes providing messaging services through RabbitMQ required for Nova (and Glance). os-database ----------- expose and provide the attributes used for configuring Nova's database. os-network ---------- expose and provide the attributes used for configuring and defining Nova's network. Nova Roles ========== allinone -------- single-compute -------------- single-controller ----------------- nova-scheduler -------------- nova-api-ec2 ------------ nova-os-compute --------------- nova-vncproxy ------------- nova-volume -----------