Openstack

What does it mean

barbican              REST API designed for the secure storage, provisioning and management of secrets such as passwords, encryption keys and X.509
cinder                OpenStack Block Storage
gnocchi               Time Series Database as a Service
glance                OpenStack Image Service
heat                  Deploy instances, volumes and other OpenStack services using YAML based templates.
horizon               Openstack’s Dashboard, which provides a web based user interface to OpenStack services
ironic                bootstrap
keystone              identity service 
neutron               networking as a service
octavia               Load balancer
swift                 OpenStack Object Storage

bash completion

. <(openstack complete 2>/dev/null )

list volumes

openstack volume list

output

-f csv,json,table,value,yaml