---
upgrade:
  - |
    The deprecated parameters ceilometer::rabbit_host, ceilometer::rabbit_hosts, ceilometer::rabbit_password,
    ceilometer::rabbit_port, ceilometer::rabbit_userid and ceilometer::rabbit_virtual_host is removed.
    Please use ceilometer::default_transport_url instead.
  - |
    The deprecated parameter ceilometer::rpc_backend is removed.
  - |
    The deprecated parameter ceilometer::alarm_history_time_to_live is removed.
    Please configure this in Aodh instead.
  - |
    The deprecated parameter ceilometer::memcached_servers is removed.
    Please use ceilometer::memcache_servers instead.