Chapter 2. Role-Based Parameters

_ROLE_Count

The number of nodes to deploy in a role.

_ROLE_HostnameFormat

Format for node hostnames. Note that %index% is translated into the index of the node (e.g 0/1/2) and %stackname% is replaced with the stack name (e.g overcloud). The default value is: %stackname%-_ROLE_-%index%

_ROLE_RemovalPolicies

List of resources to be removed from the role’s ResourceGroup when doing an update that requires removal of specific resources.

_ROLE_SchedulerHints

Optional scheduler hints to pass to OpenStack Compute (nova).

_ROLE_Services

A list of service resources (configured in the Heat resource_registry) which represent nested stacks for each service that should get installed on the ROLE role.