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Chapter 2. Role-Based Parameters

Substitute _ROLE_ with the name of the role. For example, for _ROLE_Count use ControllerCount.



The number of nodes to deploy in a role.


Role specific additional hiera configuration to inject into the cluster.


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%


Optional Role Specific parameters to be provided to service.


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


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


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