+{% for role in roles %}
+ {{role.name}}Servers:
+ type: OS::Heat::Value
+ depends_on: {{role.name}}
+ properties:
+ type: json
+ value:
+ yaql:
+ expression: let(servers=>switch(isDict($.data.servers) => $.data.servers, true => {})) -> $servers.deleteAll($servers.keys().where($servers[$] = null))
+ data:
+ servers: {get_attr: [{{role.name}}, attributes, nova_server_resource]}
+{% endfor %}
+
+ # This resource just creates a dict out of the DeploymentServerBlacklist,
+ # which is a list. The dict is used in the role templates to set a condition
+ # on whether to create the deployment resources. We can't use the list
+ # directly because there is no way to ask Heat if a list contains a specific
+ # value.
+ DeploymentServerBlacklistDict:
+ type: OS::Heat::Value
+ properties:
+ type: json
+ value:
+ map_merge:
+ repeat:
+ template:
+ hostname: 1
+ for_each:
+ hostname: {get_param: DeploymentServerBlacklist}
+