GenerateTiers processes the given metadata and files, generates TierTemplates and NSTemplateTiers, and ensures them via the provided EnsureObject function.

BasedOnTier defines which tier is supposed to be reused and which parameters should be modified An example: from: base parameters: - name: IDLER_TIMEOUT_SECONDS value: 43200 Which defines that for creating baseextendedidling tier the base tier should be used and the parameter IDLER_TIMEOUT_SECONDS should be set to 43200.