Refactor ResourceGroup._get_batches() to be much, much simpler
Previous changes to the way the templates are generated allow us to simplify this method without changing any behaviour. Change-Id: Ibd1a7b1641164b1d83b7286ddefd2393207381c1 Partially-Implements: blueprint scaling-group-common
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@ -508,9 +508,7 @@ class ResourceGroup(stack_resource.StackResource):
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raise ValueError(msg)
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return self.stack.timeout_secs() - total_pause_time
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def _get_batches(self, targ_cap, init_cap, batch_size, min_in_service):
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curr_cap = init_cap
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def _get_batches(self, targ_cap, curr_cap, batch_size, min_in_service):
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updated = 0
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while updated < targ_cap:
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@ -520,17 +518,10 @@ class ResourceGroup(stack_resource.StackResource):
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batch_size,
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min_in_service)
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if new_cap <= init_cap:
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# Don't ever update existing nodes that are beyond the size
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# of our target capacity, but continue to count them toward
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# the number in service
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high_water = targ_cap
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else:
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high_water = new_cap
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new_names = list(self._resource_names(high_water))
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new_names = list(self._resource_names(new_cap))
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num_created = max(new_cap - curr_cap, 0)
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create_names = new_names[high_water - num_created:]
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create_names = new_names[new_cap - num_created:]
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num_updates = total_new - max(new_cap - curr_cap, 0)
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upd_start = targ_cap - (updated + num_updates)
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