def get_decision_policy(name):
"""
Returns a decision policy matching the given name.
Decision policies determine the direction a service needs to be scaled in.
Each decision policy returns one of the following values:
-1: autoscale down
0: don't autoscale
1: autoscale up
"""
return get_autoscaling_component(name, DECISION_POLICY_KEY)
def get_forecast_policy(name):
"""
Returns a forecast policy matching the given name. Only used by decision policies that try to forecast load, like
the proportional decision policy.
"""
return get_autoscaling_component(name, FORECAST_POLICY_KEY)
def get_service_metrics_provider(name):
"""
Returns a service metrics provider matching the given name.
"""
return get_autoscaling_component(name, SERVICE_METRICS_PROVIDER_KEY)
