def process_the_list_of_tiers(step):
"""
Lettuce step. This function parses dataset to prepare each tier data.
Tiers list will be returned with the tiers parsed from dataset
:param step: Lettuce step with all data about tiers
:return: List of processed tiers from step data
"""
tier_list = list()
for row in step.hashes:
data = dataset_utils.prepare_data(row)
tier = Tier(data.get(NAME), world.config[PAAS][TIER_IMAGE])
tier.parse_and_add_products(data.get(PRODUCTS))
if TIER_REQUEST_IMAGE in data:
tier.tier_image = data.get(TIER_REQUEST_IMAGE)
if TIER_REQUEST_REGION in data:
tier.region = data.get(TIER_REQUEST_REGION)
# For each product, check if there are defined attributes
for paas_product_with_attributes in world.paas_product_list_with_attributes:
for attribute in paas_product_with_attributes['attributes']:
attribute_type = attribute['type'] if 'type' in attribute else None
tier.add_attribute_to_product(paas_product_with_attributes['name'], attribute['key'],
attribute['value'], attribute_type)
tier.parse_and_add_networks(data.get(NETWORKS))
tier_list.append(tier)
return tier_list
