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import yaml
class DeploymentEnvironmentAdapter(object):
def __init__(self):
self.dea_struct = None
self.blade_ids = {}
self.blades = {}
self.shelf_ids = []
def parse_yaml(self, yaml_path):
with open(yaml_path) as yaml_file:
self.dea_struct = yaml.load(yaml_file)
self.collect_shelf_and_blade_info()
def get_no_of_blades(self):
no_of_blades = 0
for shelf in self.dea_struct['shelf']:
no_of_blades += len(shelf['blade'])
return no_of_blades
def get_server_type(self):
return self.dea_struct['server_type']
def get_environment_name(self):
return self.dea_struct['name']
def get_shelf_ids(self):
return self.shelf_ids
def get_blade_ids(self, shelf_id):
return self.blade_ids[shelf_id]
def collect_shelf_and_blade_info(self):
self.blade_ids = {}
self.blades = {}
self.shelf_ids = []
for shelf in self.dea_struct['shelf']:
self.shelf_ids.append(shelf['id'])
blade_ids = self.blade_ids[shelf['id']] = []
blades = self.blades[shelf['id']] = {}
for blade in shelf['blade']:
blade_ids.append(blade['id'])
blades[blade['id']] = blade
def is_controller(self, shelf_id, blade_id):
blade = self.blades[shelf_id][blade_id]
return (True if 'role' in blade and blade['role'] == 'controller'
else False)
def is_compute_host(self, shelf_id, blade_id):
blade = self.blades[shelf_id][blade_id]
return True if 'role' not in blade else False
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