--- /dev/null
+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
\ No newline at end of file