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from opendc.models.model import Model
from opendc.models.object import Object
from opendc.models.tile import Tile
class Rack(Model):
JSON_TO_PYTHON_DICT = {
'rack': {
'id': 'id',
'name': 'name',
'capacity': 'capacity',
'powerCapacityW': 'power_capacity_w',
'topologyId': 'topology_id'
}
}
PATH = '/v1/tiles/{tileId}/rack'
TABLE_NAME = 'racks'
COLUMNS = ['id', 'name', 'capacity', 'power_capacity_w', 'topology_id']
COLUMNS_PRIMARY_KEY = ['id']
@classmethod
def from_tile_id(cls, tile_id):
"""Get a Rack from the ID of the Tile it's on."""
tile = Tile.from_primary_key((tile_id,))
if not tile.exists():
return Rack(id=-1)
return cls.from_primary_key((tile.object_id,))
def google_id_has_at_least(self, google_id, authorization_level):
"""Return True if the user has at least the given auth level over this Rack."""
# Get the Tile
try:
tile = Tile.query('object_id', self.id)[0]
except:
return False
# Check the Tile's Authorization
return tile.google_id_has_at_least(google_id, authorization_level)
def insert(self):
"""Insert a Rack by first inserting an object."""
obj = Object(type='RACK')
obj.insert()
self.id = obj.id
self.insert_with_id(is_auto_generated=False)
def delete(self):
"""Delete a Rack by deleting its associated object."""
obj = Object.from_primary_key((self.id,))
obj.delete()
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