volume.py 文件源码

def detach(self, force=False):
        state = self.attachment_state
        if state == 'available' or state == None or state == 'detaching':
            print 'already detached'
            return None
        ec2 = self.get_ec2_connection()
        ec2.detach_volume(self.volume_id, self.server.instance_id, self.device, force)
        self.server = None
        self.put()