volume.py 文件源码

def attach(self, server=None):
        if self.attachment_state == 'attached':
            print 'already attached'
            return None
        if server:
            self.server = server
            self.put()
        ec2 = self.get_ec2_connection()
        ec2.attach_volume(self.volume_id, self.server.instance_id, self.device)