asg.py 文件源码

def get_snapshots(self, ec2, snap_ids):
        """get snapshots corresponding to id, but tolerant of missing."""
        while True:
            try:
                result = ec2.describe_snapshots(SnapshotIds=snap_ids)
            except ClientError as e:
                if e.response['Error']['Code'] == 'InvalidSnapshot.NotFound':
                    msg = e.response['Error']['Message']
                    e_snap_id = msg[msg.find("'") + 1:msg.rfind("'")]
                    self.log.warning("Snapshot not found %s" % e_snap_id)
                    snap_ids.remove(e_snap_id)
                    continue
                raise
            else:
                return result.get('Snapshots', ())