Alistair Coles 29414ab146 Allow internal container POSTs to not update put_timestamp ...

There may be circumstances when an internal client wishes to modify
container sysmeta that is hidden from the user. It is desirable that
this happens without modifying the put-timestamp and therefore the
last-modified time that is reported in responses to client HEADs and
GETs.

This patch modifies the container server so that a POST will not
update the container put_timestamp if an X-Backend-No-Timestamp-Update
header is included with the request and has a truthy value.

Note: there are already circumstances in which container sysmeta is
modified without changing the put_timestamp:

 - PUT requests with shard range content do not update put_timestamp.
 - the sharder updates sysmeta directly via the ContainerBroker without
   modifying put_timestamp.

Change-Id: I835b2dd58bc1d4fb911629e4da2ea4b9697dd21b

2023-03-20 11:41:27 +00:00

11 KiB

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