Re: PATCH: Configurable file mode mask

Michael Paquier <michael@paquier.xyz>

From: Michael Paquier <michael@paquier.xyz>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: David Steele <david@pgmasters.net>, Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, Alvaro Herrera <alvherre@alvh.no-ip.org>, Stephen Frost <sfrost@snowman.net>, Adam Brightwell <adam.brightwell@crunchydata.com>, Robert Haas <robertmhaas@gmail.com>, "Tsunakawa, Takayuki" <tsunakawa.takay@jp.fujitsu.com>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2018-03-14T01:27:04Z
Lists: pgsql-hackers
On Tue, Mar 13, 2018 at 01:28:17PM -0400, Tom Lane wrote:
> David Steele <david@pgmasters.net> writes:
>> On 3/12/18 3:28 AM, Michael Paquier wrote:
>>> In pg_rewind and pg_resetwal, isn't that also a portion which is not
>>> necessary without the group access feature?
> 
>> These seem like a good idea to me with or without patch 03.  Some of our
>> front-end tools (initdb, pg_upgrade) were setting umask and others
>> weren't.  I think it's more consistent (and safer) if they all do, at
>> least if they are writing into PGDATA.
> 
> +1 ... see a926eb84e for an example of how easy it is to screw up if
> the process's overall umask is permissive.

Okay.  A suggestion that I have here would be to split those extra calls
into a separate patch.  That's a useful self-contained improvement.
--
Michael

Commits

  1. Allow group access on PGDATA

  2. Refactor dir/file permissions

  3. Revert "Add basic TAP test setup for pg_upgrade"

  4. Add basic TAP test setup for pg_upgrade