Bruce Momjian <bruce@momjian.us> wrote:
> On Thu, Aug 15, 2019 at 09:01:05PM -0400, Stephen Frost wrote:
> > * Bruce Momjian (bruce@momjian.us) wrote:
> > > Why would it not be simpler to have the cluster_passphrase_command run
> > > whatever command-line program it wants? If you don't want to use a
> > > shell command, create an executable and call that.
> >
> > Having direct integration with a KMS would certainly be valuable, and I
> > don't see a reason to deny users that option if someone would like to
> > spend time implementing it- in addition to a simpler mechanism such as a
> > passphrase command, which I believe is what was being suggested here.
>
> OK, I am just trying to see why we would not use the
> cluster_passphrase_command-like interface to do that.
One problem that occurs to me is that PG may need to send some sort of
credentials to the KMS. If it runs a separate process to execute the command,
it needs to pass those credentials to it. Whether it does so via parameters or
environment variables, both can be seen by other users.
--
Antonin Houska
Web: https://www.cybertec-postgresql.com