On Tue, Jul 31, 2018 at 9:21 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
"Lu, Dan" <Dan.Lu@sig.com> writes: > Question: > Can <hostname> be a variable like `hostname` derived from Unix shell or I have to hardcode the name of the host like " include /nfs/global/postgres-host123.cnf
Nope, you'd have to hard-code it.
Of course, you could have the startup script that you intended to set the env variable just overwrite $PGDATA/postgresql.conf with the right thing.
Or have puppet/chef/ansible/etc. write the correct config file based on your dynamic data.
