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nixpkgs/nixos/tests/pgbouncer.nix
Wolfgang Walther 41c5662cbe
nixos/postgresql: move postStart into separate unit
This avoids restarting the postgresql server, when only ensureDatabases
or ensureUsers have been changed. It will also allow to properly wait
for recovery to finish later.

To wait for "postgresql is ready" in other services, we now provide a
postgresql.target.

Resolves #400018

Co-authored-by: Marcel <me@m4rc3l.de>
2025-06-24 15:26:47 +02:00

60 lines
1.6 KiB
Nix

{ lib, pkgs, ... }:
{
name = "pgbouncer";
meta = with lib.maintainers; {
maintainers = [ _1000101 ];
};
nodes = {
one =
{ pkgs, ... }:
{
systemd.services.postgresql-setup = {
postStart = ''
${pkgs.postgresql}/bin/psql -U postgres -c "ALTER ROLE testuser WITH LOGIN PASSWORD 'testpass'";
${pkgs.postgresql}/bin/psql -U postgres -c "ALTER DATABASE testdb OWNER TO testuser;";
'';
};
services = {
postgresql = {
enable = true;
ensureDatabases = [ "testdb" ];
ensureUsers = [ { name = "testuser"; } ];
authentication = ''
local testdb testuser scram-sha-256
'';
};
pgbouncer = {
enable = true;
openFirewall = true;
settings = {
pgbouncer = {
listen_addr = "localhost";
auth_type = "scram-sha-256";
auth_file = builtins.toFile "pgbouncer-users.txt" ''
"testuser" "testpass"
'';
};
databases = {
test = "host=/run/postgresql port=5432 auth_user=testuser dbname=testdb";
};
};
};
};
};
};
testScript = ''
start_all()
one.wait_for_unit("default.target")
one.require_unit_state("pgbouncer.service", "active")
# Test if we can make a query through PgBouncer
one.wait_until_succeeds(
"psql 'postgres://testuser:testpass@localhost:6432/test' -c 'SELECT 1;'"
)
'';
}