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modules/services/postgresql.nix: add startScript option #70

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modules/services/postgresql.nix: add startScript option #70

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23 changes: 22 additions & 1 deletion modules/services/postgresql.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -129,6 +129,23 @@ in
'';
};

startScript = lib.mkOption {
type = lib.types.lines;
description = ''
PostgresSQL script to run on every startup.
'';
default = "";
};

earlyStartScript = lib.mkOption {
type = lib.types.lines;
description = ''
PostgresSQL script to run on every startup, very early.
'';
default = "";
};


ensureExtensions = lib.mkOption {
type = with lib.types; attrsOf (listOf str);
default = { };
Expand Down Expand Up @@ -405,12 +422,14 @@ in
chpst -u postgres:postgres ${cfg.package}/bin/postgres &
postgresql=$!

PSQL="chpst -u postgres:postgres ${cfg.package}/bin/psql --port=${cfg.port}"
PSQL="chpst -u postgres:postgres ${cfg.package}/bin/psql --port=${cfg.port} -X"
while ! $PSQL -d postgres -c "" 2> /dev/null ; do
if ! kill -0 "$postgresql"; then exit 1; fi
sleep 0.1
done

$PSQL -f "${pkgs.writeText "postgres-start-early.sql" cfg.earlyStartScript}"

${lib.concatMapStrings
(
{ database, options }:
Expand Down Expand Up @@ -465,6 +484,8 @@ in
rm -f "${cfg.dataDir}/.first_startup"
fi

$PSQL -f "${pkgs.writeText "postgres-start.sql" cfg.startScript}"

wait $postgresql
'';
# END Copyright (c) 2003-2021 Eelco Dolstra and the Nixpkgs/NixOS contributors
Expand Down