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doc/nixos/postgress: Streamline upgrade script

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We already need to set the package so no need to manually copy the schema version.
This commit is contained in:
Jan Tojnar 2022-10-26 15:05:13 +02:00
parent f540aeda6f
commit 0de7128deb
1 changed files with 6 additions and 5 deletions
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11
nixos/modules/services/databases/postgresql.xml
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@ -72,16 +72,17 @@ Type "help" for help.
{ config, pkgs, ... }: { config, pkgs, ... }:
{ {
<xref linkend="opt-environment.systemPackages" /> = [ <xref linkend="opt-environment.systemPackages" /> = [
(pkgs.writeScriptBin "upgrade-pg-cluster" '' (let
# XXX specify the postgresql package you'd like to upgrade to.
newPostgres = pkgs.postgresql_13;
in pkgs.writeScriptBin "upgrade-pg-cluster" ''
set -eux set -eux
# XXX it's perhaps advisable to stop all services that depend on postgresql # XXX it's perhaps advisable to stop all services that depend on postgresql
systemctl stop postgresql systemctl stop postgresql
# XXX replace `&lt;new version&gt;` with the psqlSchema here export NEWDATA="/var/lib/postgresql/${newPostgres.psqlSchema}"
export NEWDATA="/var/lib/postgresql/&lt;new version&gt;"
# XXX specify the postgresql package you'd like to upgrade to export NEWBIN="${newPostgres}/bin"
export NEWBIN="${pkgs.postgresql_13}/bin"
export OLDDATA="${config.<xref linkend="opt-services.postgresql.dataDir"/>}" export OLDDATA="${config.<xref linkend="opt-services.postgresql.dataDir"/>}"
export OLDBIN="${config.<xref linkend="opt-services.postgresql.package"/>}/bin" export OLDBIN="${config.<xref linkend="opt-services.postgresql.package"/>}/bin"