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nixos/postgresql-backup: do not enable assertions when module is disabled (#437168)

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Sandro
2025-08-26 21:55:52 +02:00
committed by GitHub
parent c7756dd0b3 d7fbdf54e1
commit 3bc0bc33c3
1 changed files with 40 additions and 37 deletions
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77
nixos/modules/services/backup/postgresql-backup.nix
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@@ -152,45 +152,48 @@ in
};
config = lib.mkMerge [
{
assertions = [
{
assertion = cfg.backupAll -> cfg.databases == [ ];
message = "config.services.postgresqlBackup.backupAll cannot be used together with config.services.postgresqlBackup.databases";
}
{
assertion =
cfg.compression == "none"
|| (cfg.compression == "gzip" && cfg.compressionLevel >= 1 && cfg.compressionLevel <= 9)
|| (cfg.compression == "zstd" && cfg.compressionLevel >= 1 && cfg.compressionLevel <= 19);
message = "config.services.postgresqlBackup.compressionLevel must be set between 1 and 9 for gzip and 1 and 19 for zstd";
}
];
}
(lib.mkIf cfg.enable {
systemd.tmpfiles.rules = [
"d '${cfg.location}' 0700 postgres - - -"
];
})
(lib.mkIf (cfg.enable && cfg.backupAll) {
systemd.services.postgresqlBackup = postgresqlBackupService "all" "pg_dumpall ${cfg.pgdumpOptions}";
})
(lib.mkIf (cfg.enable && !cfg.backupAll) {
systemd.services = lib.listToAttrs (
map (
db:
let
cmd = "pg_dump ${cfg.pgdumpOptions} ${db}";
in
config = lib.mkIf cfg.enable (
lib.mkMerge [
{
assertions = [
{
name = "postgresqlBackup-${db}";
value = postgresqlBackupService db cmd;
assertion = cfg.backupAll -> cfg.databases == [ ];
message = "config.services.postgresqlBackup.backupAll cannot be used together with config.services.postgresqlBackup.databases";
}
) cfg.databases
);
})
];
{
assertion =
cfg.compression == "none"
|| (cfg.compression == "gzip" && cfg.compressionLevel >= 1 && cfg.compressionLevel <= 9)
|| (cfg.compression == "zstd" && cfg.compressionLevel >= 1 && cfg.compressionLevel <= 19);
message = "config.services.postgresqlBackup.compressionLevel must be set between 1 and 9 for gzip and 1 and 19 for zstd";
}
];
systemd.tmpfiles.rules = [
"d '${cfg.location}' 0700 postgres - - -"
];
}
(lib.mkIf cfg.backupAll {
systemd.services.postgresqlBackup = postgresqlBackupService "all" "pg_dumpall ${cfg.pgdumpOptions}";
})
(lib.mkIf (!cfg.backupAll) {
systemd.services = lib.listToAttrs (
map (
db:
let
cmd = "pg_dump ${cfg.pgdumpOptions} ${db}";
in
{
name = "postgresqlBackup-${db}";
value = postgresqlBackupService db cmd;
}
) cfg.databases
);
})
]
);
meta.maintainers = with lib.maintainers; [ Scrumplex ];
}