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nixos/services.mysqlBackup: remove with lib;

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This commit is contained in:
Felix Buehler 2024-08-28 21:18:53 +02:00 • committed by Jörg Thalheim
parent 5e67f3e4c8
commit 02145eb692
1 changed files with 19 additions and 22 deletions
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41
nixos/modules/services/backup/mysql-backup.nix
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@ -1,7 +1,4 @@
{ config, lib, pkgs, ... }:
with lib;
let
inherit (pkgs) mariadb gzip;
@ -12,7 +9,7 @@ let
backupScript = ''
set -o pipefail
failed=""
${concatMapStringsSep "\n" backupDatabaseScript cfg.databases}
${lib.concatMapStringsSep "\n" backupDatabaseScript cfg.databases}
if [ -n "$failed" ]; then
echo "Backup of database(s) failed:$failed"
exit 1
@ -20,7 +17,7 @@ let
'';
backupDatabaseScript = db: ''
dest="${cfg.location}/${db}.gz"
if ${mariadb}/bin/mysqldump ${optionalString cfg.singleTransaction "--single-transaction"} ${db} | ${gzip}/bin/gzip -c ${cfg.gzipOptions} > $dest.tmp; then
if ${mariadb}/bin/mysqldump ${lib.optionalString cfg.singleTransaction "--single-transaction"} ${db} | ${gzip}/bin/gzip -c ${cfg.gzipOptions} > $dest.tmp; then
mv $dest.tmp $dest
echo "Backed up to $dest"
else
@ -37,51 +34,51 @@ in
services.mysqlBackup = {
enable = mkEnableOption "MySQL backups";
enable = lib.mkEnableOption "MySQL backups";
calendar = mkOption {
type = types.str;
calendar = lib.mkOption {
type = lib.types.str;
default = "01:15:00";
description = ''
Configured when to run the backup service systemd unit (DayOfWeek Year-Month-Day Hour:Minute:Second).
'';
};
user = mkOption {
type = types.str;
user = lib.mkOption {
type = lib.types.str;
default = defaultUser;
description = ''
User to be used to perform backup.
'';
};
databases = mkOption {
databases = lib.mkOption {
default = [];
type = types.listOf types.str;
type = lib.types.listOf lib.types.str;
description = ''
List of database names to dump.
'';
};
location = mkOption {
type = types.path;
location = lib.mkOption {
type = lib.types.path;
default = "/var/backup/mysql";
description = ''
Location to put the gzipped MySQL database dumps.
'';
};
singleTransaction = mkOption {
singleTransaction = lib.mkOption {
default = false;
type = types.bool;
type = lib.types.bool;
description = ''
Whether to create database dump in a single transaction
'';
};
gzipOptions = mkOption {
gzipOptions = lib.mkOption {
default = "--no-name --rsyncable";
type = types.str;
type = lib.types.str;
description = ''
Command line options to use when invoking `gzip`.
'';
@ -90,8 +87,8 @@ in
};
config = mkIf cfg.enable {
users.users = optionalAttrs (cfg.user == defaultUser) {
config = lib.mkIf cfg.enable {
users.users = lib.optionalAttrs (cfg.user == defaultUser) {
${defaultUser} = {
isSystemUser = true;
createHome = false;
@ -105,9 +102,9 @@ in
ensurePermissions = with lib;
let
privs = "SELECT, SHOW VIEW, TRIGGER, LOCK TABLES";
grant = db: nameValuePair "${db}.*" privs;
grant = db: lib.nameValuePair "${db}.*" privs;
in
listToAttrs (map grant cfg.databases);
lib.listToAttrs (map grant cfg.databases);
}];
systemd = {