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added backup to podman-mariadb

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This commit is contained in:
mc-fucker 2023-11-13 18:24:58 +01:00
parent b93a119776
commit 74f5ff584d
1 changed files with 27 additions and 16 deletions
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43
modules/podman-mariadb.nix
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@ -61,6 +61,13 @@ in
example = "daily";
};
backupRetention = mkOption {
description = "The amount of backups to keep.";
type = types.int;
default = 28;
example = "2";
};
};
}));
};
@ -99,22 +106,26 @@ in
}) cfgs);
#systemd = mkMerge (mapAttrsToList (_: cfg: {
# services."podman-mariadb-${cfg.database}-backup" = {
# description = "Backup of ${cfg.database} database";
# requisite = [ "podman-mariadb-${cfg.database}.service" ];
# serviceConfig = {
# ExecStart = "${pkgs.bash}/bin/bash -c '${pkgs.podman}/bin/podman exec postgresql-${cfg.database} pg_dumpall -c -U ${cfg.user} | ${pkgs.zstd}/bin/zstd -o ${cfg.backupPath}/${cfg.database}/\$(${pkgs.coreutils}/bin/date +%%F_%%R).sql.zst'" ;
# Type = "oneshot";
# };
# };
# timers."podman-mariadb-${cfg.database}-backup" = {
# timerConfig = {
# OnCalendar = cfg.backupInterval;
# };
# wantedBy = [ "podman-mariadb-${cfg.database}.service" ];
# };
#}) cfgs);
systemd = mkMerge (mapAttrsToList (_: cfg: {
services."podman-mariadb-${cfg.database}-backup" = {
description = "Backup of ${cfg.database} database";
requisite = [ "podman-mariadb-${cfg.database}.service" ];
serviceConfig = {
ExecStart =
let
retention = (toString cfg.backupRetention);
in
''${pkgs.bash}/bin/bash -c "${pkgs.podman}/bin/podman exec mariadb-${cfg.database} /bin/bash -c 'MYSQL_PWD=$(cat $MARIADB_PASSWORD_FILE) mariadb-dump --all-databases -u${cfg.database}' | ${pkgs.zstd}/bin/zstd -o ${cfg.backupPath}/${cfg.database}/$(${pkgs.coreutils}/bin/date +%%F_%%R).sql.zst && find ${cfg.backupPath}/${cfg.database} -type f | sort | head -n -${retention} | xargs rm -v" '' ;
Type = "oneshot";
};
};
timers."podman-mariadb-${cfg.database}-backup" = {
timerConfig = {
OnCalendar = cfg.backupInterval;
};
wantedBy = [ "podman-mariadb-${cfg.database}.service" ];
};
}) cfgs);
};