forked from M-Labs/it-infra
55 lines
1.5 KiB
Nix
55 lines
1.5 KiB
Nix
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{ config, pkgs, lib, ... }:
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with lib;
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let
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makeBackup = pkgs.writeScript "make-backup" ''
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#!${pkgs.bash}/bin/bash
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set -e
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umask 0077
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DBDUMPDIR=`mktemp -d`
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pushd $DBDUMPDIR
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${config.services.mysql.package}/bin/mysqldump --single-transaction flarum > flarum.sql
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${pkgs.sudo}/bin/sudo -u mattermost ${config.services.postgresql.package}/bin/pg_dump mattermost > mattermost.sql
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${pkgs.gnutar}/bin/tar cf - --exclude "/var/lib/gitea/repositories/*/*.git/archives" /etc/nixos /var/lib/gitea flarum.sql mattermost.sql | \
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${pkgs.bzip2}/bin/bzip2 | \
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${pkgs.gnupg}/bin/gpg --symmetric --batch --passphrase-file /etc/nixos/secret/backup-passphrase | \
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${pkgs.rclone}/bin/rclone rcat --config /etc/nixos/secret/rclone.conf dropbox:backup-`date +%F`.tar.bz2.gpg
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popd
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rm -rf $DBDUMPDIR
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echo Backup done
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'';
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cfg = config.services.mlabs-backup;
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in
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{
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options.services.mlabs-backup = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = "Enable backups";
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};
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};
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config = mkIf cfg.enable {
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systemd.services.mlabs-backup = {
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description = "M-Labs backup";
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serviceConfig = {
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Type = "oneshot";
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User = "root";
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Group = "root";
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ExecStart = "${makeBackup}";
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};
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};
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systemd.timers.mlabs-backup = {
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description = "M-Labs backup";
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wantedBy = [ "timers.target" ];
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timerConfig.OnCalendar = "weekly";
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};
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};
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}
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