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Merge pull request #153346 from Stunkymonkey/borg-persistent

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nixos/borgbackup: Add a persistentTimer option.
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pennae 2022-01-18 12:29:17 +00:00 committed by GitHub
commit 363577461d
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1 changed files with 29 additions and 1 deletions
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30
nixos/modules/services/backup/borgbackup.nix
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@ -99,7 +99,18 @@ let
BORG_REPO = cfg.repo;
inherit (cfg) extraArgs extraInitArgs extraCreateArgs extraPruneArgs;
} // (mkPassEnv cfg) // cfg.environment;
inherit (cfg) startAt;
};
mkBackupTimers = name: cfg:
nameValuePair "borgbackup-job-${name}" {
description = "BorgBackup job ${name} timer";
wantedBy = [ "timers.target" ];
timerConfig = {
Persistent = cfg.persistentTimer;
OnCalendar = cfg.startAt;
};
# if remote-backup wait for network
after = optional (cfg.persistentTimer && !isLocalPath cfg.repo) "network-online.target";
};
# utility function around makeWrapper
@ -321,6 +332,19 @@ in {
'';
};
persistentTimer = mkOption {
default = false;
type = types.bool;
example = true;
description = literalDocBook ''
Set the <literal>persistentTimer</literal> option for the
<citerefentry><refentrytitle>systemd.timer</refentrytitle>
<manvolnum>5</manvolnum></citerefentry>
which triggers the backup immediately if the last trigger
was missed (e.g. if the system was powered down).
'';
};
user = mkOption {
type = types.str;
description = ''
@ -695,6 +719,10 @@ in {
# A repo named "foo" is mapped to systemd.services.borgbackup-repo-foo
// mapAttrs' mkRepoService repos;
# A job named "foo" is mapped to systemd.timers.borgbackup-job-foo
# only generate the timer if interval (startAt) is set
systemd.timers = mapAttrs' mkBackupTimers (filterAttrs (_: cfg: cfg.startAt != []) jobs);
users = mkMerge (mapAttrsToList mkUsersConfig repos);
environment.systemPackages = with pkgs; [ borgbackup ] ++ (mapAttrsToList mkBorgWrapper jobs);