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nixos/restic: nixfmt
This commit is contained in:
Tert0
parent
5224d91ed1
commit
54dba7bed8
1 changed files with 403 additions and 358 deletions
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@ -1,4 +1,10 @@
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{ config, lib, pkgs, utils, ... }:
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{
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config,
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lib,
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pkgs,
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utils,
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...
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}:
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let
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# Type for a valid systemd unit option. Needed for correctly passing "timerConfig" to "systemd.timers"
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inherit (utils.systemdUtils.unitOptions) unitOption;
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@ -8,269 +14,288 @@ in
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description = ''
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Periodic backups to create with Restic.
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'';
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type = lib.types.attrsOf (lib.types.submodule ({ name, ... }: {
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options = {
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passwordFile = lib.mkOption {
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type = lib.types.str;
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description = ''
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Read the repository password from a file.
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'';
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example = "/etc/nixos/restic-password";
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};
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type = lib.types.attrsOf (
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lib.types.submodule (
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{ name, ... }:
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{
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options = {
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passwordFile = lib.mkOption {
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type = lib.types.str;
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description = ''
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Read the repository password from a file.
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'';
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example = "/etc/nixos/restic-password";
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};
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environmentFile = lib.mkOption {
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type = with lib.types; nullOr str;
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default = null;
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description = ''
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file containing the credentials to access the repository, in the
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format of an EnvironmentFile as described by {manpage}`systemd.exec(5)`
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'';
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};
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environmentFile = lib.mkOption {
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type = with lib.types; nullOr str;
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default = null;
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description = ''
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file containing the credentials to access the repository, in the
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format of an EnvironmentFile as described by {manpage}`systemd.exec(5)`
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'';
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};
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rcloneOptions = lib.mkOption {
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type = with lib.types; nullOr (attrsOf (oneOf [ str bool ]));
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default = null;
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description = ''
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Options to pass to rclone to control its behavior.
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See <https://rclone.org/docs/#options> for
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available options. When specifying option names, strip the
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leading `--`. To set a flag such as
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`--drive-use-trash`, which does not take a value,
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set the value to the Boolean `true`.
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'';
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example = {
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bwlimit = "10M";
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drive-use-trash = "true";
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rcloneOptions = lib.mkOption {
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type =
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with lib.types;
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nullOr (
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attrsOf (oneOf [
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str
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bool
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])
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);
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default = null;
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description = ''
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Options to pass to rclone to control its behavior.
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||||
See <https://rclone.org/docs/#options> for
|
||||
available options. When specifying option names, strip the
|
||||
leading `--`. To set a flag such as
|
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`--drive-use-trash`, which does not take a value,
|
||||
set the value to the Boolean `true`.
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'';
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example = {
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bwlimit = "10M";
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drive-use-trash = "true";
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};
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};
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rcloneConfig = lib.mkOption {
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type =
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with lib.types;
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nullOr (
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attrsOf (oneOf [
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str
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bool
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])
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);
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default = null;
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description = ''
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Configuration for the rclone remote being used for backup.
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See the remote's specific options under rclone's docs at
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<https://rclone.org/docs/>. When specifying
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||||
option names, use the "config" name specified in the docs.
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||||
For example, to set `--b2-hard-delete` for a B2
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remote, use `hard_delete = true` in the
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attribute set.
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||||
Warning: Secrets set in here will be world-readable in the Nix
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store! Consider using the `rcloneConfigFile`
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option instead to specify secret values separately. Note that
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options set here will override those set in the config file.
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'';
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example = {
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type = "b2";
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account = "xxx";
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key = "xxx";
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hard_delete = true;
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};
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};
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rcloneConfigFile = lib.mkOption {
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type = with lib.types; nullOr path;
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default = null;
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description = ''
|
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Path to the file containing rclone configuration. This file
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must contain configuration for the remote specified in this backup
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set and also must be readable by root. Options set in
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`rcloneConfig` will override those set in this
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file.
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'';
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};
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inhibitsSleep = lib.mkOption {
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default = false;
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type = lib.types.bool;
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example = true;
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description = ''
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Prevents the system from sleeping while backing up.
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'';
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};
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repository = lib.mkOption {
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type = with lib.types; nullOr str;
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default = null;
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description = ''
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repository to backup to.
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'';
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example = "sftp:backup@192.168.1.100:/backups/${name}";
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};
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repositoryFile = lib.mkOption {
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type = with lib.types; nullOr path;
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default = null;
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description = ''
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Path to the file containing the repository location to backup to.
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'';
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};
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paths = lib.mkOption {
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# This is nullable for legacy reasons only. We should consider making it a pure listOf
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# after some time has passed since this comment was added.
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type = lib.types.nullOr (lib.types.listOf lib.types.str);
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default = [ ];
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description = ''
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Which paths to backup, in addition to ones specified via
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`dynamicFilesFrom`. If null or an empty array and
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`dynamicFilesFrom` is also null, no backup command will be run.
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This can be used to create a prune-only job.
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'';
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example = [
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"/var/lib/postgresql"
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"/home/user/backup"
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];
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};
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exclude = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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||||
description = ''
|
||||
Patterns to exclude when backing up. See
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https://restic.readthedocs.io/en/latest/040_backup.html#excluding-files for
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details on syntax.
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||||
'';
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||||
example = [
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"/var/cache"
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"/home/*/.cache"
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".git"
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];
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};
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|
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timerConfig = lib.mkOption {
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type = lib.types.nullOr (lib.types.attrsOf unitOption);
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default = {
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OnCalendar = "daily";
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Persistent = true;
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};
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description = ''
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When to run the backup. See {manpage}`systemd.timer(5)` for
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details. If null no timer is created and the backup will only
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run when explicitly started.
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'';
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example = {
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OnCalendar = "00:05";
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RandomizedDelaySec = "5h";
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Persistent = true;
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};
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||||
};
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|
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user = lib.mkOption {
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type = lib.types.str;
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default = "root";
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description = ''
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||||
As which user the backup should run.
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'';
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example = "postgresql";
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};
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extraBackupArgs = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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description = ''
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Extra arguments passed to restic backup.
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'';
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||||
example = [
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"--exclude-file=/etc/nixos/restic-ignore"
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||||
];
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||||
};
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||||
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extraOptions = lib.mkOption {
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type = lib.types.listOf lib.types.str;
|
||||
default = [ ];
|
||||
description = ''
|
||||
Extra extended options to be passed to the restic --option flag.
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'';
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example = [
|
||||
"sftp.command='ssh backup@192.168.1.100 -i /home/user/.ssh/id_rsa -s sftp'"
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];
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||||
};
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||||
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initialize = lib.mkOption {
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type = lib.types.bool;
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default = false;
|
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description = ''
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||||
Create the repository if it doesn't exist.
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||||
'';
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||||
};
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||||
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||||
pruneOpts = lib.mkOption {
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||||
type = lib.types.listOf lib.types.str;
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default = [ ];
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||||
description = ''
|
||||
A list of options (--keep-\* et al.) for 'restic forget
|
||||
--prune', to automatically prune old snapshots. The
|
||||
'forget' command is run *after* the 'backup' command, so
|
||||
keep that in mind when constructing the --keep-\* options.
|
||||
'';
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||||
example = [
|
||||
"--keep-daily 7"
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||||
"--keep-weekly 5"
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||||
"--keep-monthly 12"
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||||
"--keep-yearly 75"
|
||||
];
|
||||
};
|
||||
|
||||
runCheck = lib.mkOption {
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||||
type = lib.types.bool;
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||||
default = (builtins.length config.services.restic.backups.${name}.checkOpts > 0);
|
||||
defaultText = lib.literalExpression ''builtins.length config.services.backups.${name}.checkOpts > 0'';
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||||
description = "Whether to run the `check` command with the provided `checkOpts` options.";
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||||
example = true;
|
||||
};
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||||
|
||||
checkOpts = lib.mkOption {
|
||||
type = lib.types.listOf lib.types.str;
|
||||
default = [ ];
|
||||
description = ''
|
||||
A list of options for 'restic check'.
|
||||
'';
|
||||
example = [
|
||||
"--with-cache"
|
||||
];
|
||||
};
|
||||
|
||||
dynamicFilesFrom = lib.mkOption {
|
||||
type = with lib.types; nullOr str;
|
||||
default = null;
|
||||
description = ''
|
||||
A script that produces a list of files to back up. The
|
||||
results of this command are given to the '--files-from'
|
||||
option. The result is merged with paths specified via `paths`.
|
||||
'';
|
||||
example = "find /home/matt/git -type d -name .git";
|
||||
};
|
||||
|
||||
backupPrepareCommand = lib.mkOption {
|
||||
type = with lib.types; nullOr str;
|
||||
default = null;
|
||||
description = ''
|
||||
A script that must run before starting the backup process.
|
||||
'';
|
||||
};
|
||||
|
||||
backupCleanupCommand = lib.mkOption {
|
||||
type = with lib.types; nullOr str;
|
||||
default = null;
|
||||
description = ''
|
||||
A script that must run after finishing the backup process.
|
||||
'';
|
||||
};
|
||||
|
||||
package = lib.mkPackageOption pkgs "restic" { };
|
||||
|
||||
createWrapper = lib.mkOption {
|
||||
type = lib.types.bool;
|
||||
default = true;
|
||||
description = ''
|
||||
Whether to generate and add a script to the system path, that has the same environment variables set
|
||||
as the systemd service. This can be used to e.g. mount snapshots or perform other opterations, without
|
||||
having to manually specify most options.
|
||||
'';
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
rcloneConfig = lib.mkOption {
|
||||
type = with lib.types; nullOr (attrsOf (oneOf [ str bool ]));
|
||||
default = null;
|
||||
description = ''
|
||||
Configuration for the rclone remote being used for backup.
|
||||
See the remote's specific options under rclone's docs at
|
||||
<https://rclone.org/docs/>. When specifying
|
||||
option names, use the "config" name specified in the docs.
|
||||
For example, to set `--b2-hard-delete` for a B2
|
||||
remote, use `hard_delete = true` in the
|
||||
attribute set.
|
||||
Warning: Secrets set in here will be world-readable in the Nix
|
||||
store! Consider using the `rcloneConfigFile`
|
||||
option instead to specify secret values separately. Note that
|
||||
options set here will override those set in the config file.
|
||||
'';
|
||||
example = {
|
||||
type = "b2";
|
||||
account = "xxx";
|
||||
key = "xxx";
|
||||
hard_delete = true;
|
||||
};
|
||||
};
|
||||
|
||||
rcloneConfigFile = lib.mkOption {
|
||||
type = with lib.types; nullOr path;
|
||||
default = null;
|
||||
description = ''
|
||||
Path to the file containing rclone configuration. This file
|
||||
must contain configuration for the remote specified in this backup
|
||||
set and also must be readable by root. Options set in
|
||||
`rcloneConfig` will override those set in this
|
||||
file.
|
||||
'';
|
||||
};
|
||||
|
||||
inhibitsSleep = lib.mkOption {
|
||||
default = false;
|
||||
type = lib.types.bool;
|
||||
example = true;
|
||||
description = ''
|
||||
Prevents the system from sleeping while backing up.
|
||||
'';
|
||||
};
|
||||
|
||||
repository = lib.mkOption {
|
||||
type = with lib.types; nullOr str;
|
||||
default = null;
|
||||
description = ''
|
||||
repository to backup to.
|
||||
'';
|
||||
example = "sftp:backup@192.168.1.100:/backups/${name}";
|
||||
};
|
||||
|
||||
repositoryFile = lib.mkOption {
|
||||
type = with lib.types; nullOr path;
|
||||
default = null;
|
||||
description = ''
|
||||
Path to the file containing the repository location to backup to.
|
||||
'';
|
||||
};
|
||||
|
||||
paths = lib.mkOption {
|
||||
# This is nullable for legacy reasons only. We should consider making it a pure listOf
|
||||
# after some time has passed since this comment was added.
|
||||
type = lib.types.nullOr (lib.types.listOf lib.types.str);
|
||||
default = [ ];
|
||||
description = ''
|
||||
Which paths to backup, in addition to ones specified via
|
||||
`dynamicFilesFrom`. If null or an empty array and
|
||||
`dynamicFilesFrom` is also null, no backup command will be run.
|
||||
This can be used to create a prune-only job.
|
||||
'';
|
||||
example = [
|
||||
"/var/lib/postgresql"
|
||||
"/home/user/backup"
|
||||
];
|
||||
};
|
||||
|
||||
exclude = lib.mkOption {
|
||||
type = lib.types.listOf lib.types.str;
|
||||
default = [ ];
|
||||
description = ''
|
||||
Patterns to exclude when backing up. See
|
||||
https://restic.readthedocs.io/en/latest/040_backup.html#excluding-files for
|
||||
details on syntax.
|
||||
'';
|
||||
example = [
|
||||
"/var/cache"
|
||||
"/home/*/.cache"
|
||||
".git"
|
||||
];
|
||||
};
|
||||
|
||||
timerConfig = lib.mkOption {
|
||||
type = lib.types.nullOr (lib.types.attrsOf unitOption);
|
||||
default = {
|
||||
OnCalendar = "daily";
|
||||
Persistent = true;
|
||||
};
|
||||
description = ''
|
||||
When to run the backup. See {manpage}`systemd.timer(5)` for
|
||||
details. If null no timer is created and the backup will only
|
||||
run when explicitly started.
|
||||
'';
|
||||
example = {
|
||||
OnCalendar = "00:05";
|
||||
RandomizedDelaySec = "5h";
|
||||
Persistent = true;
|
||||
};
|
||||
};
|
||||
|
||||
user = lib.mkOption {
|
||||
type = lib.types.str;
|
||||
default = "root";
|
||||
description = ''
|
||||
As which user the backup should run.
|
||||
'';
|
||||
example = "postgresql";
|
||||
};
|
||||
|
||||
extraBackupArgs = lib.mkOption {
|
||||
type = lib.types.listOf lib.types.str;
|
||||
default = [ ];
|
||||
description = ''
|
||||
Extra arguments passed to restic backup.
|
||||
'';
|
||||
example = [
|
||||
"--exclude-file=/etc/nixos/restic-ignore"
|
||||
];
|
||||
};
|
||||
|
||||
extraOptions = lib.mkOption {
|
||||
type = lib.types.listOf lib.types.str;
|
||||
default = [ ];
|
||||
description = ''
|
||||
Extra extended options to be passed to the restic --option flag.
|
||||
'';
|
||||
example = [
|
||||
"sftp.command='ssh backup@192.168.1.100 -i /home/user/.ssh/id_rsa -s sftp'"
|
||||
];
|
||||
};
|
||||
|
||||
initialize = lib.mkOption {
|
||||
type = lib.types.bool;
|
||||
default = false;
|
||||
description = ''
|
||||
Create the repository if it doesn't exist.
|
||||
'';
|
||||
};
|
||||
|
||||
pruneOpts = lib.mkOption {
|
||||
type = lib.types.listOf lib.types.str;
|
||||
default = [ ];
|
||||
description = ''
|
||||
A list of options (--keep-\* et al.) for 'restic forget
|
||||
--prune', to automatically prune old snapshots. The
|
||||
'forget' command is run *after* the 'backup' command, so
|
||||
keep that in mind when constructing the --keep-\* options.
|
||||
'';
|
||||
example = [
|
||||
"--keep-daily 7"
|
||||
"--keep-weekly 5"
|
||||
"--keep-monthly 12"
|
||||
"--keep-yearly 75"
|
||||
];
|
||||
};
|
||||
|
||||
runCheck = lib.mkOption {
|
||||
type = lib.types.bool;
|
||||
default = (builtins.length config.services.restic.backups.${name}.checkOpts > 0);
|
||||
defaultText = lib.literalExpression ''builtins.length config.services.backups.${name}.checkOpts > 0'';
|
||||
description = "Whether to run the `check` command with the provided `checkOpts` options.";
|
||||
example = true;
|
||||
};
|
||||
|
||||
checkOpts = lib.mkOption {
|
||||
type = lib.types.listOf lib.types.str;
|
||||
default = [ ];
|
||||
description = ''
|
||||
A list of options for 'restic check'.
|
||||
'';
|
||||
example = [
|
||||
"--with-cache"
|
||||
];
|
||||
};
|
||||
|
||||
dynamicFilesFrom = lib.mkOption {
|
||||
type = with lib.types; nullOr str;
|
||||
default = null;
|
||||
description = ''
|
||||
A script that produces a list of files to back up. The
|
||||
results of this command are given to the '--files-from'
|
||||
option. The result is merged with paths specified via `paths`.
|
||||
'';
|
||||
example = "find /home/matt/git -type d -name .git";
|
||||
};
|
||||
|
||||
backupPrepareCommand = lib.mkOption {
|
||||
type = with lib.types; nullOr str;
|
||||
default = null;
|
||||
description = ''
|
||||
A script that must run before starting the backup process.
|
||||
'';
|
||||
};
|
||||
|
||||
backupCleanupCommand = lib.mkOption {
|
||||
type = with lib.types; nullOr str;
|
||||
default = null;
|
||||
description = ''
|
||||
A script that must run after finishing the backup process.
|
||||
'';
|
||||
};
|
||||
|
||||
package = lib.mkPackageOption pkgs "restic" { };
|
||||
|
||||
createWrapper = lib.mkOption {
|
||||
type = lib.types.bool;
|
||||
default = true;
|
||||
description = ''
|
||||
Whether to generate and add a script to the system path, that has the same environment variables set
|
||||
as the systemd service. This can be used to e.g. mount snapshots or perform other opterations, without
|
||||
having to manually specify most options.
|
||||
'';
|
||||
};
|
||||
};
|
||||
}));
|
||||
}
|
||||
)
|
||||
);
|
||||
default = { };
|
||||
example = {
|
||||
localbackup = {
|
||||
|
|
@ -300,119 +325,139 @@ in
|
|||
assertion = (v.repository == null) != (v.repositoryFile == null);
|
||||
message = "services.restic.backups.${n}: exactly one of repository or repositoryFile should be set";
|
||||
}) config.services.restic.backups;
|
||||
systemd.services =
|
||||
lib.mapAttrs'
|
||||
(name: backup:
|
||||
let
|
||||
extraOptions = lib.concatMapStrings (arg: " -o ${arg}") backup.extraOptions;
|
||||
inhibitCmd = lib.concatStringsSep " " [
|
||||
"${pkgs.systemd}/bin/systemd-inhibit"
|
||||
"--mode='block'"
|
||||
"--who='restic'"
|
||||
"--what='sleep'"
|
||||
"--why=${lib.escapeShellArg "Scheduled backup ${name}"} "
|
||||
];
|
||||
resticCmd = "${lib.optionalString backup.inhibitsSleep inhibitCmd}${backup.package}/bin/restic${extraOptions}";
|
||||
excludeFlags = lib.optional (backup.exclude != []) "--exclude-file=${pkgs.writeText "exclude-patterns" (lib.concatStringsSep "\n" backup.exclude)}";
|
||||
filesFromTmpFile = "/run/restic-backups-${name}/includes";
|
||||
doBackup = (backup.dynamicFilesFrom != null) || (backup.paths != null && backup.paths != []);
|
||||
pruneCmd = lib.optionals (builtins.length backup.pruneOpts > 0) [
|
||||
(resticCmd + " forget --prune " + (lib.concatStringsSep " " backup.pruneOpts))
|
||||
];
|
||||
checkCmd = lib.optionals backup.runCheck [
|
||||
(resticCmd + " check " + (lib.concatStringsSep " " backup.checkOpts))
|
||||
];
|
||||
# Helper functions for rclone remotes
|
||||
rcloneRemoteName = builtins.elemAt (lib.splitString ":" backup.repository) 1;
|
||||
rcloneAttrToOpt = v: "RCLONE_" + lib.toUpper (builtins.replaceStrings [ "-" ] [ "_" ] v);
|
||||
rcloneAttrToConf = v: "RCLONE_CONFIG_" + lib.toUpper (rcloneRemoteName + "_" + v);
|
||||
toRcloneVal = v: if lib.isBool v then lib.boolToString v else v;
|
||||
in
|
||||
lib.nameValuePair "restic-backups-${name}" ({
|
||||
environment = {
|
||||
systemd.services = lib.mapAttrs' (
|
||||
name: backup:
|
||||
let
|
||||
extraOptions = lib.concatMapStrings (arg: " -o ${arg}") backup.extraOptions;
|
||||
inhibitCmd = lib.concatStringsSep " " [
|
||||
"${pkgs.systemd}/bin/systemd-inhibit"
|
||||
"--mode='block'"
|
||||
"--who='restic'"
|
||||
"--what='sleep'"
|
||||
"--why=${lib.escapeShellArg "Scheduled backup ${name}"} "
|
||||
];
|
||||
resticCmd = "${lib.optionalString backup.inhibitsSleep inhibitCmd}${backup.package}/bin/restic${extraOptions}";
|
||||
excludeFlags = lib.optional (
|
||||
backup.exclude != [ ]
|
||||
) "--exclude-file=${pkgs.writeText "exclude-patterns" (lib.concatStringsSep "\n" backup.exclude)}";
|
||||
filesFromTmpFile = "/run/restic-backups-${name}/includes";
|
||||
doBackup = (backup.dynamicFilesFrom != null) || (backup.paths != null && backup.paths != [ ]);
|
||||
pruneCmd = lib.optionals (builtins.length backup.pruneOpts > 0) [
|
||||
(resticCmd + " forget --prune " + (lib.concatStringsSep " " backup.pruneOpts))
|
||||
];
|
||||
checkCmd = lib.optionals backup.runCheck [
|
||||
(resticCmd + " check " + (lib.concatStringsSep " " backup.checkOpts))
|
||||
];
|
||||
# Helper functions for rclone remotes
|
||||
rcloneRemoteName = builtins.elemAt (lib.splitString ":" backup.repository) 1;
|
||||
rcloneAttrToOpt = v: "RCLONE_" + lib.toUpper (builtins.replaceStrings [ "-" ] [ "_" ] v);
|
||||
rcloneAttrToConf = v: "RCLONE_CONFIG_" + lib.toUpper (rcloneRemoteName + "_" + v);
|
||||
toRcloneVal = v: if lib.isBool v then lib.boolToString v else v;
|
||||
in
|
||||
lib.nameValuePair "restic-backups-${name}" (
|
||||
{
|
||||
environment =
|
||||
{
|
||||
# not %C, because that wouldn't work in the wrapper script
|
||||
RESTIC_CACHE_DIR = "/var/cache/restic-backups-${name}";
|
||||
RESTIC_PASSWORD_FILE = backup.passwordFile;
|
||||
RESTIC_REPOSITORY = backup.repository;
|
||||
RESTIC_REPOSITORY_FILE = backup.repositoryFile;
|
||||
} // lib.optionalAttrs (backup.rcloneOptions != null) (lib.mapAttrs'
|
||||
(name: value:
|
||||
lib.nameValuePair (rcloneAttrToOpt name) (toRcloneVal value)
|
||||
)
|
||||
backup.rcloneOptions) // lib.optionalAttrs (backup.rcloneConfigFile != null) {
|
||||
}
|
||||
// lib.optionalAttrs (backup.rcloneOptions != null) (
|
||||
lib.mapAttrs' (
|
||||
name: value: lib.nameValuePair (rcloneAttrToOpt name) (toRcloneVal value)
|
||||
) backup.rcloneOptions
|
||||
)
|
||||
// lib.optionalAttrs (backup.rcloneConfigFile != null) {
|
||||
RCLONE_CONFIG = backup.rcloneConfigFile;
|
||||
} // lib.optionalAttrs (backup.rcloneConfig != null) (lib.mapAttrs'
|
||||
(name: value:
|
||||
lib.nameValuePair (rcloneAttrToConf name) (toRcloneVal value)
|
||||
)
|
||||
backup.rcloneConfig);
|
||||
path = [ config.programs.ssh.package ];
|
||||
restartIfChanged = false;
|
||||
wants = [ "network-online.target" ];
|
||||
after = [ "network-online.target" ];
|
||||
serviceConfig = {
|
||||
}
|
||||
// lib.optionalAttrs (backup.rcloneConfig != null) (
|
||||
lib.mapAttrs' (
|
||||
name: value: lib.nameValuePair (rcloneAttrToConf name) (toRcloneVal value)
|
||||
) backup.rcloneConfig
|
||||
);
|
||||
path = [ config.programs.ssh.package ];
|
||||
restartIfChanged = false;
|
||||
wants = [ "network-online.target" ];
|
||||
after = [ "network-online.target" ];
|
||||
serviceConfig =
|
||||
{
|
||||
Type = "oneshot";
|
||||
ExecStart = (lib.optionals doBackup [ "${resticCmd} backup ${lib.concatStringsSep " " (backup.extraBackupArgs ++ excludeFlags)} --files-from=${filesFromTmpFile}" ])
|
||||
++ pruneCmd ++ checkCmd;
|
||||
ExecStart =
|
||||
(lib.optionals doBackup [
|
||||
"${resticCmd} backup ${
|
||||
lib.concatStringsSep " " (backup.extraBackupArgs ++ excludeFlags)
|
||||
} --files-from=${filesFromTmpFile}"
|
||||
])
|
||||
++ pruneCmd
|
||||
++ checkCmd;
|
||||
User = backup.user;
|
||||
RuntimeDirectory = "restic-backups-${name}";
|
||||
CacheDirectory = "restic-backups-${name}";
|
||||
CacheDirectoryMode = "0700";
|
||||
PrivateTmp = true;
|
||||
} // lib.optionalAttrs (backup.environmentFile != null) {
|
||||
}
|
||||
// lib.optionalAttrs (backup.environmentFile != null) {
|
||||
EnvironmentFile = backup.environmentFile;
|
||||
};
|
||||
} // lib.optionalAttrs (backup.initialize || doBackup || backup.backupPrepareCommand != null) {
|
||||
preStart = ''
|
||||
${lib.optionalString (backup.backupPrepareCommand != null) ''
|
||||
${pkgs.writeScript "backupPrepareCommand" backup.backupPrepareCommand}
|
||||
''}
|
||||
${lib.optionalString (backup.initialize) ''
|
||||
${resticCmd} cat config > /dev/null || ${resticCmd} init
|
||||
''}
|
||||
${lib.optionalString (backup.paths != null && backup.paths != []) ''
|
||||
cat ${pkgs.writeText "staticPaths" (lib.concatLines backup.paths)} >> ${filesFromTmpFile}
|
||||
''}
|
||||
${lib.optionalString (backup.dynamicFilesFrom != null) ''
|
||||
${pkgs.writeScript "dynamicFilesFromScript" backup.dynamicFilesFrom} >> ${filesFromTmpFile}
|
||||
''}
|
||||
'';
|
||||
} // lib.optionalAttrs (doBackup || backup.backupCleanupCommand != null) {
|
||||
postStop = ''
|
||||
${lib.optionalString (backup.backupCleanupCommand != null) ''
|
||||
${pkgs.writeScript "backupCleanupCommand" backup.backupCleanupCommand}
|
||||
''}
|
||||
${lib.optionalString doBackup ''
|
||||
rm ${filesFromTmpFile}
|
||||
''}
|
||||
'';
|
||||
})
|
||||
)
|
||||
config.services.restic.backups;
|
||||
systemd.timers =
|
||||
lib.mapAttrs'
|
||||
(name: backup: lib.nameValuePair "restic-backups-${name}" {
|
||||
wantedBy = [ "timers.target" ];
|
||||
timerConfig = backup.timerConfig;
|
||||
})
|
||||
(lib.filterAttrs (_: backup: backup.timerConfig != null) config.services.restic.backups);
|
||||
}
|
||||
// lib.optionalAttrs (backup.initialize || doBackup || backup.backupPrepareCommand != null) {
|
||||
preStart = ''
|
||||
${lib.optionalString (backup.backupPrepareCommand != null) ''
|
||||
${pkgs.writeScript "backupPrepareCommand" backup.backupPrepareCommand}
|
||||
''}
|
||||
${lib.optionalString (backup.initialize) ''
|
||||
${resticCmd} cat config > /dev/null || ${resticCmd} init
|
||||
''}
|
||||
${lib.optionalString (backup.paths != null && backup.paths != [ ]) ''
|
||||
cat ${pkgs.writeText "staticPaths" (lib.concatLines backup.paths)} >> ${filesFromTmpFile}
|
||||
''}
|
||||
${lib.optionalString (backup.dynamicFilesFrom != null) ''
|
||||
${pkgs.writeScript "dynamicFilesFromScript" backup.dynamicFilesFrom} >> ${filesFromTmpFile}
|
||||
''}
|
||||
'';
|
||||
}
|
||||
// lib.optionalAttrs (doBackup || backup.backupCleanupCommand != null) {
|
||||
postStop = ''
|
||||
${lib.optionalString (backup.backupCleanupCommand != null) ''
|
||||
${pkgs.writeScript "backupCleanupCommand" backup.backupCleanupCommand}
|
||||
''}
|
||||
${lib.optionalString doBackup ''
|
||||
rm ${filesFromTmpFile}
|
||||
''}
|
||||
'';
|
||||
}
|
||||
)
|
||||
) config.services.restic.backups;
|
||||
systemd.timers = lib.mapAttrs' (
|
||||
name: backup:
|
||||
lib.nameValuePair "restic-backups-${name}" {
|
||||
wantedBy = [ "timers.target" ];
|
||||
timerConfig = backup.timerConfig;
|
||||
}
|
||||
) (lib.filterAttrs (_: backup: backup.timerConfig != null) config.services.restic.backups);
|
||||
|
||||
# generate wrapper scripts, as described in the createWrapper option
|
||||
environment.systemPackages = lib.mapAttrsToList (name: backup: let
|
||||
extraOptions = lib.concatMapStrings (arg: " -o ${arg}") backup.extraOptions;
|
||||
resticCmd = "${backup.package}/bin/restic${extraOptions}";
|
||||
in pkgs.writeShellScriptBin "restic-${name}" ''
|
||||
set -a # automatically export variables
|
||||
${lib.optionalString (backup.environmentFile != null) "source ${backup.environmentFile}"}
|
||||
# set same environment variables as the systemd service
|
||||
${lib.pipe config.systemd.services."restic-backups-${name}".environment [
|
||||
(lib.filterAttrs (n: v: v != null && n != "PATH"))
|
||||
(lib.mapAttrsToList (n: v: "${n}=${v}"))
|
||||
(lib.concatStringsSep "\n")
|
||||
]}
|
||||
PATH=${config.systemd.services."restic-backups-${name}".environment.PATH}:$PATH
|
||||
environment.systemPackages = lib.mapAttrsToList (
|
||||
name: backup:
|
||||
let
|
||||
extraOptions = lib.concatMapStrings (arg: " -o ${arg}") backup.extraOptions;
|
||||
resticCmd = "${backup.package}/bin/restic${extraOptions}";
|
||||
in
|
||||
pkgs.writeShellScriptBin "restic-${name}" ''
|
||||
set -a # automatically export variables
|
||||
${lib.optionalString (backup.environmentFile != null) "source ${backup.environmentFile}"}
|
||||
# set same environment variables as the systemd service
|
||||
${lib.pipe config.systemd.services."restic-backups-${name}".environment [
|
||||
(lib.filterAttrs (n: v: v != null && n != "PATH"))
|
||||
(lib.mapAttrsToList (n: v: "${n}=${v}"))
|
||||
(lib.concatStringsSep "\n")
|
||||
]}
|
||||
PATH=${config.systemd.services."restic-backups-${name}".environment.PATH}:$PATH
|
||||
|
||||
exec ${resticCmd} "$@"
|
||||
'') (lib.filterAttrs (_: v: v.createWrapper) config.services.restic.backups);
|
||||
exec ${resticCmd} "$@"
|
||||
''
|
||||
) (lib.filterAttrs (_: v: v.createWrapper) config.services.restic.backups);
|
||||
};
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue