118 lines
3.8 KiB
Nix
118 lines
3.8 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.borgmatic;
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settingsFormat = pkgs.formats.yaml { };
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repository = with types; submodule {
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options = {
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path = mkOption {
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type = str;
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description = ''
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Path to the repository
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'';
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};
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label = mkOption {
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type = str;
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description = ''
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Label to the repository
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'';
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};
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};
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};
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cfgType = with types; submodule {
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freeformType = settingsFormat.type;
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options = {
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source_directories = mkOption {
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type = listOf str;
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default = [];
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description = ''
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List of source directories and files to backup. Globs and tildes are
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expanded. Do not backslash spaces in path names.
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'';
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example = [ "/home" "/etc" "/var/log/syslog*" "/home/user/path with spaces" ];
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};
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repositories = mkOption {
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type = listOf repository;
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default = [];
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description = ''
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A required list of local or remote repositories with paths and
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optional labels (which can be used with the --repository flag to
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select a repository). Tildes are expanded. Multiple repositories are
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backed up to in sequence. Borg placeholders can be used. See the
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output of "borg help placeholders" for details. See ssh_command for
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SSH options like identity file or port. If systemd service is used,
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then add local repository paths in the systemd service file to the
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ReadWritePaths list.
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'';
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example = [
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{ path="ssh://user@backupserver/./sourcehostname.borg"; label="backupserver"; }
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{ path="/mnt/backup"; label="local"; }
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];
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};
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};
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};
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cfgfile = settingsFormat.generate "config.yaml" cfg.settings;
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in
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{
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options.services.borgmatic = {
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enable = mkEnableOption "borgmatic";
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settings = mkOption {
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description = ''
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See https://torsion.org/borgmatic/docs/reference/configuration/
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'';
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default = null;
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type = types.nullOr cfgType;
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};
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configurations = mkOption {
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description = ''
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Set of borgmatic configurations, see https://torsion.org/borgmatic/docs/reference/configuration/
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'';
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default = { };
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type = types.attrsOf cfgType;
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};
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enableConfigCheck = mkEnableOption "checking all configurations during build time" // { default = true; };
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};
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config =
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let
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configFiles =
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(optionalAttrs (cfg.settings != null) { "borgmatic/config.yaml".source = cfgfile; }) //
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mapAttrs'
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(name: value: nameValuePair
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"borgmatic.d/${name}.yaml"
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{ source = settingsFormat.generate "${name}.yaml" value; })
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cfg.configurations;
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borgmaticCheck = name: f: pkgs.runCommandCC "${name} validation" { } ''
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${pkgs.borgmatic}/bin/borgmatic -c ${f.source} config validate
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touch $out
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'';
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in
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mkIf cfg.enable {
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warnings = []
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++ optional (cfg.settings != null && cfg.settings ? location)
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"`services.borgmatic.settings.location` is deprecated, please move your options out of sections to the global scope"
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++ optional (catAttrs "location" (attrValues cfg.configurations) != [])
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"`services.borgmatic.configurations.<name>.location` is deprecated, please move your options out of sections to the global scope"
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;
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environment.systemPackages = [ pkgs.borgmatic ];
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environment.etc = configFiles;
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systemd.packages = [ pkgs.borgmatic ];
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# Workaround: https://github.com/NixOS/nixpkgs/issues/81138
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systemd.timers.borgmatic.wantedBy = [ "timers.target" ];
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system.checks = mkIf cfg.enableConfigCheck (mapAttrsToList borgmaticCheck configFiles);
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};
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}
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