127 lines
3.5 KiB
Nix
127 lines
3.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with import <stockholm/lib>;
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let
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# returns dirname without / , used as disk name
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dname = dir: replaceChars ["/"] [""] (head (reverseList (splitString "/" dir)));
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snapraid-conf = ''
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# Disks
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${concatMapStringsSep "\n" (d: "disk ${dname d} ${d}") cfg.disks}
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# Parity
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${optionalString (cfg.parity != "") "parity ${cfg.parity}/snapraid.parity"}
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# content on Disks
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${optionalString cfg.contentOnDisks
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concatMapStringsSep "\n" (d: "content ${d}/snapraid.content") cfg.disks}
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# content on Parity
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${optionalString (cfg.contentOnParity && cfg.parity != "")
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"content ${cfg.parity}/snapraid.content"}
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# Default content file
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content ${cfg.defaultContentFile}
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# Extra Configuration
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${cfg.extraConfig}
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'';
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cfg = config.makefu.snapraid;
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out = {
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options.makefu.snapraid = api;
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config = lib.mkIf cfg.enable imp;
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};
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api = {
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enable = mkEnableOption "snapraid";
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timerConfig = mkOption {
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type = with types;attrsOf str;
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description = ''
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Start snapraid service
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'';
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default = {
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OnCalendar = "daily";
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};
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};
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disks = mkOption {
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type = with types;listOf str;
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description = ''
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Disks to protect. Each disk is a path to the mounted directory of the
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disk.
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'';
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};
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parity = mkOption {
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type = types.str;
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description = ''
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Folder to store parity file.
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Set to empty string if you want to configure the parity yourself in
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extraConfig.
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All extra parity files (2,3,z, etc...) should be configured via
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extraConfig.
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'';
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};
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contentOnDisks = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Store Content file on each Disk to protect.
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Set this to false if you do not want this behavior to apply.
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'';
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};
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contentOnParity = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Store Content file on parity Disk.
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Set this to false if you do not want this behavior to apply.
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'';
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};
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defaultContentFile = mkOption {
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type = types.str;
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default = "/var/cache/snapraid.content";
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description = ''
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Path to default content file
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Set to empty string if this content file should be written.
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'';
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};
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extraConfig = mkOption {
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type = types.string;
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default = "";
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description = ''
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Extra configuration to be appended to the snapraid conf file.
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You can configure extra Parity files as well as extra content files.
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See `man snapraid` for additional configuration
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'';
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};
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};
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imp = {
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environment.systemPackages = [
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# for scrubbing,fixing
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pkgs.snapraid
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];
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krebs.on-failure.plans.snapraid-sync.name = "snapraid-sync";
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environment.etc."snapraid.conf".text = snapraid-conf;
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systemd.timers.snapraid-sync = {
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description = "snapraid sync timer";
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wantedBy = [ "timers.target" ];
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timerConfig = cfg.timerConfig;
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};
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systemd.services.snapraid-sync = {
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description = "Snapraid sync service";
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after = [ "network.target" "local-fs.target" ];
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serviceConfig = {
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Type = "simple";
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ExecStartPre = pkgs.writeScript "Snapraid-sync-init" ''
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#! /bin/sh
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${optionalString (cfg.defaultContentFile != "")
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"mkdir -p $(dirname ${cfg.defaultContentFile})"}
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'';
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ExecStart = "${pkgs.snapraid}/bin/snapraid sync";
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};
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};
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};
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in out
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