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-rw-r--r--makefu/3modules/default.nix1
-rw-r--r--makefu/3modules/snapraid.nix125
2 files changed, 126 insertions, 0 deletions
diff --git a/makefu/3modules/default.nix b/makefu/3modules/default.nix
index a8a1f69d0..218c9138e 100644
--- a/makefu/3modules/default.nix
+++ b/makefu/3modules/default.nix
@@ -2,6 +2,7 @@ _:
{
imports = [
+ ./snapraid.nix
];
}
diff --git a/makefu/3modules/snapraid.nix b/makefu/3modules/snapraid.nix
new file mode 100644
index 000000000..fbdf50219
--- /dev/null
+++ b/makefu/3modules/snapraid.nix
@@ -0,0 +1,125 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+ # returns dirname without / , used as disk name
+ dname = dir: replaceChars ["/"] [""] (head (reverseList (splitString "/" dir)));
+ snapraid-conf = ''
+ # Disks
+ ${concatMapStringsSep "\n" (d: "disk ${dname d} ${d}") cfg.disks}
+ # Parity
+ ${optionalString (cfg.parity != "") "parity ${cfg.parity}/snapraid.parity"}
+
+ # content on Disks
+ ${optionalString cfg.contentOnDisks
+ concatMapStringsSep "\n" (d: "content ${d}/snapraid.content") cfg.disks}
+
+ # content on Parity
+ ${optionalString (cfg.contentOnParity && cfg.parity != "")
+ "content ${cfg.parity}/snapraid.content"}
+ # Default content file
+ content ${cfg.defaultContentFile}
+
+ # Extra Configuration
+ ${cfg.extraConfig}
+ '';
+ cfg = config.makefu.snapraid;
+
+ out = {
+ options.makefu.snapraid = api;
+ config = mkIf cfg.enable imp;
+ };
+
+ api = {
+ enable = mkEnableOption "snapraid";
+
+ timerConfig = mkOption {
+ type = types.unspecified;
+ description = ''
+ Start snapraid service
+ '';
+ default = {
+ OnCalendar = "daily";
+ };
+ };
+ disks = mkOption {
+ type = with types;listOf str;
+ description = ''
+ Disks to protect. Each disk is a path to the mounted directory of the
+ disk.
+ '';
+ };
+ parity = mkOption {
+ type = types.str;
+ description = ''
+ Folder to store parity file.
+ Set to empty string if you want to configure the parity yourself in
+ extraConfig.
+
+ All extra parity files (2,3,z, etc...) should be configured via
+ extraConfig.
+ '';
+ };
+ contentOnDisks = mkOption {
+ type = types.bool;
+ default = true;
+ description = ''
+ Store Content file on each Disk to protect.
+ Set this to false if you do not want this behavior to apply.
+ '';
+ };
+ contentOnParity = mkOption {
+ type = types.bool;
+ default = true;
+ description = ''
+ Store Content file on parity Disk.
+ Set this to false if you do not want this behavior to apply.
+ '';
+ };
+ defaultContentFile = mkOption {
+ type = types.str;
+ default = "/var/cache/snapraid.content";
+ description = ''
+ Path to default content file
+ Set to empty string if this content file should be written.
+ '';
+ };
+ extraConfig = mkOption {
+ type = types.string;
+ default = "";
+ description = ''
+ Extra configuration to be appended to the snapraid conf file.
+ You can configure extra Parity files as well as extra content files.
+ See `man snapraid` for additional configuration
+ '';
+ };
+ };
+
+ imp = {
+ environment.systemPackages = [
+ # for scrubbing,fixing
+ pkgs.snapraid
+ ];
+ environment.etc."snapraid.conf".text = snapraid-conf;
+ systemd.timers.snapraid-sync = {
+ description = "snapraid sync timer";
+ wantedBy = [ "timers.target" ];
+ timerConfig = cfg.timerConfig;
+ };
+ systemd.services.snapraid-sync = {
+ description = "Snapraid sync service";
+ after = [ "network.target" "local-fs.target" ];
+
+ serviceConfig = {
+ Type = "simple";
+ ExecStartPre = pkgs.writeScript "Snapraid-sync-init" ''
+ #! /bin/sh
+ ${optionalString (cfg.defaultContentFile != "")
+ "mkdir -p $(dirname ${cfg.defaultContentFile})"}
+ '';
+ ExecStart = "${pkgs.snapraid}/bin/snapraid sync";
+ };
+ };
+ };
+in out