From 719b8fb7a8b9b4992200c222b37bd9a6744c25ec Mon Sep 17 00:00:00 2001 From: makefu Date: Tue, 5 Jan 2016 16:21:01 +0100 Subject: ma 3 snapraid: init, configuration for omo --- makefu/3modules/snapraid.nix | 125 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 makefu/3modules/snapraid.nix (limited to 'makefu/3modules/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 -- cgit v1.2.3