92 lines
2.3 KiB
Nix
92 lines
2.3 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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with lib.my;
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let
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cfg = config.ragon.system.fs;
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nix = cfg.nix;
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varlog = cfg.varlog;
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persistent = cfg.persistent;
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persistentSnapshot = cfg.persistentSnapshot;
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arcSize = cfg.arcSize;
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hostName = config.networking.hostName;
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in
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{
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options.ragon.system.fs = {
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enable = lib.mkEnableOption "Enables ragons fs stuff, (tmpfs,zfs,backups,...)";
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mediadata = mkBoolOpt true;
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swap = mkBoolOpt true;
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persistentSnapshot = mkBoolOpt true;
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nix = lib.mkOption {
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type = lib.types.str;
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default = "pool/nix";
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};
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varlog = lib.mkOption {
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type = lib.types.str;
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default = "pool/varlog";
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};
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persistent = lib.mkOption {
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type = lib.types.str;
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default = "pool/persist";
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};
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arcSize = lib.mkOption {
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type = lib.types.int;
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default = 2;
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description = "Sets the ZFS Arc Size (in GB)";
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};
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};
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config = lib.mkIf cfg.enable {
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services.zfs.autoScrub.enable = true;
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services.sanoid = {
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enable = mkDefault persistentSnapshot;
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} // (if persistentSnapshot then { datasets."${persistent}" = { }; } else { });
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services.syncoid = {
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user = "root";
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group = "root";
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sshKey = /persistent/root/.ssh/id_rsa;
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enable = mkDefault true;
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commonArgs = [
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];
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commands."${persistent}" = {
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target = "ragon@ds9:rpool/content/local/backups/${hostName}"; # FIXME extra user
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recvOptions = "x encryption";
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};
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};
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boot.kernelParams = [ "zfs.zfs_arc_max=${toString (arcSize * 1024 * 1024 * 1024)}" ];
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fileSystems."/" =
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{
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device = "none";
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fsType = "tmpfs";
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options = [ "size=8G" "defaults" "mode=755" ];
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};
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fileSystems."/nix" =
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{
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device = "${nix}";
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fsType = "zfs";
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neededForBoot = true;
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};
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fileSystems."/persistent" =
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{
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device = "${persistent}";
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fsType = "zfs";
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neededForBoot = true;
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};
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fileSystems."/var/log" =
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{
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device = "${varlog}";
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fsType = "zfs";
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};
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fileSystems."/boot" =
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{
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device = mkDefault "/dev/disk/by-label/boot";
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fsType = "vfat";
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options = [ "noauto" "x-systemd.automount" ];
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};
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swapDevices = mkIf cfg.swap [
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{ device = "/persistent/pagefile.sys"; }
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];
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};
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}
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