93 lines
2.2 KiB
Nix
93 lines
2.2 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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let
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bootkey = key: { "/crypto/keys/${key}" = /crypto/keys/${key}; };
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zfskeys = [
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"zfs-attic-key"
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"zfs-backup-key"
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"zfs-calibre-key"
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"zfs-db-key"
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"zfs-docker-key"
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"zfs-games-key"
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"zfs-hydra-key"
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"zfs-libvirt-key"
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"zfs-main-key"
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"zfs-nxtcld-key"
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"zfs-torr-key"
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"zfs-var-docker-key"
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"zfs-nix-store-key"
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];
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in
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{
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boot = {
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zfs.extraPools = [ "ZFS-primary" ];
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filesystem = "zfs";
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initrd.secrets = lib.mergeAttrsList (map bootkey zfskeys);
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extraModprobeConfig = ''
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options zfs zfs_arc_min=82463372083
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options zfs zfs_arc_max=192414534860
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'';
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};
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services = {
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zfs = {
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trim.enable = true;
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autoScrub.enable = true;
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};
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sanoid = {
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enable = true;
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datasets = {
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"ZFS-primary/attic".useTemplate = [ "nix-prod" ];
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"ZFS-primary/backups".useTemplate = [ "production" ];
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"ZFS-primary/calibre".useTemplate = [ "production" ];
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"ZFS-primary/db".useTemplate = [ "production" ];
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"ZFS-primary/docker".useTemplate = [ "production" ];
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"ZFS-primary/hydra".useTemplate = [ "nix-prod" ];
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"ZFS-primary/nextcloud".useTemplate = [ "production" ];
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# all docker containers should have a bind mount if they expect lasting zfs snapshots
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"ZFS-primary/vardocker".useTemplate = [ "nix-prod" ];
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"ZFS-primary/games" = {
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useTemplate = [ "games" ];
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recursive = true;
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processChildrenOnly = true;
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};
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};
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templates = {
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# full resiliency
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production = {
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frequently = 0;
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hourly = 36;
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daily = 30;
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monthly = 6;
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yearly = 3;
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autosnap = true;
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autoprune = true;
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};
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# some resiliency, but not much
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# common option for things like nix store and attic where there is
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# already a lot of resiliency built in
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nix-prod = {
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frequently = 4;
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hourly = 24;
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daily = 7;
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};
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# much shorter lived than others
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games = {
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frequently = 6;
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hourly = 36;
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daily = 3;
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autosnap = true;
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autoprune = true;
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};
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};
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};
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};
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}
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