diff options
Diffstat (limited to '')
| -rw-r--r-- | sys/btrfs/mounts.nix | 58 | ||||
| -rw-r--r-- | sys/btrfs/snapper.nix | 99 |
2 files changed, 84 insertions, 73 deletions
diff --git a/sys/btrfs/mounts.nix b/sys/btrfs/mounts.nix index 133f08f..3863356 100644 --- a/sys/btrfs/mounts.nix +++ b/sys/btrfs/mounts.nix @@ -1,39 +1,47 @@ -{ lib, config, pkgs, ... }: +{ + lib, + config, + pkgs, + ... +}: with lib; let cfg = config.local.btrfs; -in -{ +in { options.local.btrfs = { mounts = mkOption { - default = { }; + default = {}; - type = with lib.types; attrsOf (submodule { - options = { - ssd = mkOption { - type = bool; - }; + type = with lib.types; + attrsOf (submodule { + options = { + ssd = mkOption { + type = bool; + }; - device = mkOption { - type = str; - }; + device = mkOption { + type = str; + }; - subvol = mkOption { - type = str; + subvol = mkOption { + type = str; + }; }; - }; - }); + }); }; }; - config = mkIf (cfg.mounts != { }) { - fileSystems = - let - btrfsMount = { device, subvol, ssd }: { - inherit device; - fsType = "btrfs"; - options = [ "noatime" "compress=zstd" "subvol=${subvol}" ] ++ optional ssd "ssd"; - }; - in + config = mkIf (cfg.mounts != {}) { + fileSystems = let + btrfsMount = { + device, + subvol, + ssd, + }: { + inherit device; + fsType = "btrfs"; + options = ["noatime" "compress=zstd" "subvol=${subvol}"] ++ optional ssd "ssd"; + }; + in mapAttrs (_: btrfsMount) cfg.mounts; }; } diff --git a/sys/btrfs/snapper.nix b/sys/btrfs/snapper.nix index 27d2779..2d29aa4 100644 --- a/sys/btrfs/snapper.nix +++ b/sys/btrfs/snapper.nix @@ -1,73 +1,76 @@ -{ config, lib, pkgs, ... }: +{ + config, + lib, + pkgs, + ... +}: with lib; let cfg = config.local.btrfs; -in -{ +in { options.local.btrfs = { snapper = mkOption { type = with lib.types; attrsOf str; - default = { }; + default = {}; }; }; - config = mkIf (cfg.snapper != { }) { - environment.systemPackages = [ pkgs.local.btclone ]; + config = mkIf (cfg.snapper != {}) { + environment.systemPackages = [pkgs.local.btclone]; - services.snapper.configs = - let - snapperConfig = _: subvolume: { - SUBVOLUME = subvolume; + services.snapper.configs = let + snapperConfig = _: subvolume: { + SUBVOLUME = subvolume; - # btrfs qgroup for space aware cleanup algorithms - QGROUP = ""; + # btrfs qgroup for space aware cleanup algorithms + QGROUP = ""; - # fraction of the filesystems space the snapshots may use - SPACE_LIMIT = "0.5"; + # fraction of the filesystems space the snapshots may use + SPACE_LIMIT = "0.5"; - # fraction of the filesystems space that should be free - FREE_LIMIT = "0.2"; + # fraction of the filesystems space that should be free + FREE_LIMIT = "0.2"; - # users and groups allowed to work with config - ALLOW_USERS = [ ]; - ALLOW_GROUPS = [ ]; + # users and groups allowed to work with config + ALLOW_USERS = []; + ALLOW_GROUPS = []; - # sync users and groups from ALLOW_USERS and ALLOW_GROUPS to .snapshots - # directory - SYNC_ACL = "no"; + # sync users and groups from ALLOW_USERS and ALLOW_GROUPS to .snapshots + # directory + SYNC_ACL = "no"; - # start comparing pre- and post-snapshot in background after creating - # post-snapshot - BACKGROUND_COMPARISON = "yes"; + # start comparing pre- and post-snapshot in background after creating + # post-snapshot + BACKGROUND_COMPARISON = "yes"; - # run daily number cleanup - NUMBER_CLEANUP = "yes"; + # run daily number cleanup + NUMBER_CLEANUP = "yes"; - # limit for number cleanup - NUMBER_MIN_AGE = "1800"; - NUMBER_LIMIT = "100"; - NUMBER_LIMIT_IMPORTANT = "10"; + # limit for number cleanup + NUMBER_MIN_AGE = "1800"; + NUMBER_LIMIT = "100"; + NUMBER_LIMIT_IMPORTANT = "10"; - # create hourly snapshots - TIMELINE_CREATE = true; + # create hourly snapshots + TIMELINE_CREATE = true; - # cleanup hourly snapshots after some time - TIMELINE_CLEANUP = true; + # cleanup hourly snapshots after some time + TIMELINE_CLEANUP = true; - # limits for timeline cleanup - TIMELINE_MIN_AGE = "1800"; - TIMELINE_LIMIT_HOURLY = "24"; - TIMELINE_LIMIT_DAILY = "7"; - TIMELINE_LIMIT_WEEKLY = "4"; - TIMELINE_LIMIT_MONTHLY = "12"; - TIMELINE_LIMIT_YEARLY = "10"; + # limits for timeline cleanup + TIMELINE_MIN_AGE = "1800"; + TIMELINE_LIMIT_HOURLY = "24"; + TIMELINE_LIMIT_DAILY = "7"; + TIMELINE_LIMIT_WEEKLY = "4"; + TIMELINE_LIMIT_MONTHLY = "12"; + TIMELINE_LIMIT_YEARLY = "10"; - # cleanup empty pre-post-pairs - EMPTY_PRE_POST_CLEANUP = "yes"; + # cleanup empty pre-post-pairs + EMPTY_PRE_POST_CLEANUP = "yes"; - # limits for empty pre-post-pair cleanup - EMPTY_PRE_POST_MIN_AGE = "1800"; - }; - in + # limits for empty pre-post-pair cleanup + EMPTY_PRE_POST_MIN_AGE = "1800"; + }; + in mapAttrs snapperConfig cfg.snapper; }; } |