From 32282ae39d352428988891207fb4f276a311846a Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sun, 6 Feb 2022 21:20:24 +0100
Subject: vidhar: borg

---
 modules/borgbackup/default.nix | 206 -----------------------------------------
 1 file changed, 206 deletions(-)
 delete mode 100644 modules/borgbackup/default.nix

(limited to 'modules/borgbackup/default.nix')

diff --git a/modules/borgbackup/default.nix b/modules/borgbackup/default.nix
deleted file mode 100644
index a0419d0e..00000000
--- a/modules/borgbackup/default.nix
+++ /dev/null
@@ -1,206 +0,0 @@
-{ config, lib, utils, pkgs, ... }:
-
-with utils;
-with lib;
-
-let
-  cfg = config.services.borgbackup;
-
-  lvmPath = {
-    options = {
-      LV = mkOption {
-        type = types.str;
-      };
-      VG = mkOption {
-        type = types.str;
-      };
-    };
-  };
-
-  pathType = if cfg.snapshots == "lvm" then types.submodule lvmPath else types.path;
-
-  systemdPath = path: escapeSystemdPath (if cfg.snapshots == "lvm" then "${path.VG}-${path.LV}" else path);
-
-  withSuffix = path: path + (if cfg.snapshots == "btrfs" then config.services.btrfs-snapshots.mountSuffix else config.services.lvm-snapshots.mountSuffix);
-
-  mountPoint = if cfg.snapshots == "lvm" then config.services.lvm-snapshots.mountPoint else "";
-
-  targetOptions = {
-    options = {
-      repo = mkOption {
-        type = types.str;
-      };
-    
-      paths = mkOption {
-        type = types.listOf pathType;
-        default = [];
-      };
-
-      prune = mkOption {
-        type = types.attrsOf (types.listOf types.str);
-        default = {};
-      };
-
-      interval = mkOption {
-        type = types.str;
-        default = "6h";
-      };
-
-      jitter = mkOption {
-        type = with types; nullOr str;
-        default = "6h";
-      };
-
-      lock = mkOption {
-        type = types.nullOr types.str;
-        default = "backup";
-      };
-
-      network = mkOption {
-        type = types.bool;
-        default = true;
-      };
-
-      lockWait = mkOption {
-        type = types.int;
-        default = 600;
-      };
-
-      keyFile = mkOption {
-        type = types.nullOr types.path;
-        default = null;
-      };
-    };
-  };
-in {
-  disabledModules = [ "services/backup/borgbackup.nix" ];
-  
-  options = {
-    services.borgbackup = {
-      snapshots = mkOption {
-        type = types.nullOr (types.enum ["btrfs" "lvm"]);
-        default = null;
-      };
-
-      targets = mkOption {
-        type = types.attrsOf (types.submodule targetOptions);
-        default = {};
-      };
-
-      prefix = mkOption {
-        type = types.str;
-      };
-    };
-  };
-
-  imports =
-    [ ./lvm-snapshots.nix
-      ./btrfs-snapshots.nix
-    ];
-
-  config = mkIf (any (t: t.paths != []) (attrValues cfg.targets)) {
-    services.btrfs-snapshots.enable = mkIf (cfg.snapshots == "btrfs") true;
-
-    services.lvm-snapshots.snapshots = mkIf (cfg.snapshots == "lvm") (listToAttrs (map (path: nameValuePair (path.VG + "-" + path.LV) {
-      inherit (path) LV VG; 
-      mountName = withSuffix (path.VG + "-" + path.LV);
-    }) (unique (flatten (mapAttrsToList (target: tCfg: tCfg.paths) cfg.targets)))));
-
-    systemd.targets."timers-borg" = {
-      wantedBy = [ "timers.target" ];
-    };
-
-    systemd.slices."system-borgbackup" = {};
-  
-    systemd.timers = (listToAttrs (map ({ target, path, tCfg }: nameValuePair "borgbackup-${target}@${systemdPath path}" {
-      requiredBy = [ "timers-borg.target" ];
-
-      timerConfig = {
-        Persistent = false;
-        OnBootSec = tCfg.interval;
-        OnUnitActiveSec = tCfg.interval;
-        RandomizedDelaySec = mkIf (tCfg.jitter != null) tCfg.jitter;
-      };
-    }) (flatten (mapAttrsToList (target: tCfg: map (path: { inherit target path tCfg; }) tCfg.paths) cfg.targets)))) // (mapAttrs' (target: tCfg: nameValuePair "borgbackup-prune-${target}" {
-      enable = tCfg.prune != {};
-    
-      requiredBy = [ "timers-borg.target" ];
-
-      timerConfig = {
-        Persistent = false;
-        OnBootSec = tCfg.interval;
-        OnUnitActiveSec = tCfg.interval;
-        RandomizedDelaySec = mkIf (tCfg.jitter != null) tCfg.jitter;
-      };
-    }) cfg.targets);
-
-    systemd.services = (mapAttrs' (target: tCfg: nameValuePair "borgbackup-${target}@" (let
-      deps = flatten [
-        (optional (cfg.snapshots == "btrfs") "btrfs-snapshot@%i.service")
-        (optional tCfg.network "network-online.target")
-      ];
-    in {
-      bindsTo = deps;
-      after = deps;
-
-      path = with pkgs; [borgbackup] ++ optional (tCfg.lock != null) utillinux;
-
-      script = let
-        borgCmd = ''
-          borg create \
-            --lock-wait ${toString tCfg.lockWait} \
-            --stats \
-            --list \
-            --filter 'AME' \
-            --exclude-caches \
-            --keep-exclude-tags \
-            --patterns-from .backup-${target} \
-            --one-file-system \
-            --compression auto,lzma \
-            ${tCfg.repo}::${cfg.prefix}$1-{utcnow}
-        '';
-      in if tCfg.lock == null then borgCmd else "flock -xo /var/lock/${tCfg.lock} ${borgCmd}";
-      scriptArgs = if cfg.snapshots == "lvm" then "%I" else "%i";
-
-      unitConfig = {
-        AssertPathIsDirectory = mkIf (tCfg.lock != null) "/var/lock";
-        DefaultDependencies = false;
-        RequiresMountsFor = mkIf (cfg.snapshots == "lvm") [ "${mountPoint}/${withSuffix "%I"}" ];
-      };
-
-      serviceConfig = {
-        Type = "oneshot";
-        WorkingDirectory = if (cfg.snapshots == null) then "%I" else (if (cfg.snapshots == "lvm") then "${mountPoint}/${withSuffix "%I"}" else "${withSuffix "%f"}");
-        Nice = 15;
-        IOSchedulingClass = 2;
-        IOSchedulingPriority = 7;
-        SuccessExitStatus = [1 2];
-        Slice = "system-borgbackup.slice";
-        Environment = lib.mkIf (tCfg.keyFile != null) "BORG_KEY_FILE=${tCfg.keyFile}";
-      };
-    })) cfg.targets) // (mapAttrs' (target: tCfg: nameValuePair "borgbackup-prune-${target}" {
-      enable = tCfg.prune != {};
-    
-      bindsTo = ["network-online.target"];
-      after = ["network-online.target"];
-
-      path = with pkgs; [borgbackup];
-
-      script = concatStringsSep "\n" (mapAttrsToList (path: args: ''
-        borg prune \
-          --lock-wait ${toString tCfg.lockWait} \
-          --list \
-          --stats \
-          --prefix ${escapeShellArg "${cfg.prefix}${path}"} \
-          ${escapeShellArgs args} \
-          ${tCfg.repo}
-      '') tCfg.prune);
-
-      serviceConfig = {
-        Type = "oneshot";
-        Slice = "system-borgbackup.slice";
-        Environment = lib.mkIf (tCfg.keyFile != null) "BORG_KEY_FILE=${tCfg.keyFile}";
-      };
-    }) cfg.targets);
-  };
-}
-- 
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