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/lvm-snapshots.nix | 133 -----------------------------------
 1 file changed, 133 deletions(-)
 delete mode 100644 modules/borgbackup/lvm-snapshots.nix

(limited to 'modules/borgbackup/lvm-snapshots.nix')

diff --git a/modules/borgbackup/lvm-snapshots.nix b/modules/borgbackup/lvm-snapshots.nix
deleted file mode 100644
index 9b2a6562..00000000
--- a/modules/borgbackup/lvm-snapshots.nix
+++ /dev/null
@@ -1,133 +0,0 @@
-{ config, lib, utils, pkgs, ... }:
-
-with utils;
-with lib;
-
-let
-  cfg = config.services.lvm-snapshots;
-
-  snapshotMount = name: "${cfg.mountPoint}/${if isNull cfg.snapshots."${name}".mountName then name else cfg.snapshots."${name}".mountName}";
-  snapshotName = name: "${name}-${cfg.mountSuffix}";
-
-  snapshotConfig = {
-    options = {
-      LV = mkOption {
-        type = types.str;
-      };
-
-      VG = mkOption {
-        type = types.str;
-      };
-
-      mountName = mkOption {
-        type = types.nullOr types.str;
-        default = null;
-      };
-      
-      cowSize = mkOption {
-        type = types.str;
-        default = "-l20%ORIGIN";
-      };
-
-      readOnly = mkOption {
-        type = types.bool;
-        default = true;
-      };
-
-      persist = mkOption {
-        type = types.bool;
-        default = false;
-      };
-    };
-  };
-in {
-  options = {
-
-    services.lvm-snapshots = {
-      snapshots = mkOption {
-        type = types.attrsOf (types.submodule snapshotConfig);
-        default = {};
-      };
-
-      mountPoint = mkOption {
-        type = types.path;
-        default = "/mnt";
-      };
-
-      mountSuffix = mkOption {
-        type = types.str;
-        default = "-snapshot";
-      };
-    };
-  };
-
-  
-  config = mkIf (cfg != {}) {
-
-    boot.kernelModules = [ "dm_snapshot" ];
-
-    # system.activationScripts = mapAttrs' (name: scfg: nameValuePair ("lvm-mountpoint" + name) ''
-    #   mkdir -p ${snapshotMount name}
-    # '') cfg.snapshots;
-
-    systemd.services = mapAttrs' (name: scfg: nameValuePair ("lvm-snapshot@" + escapeSystemdPath name) {
-      enable = true;
-
-      description = "LVM-snapshot of ${scfg.VG}/${scfg.LV}";
-
-      bindsTo = ["${escapeSystemdPath "/dev/${scfg.VG}/${scfg.LV}"}.device"];
-      after = ["${escapeSystemdPath "/dev/${scfg.VG}/${scfg.LV}"}.device"];
-
-      unitConfig = {
-        StopWhenUnneeded = !scfg.persist;
-        AssertPathIsDirectory = "/var/lock";
-      };
-
-      path = with pkgs; [ devicemapper utillinux ];
-      
-      script = ''
-        (
-          flock -xn -E 4 9
-          if [[ "$?" -ne 0 ]]; then
-            exit $?
-          fi
-          
-          lvcreate -s ${scfg.cowSize} --name ${snapshotName name} ${scfg.VG}/${scfg.LV}
-
-          sleep infinity &
-        ) 9>/var/lock/lvm-snapshot.${scfg.VG}
-      '';
-      
-      preStart = ''
-        lvremove -f ${scfg.VG}/${snapshotName name}
-      '';
-
-      preStop = ''
-        lvremove -f ${scfg.VG}/${snapshotName name}
-      '';
-
-      serviceConfig = with pkgs; {
-        Type = "forking";
-        RestartForceExitStatus = [ "4" ];
-        RestartSec = "5min";
-      };
-    }) cfg.snapshots;
-
-    systemd.mounts = mapAttrsToList (name: scfg: {
-      enable = true;
-
-      unitConfig = {
-        # AssertPathIsDirectory = snapshotMount name;
-        StopWhenUnneeded = !scfg.persist;
-      };
-
-      bindsTo = [ ("lvm-snapshot@" + escapeSystemdPath name + ".service") ];
-      after = [ ("lvm-snapshot@" + escapeSystemdPath name + ".service") ];
-
-      options = concatStringsSep "," ([ "noauto" ] ++ optional scfg.readOnly "ro");
-
-      where = snapshotMount name;
-      what = "/dev/" + scfg.VG + "/" + snapshotName name;
-    }) cfg.snapshots;
-  };
-}
-- 
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