From 86b40990b6a9fe81b34979b233184df4680145e1 Mon Sep 17 00:00:00 2001
From: Ingolf Wagner <contact@ingolf-wagner.de>
Date: Tue, 2 May 2023 19:15:30 +0200
Subject: [PATCH] configure zfs auto-snapshot

---
 nixos/machines/chungus/configuration.nix | 2 +-
 nixos/machines/chungus/disko-config.nix  | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/nixos/machines/chungus/configuration.nix b/nixos/machines/chungus/configuration.nix
index 9dd5f27..5dc44ea 100644
--- a/nixos/machines/chungus/configuration.nix
+++ b/nixos/machines/chungus/configuration.nix
@@ -42,7 +42,7 @@
   boot.supportedFilesystems = [ "zfs" ];
   # head -c4 /dev/urandom | od -A none -t x4
   networking.hostId = "e439b116";
-  #boot.zfs.extraPools = [ "zraid" ];
+  services.zfs.autoSnapshot.enable = true;
 
   sops.defaultSopsFile = ../../secrets/chungus.yaml;
 
diff --git a/nixos/machines/chungus/disko-config.nix b/nixos/machines/chungus/disko-config.nix
index 11b9f8d..05b7a71 100644
--- a/nixos/machines/chungus/disko-config.nix
+++ b/nixos/machines/chungus/disko-config.nix
@@ -118,6 +118,8 @@ in
             options = {
               mountpoint = "legacy";
               compression = "lz4";
+              "com.sun:auto-snapshot" = "false";
+              "com.sun:auto-snapshot:daily" = "true,keep=32";
             };
           };
           "nextcloud" = {
@@ -147,6 +149,9 @@ in
             options = {
               mountpoint = "legacy";
               compression = "lz4";
+              "com.sun:auto-snapshot" = "false";
+              "com.sun:auto-snapshot:daily" = "true,keep=32";
+              "com.sun:auto-snapshot:montly" = "true,keep=48";
             };
           };
           "services/gitea" = {