From c162b262abd11eb1e026250021efd7f9218c25a1 Mon Sep 17 00:00:00 2001
From: L-Nafaryus <l.nafaryus@gmail.com>
Date: Wed, 3 Apr 2024 22:24:18 +0500
Subject: [PATCH] catarina: backups and snapshots #1, fs description #3

---
 nixosConfigurations/catarina/README.md    | 31 +++++++++++++
 nixosConfigurations/catarina/default.nix  | 53 +++++++++++++++++------
 nixosConfigurations/catarina/hardware.nix | 12 +++++
 3 files changed, 82 insertions(+), 14 deletions(-)
 create mode 100644 nixosConfigurations/catarina/README.md

diff --git a/nixosConfigurations/catarina/README.md b/nixosConfigurations/catarina/README.md
new file mode 100644
index 0000000..1425e9f
--- /dev/null
+++ b/nixosConfigurations/catarina/README.md
@@ -0,0 +1,31 @@
+# catarina
+
+## Partitions
+```sh 
+mkfs.fat -F 32 /dev/sda1
+fatlabel /dev/sda1 boot
+
+mkfs.btrfs /dev/sda2 
+btrfs filesystem label /dev/sda2 nixos
+
+mkdir -p /mnt 
+mount /dev/sda2 /mnt 
+btrfs subvolume create /mnt/root
+btrfs subvolume create /mnt/nix 
+btrfs subvolume create /mnt/home
+btrfs subvolume create /mnt/persist
+btrfs subvolume create /mnt/swap
+umount /mnt 
+
+mount -o compress=zstd,subvol=root /dev/sda2 /mnt 
+mkdir /mnt/{boot,nix,home,persist,swap}
+mount /dev/sda1 /mnt/boot
+mount -o compress=zstd,noatime,subvol=nix /dev/sda2 /mnt/nix 
+mount -o compress=zstd,subvol=home /dev/sda2 /mnt/home
+mount -o compress=zstd,subvol=persist /dev/sda2 /mnt/persist
+mount -o noatime,subvol=swap /dev/sda2 /mnt/swap
+
+btrfs filesystem mkswapfile --size 16g --uuid clear /swap/swapfile
+
+mkdir -p /media/{storage,btrbk-backups,btrbk-snapshots}
+```
diff --git a/nixosConfigurations/catarina/default.nix b/nixosConfigurations/catarina/default.nix
index e548710..20677b2 100644
--- a/nixosConfigurations/catarina/default.nix
+++ b/nixosConfigurations/catarina/default.nix
@@ -161,22 +161,46 @@ rec {
 
     services.spoofdpi.enable = true;
 
-    services.qbittorrent-nox = {
-        enable = false;
-        webuiPort = 8085;
-        openFirewall = true;
+    services.btrfs.autoScrub = {
+        enable = true;
+        interval = "monthly";
+        fileSystems = [ "/" ];
     };
 
-    #services.btrbk = {
-    #    instances."catarina" = {
-    #        onCalendar = "weekly";
-    #        settings = {
-    #            volume."/" = {
-    #                
-    #            };
-    #        };
-    #    };
-    #};
+    services.btrbk = {
+        instances."catarina" = {
+            onCalendar = "daily";
+
+            settings = {
+                snapshot_preserve_min = "2d";
+                snapshot_preserve = "14d";
+                snapshot_dir = "/media/btrbk-snapshots";
+                target_preserve_min = "no";
+                target_preserve = "14d 8w *m";
+
+                volume."/" = {
+                    target = "/media/btrbk-backups";
+                    subvolume = {
+                        "var/lib/gitea" = {};
+                        "var/lib/postgresql" = {};
+                        "var/lib/postfix" = {};
+                        "var/vmail" = {};
+                    };
+                };
+            };
+        };
+    };
+
+    services.transmission = {
+        enable = true;
+        openRPCPort = true;
+        settings = {
+            rpc-bind-address = "0.0.0.0";
+            rpc-whitelist = "127.0.0.1,192.168.156.101";
+            download-dir = "/media/storage/downloads";
+            incomplete-dir = "/media/storage/downloads/incomplete";
+        };
+    };
 
 # Packages
     environment.systemPackages = with pkgs; [
@@ -186,6 +210,7 @@ rec {
         sshfs
         exfat
         btrfs-progs
+        btrbk
 
         lm_sensors
 
diff --git a/nixosConfigurations/catarina/hardware.nix b/nixosConfigurations/catarina/hardware.nix
index 9581d8a..2c58c06 100644
--- a/nixosConfigurations/catarina/hardware.nix
+++ b/nixosConfigurations/catarina/hardware.nix
@@ -93,6 +93,18 @@
             fsType = "btrfs";
             options = [ "subvol=swap" "noatime" ];
         };
+
+        "/media/storage" = {
+            device = "/dev/disk/by-label/storage";
+            fsType = "btrfs";
+            options = [ "subvol=storage" "nofail" "compress=zstd" ];
+        };
+
+        "/media/btrbk-backups" = {
+            device = "/dev/disk/by-label/storage";
+            fsType = "btrfs";
+            options = [ "subvol=btrbk-backups" "nofail" "compress=zstd" ];
+        };
     };
 
     swapDevices = [