From d176a33b04e9c0254b42850255d2a864f22424e4 Mon Sep 17 00:00:00 2001
From: Soispha <soispha@vhack.eu>
Date: Mon, 3 Jul 2023 15:04:48 +0200
Subject: Feat(system/disks): Add disko

---
 system/default.nix                          |  2 +-
 system/disks/default.nix                    | 65 +++++++++++++++++++++++++++++
 system/disks/impermanence.nix               | 26 ++++++++++++
 system/file_system_layouts/default.nix      | 44 -------------------
 system/file_system_layouts/impermanence.nix | 26 ------------
 5 files changed, 92 insertions(+), 71 deletions(-)
 create mode 100644 system/disks/default.nix
 create mode 100644 system/disks/impermanence.nix
 delete mode 100644 system/file_system_layouts/default.nix
 delete mode 100644 system/file_system_layouts/impermanence.nix

(limited to 'system')

diff --git a/system/default.nix b/system/default.nix
index 4b52b79..79b5403 100644
--- a/system/default.nix
+++ b/system/default.nix
@@ -1,6 +1,6 @@
 {...}: {
   imports = [
-    ./file_system_layouts
+    ./disks
     ./packages
     ./services
     ./users
diff --git a/system/disks/default.nix b/system/disks/default.nix
new file mode 100644
index 0000000..b5e53e4
--- /dev/null
+++ b/system/disks/default.nix
@@ -0,0 +1,65 @@
+{
+  config,
+  lib,
+  ...
+}:
+with lib; let
+  cfg = config.system.disks;
+  defaultMountOptions = ["compress-force=zstd:15"];
+in {
+  imports = [ ./impermanence.nix];
+
+  options.system.disks = {
+    disk = mkOption {
+      type = lib.types.path;
+      example = literalExpression "/dev/disk/by-id/ata-WDC_WD10SDRW-11A0XS0_WD-WXP2A901KJN5";
+      description = lib.mdDoc "Path to the disk";
+    };
+  };
+
+  config = {
+    disko.devices = {
+      disk.main = {
+        device = cfg.disk;
+        content = {
+          type = "btrfs";
+          extraArgs = ["-f" "--label nixos"]; # f: Override existing partitions
+          subvolumes = {
+            "nix" = {
+              mountpoint = "/nix";
+              mountOptions = defaultMountOptions;
+            };
+            "persistent-storage" = {
+              mountpoint = "/srv";
+              mountOptions = defaultMountOptions;
+            };
+            "persistent-storage@snapshots" = {
+              mountpoint = "/srv/.snapshots";
+              mountOptions = defaultMountOptions;
+            };
+            "boot" = {
+              mountpoint = "/boot";
+              mountOptions = defaultMountOptions;
+            };
+          };
+        };
+      };
+      nodev = {
+        "/" = {
+          fsType = "tmpfs";
+          mountOptions = ["defaults" "size=2G" "mode=755"];
+        };
+      };
+    };
+    fileSystems = {
+      "/srv" = {
+        neededForBoot = true;
+      };
+      "/boot" = {
+        neededForBoot = true;
+      };
+    };
+  };
+}
+# vim: ts=2
+
diff --git a/system/disks/impermanence.nix b/system/disks/impermanence.nix
new file mode 100644
index 0000000..32ad9f7
--- /dev/null
+++ b/system/disks/impermanence.nix
@@ -0,0 +1,26 @@
+{...}: {
+  environment.persistence."/srv" = {
+    hideMounts = true;
+    directories = [
+      "/etc/nixos"
+      "/var/log"
+      "/var/lib/postgresql"
+      "/var/lib/acme"
+      {
+        directory = "/var/lib/nix-sync";
+        user = "nix-sync";
+        group = "nix-sync";
+        mode = "0700";
+      }
+      {
+        directory = "/var/lib/sshd";
+        user = "root";
+        group = "root";
+        mode = "0755";
+      }
+    ];
+    files = [
+      "/etc/machine-id"
+    ];
+  };
+}
diff --git a/system/file_system_layouts/default.nix b/system/file_system_layouts/default.nix
deleted file mode 100644
index d038632..0000000
--- a/system/file_system_layouts/default.nix
+++ /dev/null
@@ -1,44 +0,0 @@
-{
-  config,
-  lib,
-  ...
-}:
-with lib; let
-  cfg = config.system.fileSystemLayouts;
-in {
-  imports = [
-    ./impermanence.nix
-  ];
-
-  options.system.fileSystemLayouts = {
-    mainDisk = mkOption {
-      type = lib.types.path;
-      example = literalExpression "/dev/disk/by-uuid/0442cb6d-f13a-4635-b487-fa76189774c5";
-      description = lib.mdDoc "Path to the main disk";
-    };
-  };
-  config = {
-    fileSystems = {
-      "/" = {
-        device = "tmpfs";
-        fsType = "tmpfs";
-        options = ["defaults" "size=2G" "mode=755"];
-      };
-      "/nix" = {
-        device = cfg.mainDisk;
-        fsType = "btrfs";
-        options = ["subvol=nix" "compress-force=zstd"];
-      };
-      "/srv" = {
-        device = cfg.mainDisk;
-        fsType = "btrfs";
-        options = ["subvol=storage" "compress-force=zstd"];
-        neededForBoot = true;
-      };
-      "/boot" = {
-        device = cfg.mainDisk;
-        options = ["subvol=boot" "compress-force=zstd"];
-      };
-    };
-  };
-}
diff --git a/system/file_system_layouts/impermanence.nix b/system/file_system_layouts/impermanence.nix
deleted file mode 100644
index 32ad9f7..0000000
--- a/system/file_system_layouts/impermanence.nix
+++ /dev/null
@@ -1,26 +0,0 @@
-{...}: {
-  environment.persistence."/srv" = {
-    hideMounts = true;
-    directories = [
-      "/etc/nixos"
-      "/var/log"
-      "/var/lib/postgresql"
-      "/var/lib/acme"
-      {
-        directory = "/var/lib/nix-sync";
-        user = "nix-sync";
-        group = "nix-sync";
-        mode = "0700";
-      }
-      {
-        directory = "/var/lib/sshd";
-        user = "root";
-        group = "root";
-        mode = "0755";
-      }
-    ];
-    files = [
-      "/etc/machine-id"
-    ];
-  };
-}
-- 
cgit 1.4.1