From eb1c3778b07d66d7ec0d0fd214a59ad93ce524fe Mon Sep 17 00:00:00 2001
From: Ingolf Wagner <contact@ingolf-wagner.de>
Date: Thu, 27 Apr 2023 22:43:52 +0200
Subject: [PATCH] add disko for chungus

---
 scripts/disko-config-chungus.nix | 127 +++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 scripts/disko-config-chungus.nix

diff --git a/scripts/disko-config-chungus.nix b/scripts/disko-config-chungus.nix
new file mode 100644
index 0000000..732c2e3
--- /dev/null
+++ b/scripts/disko-config-chungus.nix
@@ -0,0 +1,127 @@
+# nix run github:nix-community/disko -- --mode create ./disko-config-chungus.nix --dry-run
+# nix run github:nix-community/disko -- --mode mount ./disko-config-chungus.nix --dry-run
+# nixos-generate-config --root /mnt/
+# vim /mnt/configuration.nix
+# nixos-install --root /mnt
+
+{ raid_disks ? [
+    "sda"
+    "sdb"
+    "sdc"
+    "sdd"
+    "sde"
+  ]
+, ...
+}: {
+  disko.devices = {
+    disk = {
+      root = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "table";
+          format = "gpt";
+          partitions = [
+            {
+              type = "partition";
+              name = "ESP";
+              start = "0";
+              end = "500MiB";
+              bootable = true;
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [
+                  "defaults"
+                ];
+              };
+            }
+            {
+              name = "zfs";
+              start = "500MiB";
+              end = "100%";
+              content = {
+                type = "luks";
+                name = "root";
+                #keyFile = "/tmp/secret.key";
+                content = {
+                  type = "zfs";
+                  pool = "zroot";
+                };
+              };
+            }
+          ];
+        };
+      };
+    } // listToAttrs
+      (device_name:
+        {
+          name = device_name;
+          value = {
+            type = "disk";
+            device = "/dev/${device_name}";
+            content = {
+              type = "table";
+              format = "gpt";
+              partitions = [
+                {
+                  name = "zfs";
+                  start = "0";
+                  end = "100%";
+                  content = {
+                    type = "luks";
+                    name = "raid_${device_name}";
+                    #keyFile = "/tmp/secret.key";
+                    content = {
+                      type = "zfs";
+                      pool = "zraid";
+                    };
+                  };
+                }
+              ];
+            };
+          };
+        }
+      )
+      raid_disks;
+
+    zpool = {
+
+      zroot = {
+        type = "zpool";
+        datasets = {
+          "root" = {
+            type = "zfs_fs";
+            mountpoint = "/";
+          };
+        };
+      };
+
+      zraid = {
+        type = "zpool";
+        mode = "raidz2";
+        datasets = {
+          "media" = {
+            type = "zfs_fs";
+            mountpoint = "/media";
+          };
+          "media/nextcloud" = {
+            type = "zfs_fs";
+            mountpoint = "/media/nextcloud";
+            options = {
+              # question: is that combination of frequency and keep even possible?
+              "com.sun:auto-snapshot" = "false";
+              "com.sun:auto-snapshot:daily,keep=32" = "true";
+              "com.sun:auto-snapshot:weekly,keep=52" = "true";
+              "com.sun:auto-snapshot:montly,keep=24" = "true";
+            };
+          };
+        };
+      };
+
+    };
+
+  };
+}
+