chore: replace impermanence with preservation (#201)

hosts/12kingdoms-shoukei/hardware-configuration.nix

@@ -90,7 +90,7 @@
     device = "/dev/disk/by-uuid/2f4db246-e65d-4808-8ab4-5365f9dea1ef";
     fsType = "btrfs";
     options = ["subvol=@persistent" "noatime" "compress-force=zstd:1"];
-    # impermanence's data is required for booting.
+    # preservation's data is required for booting.
     neededForBoot = true;
   };
 

hosts/idols-ai/hardware-configuration.nix

@@ -96,7 +96,7 @@
     device = "/dev/disk/by-uuid/1167076c-dee1-486c-83c1-4b1af37555cd";
     fsType = "btrfs";
     options = ["subvol=@persistent" "compress-force=zstd:1"];
-    # impermanence's data is required for booting.
+    # preservation's data is required for booting.
     neededForBoot = true;
   };
 

hosts/idols-ai/preservation.nix

@@ -31,7 +31,7 @@ in {
   #
   #  See also https://grahamc.com/blog/erase-your-darlings/
 
-  # NOTE: impermanence only mounts the directory/file list below to /persistent
+  # NOTE: preservation only mounts the directory/file list below to /persistent
   # If the directory/file already exists in the root filesystem you should
   # move those files/directories to /persistent first!
   preservation.preserveAt."/persistent" = {

hosts/k8s/disko-config/README.md

@@ -60,7 +60,7 @@ nixos-enter
 # NOTE: DO NOT skip this step!!!
 # copy the essential files into /persistent
 # otherwise the / will be cleared and data will lost
-## NOTE: impermanence just create links from / to /persistent
+## NOTE: preservation just create links from / to /persistent
 ##       We need to copy files into /persistent manually!!!
 mv /etc/machine-id /persistent/etc/
 mv /etc/ssh /persistent/etc/

hosts/k8s/disko-config/kubevirt-disko-fs.nix

@@ -1,5 +1,5 @@
 {
-  # required by impermanence
+  # required by preservation
   fileSystems."/persistent".neededForBoot = true;
 
   # contains the k3s's token