move apps into pkgs and rename hosts

hosts/aarch64-linux/default.nix

@@ -0,0 +1,22 @@
+# Return a list of all NixOS hosts
+
+{ nixpkgs, ... }:
+
+let
+  inherit (nixpkgs) lib;
+in
+
+lib.pipe (lib.filesystem.listFilesRecursive ./.) [
+  # Get only files ending in default.nix
+  (builtins.filter (name: lib.hasSuffix "default.nix" name))
+  # Remove this file
+  (builtins.filter (name: name != ./default.nix))
+  # Import each host function
+  map
+  (file: {
+    name = builtins.baseNameOf (builtins.dirOf file);
+    value = import file;
+  })
+  # Convert to an attrset of hostname -> host function
+  (builtins.listToAttrs)
+]

hosts/aarch64-linux/flame/cloudflared-flame.age

@@ -0,0 +1,19 @@
+-----BEGIN AGE ENCRYPTED FILE-----
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+JIk53sS3lelOwH11yx0aGcBNCR2UwpuYn1IwoW0qrt3ugi8rmQPRG8c8gSyNn2u7
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+FJa9/j5qc7JtWEy4ecU6D03zcZD+CTCoN8SIW4+fldos1u7N2v2X5/YUw7T6jQ==
+-----END AGE ENCRYPTED FILE-----

hosts/aarch64-linux/flame/default.nix

@@ -0,0 +1,59 @@
+# The Flame
+# System configuration for an Oracle free server
+
+# How to install:
+# https://blog.korfuri.fr/posts/2022/08/nixos-on-an-oracle-free-tier-ampere-machine/
+# These days, probably use nixos-anywhere instead.
+
+rec {
+  networking.hostName = "flame";
+
+  nmasur.settings = {
+    username = "noah";
+    fullName = "Noah Masur";
+  };
+
+  nmasur.profiles = {
+    base.enable = true;
+    server.enable = true;
+    communications.enable = true;
+  };
+
+  home-manager.users."noah" = {
+    nmasur.settings = {
+      username = nmasur.settings.username;
+      fullName = nmasur.settings.fullName;
+    };
+    nmasur.profiles = {
+      common.enable = true;
+      linux-base.enable = true;
+      power-user.enable = true;
+    };
+    home.stateVersion = "23.05";
+  };
+
+  system.stateVersion = "23.05";
+  # File systems must be declared in order to boot
+
+  # This is the root filesystem containing NixOS
+  # I forgot to set a clean label for it
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/e1b6bd50-306d-429a-9f45-78f57bc597c3";
+    fsType = "ext4";
+  };
+
+  # This is the boot filesystem for systemd-boot
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/D5CA-237A";
+    fsType = "vfat";
+  };
+
+  # Allows private remote access over the internet
+  nmasur.presets.services.cloudflared = {
+    tunnel = {
+      id = "bd250ee1-ed2e-42d2-b627-039f1eb5a4d2";
+      credentialsFile = ./cloudflared-flame.age;
+      ca = "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBK/6oyVqjFGX3Uvrc3VS8J9sphxzAnRzKC85xgkHfYgR3TK6qBGXzHrknEj21xeZrr3G2y1UsGzphWJd9ZfIcdA= open-ssh-ca@cloudflareaccess.org";
+    };
+  };
+}