better machine conf, rework key/machines management

1 files changed, 127 insertions, 0 deletions

diff --git a/machines/_173-249-5-230/configuration.nix b/machines/_173-249-5-230/configuration.nix
new file mode 100644
index 0000000..0fe1e9e
--- /dev/null
+++ b/machines/_173-249-5-230/configuration.nix
@@ -0,0 +1,127 @@
+{
+  config,
+  lib,
+  modulesPath,
+  machine,
+  ...
+}: {
+  age.secrets.secret2.file = ../../secrets/secret2.age;
+  boot.tmp.cleanOnBoot = true;
+  boot.loader.grub.devices = ["nodev"];
+  environment.persistence."/nix/persist" = {
+    enable = true;
+    hideMounts = true;
+    directories = [
+      "/var/log"
+      "/var/lib/nixos"
+      "/var/lib/systemd/coredump"
+      "/etc/NetworkManager/system-connections"
+    ];
+    files = [
+      "/etc/machine-id"
+      "/etc/ly/save.txt"
+    ];
+    users."mtgmonkey" = {
+      directories = [
+        ".local/share/zoxide"
+        ".ssh"
+      ];
+      files = [
+        ".bash_history"
+        ".brush_history"
+      ];
+    };
+  };
+  i18n.defaultLocale = "de_DE.UTF-8";
+  networking = {
+    dhcpcd.enable = true;
+    firewall = {
+      enable = true;
+      allowedTCPPorts = [80 443];
+      allowedUDPPorts = [80 443];
+    };
+    hostName = lib.strings.removePrefix "_" machine.hostname;
+    domain = "";
+    useDHCP = true;
+  };
+  nix.settings = {
+    experimental-features = [
+      "nix-command"
+      "flakes"
+    ];
+    allow-import-from-derivation = true;
+  };
+  programs.noshell.enable = true;
+  services.openssh = {
+    enable = true;
+    allowSFTP = false;
+    ports = [5522];
+    settings = {
+      PermitRootLogin = "no";
+      PasswordAuthentication = false;
+      KbdInteractiveAuthentication = true;
+    };
+    extraConfig = ''
+      AllowTcpForwarding no
+      AllowAgentForwarding no
+      MaxAuthTries 3
+      MaxSessions 4
+      TCPKeepAlive no
+    '';
+  };
+  system.stateVersion = "26.05";
+  time.timeZone = "Europe/Berlin";
+  users.users."mtgmonkey" = {
+    isNormalUser = true;
+    description = "mtgmonkey";
+    hashedPasswordFile = builtins.toString config.age.secrets.secret2.path;
+    extraGroups = ["wheel"];
+    openssh.authorizedKeys.keys = [(import ../../pub-keys.nix).ssh.andromeda];
+  };
+  imports = [
+    (modulesPath + "/profiles/qemu-guest.nix")
+  ];
+  boot.initrd.availableKernelModules = ["ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = [];
+  boot.extraModulePackages = [];
+  fileSystems."/" = {
+    device = "none";
+    fsType = "tmpfs";
+    options = ["defaults" "size=30%" "mode=755"];
+  };
+  boot.initrd.postResumeCommands = lib.mkAfter ''
+    mkdir /btrfs_tmp
+    mount ${config.fileSystems."/".device} /btrfs_tmp
+    if [[ -e /btrfs_tmp/root ]]; then
+      mkdir -p /btrfs_tmp/old_roots
+      timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:$M:%S")
+      mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
+    fi
+
+    delete_subvolume_recursively() {
+      IFS=$'\n'
+      for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
+        delete_subvolume_recursively "/btrfs_tmp/$i"
+      done
+      btrfs subvolume delete "$1"
+    }
+
+    for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
+      delete_subvolume_recursively "$i"
+    done
+
+    btrfs subvolume create /btrfs_tmp/root
+    umount /btrfs_tmp
+  '';
+  fileSystems."/nix" = {
+    device = "/dev/disk/by-uuid/6b481376-9716-4559-946b-62097c2380f1";
+    fsType = "ext4";
+  };
+  fileSystems."/efi" = {
+    device = "systemd-1";
+    fsType = "autofs";
+  };
+  swapDevices = [];
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}