| 1 | { |
| 2 | config, |
| 3 | inputs, |
| 4 | lib, |
| 5 | ... |
| 6 | }: |
| 7 | |
| 8 | { |
| 9 | imports = [ |
| 10 | ./hardware.nix |
| 11 | inputs.srvos.nixosModules.server |
| 12 | inputs.srvos.nixosModules.hardware-hetzner-cloud-arm |
| 13 | ../../modules/common.nix |
| 14 | ../../modules/backup.nix |
| 15 | ../../modules/mailserver |
| 16 | ]; |
| 17 | |
| 18 | # Bootloader. |
| 19 | boot.loader.systemd-boot.enable = true; |
| 20 | boot.loader.timeout = lib.mkForce 5; |
| 21 | boot.loader.efi.efiSysMountPoint = "/efi"; |
| 22 | |
| 23 | # workaround because the console defaults to serial |
| 24 | boot.kernelParams = [ "console=tty" ]; |
| 25 | |
| 26 | services.cloud-init.enable = false; |
| 27 | |
| 28 | networking = { |
| 29 | hostName = "umbriel"; |
| 30 | domain = "nixos.org"; |
| 31 | hostId = "36d29388"; |
| 32 | }; |
| 33 | |
| 34 | disko.devices = import ./disko.nix; |
| 35 | |
| 36 | systemd.network.networks."10-uplink" = { |
| 37 | matchConfig.MACAddress = "96:00:02:b5:f8:99"; |
| 38 | address = [ |
| 39 | "37.27.20.162/32" |
| 40 | "2a01:4f9:c011:8fb5::1/64" |
| 41 | ]; |
| 42 | routes = [ |
| 43 | { Gateway = "fe80::1"; } |
| 44 | { |
| 45 | Gateway = "172.31.1.1"; |
| 46 | GatewayOnLink = true; |
| 47 | } |
| 48 | ]; |
| 49 | linkConfig.RequiredForOnline = "routable"; |
| 50 | }; |
| 51 | |
| 52 | # How to generate: |
| 53 | # |
| 54 | # $ cd non-critical-infra |
| 55 | # $ SECRET_PATH=secrets/storagebox-ssh-key.umbriel |
| 56 | # $ ssh-keygen -t ed25519 -f "$SECRET_PATH" -P "" -C root@umbriel |
| 57 | # $ sops encrypt --in-place "$SECRET_PATH" |
| 58 | # $ rm "$SECRET_PATH".pub |
| 59 | # |
| 60 | # Next, deploy this secret, ssh to the machine and install the secret on the storagebox: |
| 61 | # |
| 62 | # $ ssh-keygen -f /var/keys/storagebox-ssh-key -y | ssh -o "UserKnownHostsFile=/dev/null" -p23 u391032-sub4@u391032-sub4.your-storagebox.de install-ssh-key |
| 63 | sops.secrets.storagebox-ssh-key = { |
| 64 | sopsFile = ../../secrets/storagebox-ssh-key.umbriel; |
| 65 | format = "binary"; |
| 66 | path = "/var/keys/storagebox-ssh-key"; |
| 67 | mode = "0600"; |
| 68 | owner = "root"; |
| 69 | group = "root"; |
| 70 | }; |
| 71 | |
| 72 | # How to generate: |
| 73 | # |
| 74 | # $ cd non-critical-infra |
| 75 | # $ SECRET_PATH=secrets/backup-secret.umbriel |
| 76 | # $ pwgen -s 64 1 > "$SECRET_PATH" |
| 77 | # $ sops encrypt --in-place "$SECRET_PATH" |
| 78 | sops.secrets.backup-secret = { |
| 79 | sopsFile = ../../secrets/backup-secret.umbriel; |
| 80 | format = "binary"; |
| 81 | path = "/var/keys/borg-secret"; |
| 82 | mode = "0600"; |
| 83 | owner = "root"; |
| 84 | group = "root"; |
| 85 | }; |
| 86 | |
| 87 | services.backup = { |
| 88 | user = "u391032-sub4"; |
| 89 | host = "u391032-sub4.your-storagebox.de"; |
| 90 | hostPublicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIICf9svRenC/PLKIL9nk6K/pxQgoiFC41wTNvoIncOxs"; |
| 91 | port = 23; |
| 92 | sshKey = config.sops.secrets.storagebox-ssh-key.path; |
| 93 | secretPath = config.sops.secrets.backup-secret.path; |
| 94 | }; |
| 95 | |
| 96 | system.stateVersion = "23.05"; |
| 97 | } |