125 lines
4.3 KiB
Nix
125 lines
4.3 KiB
Nix
{ config, pkgs, modulesPath, lib, ... }:
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let
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hostName = "robi";
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# apt install -y lshw
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# lshw -C network | grep -Poh 'driver=[[:alnum:]]+'
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networkInterfaceModule = "r8169";
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networkInterface = "enp3s0";
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# From the Hetzner control panel
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ipv4 = {
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address = "144.76.13.147"; # the ip address
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gateway = "144.76.13.129"; # the gateway ip address
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netmask = "255.255.255.224"; # the netmask -- might not be the same for you!
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prefixLength = 27; # must match the netmask, see <https://www.pawprint.net/designresources/netmask-converter.php>
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};
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ipv6 = {
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address = "2a01:4f8:190:9147::1"; # the ipv6 addres
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gateway = "fe80::1"; # the ipv6 gateway
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prefixLength = 64; # shown in the control panel
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};
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in
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{
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imports =
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[
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# Include the results of the hardware scan.
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./hardware-configuration.nix
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];
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# needed lvm for raid
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boot.initrd.kernelModules = [
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"dm-snapshot"
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"dm_mirror"
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"dm_raid"
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"dm_region_hash"
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];
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# Use GRUB2 as the boot loader.
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# We don't use systemd-boot because Hetzner uses BIOS legacy boot.
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boot.loader.systemd-boot.enable = false;
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boot.loader.grub = {
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enable = true;
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efiSupport = false;
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version = 2;
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};
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# This will mirror all UEFI files, kernels, grub menus and
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# things needed to boot to the other drive.
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boot.loader.grub.mirroredBoots = [
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{ path = "/boot-1"; devices = [ "/dev/sda" ]; }
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{ path = "/boot-2"; devices = [ "/dev/sdb" ]; }
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];
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# We want to still be able to boot without one of these
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fileSystems."/boot-1".options = [ "nofail" ];
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fileSystems."/boot-2".options = [ "nofail" ];
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boot.initrd.luks.reusePassphrases = true;
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boot.initrd.luks.devices = {
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a_encrypted = {
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device = "/dev/sda3";
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preLVM = true;
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};
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b_encrypted = {
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device = "/dev/sdb3";
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preLVM = true;
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};
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};
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networking.hostName = hostName;
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# Network configuration (Hetzner uses static IP assignments, and we don't use DHCP here)
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networking.useDHCP = false;
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networking.interfaces.${networkInterface} = {
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ipv4 = { addresses = [{ address = ipv4.address; prefixLength = ipv4.prefixLength; }]; };
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ipv6 = { addresses = [{ address = ipv6.address; prefixLength = ipv6.prefixLength; }]; };
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};
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networking.defaultGateway = ipv4.gateway;
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networking.defaultGateway6 = { address = ipv6.gateway; interface = networkInterface; };
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networking.nameservers = [ "8.8.8.8" ];
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# Initial empty root password for easy login:
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users.users.root.initialHashedPassword = "";
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services.openssh.permitRootLogin = "prohibit-password";
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services.openssh.passwordAuthentication = false;
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environment.systemPackages = [ pkgs.mosh ];
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users.users.root.openssh.authorizedKeys.keys = [
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"ssh-rsa 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"
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];
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services.openssh.enable = true;
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system.stateVersion = "21.05";
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# enable ssh on init
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# ------------------
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boot.kernelParams = [
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# See <https://www.kernel.org/doc/Documentation/filesystems/nfs/nfsroot.txt> for docs on this
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# ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>:<dns0-ip>:<dns1-ip>:<ntp0-ip>
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# The server ip refers to the NFS server -- we don't need it.
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"ip=${ipv4.address}::${ipv4.gateway}:${ipv4.netmask}:${hostName}-initrd:${networkInterface}:off:8.8.8.8"
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];
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boot.initrd.availableKernelModules = [ networkInterfaceModule ];
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boot.initrd.network.enable = true;
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boot.initrd.network.ssh = {
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enable = true;
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authorizedKeys = config.users.users.root.openssh.authorizedKeys.keys;
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port = 2222;
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hostKeys = [
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/etc/secrets/initrd/ssh_host_rsa_key
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/etc/secrets/initrd/ssh_host_ed25519_key
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];
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};
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}
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