dotfiles/hosts/swan/default.nix
2024-10-12 15:18:58 +00:00

145 lines
4.0 KiB
Nix

# The Swan
# System configuration for my home NAS server
{
inputs,
globals,
overlays,
...
}:
inputs.nixpkgs.lib.nixosSystem rec {
system = "x86_64-linux";
specialArgs = {
pkgs-stable = import inputs.nixpkgs-stable { inherit system; };
pkgs-caddy = import inputs.nixpkgs-caddy { inherit system; };
};
modules = [
globals
inputs.home-manager.nixosModules.home-manager
inputs.disko.nixosModules.disko
../../modules/common
../../modules/nixos
{
nixpkgs.overlays = overlays;
# Hardware
server = true;
physical = true;
networking.hostName = "swan";
# Not sure what's necessary but too afraid to remove anything
boot.initrd.availableKernelModules = [
"xhci_pci"
"ahci"
"nvme"
"usb_storage"
"sd_mod"
];
# Required for transcoding
boot.initrd.kernelModules = [ "amdgpu" ];
boot.kernelParams = [
"radeon.si_support=0"
"amdgpu.si_support=1"
"radeon.cik_support=0"
"amdgpu.cik_support=1"
"amdgpu.dc=1"
];
# Required binary blobs to boot on this machine
hardware.enableRedistributableFirmware = true;
# Prioritize efficiency over performance
powerManagement.cpuFreqGovernor = "powersave";
# Allow firmware updates
hardware.cpu.intel.updateMicrocode = true;
# ZFS
zfs.enable = true;
# Generated with: head -c 8 /etc/machine-id
networking.hostId = "600279f4"; # Random ID required for ZFS
# Sets root ext4 filesystem instead of declaring it manually
disko = {
enableConfig = true;
devices = (import ../../disks/root.nix { disk = "/dev/nvme0n1"; });
};
zramSwap.enable = true;
swapDevices = [
{
device = "/swapfile";
size = 4 * 1024; # 4 GB
}
];
boot.zfs = {
# Automatically load the ZFS pool on boot
extraPools = [ "tank" ];
# Only try to decrypt datasets with keyfiles
requestEncryptionCredentials = [
"tank/archive"
"tank/generic"
"tank/nextcloud"
"tank/generic/git"
];
# If password is requested and fails, continue to boot eventually
passwordTimeout = 300;
};
# Theming
# Server doesn't require GUI
gui.enable = false;
# Still require colors for programs like Neovim, K9S
theme = {
colors = (import ../../colorscheme/gruvbox-dark).dark;
};
# Programs and services
atuin.enable = true;
neovim.enable = true;
cloudflare.enable = true;
dotfiles.enable = true;
arrs.enable = true;
filebrowser.enable = true;
services.audiobookshelf.enable = true;
services.bind.enable = true;
services.caddy.enable = true;
services.jellyfin.enable = true;
services.nextcloud.enable = true;
services.calibre-web.enable = true;
services.openssh.enable = true;
services.prometheus.enable = false;
services.vmagent.enable = true;
services.samba.enable = true;
services.paperless.enable = true;
services.postgresql.enable = true;
system.autoUpgrade.enable = false;
# Allows private remote access over the internet
cloudflareTunnel = {
enable = true;
id = "646754ac-2149-4a58-b51a-e1d0a1f3ade2";
credentialsFile = ../../private/cloudflared-swan.age;
ca = "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBCHF/UMtJqPFrf6f6GRY0ZFnkCW7b6sYgUTjTtNfRj1RdmNic1NoJZql7y6BrqQinZvy7nsr1UFDNWoHn6ah3tg= open-ssh-ca@cloudflareaccess.org";
};
# Send regular backups and litestream for DBs to an S3-like bucket
backup.s3 = {
endpoint = "s3.us-west-002.backblazeb2.com";
bucket = "noahmasur-backup";
accessKeyId = "0026b0e73b2e2c80000000005";
};
# Disable passwords, only use SSH key
publicKeys = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIB+AbmjGEwITk5CK9y7+Rg27Fokgj9QEjgc9wST6MA3s personal"
];
}
];
}