Nix stuff?

This commit is contained in:
Daniel Flanagan 2023-07-25 22:00:36 -05:00
parent bdab850776
commit 6b06f1f0ca
Signed by: lytedev
GPG key ID: 5B2020A0F9921EF4
4 changed files with 548 additions and 9 deletions

36
os/linux/nix/flake.nix Normal file
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# Welcome to my nix config! I'm just getting started with flakes, so please
# forgive the mess.
# TODO: would be nice to get hardware congigs in here as well
# TODO: declarative disks with https://github.com/nix-community/disko
# TODO: home-manager?
{
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
home-manager = {
url = "github:nix-community/home-manager/release-23.05";
# use the version of nixpkgs we specified above rather than the one HM would ordinarily use
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs = inputs: {
nixosConfigurations = {
beefcake = inputs.nixpkgs.lib.nixosSystem {
system = "x86_64-linux";
modules = [
./machines/beefcake.nix
inputs.home-manager.nixosModules.home-manager
{
home-manager.useGlobalPkgs = true;
}
];
};
};
};
}

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symlink_nixos_config() {
rm --force "/etc/nixos/lytedev"
ln --symbolic "$1" "/etc/nixos/lytedev"
}

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#!/usr/bin/env bash
sudo nix-collect-garbage -d
sudo nixos-rebuild switch

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# Edit this configuration file to define what should be installed on
# your system. Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running 'nixos-help').
{ pkgs, ... }:
let
unstable = import <nixos-unstable> { config = { allowUnfree = true; }; };
in
{
nix.settings.experimental-features = [ "nix-command" "flakes" ];
imports =
[
./hardware-configuration.nix
];
# TODO: directory attributes for /storage subdirectories?
# example: user daniel should be able to write to /storage/files.lyte.dev and
# caddy should be able to serve it
# TODO: declarative directory quotas? for storage/$USER and /home/$USER
# TODO: would be nice to get ALL the storage stuff declared in here
# should I be using btrfs subvolumes? can I capture file ownership, perimssions, and ACLs?
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
systemd.tmpfiles.rules = [
"d /var/spool/samba 1777 root root -"
];
networking.hostName = "beefcake";
time.timeZone = "America/Chicago";
i18n.defaultLocale = "en_US.UTF-8";
console = {
font = "Lat2-Terminus16";
keyMap = "us";
};
users.groups.daniel.members = [ "daniel" ];
users.groups.nixadmin.members = [ "daniel" ];
users.users.daniel = {
isNormalUser = true;
openssh.authorizedKeys.keys = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAPLXOjupz3ScYjgrF+ehrbp9OvGAWQLI6fplX6w9Ijb daniel@lyte.dev"
];
group = "daniel";
extraGroups = [
"nixadmin" # write access to /etc/nixos/ files
"wheel" # sudo access
"caddy" # write access to /storage/files.lyte.dev
"users" # general users group
"jellyfin" # write access to /storage/jellyfin
];
# packages = with pkgs; [];
};
users.users.lytedev = {
# for running my services and applications and stuff
isNormalUser = true;
openssh.authorizedKeys.keys = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAPLXOjupz3ScYjgrF+ehrbp9OvGAWQLI6fplX6w9Ijb daniel@lyte.dev"
];
group = "lytedev";
extraGroups = [
];
};
users.users.restic = {
# used for other machines to backup to
isNormalUser = true;
openssh.authorizedKeys.keys = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJbPqzKB09U+i4Kqu136yOjflLZ/J7pYsNulTAd4x903 root@chromebox.h.lyte.dev"
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAPLXOjupz3ScYjgrF+ehrbp9OvGAWQLI6fplX6w9Ijb daniel@lyte.dev"
];
};
users.users.guest = {
isSystemUser = true;
group = "user";
createHome = true;
};
programs.fish.enable = true;
users.defaultUserShell = pkgs.fish;
environment.variables = {
EDITOR = "hx";
};
# TODO: right now, I use a flake for helix that gets the latest since my config uses newer features
# would be nice to get that declared here
# search for packages: `nix search $PACKAGE_NAME`
environment.systemPackages = with pkgs; [
unstable.helix
unstable.zellij
mosh
btrfs-progs
iperf3
pv
linuxquota
traceroute
hexyl
restic
speedtest-cli
fish
restic
nil
nixpkgs-fmt
fd
ripgrep
exa
skim
git
wget
tmux
sqlite
];
services.xserver.layout = "us";
# TODO: make the client declarative? right now I think it's manually git
# clone'd to /root
systemd.services.deno-netlify-ddns-client = {
serviceConfig.Type = "oneshot";
path = with pkgs; [ curl bash ];
environment = {
NETLIFY_DDNS_RC_FILE = "/root/deno-netlify-ddns-client/.env";
};
script = ''
bash /root/deno-netlify-ddns-client/netlify-ddns-client.sh
'';
};
systemd.timers.deno-netlify-ddns-client = {
wantedBy = [ "timers.target" ];
partOf = [ "deno-netlify-ddns-client.service" ];
timerConfig = {
OnBootSec = "10sec";
OnUnitActiveSec = "5min";
Unit = "deno-netlify-ddns-client.service";
};
};
services.smartd.enable = true;
services.caddy = {
enable = true;
adapter = "caddyfile";
# acmeCA = "https://acme-staging-v02.api.letsencrypt.org/directory";
configFile = pkgs.writeText "Caddyfile" ''
video.lyte.dev {
reverse_proxy :8096
}
bw.lyte.dev {
reverse_proxy :8222
}
a.lyte.dev {
reverse_proxy :8899
}
git.lyte.dev {
reverse_proxy :3088
}
files.lyte.dev {
file_server browse {
root /storage/files.lyte.dev
}
}
# proxy everything else to chromebox
:80 {
reverse_proxy 10.0.0.5:80
}
:443 {
reverse_proxy 10.0.0.5:443
}
'';
};
services.vaultwarden = {
enable = true;
config = {
DOMAIN = "https://bw.lyte.dev";
SIGNUPS_ALLOWED = "false";
ROCKET_ADDRESS = "127.0.0.1";
ROCKET_PORT = 8222;
};
};
services.gitea = {
enable = true;
appName = "git.lyte.dev";
stateDir = "/storage/gitea";
settings = {
server = {
ROOT_URL = "https://git.lyte.dev";
HTTP_ADDR = "127.0.0.1";
HTTP_PORT = 3088;
DOMAIN = "git.lyte.dev";
};
service = {
DISABLE_REGISTRATION = true;
};
session = {
COOKIE_SECURE = true;
};
log = {
# TODO: raise the log level
LEVEL = "Debug";
};
};
lfs = {
enable = true;
};
dump = {
enable = true;
};
database = {
# TODO: move to postgres?
type = "sqlite3";
};
};
# TODO: ensure we're not doing the same dumb thing we were doing on the old host and eating storage
services.clickhouse.enable = true;
services.plausible = {
enable = false; # TODO: enable this and fix access? probably need a proper secrets management system that integrates with nix (sops-nix?)
# otherwise we can probably chown these files to a group that plausible has access to for reading
releaseCookiePath = "/root/plausible-erlang-cookie";
database = {
clickhouse.setup = true;
postgres.setup = true;
};
server = {
baseUrl = "http://beefcake.hare-cod.ts.net:8899";
disableRegistration = true;
port = 8899;
secretKeybaseFile = "/root/plusible-secret-key-base";
};
adminUser = {
activate = true;
email = "daniel@lyte.dev";
passwordFile = "/root/plausible-admin-password";
};
};
services.postgresql = {
enable = true;
ensureDatabases = [ "daniel" "plausible" ];
ensureUsers = [
{
name = "daniel";
ensurePermissions = {
"DATABASE daniel" = "ALL PRIVILEGES";
};
}
{
name = "plausible";
ensurePermissions = {
"DATABASE plausible" = "ALL PRIVILEGES";
};
}
];
dataDir = "/storage/postgres";
enableTCPIP = true;
package = unstable.postgresql_15;
authentication = pkgs.lib.mkOverride 10 ''
#type database DBuser auth-method
local all postgres peer map=superuser_map
local sameuser all peer map=superuser_map
local plausible plausible peer map=superuser_map
# lan ipv4
host all all 10.0.0.0/24 trust
# tailnet ipv4
host all all 100.64.0.0/10 trust
'';
identMap = ''
# ArbitraryMapName systemUser DBUser
superuser_map root postgres
superuser_map postgres postgres
superuser_map daniel postgres
# Let other names login as themselves
superuser_map /^(.*)$ \1
'';
};
services.postgresqlBackup = {
enable = true;
backupAll = true;
compression = "none"; # hoping for deduplication here?
location = "/storage/postgres-backups";
startAt = "*-*-* 03:00:00";
};
services.tailscale = {
enable = true;
package = unstable.tailscale;
};
services.jellyfin = {
enable = true;
openFirewall = true;
# uses port 8096 by default, configurable from admin UI
};
# NOTE: this server's xeon chips DO NOT seem to support quicksync or graphics in general
# but I can probably throw in a crappy GPU (or a big, cheap ebay GPU for ML
# stuff, too?) and get good transcoding performance
# jellyfin hardware encoding
# hardware.opengl = {
# enable = true;
# extraPackages = with pkgs; [
# intel-media-driver
# vaapiIntel
# vaapiVdpau
# libvdpau-va-gl
# intel-compute-runtime
# ];
# };
# nixpkgs.config.packageOverrides = pkgs: {
# vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
# };
services.openssh = {
enable = true;
settings = {
PasswordAuthentication = false;
};
listenAddresses = [
{ addr = "0.0.0.0"; port = 64022; }
{ addr = "0.0.0.0"; port = 22; }
];
};
services.samba-wsdd.enable = true;
services.samba = {
enable = true;
openFirewall = true;
securityType = "user";
package = pkgs.sambaFull;
extraConfig = ''
workgroup = WORKGROUP
server string = beefcake
netbios name = beefcake
security = user
#use sendfile = yes
#max protocol = smb2
# note: localhost is the ipv6 localhost ::1
hosts allow = 10. 192.168.0. 127.0.0.1 localhost
hosts deny = 0.0.0.0/0
guest account = nobody
map to guest = bad user
load printers = yes
printing = cups
printcap name = cups
'';
shares = {
libre = {
path = "/storage/libre";
browseable = "yes";
"read only" = "no";
"guest ok" = "yes";
"create mask" = "0666";
"directory mask" = "0777";
"force user" = "nobody";
"force group" = "users";
};
public = {
path = "/storage/public";
browseable = "yes";
"read only" = "no";
"guest ok" = "yes";
"create mask" = "0664";
"directory mask" = "0775";
"force user" = "nobody";
"force group" = "users";
};
family = {
path = "/storage/family";
browseable = "yes";
"read only" = "no";
"guest ok" = "no";
"create mask" = "0664";
"directory mask" = "0775";
"force user" = "nobody";
"force group" = "family";
};
daniel = {
path = "/storage/daniel";
browseable = "yes";
"read only" = "no";
"guest ok" = "no";
"create mask" = "0640";
"directory mask" = "0750";
"force user" = "daniel";
"force group" = "users";
};
printers = {
comment = "All Printers";
path = "/var/spool/samba";
public = "yes";
browseable = "yes";
# to allow user 'guest account' to print.
"guest ok" = "yes";
writable = "no";
printable = "yes";
"create mode" = 0700;
};
};
};
# paths:
# TODO: move previous backups over and put here
# clickhouse and plausible analytics once they're up and running?
services.restic.backups = rec {
local = {
initialize = true;
passwordFile = "/root/restic-localbackup-password";
paths = [
"/storage/files.lyte.dev"
"/storage/daniel"
"/storage/gitea" # TODO: should maybe use configuration.nix's services.gitea.dump ?
"/var/lib/bitwarden_rs" # does this need any sqlite preprocessing?
# https://github.com/dani-garcia/vaultwarden/wiki/Backing-up-your-vault
# specifically, https://github.com/dani-garcia/vaultwarden/wiki/Backing-up-your-vault#sqlite-database-files
"/storage/postgres-backups"
];
exclude = [ ];
repository = "/storage/backups/local";
};
rascal = {
initialize = true;
extraOptions = [
"sftp.command='ssh beefcake@rascal -i /root/.ssh/id_ed25519 -s sftp'"
];
passwordFile = local.passwordFile;
paths = local.paths;
repository = "sftp://beefcake@rascal://storage/backups/beefcake";
timerConfig = {
OnCalendar = "04:45";
};
};
# TODO: add ruby?
benland = {
initialize = true;
extraOptions = [
"sftp.command='ssh daniel@n.benhaney.com -p 10022 -i /root/.ssh/id_ed25519 -s sftp'"
];
passwordFile = local.passwordFile;
paths = local.paths;
repository = "sftp://daniel@n.benhaney.com://storage/backups/beefcake";
timerConfig = {
OnCalendar = "04:45";
};
};
};
networking.firewall.allowedTCPPorts = [
80 # http (caddy)
443 # https (caddy)
# 5357 # ???
22 # ssh
64022 # ssh (for ben?)
];
networking.firewall.allowedUDPPorts = [
# 53 # DNS
# 3702 # ???
64020 # mosh (for ben?)
];
networking.firewall.allowedUDPPortRanges = [
{
# mosh
from = 60000;
to = 60010;
}
];
networking.firewall = {
enable = true;
allowPing = true;
checkReversePath = "loose"; # needed for tailscale?
};
# TODO: should I upgrade this?
# This value determines the NixOS release from which the default
# settings for stateful data, like file locations and database versions
# on your system were taken. It's perfectly fine and recommended to leave
# this value at the release version of the first install of this system.
# Before changing this value read the documentation for this option
# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
system.stateVersion = "22.05"; # Did you read the comment?
}