config/configuration.nix

345 lines
10 KiB
Nix
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# 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).
{ config, pkgs, lib, ... }:
let
ssh_pubkeys = {
motiejus = "ssh-rsa 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";
vno1_root = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMiWb7yeSeuFCMZWarKJD6ZSxIlpEHbU++MfpOIy/2kh";
};
mountLatest = ({mountpoint, zfs_name}:
''
set -euo pipefail
${pkgs.util-linux}/bin/umount ${mountpoint}/.snapshot-latest || : &>/dev/null
mkdir -p ${mountpoint}/.snapshot-latest
${pkgs.util-linux}/bin/mount -t zfs $(${pkgs.zfs}/bin/zfs list -H -t snapshot -o name ${zfs_name} | sort | tail -1) ${mountpoint}/.snapshot-latest
''
);
umountLatest = ({mountpoint, ...}:
''set -euo pipefail
"${pkgs.util-linux}/bin/umount ${mountpoint}/.snapshot-latest"
''
);
backup_paths = {
var_lib = {
mountpoint = "/var/lib";
zfs_name = "rpool/nixos/var/lib";
paths = [
"/var/lib/.snapshot-latest/gitea"
"/var/lib/.snapshot-latest/headscale"
];
backup_at = "*-*-* 00:05:00";
};
var_log = {
mountpoint = "/var/log";
zfs_name = "rpool/nixos/var/log";
paths = [ "/var/log/.snapshot-latest/caddy/" ];
patterns = [ "access-beta.jakstys.lt.log-*.zst" ];
backup_at = "*-*-* 00:10:00";
};
};
in {
imports =
[
/etc/nixos/hardware-configuration.nix /etc/nixos/zfs.nix
];
boot.initrd.network = {
enable = true;
ssh = {
enable = true;
port = 22;
authorizedKeys = builtins.attrValues ssh_pubkeys;
hostKeys = [ "/etc/secrets/initrd/ssh_host_ed25519_key" ];
};
};
security.sudo = {
wheelNeedsPassword = false;
execWheelOnly = true;
};
time.timeZone = "UTC";
users = {
mutableUsers = false;
users = {
git = {
description = "Gitea Service";
home = "/var/lib/gitea";
useDefaultShell = true;
group = "gitea";
isSystemUser = true;
};
motiejus = {
isNormalUser = true;
extraGroups = [ "wheel" ];
openssh.authorizedKeys.keys = [ ssh_pubkeys.motiejus ];
};
};
};
environment.systemPackages = with pkgs; [
jq
vim
git
tmux
tree
wget
lsof
file
htop
mosh
#ncdu
sqlite
ripgrep
binutils
pciutils
headscale
nixos-option
];
programs.mtr.enable = true;
programs.ssh.knownHosts = {
"vno1-oh2.servers.jakst" = {
extraHostNames = ["dl.jakstys.lt" "vno1-oh2.jakstys.lt"];
publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINCJxdEkgQ3U0XxqDibk0g3iV+FG423Yk8hj6VAIOpT5";
};
"hel1-a.servers.jakst" = {
extraHostNames = ["hel1-a.jakstys.lt" "git.jakstys.lt" "vpn.jakstys.lt"];
publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF6Wd2lKrpP2Gqul10obMo2dc1xKaaLv0I4FAnfIaFKu";
};
"hel1-b.servers.jakst" = {
extraHostNames = ["hel1-b.jakstys.lt" "jakstys.lt"];
publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINCJxdEkgQ3U0XxqDibk0g3iV+FG423Yk8hj6VAIOpT5";
};
"mtwork.motiejus.jakst" = {
publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOvNuABV5KXmh6rmS+R50XeJ9/V+Sgpuc1DrlYXW2bQb";
};
"zh2769.rsync.net" = {
publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJtclizeBy1Uo3D86HpgD3LONGVH0CJ0NT+YfZlldAJd";
};
"github.com" = {
publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOMqqnkVzrm0SdG6UOoqKLsabgH5C9okWi0dh2l9GKJl";
};
};
services = {
zfs = {
autoScrub.enable = true;
trim.enable = true;
expandOnBoot = "all";
};
sanoid = {
enable = true;
templates.prod = {
hourly = 24;
daily = 7;
autosnap = true;
autoprune = true;
};
datasets = lib.mapAttrs' (name: value: {
name = value.zfs_name;
value = { use_template = ["prod"]; };
}) backup_paths;
extraArgs = [ "--verbose" ];
};
borgbackup.jobs = lib.mapAttrs' (name: value:
let
snapshot = { mountpoint = value.mountpoint; zfs_name = value.zfs_name; };
rwpath = value.mountpoint + "/.snapshot-latest";
in {
name = name;
value = {
doInit = true;
repo = "zh2769@zh2769.rsync.net:borg/hel1-a.servers.jakst";
encryption = {
mode = "repokey-blake2";
passCommand = "cat /var/src/secrets/borgbackup/password";
};
paths = value.paths;
compression = "auto,lzma";
startAt = "*-*-* 00:05:00";
readWritePaths = [ rwpath ];
preHook = mountLatest snapshot;
postHook = umountLatest snapshot;
} // lib.optionalAttrs (value ? patterns) {
patterns = value.patterns;
};
}) backup_paths;
openssh = {
enable = true;
passwordAuthentication = false;
permitRootLogin = "no";
extraConfig = ''
AcceptEnv GIT_PROTOCOL
'';
};
locate = {
enable = true;
locate = pkgs.plocate;
localuser = null;
};
headscale = {
enable = true;
serverUrl = "https://vpn.jakstys.lt";
openIdConnect = {
issuer = "https://git.jakstys.lt/";
clientId = "1c5fe796-452c-458d-b295-71a9967642fc";
clientSecretFile = "/var/lib/headscale/oidc_client_secret"; # https://github.com/juanfont/headscale/pull/1127
};
settings = {
ip_prefixes = [
"100.89.176.0/20"
"fd7a:115c:a1e0:59b0::/64"
];
dns_config = {
nameservers = [ "1.1.1.1" "8.8.4.4" ];
magic_dns = true;
base_domain = "jakst";
};
};
};
tailscale.enable = true;
gitea = {
enable = true;
user = "git";
database.user = "git";
domain = "git.jakstys.lt";
rootUrl = "https://git.jakstys.lt";
httpAddress = "127.0.0.1";
httpPort = 3000;
settings = {
admin.DISABLE_REGULAR_ORG_CREATION = true;
api.ENABLE_SWAGGER = false;
mirror.ENABLED = false;
other.SHOW_FOOTER_VERSION = false;
packages.ENABLED = false;
repository.DEFAULT_REPO_UNITS = "repo.code,repo.releases";
repository.DISABLE_MIGRATIONS = true;
repository.DISABLE_STARS = true;
repository.ENABLE_PUSH_CREATE_USER = true;
security.LOGIN_REMEMBER_DAYS = 30;
server.ENABLE_GZIP = true;
server.LANDING_PAGE = "/motiejus";
service.DISABLE_REGISTRATION = true;
service.ENABLE_TIMETRACKING = false;
service.ENABLE_USER_HEATMAP = false;
service.SHOW_MILESTONES_DASHBOARD_PAGE = false;
session.COOKIE_SECURE = true;
"service.explore".DISABLE_USERS_PAGE = true;
};
};
caddy = {
enable = true;
email = "motiejus+acme@jakstys.lt";
virtualHosts."vpn.jakstys.lt".extraConfig = ''
reverse_proxy 127.0.0.1:8080
'';
virtualHosts."git.jakstys.lt".extraConfig = ''
reverse_proxy 127.0.0.1:3000
'';
virtualHosts."beta.jakstys.lt" = {
logFormat = ''
output file ${config.services.caddy.logDir}/access-beta.jakstys.lt.log {
roll_disabled
}
'';
extraConfig = ''
header /_/* Cache-Control "public, max-age=31536000, immutable"
root * /var/www/jakstys.lt
file_server {
precompressed br gzip
}
@matrixMatch {
path /.well-known/matrix/client
path /.well-known/matrix/server
}
header @matrixMatch Content-Type application/json
header @matrixMatch Access-Control-Allow-Origin *
header @matrixMatch Cache-Control "public, max-age=3600, immutable"
handle /.well-known/matrix/client {
respond "{\"m.homeserver\": {\"base_url\": \"https://jakstys.lt\"}}" 200
}
handle /.well-known/matrix/server {
respond "{\"m.server\": \"jakstys.lt:443\"}" 200
}
handle /_matrix/* {
reverse_proxy http://hel1-b.servers.jakst:8088
}
'';
};
};
logrotate = {
settings = {
"/var/log/caddy/access-beta.jakstys.lt.log" = {
rotate = 60;
frequency = "daily";
dateext = true;
dateyesterday = true;
compress = true;
compresscmd = "${pkgs.zstd}/bin/zstd";
compressext = ".zst";
compressoptions = "--long -19";
uncompresscmd = "${pkgs.zstd}/bin/unzstd";
postrotate = "${pkgs.systemd}/bin/systemctl restart caddy";
};
};
};
};
# TODO: compress static stuff
#${pkgs.findutils}/bin/find ${pkgs.gitea.data} -name '*.css' -exec ${pkgs.brotli}/bin/brotli {} \+
networking = {
hostName = "hel1-a";
firewall = {
allowedTCPPorts = [ 80 443 ];
allowedUDPPorts = [ 443 ];
checkReversePath = "loose"; # tailscale insists on this
};
};
system = {
copySystemConfiguration = true;
autoUpgrade.enable = true;
autoUpgrade = {
allowReboot = true;
rebootWindow = {
lower = "01:00";
upper = "01:30";
};
};
};
#systemd.services."make-snapshot-dirs" = {
# requiredBy =
#};
# Do not change
system.stateVersion = "22.11";
}