dotfiles/system/hosts/nixserver/default.nix

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{ lib
, pkgs
, config
, ... }:
let
cfg = config.server;
efiPart = "/dev/disk/by-uuid/3E2A-A5CB";
rootUuid = "6aace237-9b48-4294-8e96-196759a5305b";
rootPart = "/dev/disk/by-uuid/${rootUuid}";
hosted-domains =
map
(prefix: if prefix == null then cfg.domainName else "${prefix}.${cfg.domainName}")
[
null
"dns"
"mumble"
"mail"
"music"
"www"
"matrix"
"search"
"git"
"cloud"
"ns1"
"ns2"
];
in {
imports = [
./options.nix
./matrix.nix
./fdroid.nix
./mumble.nix
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./mailserver.nix
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];
system.stateVersion = "22.11";
boot = {
loader = {
grub = {
enable = true;
device = "nodev";
efiSupport = true;
efiInstallAsRemovable = true;
};
efi.efiSysMountPoint = "/boot/efi";
};
};
fileSystems = {
"/" = { device = "none"; fsType = "tmpfs"; neededForBoot = true;
options = [ "defaults" "size=2G" "mode=755" ]; };
"/persist" =
{ device = rootPart; fsType = "btrfs"; neededForBoot = true;
options = [ "compress=zstd:15" ]; };
"/boot" =
{ device = rootPart; fsType = "btrfs"; neededForBoot = true;
options = [ "compress=zstd:15" "subvol=boot" ]; };
"/boot/efi" =
{ device = efiPart; fsType = "vfat"; };
};
zramSwap.enable = true;
swapDevices = [ ];
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services.tlp.enable = false;
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impermanence = {
enable = true;
path = /persist;
directories = [
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{ directory = /home/${config.common.mainUsername}; user = config.common.mainUsername; group = config.common.mainUsername; mode = "0700"; }
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{ directory = /root; }
{ directory = /nix; }
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{ directory = /var/www/${cfg.domainName}; }
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];
};
services.beesd = {
filesystems.root = {
spec = "UUID=${rootUuid}";
hashTableSizeMB = 128;
extraOptions = [ "--loadavg-target" "8.0" ];
};
};
console.font = "${pkgs.terminus_font}/share/consolefonts/ter-v24n.psf.gz";
networking.useDHCP = true;
networking.resolvconf.extraConfig = ''
name_servers="127.0.0.1 ::1"
'';
networking.firewall = {
enable = true;
allowedTCPPorts = [
# ssh
22
# dns
53 853
# http/s
80 443
];
allowedUDPPorts = [
# dns
53 853
];
};
# UNBOUND
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users.users.${config.common.mainUsername}.extraGroups = [ config.services.unbound.group ];
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services.unbound = {
enable = true;
package = pkgs.unbound-with-systemd.override {
withPythonModule = true;
python = pkgs.python3.withPackages (pkgs: with pkgs; [ pydbus dnspython ]);
};
localControlSocketPath = "/run/unbound/unbound.ctl";
resolveLocalQueries = false;
settings = {
server = {
interface = [ "0.0.0.0" "::" ];
access-control = [ "${cfg.lanCidrV4} allow" "${cfg.lanCidrV6} allow" ];
aggressive-nsec = true;
do-ip6 = true;
module-config = ''"validator iterator"'';
local-zone = [
''"local." static''
] ++ (lib.optionals (cfg.localIpV4 != null || cfg.localIpV6 != null) [
''"${cfg.domainName}." typetransparent''
]);
local-data = builtins.concatLists (map (domain:
lib.optionals (cfg.localIpV4 != null) [
''"${domain}. A ${cfg.localIpV4}"''
] ++ (lib.optionals (cfg.localIpV6 != null) [
''"${domain}. A ${cfg.localIpV6}"''
])) hosted-domains);
};
python.python-script = toString (pkgs.fetchurl {
url = "https://raw.githubusercontent.com/NLnetLabs/unbound/a912786ca9e72dc1ccde98d5af7d23595640043b/pythonmod/examples/avahi-resolver.py";
sha256 = "0r1iqjf08wrkpzvj6pql1jqa884hbbfy9ix5gxdrkrva09msiqgi";
});
remote-control.control-enable = true;
};
};
systemd.services.unbound.environment.MDNS_ACCEPT_NAMES = "^.*\\.local\\.$";
# just in case
networking.hosts."127.0.0.1" = [ "localhost" ] ++ hosted-domains;
# CUPS
services.printing = {
enable = true;
allowFrom = [ cfg.lanCidrV4 cfg.lanCidrV6 ];
browsing = true;
clientConf = ''
ServerName ${cfg.domainName}
'';
defaultShared = true;
drivers = [ pkgs.hplip ];
startWhenNeeded = false;
};
services.postgresql.enable = true;
services.postgresql.package = pkgs.postgresql_13;
# SSH
services.openssh = {
enable = true;
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# settings.PermitRootLogin = false;
/*listenAddresses = [{
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addr = "0.0.0.0";
} {
addr = "::";
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}];*/
};
services.fail2ban = {
enable = true;
ignoreIP = lib.optionals (cfg.lanCidrV4 != "0.0.0.0/0") [ cfg.lanCidrV4 ]
++ (lib.optionals (cfg.lanCidrV6 != "::/0") [ cfg.lanCidrV6 ]);
jails.dovecot = ''
enabled = true
filter = dovecot
'';
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};
# SEARXNG
services.searx.enable = true;
services.searx.package = pkgs.searxng.overrideAttrs (_: {
src = pkgs.fetchFromGitHub {
owner = "searxng";
repo = "searxng";
rev = "cb1c3741d7de1354b524589114617f183009f6a8";
sha256 = "sha256-7erY5Bd1ZoTpAIDbhIupu64Xd1PQspaW6vBqu7knzNI=";
};
});
services.searx.runInUwsgi = true;
services.searx.uwsgiConfig = let inherit (config.services.searx) settings; in {
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socket = "${lib.quoteListenAddr settings.server.bind_address}:${toString settings.server.port}";
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};
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services.searx.environmentFile = /var/lib/searx/searx.env;
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services.searx.settings = {
use_default_settings = true;
search = {
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safe_search = 0;
autocomplete = "duckduckgo"; # dbpedia, duckduckgo, google, startpage, swisscows, qwant, wikipedia - leave blank to turn off
default_lang = ""; # leave blank to detect from browser info or use codes from languages.py
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};
server = {
port = 8888;
bind_address = "::1";
secret_key = "@SEARX_SECRET_KEY@";
base_url = "https://search.${cfg.domainName}/";
image_proxy = true;
default_http_headers = {
X-Content-Type-Options = "nosniff";
X-XSS-Protection = "1; mode=block";
X-Download-Options = "noopen";
X-Robots-Tag = "noindex, nofollow";
Referrer-Policy = "no-referrer";
};
};
outgoing = {
request_timeout = 5.0; # default timeout in seconds, can be override by engine
max_request_timeout = 15.0; # the maximum timeout in seconds
pool_connections = 100; # Maximum number of allowable connections, or null
pool_maxsize = 10; # Number of allowable keep-alive connections, or null
enable_http2 = true; # See https://www.python-httpx.org/http2/
};
};
services.nginx.virtualHosts."search.${cfg.domainName}" = let inherit (config.services.searx) settings; in {
enableACME = true;
forceSSL = true;
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# locations."/".proxyPass = "http://${lib.quoteListenAddr settings.server.bind_address}:${toString settings.server.port}";
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locations."/".extraConfig = ''
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uwsgi_pass "${lib.quoteListenAddr settings.server.bind_address}:${toString settings.server.port}";
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include ${config.services.nginx.package}/conf/uwsgi_params;
'';
};
# NGINX
services.nginx.enable = true;
services.nginx.streamConfig =
let
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inherit (config.security.acme.certs."${cfg.domainName}") directory;
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in ''
upstream dns {
zone dns 64k;
server 127.0.0.1:53;
}
server {
listen 853 ssl;
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ssl_certificate ${directory}/fullchain.pem;
ssl_certificate_key ${directory}/key.pem;
ssl_trusted_certificate ${directory}/chain.pem;
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proxy_pass dns;
}
'';
services.nginx.commonHttpConfig = "log_format postdata '{\"ip\":\"$remote_addr\",\"time\":\"$time_iso8601\",\"referer\":\"$http_referer\",\"body\":\"$request_body\",\"ua\":\"$http_user_agent\"}';";
services.nginx.recommendedTlsSettings = true;
services.nginx.recommendedOptimisation = true;
services.nginx.recommendedGzipSettings = true;
services.nginx.recommendedProxySettings = true;
# BLOG
services.nginx.virtualHosts."${cfg.domainName}" = {
enableACME = true;
forceSSL = true;
extraConfig = "autoindex on;";
locations."/".root = "/var/www/${cfg.domainName}/";
locations."/src".root = "/var/www/${cfg.domainName}/";
locations."/src".extraConfig = "index force_dirlisting;";
locations."/submit_comment".extraConfig = ''
access_log /var/log/nginx/comments.log postdata;
proxy_pass https://${cfg.domainName}/submit.htm;
break;
'';
locations."/submit.htm" = {
extraConfig = ''
return 200 '<!doctype html><html><head><base href="/"/><link rel="preload" href="style.css" as="style"><title>Success!</title><meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" /><link rel="icon" type="image/jpeg" href="pfp.jpg"><link rel="alternate" type="application/rss+xml" title="RSS" href="https://${cfg.domainName}/blog/index.xml"><link href="style.css" rel="stylesheet" /><script src="main.js"></script><meta http-equiv="refresh" content="10; url=$http_referer" /></head><body onload="documentLoaded()"><hr/><div class="main-body"><p>Success! It may take a while for your comment to get moderated.</p><p>Please wait for 10 seconds until you get redirected back...</p><p>Or just go there <a href="$http_referer">manually</a>.</p></div><hr/></body></html>';
'';
};
};
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services.nginx.virtualHosts."www.${cfg.domainName}" = {
enableACME = true;
globalRedirect = cfg.domainName;
};
# GITEA
services.nginx.virtualHosts."git.${cfg.domainName}" = let inherit (config.services.gitea) settings; in {
enableACME = true;
forceSSL = true;
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locations."/".proxyPass = "http://${lib.quoteListenAddr settings.server.HTTP_ADDR}:${toString settings.server.HTTP_PORT}";
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};
services.gitea = {
enable = true;
database = {
createDatabase = false;
passwordFile = "/var/lib/gitea/db_password";
type = "postgres";
};
settings = {
mailer = {
ENABLED = true;
FROM = "Gitea <noreply@${cfg.domainName}>";
MAILER_TYPE = "smtp";
HOST = "mail.${cfg.domainName}:587";
USER = "noreply@${cfg.domainName}";
PASSWD = cfg.unhashedNoreplyPassword;
SKIP_VERIFY = true;
};
session = {
COOKIE_SECURE = true;
};
server = {
ROOT_URL = "https://git.${cfg.domainName}";
HTTP_ADDR = "::1";
HTTP_PORT = 3310;
DOMAIN = "git.${cfg.domainName}";
# START_SSH_SERVER = true;
# SSH_PORT = 2222;
};
service = {
DISABLE_REGISTRATION = true;
REGISTER_EMAIL_CONFIRM = true;
};
};
};
# NEXTCLOUD
services.nginx.virtualHosts."cloud.${cfg.domainName}" = {
enableACME = true;
forceSSL = true;
};
services.nextcloud = {
enable = true;
enableBrokenCiphersForSSE = false;
package = pkgs.nextcloud26;
autoUpdateApps.enable = true;
# TODO: use socket auth and remove the next line
database.createLocally = false;
config = {
adminpassFile = "/var/lib/nextcloud/admin_password";
dbpassFile = "/var/lib/nextcloud/db_password";
dbtype = "pgsql";
dbhost = "/run/postgresql";
overwriteProtocol = "https";
};
hostName = "cloud.${cfg.domainName}";
https = true;
};
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services.pleroma = {
enable = true;
secretConfigFile = "/var/lib/pleroma/secrets.exs";
configs = [ ''
import Config
'' ];
};
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systemd.services.pleroma.path = [ pkgs.exiftool pkgs.gawk ];
services.nginx.virtualHosts."pleroma.${cfg.domainName}" = {
enableACME = true;
forceSSL = true;
locations."/".proxyPass = "http://127.0.0.1:9970";
};
/*locations."/dns-query".extraConfig = ''
grpc_pass grpc://127.0.0.1:53453;
'';*/
# TODO: firefox sync?
}