selfprivacy-nixos-infect/nixos-infect
2021-10-12 16:43:06 +03:00

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#! /usr/bin/env bash
# More info at: https://github.com/elitak/nixos-infect
set -e -o pipefail
makeConf() {
export HASHED_PASSWORD=$( mkpasswd -m sha-512 "$PASSWORD" )
# Skip everything if main config already present
[[ -e /etc/nixos/configuration.nix ]] && return 0
# NB <<"EOF" quotes / $ ` in heredocs, <<EOF does not
mkdir /etc/nixos
mkdir -p /etc/nixos/mailserver/system
mkdir /etc/nixos/mailserver/userdata
mkdir /etc/nixos/api
mkdir /etc/nixos/social
mkdir /etc/nixos/letsencrypt
mkdir /etc/nixos/backup
mkdir /etc/nixos/passmgr
mkdir /etc/nixos/webserver
mkdir /etc/nixos/git
mkdir /etc/nixos/nextcloud
mkdir /etc/nixos/resources
mkdir /etc/nixos/videomeet
mkdir /etc/nixos/vpn
# Prevent grep for sending error code 1 (and halting execution) when no lines are selected : https://www.unix.com/man-page/posix/1P/grep
local IFS=$'\n'
for trypath in /root/.ssh/authorized_keys $HOME/.ssh/authorized_keys; do
[[ -r "$trypath" ]] \
&& keys=$(sed -E 's/^.*((ssh|ecdsa)-[^[:space:]]+)[[:space:]]+([^[:space:]]+)([[:space:]]*.*)$/\1 \3\4/' "$trypath") \
&& break
done
local network_import=""
[[ -n "$doNetConf" ]] && network_import="./networking.nix # generated at runtime by nixos-infect"
cat > /etc/nixos/configuration.nix << EOF
{ pkgs, lib, ... }:
{
imports = [
./hardware-configuration.nix
$network_import
$NIXOS_IMPORT
./files.nix
./users.nix
./mailserver/system/mailserver.nix
./mailserver/system/alps.nix
./vpn/ocserv.nix
./api/api.nix
./api/api-module.nix
./social/pleroma.nix
./letsencrypt/acme.nix
./letsencrypt/resolve.nix
./backup/restic.nix
./passmgr/bitwarden.nix
./webserver/nginx.nix
./webserver/memcached.nix
./nextcloud/nextcloud.nix
./resources/limits.nix
./videomeet/jitsi.nix
./git/gitea.nix
];
boot.cleanTmpDir = true;
networking = {
hostName = "$(hostname)";
firewall = {
allowedTCPPorts = lib.mkForce [ 22 25 80 143 443 465 587 993 8443 ];
allowedUDPPorts = lib.mkForce [ 8443 ];
};
nameservers = [ "1.1.1.1" "1.0.0.1" ];
};
time.timeZone = "Europe/Uzhgorod";
i18n.defaultLocale = "en_GB.UTF-8";
users.users.root.openssh.authorizedKeys.keys = [$(while read -r line; do echo -n "
\"$line\" "; done <<< "$keys")
];
services.openssh = {
enable = true;
passwordAuthentication = true;
permitRootLogin = "yes";
openFirewall = false;
};
programs.ssh = {
pubkeyAcceptedKeyTypes = [ "ssh-ed25519" ];
hostKeyAlgorithms = [ "ssh-ed25519" ];
};
environment.systemPackages = with pkgs; [
git
];
environment.variables = {
DOMAIN = "$DOMAIN";
};
system.autoUpgrade.enable = true;
system.autoUpgrade.allowReboot = false;
system.autoUpgrade.channel = https://nixos.org/channels/nixos-21.05-small;
nix = {
optimise.automatic = true;
gc = {
automatic = true;
options = "--delete-older-than 7d";
};
};
boot.kernel.sysctl = {
"net.ipv4.ip_forward" = 1;
};
swapDevices = [
{
device = "/swapfile";
priority = 0;
size = 2048;
}
];
security = {
sudo = {
enable = true;
};
};
}
EOF
# If you rerun this later, be sure to prune the filesSystems attr
cat > /etc/nixos/hardware-configuration.nix << EOF
{ ... }:
{
imports = [ <nixpkgs/nixos/modules/profiles/qemu-guest.nix> ];
boot.loader.grub.device = "$grubdev";
fileSystems = {
"/" = { device = "$rootfsdev"; fsType = "ext4"; };
"/var" = { device = "/dev/sdb"; fsType = "ext4"; };
};
}
EOF
cat > /etc/nixos/files.nix << EOF
{ pkgs, ... }:
{
systemd.tmpfiles.rules =
let
nextcloudDBPass = builtins.replaceStrings [ "\n" "\"" "\\\" ] [ "\\\n" "\\\\\"" "\\\\\\\\" ] ''
$PASSWORD
'';
nextcloudAdminPass = builtins.replaceStrings [ "\n" "\"" "\\\" ] [ "\\\n" "\\\\\"" "\\\\\\\\" ] ''
$PASSWORD
'';
resticPass = builtins.replaceStrings [ "\n" "\"" "\\\" ] [ "\\\n" "\\\\\"" "\\\\\\\\" ] ''
$PASSWORD
'';
domain = builtins.replaceStrings [ "\n" "\"" "\\\" ] [ "\\\n" "\\\\\"" "\\\\\\\\" ] ''
$DOMAIN
'';
cloudflareCredentials = builtins.replaceStrings [ "\n" "\"" "\\\" ] [ "\\\n" "\\\\\"" "\\\\\\\\" ] ''
CF_API_KEY=$CF_TOKEN
CLOUDFLARE_DNS_API_TOKEN=$CF_TOKEN
CLOUDFLARE_ZONE_API_TOKEN=$CF_TOKEN
'';
in
[
"d /var/restic 0660 restic - - -"
"d /var/bitwarden 0777 bitwarden_rs bitwarden_rs -"
"d /var/bitwarden/backup 0777 bitwarden_rs bitwarden_rs -"
"d /var/lib/pleroma 0600 pleroma pleroma - -"
"f /var/lib/pleroma/secrets.exs 0755 pleroma pleroma - -"
"f /var/domain 0444 selfprivacy-api selfprivacy-api - \${domain}"
"f /var/restic/restic-repo-password 0660 restic - - \${resticPass}"
"f /var/nextcloud-db-pass 0440 nextcloud nextcloud - \${nextcloudDBPass}"
"f /var/nextcloud-admin-pass 0440 nextcloud nextcloud - \${nextcloudAdminPass}"
"f /var/cloudflareCredentials.ini 0440 nginx acmerecievers - \${cloudflareCredentials}"
];
}
EOF
cat > /etc/nixos/users.nix << EOF
{ pkgs, ... }:
{
users.mutableUsers = false;
users = {
users = {
#begin
"$LUSER" = {
isNormalUser = true;
hashedPassword = "$HASHED_PASSWORD";
};
#end
};
};
}
EOF
cat > /etc/nixos/mailserver/system/mailserver.nix << EOF
{ config, pkgs, lib, ... }:
{
imports = [
(builtins.fetchTarball {
# Pick a commit from the branch you are interested in
url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/5675b122/nixos-mailserver-5675b122.tar.gz";
# And set its hash
sha256 = "1fwhb7a5v9c98nzhf3dyqf3a5ianqh7k50zizj8v5nmj3blxw4pi";
})
];
services.dovecot2 = {
enablePAM = lib.mkForce true;
showPAMFailure = lib.mkForce true;
};
users.users = {
virtualMail = {
isNormalUser = false;
};
};
mailserver = {
enable = true;
fqdn = "$DOMAIN";
domains = [ "$DOMAIN" ];
# A list of all login accounts. To create the password hashes, use
# mkpasswd -m sha-512 "super secret password"
loginAccounts = {
"$LUSER@$DOMAIN" = {
hashedPassword = "$HASHED_PASSWORD";
catchAll = [ "$DOMAIN" ];
sieveScript = ''
require ["fileinto", "mailbox"];
if header :contains "Chat-Version" "1.0"
{
fileinto :create "DeltaChat";
stop;
}
'';
};
};
extraVirtualAliases = {
"admin@$DOMAIN" = "$LUSER@$DOMAIN";
};
certificateScheme = 1;
certificateFile = "/var/lib/acme/$DOMAIN/fullchain.pem";
keyFile = "/var/lib/acme/$DOMAIN/key.pem";
# Enable IMAP and POP3
enableImap = true;
enableImapSsl = true;
enablePop3 = false;
enablePop3Ssl = false;
dkimSelector = "selector";
# Enable the ManageSieve protocol
enableManageSieve = true;
virusScanning = false;
};
}
EOF
cat > /etc/nixos/letsencrypt/acme.nix << EOF
{ pkgs, ... }:
{
users.groups.acmerecievers = {
members = [ "nginx" "dovecot2" "postfix" "virtualMail" "ocserv" ];
};
security.acme = {
acceptTerms = true;
email = "$LUSER@$DOMAIN";
certs = {
"$DOMAIN" = {
domain = "*.$DOMAIN";
extraDomainNames = [ "$DOMAIN" ];
group = "acmerecievers";
dnsProvider = "cloudflare";
credentialsFile = "/var/cloudflareCredentials.ini";
};
};
};
}
EOF
cat > /etc/nixos/letsencrypt/resolve.nix << EOF
{ pkgs, ... }:
{
systemd = {
services = {
"acme-$DOMAIN" = {
serviceConfig = {
StartLimitBurst = 5;
StartLimitIntervalSec = 5;
Restart = "on-failure";
};
};
"nginx-config-reload" = {
serviceConfig = {
After = [ "acme-$DOMAIN.service" ];
};
};
};
};
}
EOF
cat > /etc/nixos/backup/restic.nix << EOF
{ pkgs, ... }:
{
services.restic.backups = {
options = {
passwordFile = "/etc/restic/resticPasswd";
repository = "s3:s3.anazonaws.com/$S3_BUCKET";
initialize = true;
paths = [
"/var/dkim"
"/var/vmail"
];
timerConfig = {
OnCalendar = [ "daily" ];
};
user = "restic";
pruneOpts = [
"--keep-daily 5"
];
};
};
users.users.restic = {
isNormalUser = false;
isSystemUser = true;
};
environment.etc."restic/resticPasswd".text = ''
$PASSWORD
'';
environment.etc."restic/s3Passwd".text = ''
AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID
AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY
'';
}
EOF
cat > /etc/nixos/passmgr/bitwarden.nix << EOF
{ pkgs, ... }:
{
services.bitwarden_rs = {
enable = true;
dbBackend = "sqlite";
backupDir = "/var/bitwarden/backup";
config = {
domain = "https://password.$DOMAIN/";
signupsAllowed = true;
rocketPort = 8222;
};
};
}
EOF
cat > /etc/nixos/webserver/nginx.nix << EOF
{ pkgs, ... }:
{
services.nginx = {
enable = true;
enableReload = true;
recommendedGzipSettings = true;
recommendedOptimisation = true;
recommendedProxySettings = true;
recommendedTlsSettings = true;
clientMaxBodySize = "1024m";
virtualHosts = {
"$DOMAIN" = {
sslCertificate = "/var/lib/acme/$DOMAIN/fullchain.pem";
sslCertificateKey = "/var/lib/acme/$DOMAIN/key.pem";
forceSSL = true;
};
"vpn.$DOMAIN" = {
sslCertificate = "/var/lib/acme/$DOMAIN/fullchain.pem";
sslCertificateKey = "/var/lib/acme/$DOMAIN/key.pem";
forceSSL = true;
};
"git.$DOMAIN" = {
sslCertificate = "/var/lib/acme/$DOMAIN/fullchain.pem";
sslCertificateKey = "/var/lib/acme/$DOMAIN/key.pem";
forceSSL = true;
locations = {
"/" = {
proxyPass = "http://127.0.0.1:3000";
};
};
};
"cloud.$DOMAIN" = {
sslCertificate = "/var/lib/acme/$DOMAIN/fullchain.pem";
sslCertificateKey = "/var/lib/acme/$DOMAIN/key.pem";
forceSSL = true;
locations = {
"/" = {
proxyPass = "http://127.0.0.1:80/";
};
};
};
"meet.$DOMAIN" = {
forceSSL = true;
sslCertificate = "/var/lib/acme/$DOMAIN/fullchain.pem";
sslCertificateKey = "/var/lib/acme/$DOMAIN/key.pem";
root = pkgs.jitsi-meet;
extraConfig = ''
ssi on;
'';
locations = {
"@root_path" = {
extraConfig = ''
rewrite ^/(.*)$ / break;
'';
};
"~ ^/([^/\\\\?&:'\\"]+)$" = {
tryFiles = "\$uri @root_path";
};
"=/http-bind" = {
proxyPass = "http://localhost:5280/http-bind";
extraConfig = ''
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header Host \$host;
'';
};
"=/external_api.js" = {
alias = "\${pkgs.jitsi-meet}/libs/external_api.min.js";
};
"=/config.js" = {
alias = "\${pkgs.jitsi-meet}/config.js";
};
"=/interface_config.js" = {
alias = "\${pkgs.jitsi-meet}/interface_config.js";
};
};
};
"password.$DOMAIN" = {
sslCertificate = "/var/lib/acme/$DOMAIN/fullchain.pem";
sslCertificateKey = "/var/lib/acme/$DOMAIN/key.pem";
forceSSL = true;
locations = {
"/" = {
proxyPass = "http://127.0.0.1:8222";
};
};
};
"api.$DOMAIN" = {
sslCertificate = "/var/lib/acme/$DOMAIN/fullchain.pem";
sslCertificateKey = "/var/lib/acme/$DOMAIN/key.pem";
forceSSL = true;
locations = {
"/" = {
proxyPass = "http://127.0.0.1:5050";
};
};
};
"social.$DOMAIN" = {
sslCertificate = "/var/lib/acme/$DOMAIN/fullchain.pem";
sslCertificateKey = "/var/lib/acme/$DOMAIN/key.pem";
root = "/var/www/social.$DOMAIN";
forceSSL = true;
locations = {
"/" = {
proxyPass = "http://127.0.0.1:4000";
};
};
extraConfig = ''
client_max_body_size 1024m;
'';
};
};
};
}
EOF
cat > /etc/nixos/webserver/memcached.nix << EOF
{ pkgs, ... }:
{
services = {
memcached = {
enable = true;
user = "memcached";
listen = "127.0.0.1";
port = 11211;
maxMemory = 64;
maxConnections = 1024;
};
};
}
EOF
cat > /etc/nixos/nextcloud/nextcloud.nix << EOF
{ pkgs, ... }:
{
services.nextcloud = {
enable = true;
package = pkgs.nextcloud22;
hostName = "cloud.$DOMAIN";
# Use HTTPS for links
https = true;
# Auto-update Nextcloud Apps
autoUpdateApps.enable = true;
# Set what time makes sense for you
autoUpdateApps.startAt = "05:00:00";
config = {
# Further forces Nextcloud to use HTTPS
overwriteProtocol = "http";
# Nextcloud PostegreSQL database configuration, recommended over using SQLite
dbtype = "sqlite";
dbuser = "nextcloud";
dbhost = "/run/postgresql"; # nextcloud will add /.s.PGSQL.5432 by itself
dbname = "nextcloud";
dbpassFile = "/var/nextcloud-db-pass";
adminpassFile = "/var/nextcloud-admin-pass";
adminuser = "admin";
};
};
}
EOF
cat > /etc/nixos/git/gitea.nix << EOF
{ pkgs, ... }:
{
services = {
gitea = {
enable = true;
stateDir = "/var/lib/gitea";
log = {
rootPath = "/var/lib/gitea/log";
level = "Warn";
};
user = "gitea";
database = {
type = "sqlite3";
host = "127.0.0.1";
name = "gitea";
user = "gitea";
path = "/var/lib/gitea/data/gitea.db";
createDatabase = true;
};
ssh = {
enable = true;
clonePort = 22;
};
lfs = {
enable = true;
contentDir = "/var/lib/gitea/lfs";
};
appName = "SelfPrivacy git Service";
repositoryRoot = "/var/lib/gitea/repositories";
domain = "git.$DOMAIN";
rootUrl = "https://$DOMAIN/";
httpAddress = "0.0.0.0";
httpPort = 3000;
cookieSecure = true;
settings = {
mailer = {
ENABLED = false;
};
ui = {
DEFAULT_THEME = "arc-green";
};
picture = {
DISABLE_GRAVATAR = true;
};
admin = {
ENABLE_KANBAN_BOARD = true;
};
repository = {
FORCE_PRIVATE = false;
};
};
};
};
}
EOF
cat > /etc/nixos/resources/limits.nix << EOF
{ pkgs, ... }:
{
systemd.services = {
dovecot2 = {
serviceConfig = {
cpuAccounting = true;
cpuQuota = "20%";
memoryAccounting = true;
memoryMax = "256M";
startLimitIntervalSec = 500;
startLimitBurst = 5;
blockIOWeigth = 25;
};
};
postfix = {
serviceConfig = {
cpuAccounting = true;
cpuQuota = "20%";
memoryAccounting = true;
memoryMax = "256M";
startLimitIntervalSec = 500;
startLimitBurst = 5;
blockIOWeigth = 25;
};
};
ocserv = {
serviceConfig = {
cpuAccounting = true;
cpuQuota = "70%";
memoryAccounting = true;
memoryMax = "512M";
startLimitIntervalSec = 500;
startLimitBurst = 5;
};
};
nginx = {
serviceConfig = {
cpuAccounting = true;
cpuQuota = "70%";
memoryAccounting = true;
memoryMax = "768M";
startLimitIntervalSec = 500;
startLimitBurst = 5;
blockIOWeigth = 10;
};
};
};
}
EOF
cat > /etc/nixos/videomeet/jitsi.nix << EOF
{ pkgs, ... }:
{
services.jitsi-meet = {
enable = false;
hostName = "meet.$DOMAIN";
nginx.enable = false;
interfaceConfig = {
SHOW_JITSI_WATERMARK = false;
SHOW_WATERMARK_FOR_GUESTS = false;
};
};
}
EOF
cat > /etc/nixos/api/api.nix << EOF
{ pkgs, ... }:
{
services.selfprivacy-api = {
enable = true;
};
users.users."selfprivacy-api" = {
isNormalUser = false;
isSystemUser = true;
extraGroups = [ "opendkim" ];
};
users.groups."selfprivacy-api" = {
members = [ "selfprivacy-api" ];
};
}
EOF
cat > /etc/nixos/api/api-package.nix << EOF
{ nixpkgs ? import <nixpkgs> {}, pythonPkgs ? nixpkgs.pkgs.python37Packages }:
let
inherit (nixpkgs) pkgs;
inherit pythonPkgs;
selfprivacy-api = { buildPythonPackage, flask, flask-restful, pandas }:
buildPythonPackage rec {
pname = "selfprivacy-api";
version = "1.0";
src = builtins.fetchGit {
url = "https://git.selfprivacy.org/ilchub/selfprivacy-rest-api.git";
rev = "568add06c6d622d417582ce55e3cc960686721ed";
};
propagatedBuildInputs = [ flask flask-restful pandas ];
meta = {
description = ''
SelfPrivacy Server Management API
'';
};
};
drv = pythonPkgs.callPackage selfprivacy-api {};
in
if pkgs.lib.inNixShell then drv.env else drv
EOF
cat > /etc/nixos/api/api-module.nix << EOF
{ config, lib, pkgs, ... }:
with lib;
let
selfprivacy-api = pkgs.callPackage ./api-package.nix {};
cfg = config.services.selfprivacy-api;
directionArg = if cfg.direction == ""
then ""
else "--direction=\${cfg.direction}";
in
{
options.services.selfprivacy-api = {
enable = mkOption {
default = false;
type = types.bool;
description = ''
Enable SelfPrivacy API service
'';
};
};
config = lib.mkIf cfg.enable {
systemd.services.selfprivacy-api = {
description = "API Server used to control system from the mobile application";
environment = config.nix.envVars // {
inherit (config.environment.sessionVariables) NIX_PATH;
HOME = "/root";
PYTHONUNBUFFERED = "1";
} // config.networking.proxy.envVars;
path = [ "/var/" "/var/dkim/" pkgs.coreutils pkgs.gnutar pkgs.xz.bin pkgs.gzip pkgs.gitMinimal config.nix.package.out pkgs.nixos-rebuild ];
after = [ "network-online.target" ];
wantedBy = [ "network-online.target" ];
serviceConfig = {
User = "root";
ExecStart = "\${selfprivacy-api}/bin/main.py";
Restart = "always";
RestartSec = "5";
};
};
};
}
EOF
cat > /etc/nixos/vpn/ocserv.nix << EOF
{ pkgs, ...}:
{
users.groups.ocserv = {
members = [ "ocserv" ];
};
users.users.ocserv = {
isNormalUser = false;
isSystemUser = true;
extraGroups = [ "ocserv" "acmerecievers" ];
};
services.ocserv = {
enable = true;
config = ''
socket-file = /var/run/ocserv-socket
auth = "pam"
tcp-port = 8443
udp-port = 8443
server-cert = /var/lib/acme/$DOMAIN/fullchain.pem
server-key = /var/lib/acme/$DOMAIN/key.pem
compression = true
max-clients = 0
max-same-clients = 6
try-mtu-discovery = true
idle-timeout=1200
mobile-idle-timeout=2400
default-domain = vpn.$DOMAIN
device = vpn0
ipv4-network = 10.10.10.0
ipv4-netmask = 255.255.255.0
tunnel-all-dns = true
dns = 1.1.1.1
dns = 1.0.0.1
route = default
cisco-client-compat = true
'';
};
}
EOF
cat > /etc/nixos/social/pleroma-package.nix << EOF
{ lib
, stdenv
, autoPatchelfHook
, fetchurl
, file
, makeWrapper
, ncurses
, nixosTests
, openssl
, unzip
, zlib
}:
stdenv.mkDerivation {
pname = "pleroma-otp";
version = "2.3.0";
# To find the latest binary release stable link, have a look at
# the CI pipeline for the latest commit of the stable branch
# https://git.pleroma.social/pleroma/pleroma/-/tree/stable
src = {
aarch64-linux = fetchurl {
url = "https://git.pleroma.social/pleroma/pleroma/-/jobs/182392/artifacts/download";
sha256 = "1drpd6xh7m2damxi5impb8jwvjl6m3qv5yxynl12i8g66vi3rbwf";
};
x86_64-linux = fetchurl {
url = "https://git.pleroma.social/pleroma/pleroma/-/jobs/182388/artifacts/download";
sha256 = "1c6l04gga9iigm249ywwcrjg6wzy8iiid652mws3j9dnl71w2sim";
};
}."\${stdenv.hostPlatform.system}";
nativeBuildInputs = [ unzip ];
buildInputs = [
autoPatchelfHook
file
makeWrapper
ncurses
openssl
zlib
];
# mkDerivation fails to detect the zip nature of $src due to the
# missing .zip extension.
# Let's unpack the archive explicitely.
unpackCmd = "unzip \$curSrc";
installPhase = ''
mkdir \$out
cp -r * \$out'';
# Pleroma is using the project's root path (here the store path)
# as its TMPDIR.
# Patching it to move the tmp dir to the actual tmpdir
postFixup = ''
wrapProgram \$out/bin/pleroma \
--set-default RELEASE_TMP "/tmp"
wrapProgram \$out/bin/pleroma_ctl \
--set-default RELEASE_TMP "/tmp"'';
passthru.tests = {
pleroma = nixosTests.pleroma;
};
meta = with lib; {
description = "ActivityPub microblogging server";
homepage = https://git.pleroma.social/pleroma/pleroma;
license = licenses.agpl3;
maintainers = with maintainers; [ ninjatrappeur ];
platforms = [ "x86_64-linux" "aarch64-linux" ];
};
}
EOF
cat > /etc/nixos/social/pleroma-module.nix << EOF
{ config, options, lib, pkgs, stdenv, ... }:
let
cfg = config.services.pleroma;
in {
options = {
services.pleroma = with lib; {
enable = mkEnableOption "pleroma";
package = mkOption {
type = types.package;
default = pkgs.pleroma-otp;
description = "Pleroma package to use.";
};
user = mkOption {
type = types.str;
default = "pleroma";
description = "User account under which pleroma runs.";
};
group = mkOption {
type = types.str;
default = "pleroma";
description = "Group account under which pleroma runs.";
};
stateDir = mkOption {
type = types.str;
default = "/var/lib/pleroma";
readOnly = true;
description = "Directory where the pleroma service will save the uploads and static files.";
};
configs = mkOption {
type = with types; listOf str;
description = ''
Pleroma public configuration.
This list gets appended from left to
right into /etc/pleroma/config.exs. Elixir evaluates its
configuration imperatively, meaning you can override a
setting by appending a new str to this NixOS option list.
<emphasis>DO NOT STORE ANY PLEROMA SECRET
HERE</emphasis>, use
<link linkend="opt-services.pleroma.secretConfigFile">services.pleroma.secretConfigFile</link>
instead.
This setting is going to be stored in a file part of
the Nix store. The Nix store being world-readable, it's not
the right place to store any secret
Have a look to Pleroma section in the NixOS manual for more
informations.
'';
};
secretConfigFile = mkOption {
type = types.str;
default = "/var/lib/pleroma/secrets.exs";
description = ''
Path to the file containing your secret pleroma configuration.
<emphasis>DO NOT POINT THIS OPTION TO THE NIX
STORE</emphasis>, the store being world-readable, it'll
compromise all your secrets.
'';
};
};
};
config = lib.mkIf cfg.enable {
users = {
users."\${cfg.user}" = {
description = "Pleroma user";
home = cfg.stateDir;
extraGroups = [ cfg.group ];
};
groups."\${cfg.group}" = {};
};
environment.systemPackages = [ cfg.package ];
environment.etc."/pleroma/config.exs".text = ''
\${lib.concatMapStrings (x: "\${x}") cfg.configs}
# The lau/tzdata library is trying to download the latest
# timezone database in the OTP priv directory by default.
# This directory being in the store, it's read-only.
# Setting that up to a more appropriate location.
config :tzdata, :data_dir, "/var/lib/pleroma/elixir_tzdata_data"
import_config "\${cfg.secretConfigFile}"
'';
systemd.services.pleroma = {
description = "Pleroma social network";
after = [ "network-online.target" "postgresql.service" ];
wantedBy = [ "multi-user.target" ];
restartTriggers = [ config.environment.etc."/pleroma/config.exs".source ];
serviceConfig = {
User = cfg.user;
Group = cfg.group;
Type = "exec";
WorkingDirectory = "~";
StateDirectory = "pleroma pleroma/static pleroma/uploads";
StateDirectoryMode = "700";
# Checking the conf file is there then running the database
# migration before each service start, just in case there are
# some pending ones.
#
# It's sub-optimal as we'll always run this, even if pleroma
# has not been updated. But the no-op process is pretty fast.
# Better be safe than sorry migration-wise.
ExecStartPre =
let preScript = pkgs.writers.writeBashBin "pleromaStartPre"
"\${cfg.package}/bin/pleroma_ctl migrate";
in "\${preScript}/bin/pleromaStartPre";
ExecStart = "\${cfg.package}/bin/pleroma start";
ExecStop = "\${cfg.package}/bin/pleroma stop";
ExecReload = "\${pkgs.coreutils}/bin/kill -HUP \$MAINPID";
# Systemd sandboxing directives.
# Taken from the upstream contrib systemd service at
# pleroma/installation/pleroma.service
PrivateTmp = true;
ProtectHome = true;
ProtectSystem = "full";
PrivateDevices = false;
NoNewPrivileges = true;
CapabilityBoundingSet = "~CAP_SYS_ADMIN";
};
};
};
meta.maintainers = with lib.maintainers; [ ninjatrappeur ];
}
EOF
cat > /etc/nixos/social/pleroma.nix << EOF
{ pkgs, ... }:
{
nixpkgs.overlays = [(self: super: {
pleroma-otp = self.callPackage ./pleroma-package.nix {};
})];
services = {
pleroma = {
enable = true;
user = "pleroma";
group = "pleroma";
configs = [
(builtins.readFile ./config.exs)
];
};
postgresql = {
enable = true;
package = pkgs.postgresql_12;
initialScript = "/etc/setup.psql";
};
};
environment.etc."setup.psql".text = ''
CREATE USER pleroma WITH ENCRYPTED PASSWORD '$DB_PASSWORD';
CREATE DATABASE pleroma OWNER pleroma;
\\c pleroma;
--Extensions made by ecto.migrate that need superuser access
CREATE EXTENSION IF NOT EXISTS citext;
CREATE EXTENSION IF NOT EXISTS pg_trgm;
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
'';
users.users.pleroma = {
extraGroups = [ "postgres" ];
};
}
EOF
cat > /etc/nixos/social/config.exs << EOF
import Config
config :pleroma, Pleroma.Web.Endpoint,
url: [host: "social.$DOMAIN", scheme: "https", port: 443],
http: [ip: {127, 0, 0, 1}, port: 4000]
#secret_key_base: "",
#signing_salt: ""
config :pleroma, :instance,
name: "social.$DOMAIN",
email: "$LUSER@$DOMAIN",
notify_email: "$LUSER@$DOMAIN",
limit: 5000,
upload_limit: 1073741824,
registrations_open: true
config :pleroma, :media_proxy,
enabled: false,
redirect_on_failure: true
#base_url: "https://cache.pleroma.social"
config :pleroma, Pleroma.Repo,
adapter: Ecto.Adapters.Postgres,
username: "pleroma",
password: "$DB_PASSWORD",
database: "pleroma",
hostname: "localhost",
pool_size: 10
#config :web_push_encryption, :vapid_details,
#subject: "",
#public_key: "",
#private_key: ""
config :pleroma, :database, rum_enabled: false
config :pleroma, :instance, static_dir: "/var/lib/pleroma/static"
config :pleroma, Pleroma.Uploaders.Local, uploads: "/var/lib/pleroma/uploads"
config :pleroma, :http_security,
sts: true
#config :joken, default_signer: ""
config :pleroma, configurable_from_database: false
EOF
cat > /etc/nixos/mailserver/system/alps.nix << EOF
{ pkgs, lib, fetchgit, buildGoModule, ... }: {
nixpkgs.overlays =
[ (self: super: { alps = self.callPackage ./alps-package.nix { }; }) ];
systemd.services = {
alps = {
path = [ pkgs.alps pkgs.coreutils ];
serviceConfig = {
ExecStart =
"\${pkgs.alps}/bin/alps -theme sourcehut imaps://$DOMAIN:993 smtps://$DOMAIN:465";
WorkingDirectory = "\${pkgs.alps}/bin";
};
};
};
}
EOF
cat > /etc/nixos/mailserver/system/alps-package.nix << EOF
{ lib, fetchgit, buildGoModule, ... }:
buildGoModule rec {
pname = "alps";
version = "v1.0.0"; # latest available tag at the moment
src = fetchGit {
url = "https://git.selfprivacy.org/ilchub/selfprivacy-alps";
rev = "dc2109ca2fdabfbda5d924faa4947f5694d5d758";
};
vendorSha256 = "0bqg0qjam4mvh07wfil6l5spz32mk5a7kfxxnwfyva805pzmn6dk";
deleteVendor = false;
runVend = true;
buildPhase = ''
go build ./cmd/alps
'';
installPhase = ''
mkdir -p \$out/bin
cp -r * \$out/bin
'';
meta = with lib; {
description = "Webmail application for the dovecot/postfix mailserver";
homepage = "https://git.selfprivacy.org/ilchub/selfprivacy-alps";
license = licenses.mit;
};
}
EOF
[[ -n "$doNetConf" ]] && makeNetworkingConf || true
}
makeNetworkingConf() {
# XXX It'd be better if we used procfs for all this...
local IFS=$'\n'
eth0_name=$(ip address show | grep '^2:' | awk -F': ' '{print $2}')
eth0_ip4s=$(ip address show dev "$eth0_name" | grep 'inet ' | sed -r 's|.*inet ([0-9.]+)/([0-9]+).*|{ address="\1"; prefixLength=\2; }|')
eth0_ip6s=$(ip address show dev "$eth0_name" | grep 'inet6 ' | sed -r 's|.*inet6 ([0-9a-f:]+)/([0-9]+).*|{ address="\1"; prefixLength=\2; }|' || '')
gateway=$(ip route show dev "$eth0_name" | grep default | sed -r 's|default via ([0-9.]+).*|\1|')
gateway6=$(ip -6 route show dev "$eth0_name" | grep default | sed -r 's|default via ([0-9a-f:]+).*|\1|' || true)
ether0=$(ip address show dev "$eth0_name" | grep link/ether | sed -r 's|.*link/ether ([0-9a-f:]+) .*|\1|')
eth1_name=$(ip address show | grep '^3:' | awk -F': ' '{print $2}')||true
if [ -n "$eth1_name" ];then
eth1_ip4s=$(ip address show dev "$eth1_name" | grep 'inet ' | sed -r 's|.*inet ([0-9.]+)/([0-9]+).*|{ address="\1"; prefixLength=\2; }|')
eth1_ip6s=$(ip address show dev "$eth1_name" | grep 'inet6 ' | sed -r 's|.*inet6 ([0-9a-f:]+)/([0-9]+).*|{ address="\1"; prefixLength=\2; }|' || '')
ether1=$(ip address show dev "$eth1_name" | grep link/ether | sed -r 's|.*link/ether ([0-9a-f:]+) .*|\1|')
interfaces1=<< EOF
$eth1_name = {
ipv4.addresses = [$(for a in "${eth1_ip4s[@]}"; do echo -n "
$a"; done)
];
ipv6.addresses = [$(for a in "${eth1_ip6s[@]}"; do echo -n "
$a"; done)
];
EOF
extraRules1="ATTR{address}==\"${ether1}\", NAME=\"${eth1_name}\""
else
interfaces1=""
extraRules1=""
fi
readarray nameservers < <(grep ^nameserver /etc/resolv.conf | sed -r 's/^nameserver[[:space:]]+([0-9.a-fA-F]+).*/"\1"/')
if [[ "$eth0_name" = eth* ]]; then
predictable_inames="usePredictableInterfaceNames = lib.mkForce false;"
else
predictable_inames="usePredictableInterfaceNames = lib.mkForce true;"
fi
cat > /etc/nixos/networking.nix << EOF
{ lib, ... }: {
# This file was populated at runtime with the networking
# details gathered from the active system.
networking = {
nameservers = [ ${nameservers[@]} ];
defaultGateway = "${gateway}";
defaultGateway6 = "${gateway6}";
dhcpcd.enable = false;
$predictable_inames
interfaces = {
$eth0_name = {
ipv4.addresses = [$(for a in "${eth0_ip4s[@]}"; do echo -n "
$a"; done)
];
ipv6.addresses = [$(for a in "${eth0_ip6s[@]}"; do echo -n "
$a"; done)
];
ipv4.routes = [ { address = "${gateway}"; prefixLength = 32; } ];
ipv6.routes = [ { address = "${gateway6}"; prefixLength = 32; } ];
};
$interfaces1
};
};
services.udev.extraRules = ''
ATTR{address}=="${ether0}", NAME="${eth0_name}"
$extraRules1
'';
}
EOF
}
makeSwap() {
# TODO check currently available swapspace first
swapFile=$(mktemp /tmp/nixos-infect.XXXXX.swp)
dd if=/dev/zero "of=$swapFile" bs=1M count=$((1*1024))
chmod 0600 "$swapFile"
mkswap "$swapFile"
swapon -v "$swapFile"
}
removeSwap() {
swapoff -a
rm -vf /tmp/nixos-infect.*.swp
}
prepareEnv() {
# $grubdev is used in makeConf()
for grubdev in /dev/vda /dev/sda; do [[ -e $grubdev ]] && break; done
# Retrieve root fs block device
# (get root mount) (get partition or logical volume)
rootfsdev=$(mount | grep "on / type" | awk '{print $1;}')
# DigitalOcean doesn't seem to set USER while running user data
export USER="root"
export HOME="/root"
# Nix installer tries to use sudo regardless of whether we're already uid 0
#which sudo || { sudo() { eval "$@"; }; export -f sudo; }
# shellcheck disable=SC2174
mkdir -p -m 0755 /nix
}
fakeCurlUsingWget() {
# Use adapted wget if curl is missing
which wget && { \
curl() {
eval "wget $(
(local isStdout=1
for arg in "$@"; do
case "$arg" in
"-o")
echo "-O";
isStdout=0
;;
"-O")
isStdout=0
;;
"-L")
;;
*)
echo "$arg"
;;
esac
done;
[[ $isStdout -eq 1 ]] && echo "-O-"
)| tr '\n' ' '
)"
}; export -f curl; }
}
req() {
type "$1" > /dev/null 2>&1 || which "$1" > /dev/null 2>&1
}
checkEnv() {
# Perform some easy fixups before checking
# TODO prevent multiple calls to apt-get update
which dnf && dnf install -y perl-Digest-SHA # Fedora 24
which bzcat || (which yum && yum install -y bzip2) \
|| (which apt-get && apt-get update && apt-get install -y bzip2) \
|| true
which xzcat || (which yum && yum install -y xz-utils) \
|| (which apt-get && apt-get update && apt-get install -y xz-utils) \
|| true
which curl || fakeCurlUsingWget \
|| (which apt-get && apt-get update && apt-get install -y curl) \
|| true
[[ "$(whoami)" == "root" ]] || { echo "ERROR: Must run as root"; return 1; }
req curl || req wget || { echo "ERROR: Missing both curl and wget"; return 1; }
req bzcat || { echo "ERROR: Missing bzcat"; return 1; }
req xzcat || { echo "ERROR: Missing xzcat"; return 1; }
req groupadd || { echo "ERROR: Missing groupadd"; return 1; }
req useradd || { echo "ERROR: Missing useradd"; return 1; }
req ip || { echo "ERROR: Missing ip"; return 1; }
req awk || { echo "ERROR: Missing awk"; return 1; }
req cut || { echo "ERROR: Missing cut"; return 1; }
}
infect() {
# Add nix build users
# FIXME run only if necessary, rather than defaulting true
groupadd nixbld -g 30000 || true
for i in {1..10}; do
useradd -c "Nix build user $i" -d /var/empty -g nixbld -G nixbld -M -N -r -s "$(which nologin)" "nixbld$i" || true
done
# TODO use addgroup and adduser as fallbacks
#addgroup nixbld -g 30000 || true
#for i in {1..10}; do adduser -DH -G nixbld nixbld$i || true; done
curl -L https://nixos.org/nix/install | $SHELL
# shellcheck disable=SC1090
source ~/.nix-profile/etc/profile.d/nix.sh
[[ -z "$NIX_CHANNEL" ]] && NIX_CHANNEL="nixos-19.09"
nix-channel --remove nixpkgs
nix-channel --add "https://nixos.org/channels/$NIX_CHANNEL" nixos
nix-channel --update
export NIXOS_CONFIG=/etc/nixos/configuration.nix
nix-env --set \
-I nixpkgs=$HOME/.nix-defexpr/channels/nixos \
-f '<nixpkgs/nixos>' \
-p /nix/var/nix/profiles/system \
-A system
# Remove nix installed with curl | bash
rm -fv /nix/var/nix/profiles/default*
/nix/var/nix/profiles/system/sw/bin/nix-collect-garbage
# Reify resolv.conf
[[ -L /etc/resolv.conf ]] && mv -v /etc/resolv.conf /etc/resolv.conf.lnk && cat /etc/resolv.conf.lnk > /etc/resolv.conf
# Stage the Nix coup d'état
touch /etc/NIXOS
echo etc/nixos > /etc/NIXOS_LUSTRATE
echo etc/resolv.conf >> /etc/NIXOS_LUSTRATE
echo root/.nix-defexpr/channels >> /etc/NIXOS_LUSTRATE
rm -rf /boot.bak
mv -v /boot /boot.bak
/nix/var/nix/profiles/system/bin/switch-to-configuration boot
}
[ "$PROVIDER" = "digitalocean" ] && doNetConf=y # digitalocean requires detailed network config to be generated
apt update
apt install -y git whois
cat > /etc/resolv.conf << EOF
nameserver 1.1.1.1
nameserver 1.0.0.1
EOF
prepareEnv
makeSwap # smallest (512MB) droplet needs extra memory!
checkEnv
makeConf
infect
removeSwap
if [[ -z "$NO_REBOOT" ]]; then
reboot
fi