selfprivacy-nixos-infect/nixos-infect

950 lines
24 KiB
Plaintext
Raw Normal View History

2020-12-07 09:09:48 +00:00
#! /usr/bin/env bash
# More info at: https://github.com/elitak/nixos-infect
set -e -o pipefail
makeConf() {
# Skip everything if main config already present
[[ -e /etc/nixos/configuration.nix ]] && return 0
# NB <<"EOF" quotes / $ ` in heredocs, <<EOF does not
2020-12-23 14:48:11 +00:00
mkdir /etc/nixos
2020-12-21 13:18:22 +00:00
mkdir -p /etc/nixos/mailserver/system
2020-12-23 15:52:14 +00:00
mkdir /etc/nixos/mailserver/userdata
2021-01-05 13:21:01 +00:00
mkdir /etc/nixos/api
2020-12-23 14:48:11 +00:00
mkdir /etc/nixos/letsencrypt
2020-12-21 13:18:22 +00:00
mkdir /etc/nixos/backup
2020-12-23 14:15:56 +00:00
mkdir /etc/nixos/passmgr
2020-12-21 13:18:22 +00:00
mkdir /etc/nixos/nginx
mkdir /etc/nixos/git
2020-12-23 14:15:56 +00:00
mkdir /etc/nixos/nextcloud
2020-12-23 15:52:14 +00:00
mkdir /etc/nixos/resources
mkdir /etc/nixos/videomeet
2021-01-25 12:54:54 +00:00
mkdir /etc/nixos/vpn
2020-12-21 13:18:22 +00:00
2020-12-07 09:09:48 +00:00
# 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
2020-12-23 16:02:06 +00:00
{ pkgs, lib, ... }:
{
2020-12-07 09:09:48 +00:00
imports = [
./hardware-configuration.nix
$network_import
$NIXOS_IMPORT
2020-12-23 15:52:14 +00:00
./files.nix
2020-12-23 14:15:56 +00:00
./mailserver/system/mailserver.nix
2021-01-25 12:54:54 +00:00
./vpn/ocserv.nix
2021-01-05 13:21:01 +00:00
./api/api.nix
2021-01-05 13:42:29 +00:00
./api/api-service.nix
2020-12-23 14:15:56 +00:00
./letsencrypt/acme.nix
./backup/restic.nix
./passmgr/bitwarden.nix
./nginx/nginx.nix
./nextcloud/nextcloud.nix
2020-12-23 15:52:14 +00:00
./resources/limits.nix
./videomeet/jitsi.nix
2020-12-23 14:15:56 +00:00
./git/gitea.nix
2020-12-07 09:09:48 +00:00
];
boot.cleanTmpDir = true;
2020-12-23 15:52:14 +00:00
networking = {
hostName = "$(hostname)";
firewall = {
2021-01-25 12:54:54 +00:00
allowedTCPPorts = lib.mkForce [ 22 25 80 143 443 587 8443 ];
2021-01-28 01:54:53 +00:00
allowedUDPPorts = lib.mkForce [ 8443 ];
2020-12-23 15:52:14 +00:00
};
};
time.timeZone = "Europe/Uzhgorod";
i18n.defaultLocale = "en_GB.UTF-8";
2020-12-07 09:09:48 +00:00
users.users.root.openssh.authorizedKeys.keys = [$(while read -r line; do echo -n "
\"$line\" "; done <<< "$keys")
];
2020-12-23 15:52:14 +00:00
services.openssh = {
enable = true;
passwordAuthentication = true;
permitRootLogin = "yes";
openFirewall = false;
};
programs.ssh = {
pubkeyAcceptedKeyTypes = [ "ssh-ed25519" ];
hostKeyAlgorithms = [ "ssh-ed25519" ];
};
environment.systemPackages = with pkgs; [
letsencrypt
mkpasswd
git
wget
curl
restic
pwgen
tmux
sudo
python3
] ++ (with python38Packages; [
pip
flask
pandas
]);
environment.variables = {
DOMAIN = "$DOMAIN";
AWS_ACCESS_KEY_ID = "$AWS_ACCESS_KEY_ID";
AWS_SECRET_ACCESS_KEY = "$AWS_SECRET_ACCESS_KEY";
};
system.autoUpgrade.enable = true;
system.autoUpgrade.allowReboot = false;
system.autoUpgrade.channel = https://nixos.org/channels/nixos-20.09-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;
wheelNeedsPassword = true;
};
};
2021-01-28 09:32:19 +00:00
users.mutableUsers = false;
users.users = {
"$USER" = {
isNormalUser = true;
hashedPassword = "$HASHED_PASSWORD";
};
};
2020-12-07 09:09:48 +00:00
}
EOF
# If you rerun this later, be sure to prune the filesSystems attr
2020-12-23 15:52:14 +00:00
cat > /etc/nixos/hardware-configuration.nix << EOF
2020-12-07 09:09:48 +00:00
{ ... }:
{
imports = [ <nixpkgs/nixos/modules/profiles/qemu-guest.nix> ];
boot.loader.grub.device = "$grubdev";
fileSystems."/" = { device = "$rootfsdev"; fsType = "ext4"; };
}
2020-12-23 15:52:14 +00:00
EOF
cat > /etc/nixos/files.nix << EOF
{ pkgs, ... }:
{
systemd.tmpfiles.rules =
let
2020-12-23 17:10:24 +00:00
nextcloudDBPass = builtins.replaceStrings [ "\n" "\"" "\\\" ] [ "\\\n" "\\\\\"" "\\\\\\\\" ] ''
2020-12-30 10:15:06 +00:00
$PASSWORD
2020-12-23 15:52:14 +00:00
'';
2020-12-23 17:10:24 +00:00
nextcloudAdminPass = builtins.replaceStrings [ "\n" "\"" "\\\" ] [ "\\\n" "\\\\\"" "\\\\\\\\" ] ''
2020-12-30 10:15:06 +00:00
$PASSWORD
2020-12-23 15:52:14 +00:00
'';
2020-12-23 17:10:24 +00:00
resticPass = builtins.replaceStrings [ "\n" "\"" "\\\" ] [ "\\\n" "\\\\\"" "\\\\\\\\" ] ''
2020-12-30 10:15:06 +00:00
$PASSWORD
2020-12-23 15:52:14 +00:00
'';
2021-01-05 13:35:38 +00:00
shadowsocksPass = builtins.replaceStrings [ "\n" "\"" "\\\" ] [ "\\\n" "\\\\\"" "\\\\\\\\" ] ''
$PASSWORD
'';
2021-01-05 13:21:01 +00:00
domain = builtins.replaceStrings [ "\n" "\"" "\\\" ] [ "\\\n" "\\\\\"" "\\\\\\\\" ] ''
$DOMAIN
'';
2020-12-23 15:52:14 +00:00
in
[
"d /var/restic 0660 restic - - -"
2020-12-23 17:10:24 +00:00
"d /var/bitwarden 0777 bitwarden_rs bitwarden_rs -"
"d /var/bitwarden/backup 0777 bitwarden_rs bitwarden_rs -"
2021-01-05 13:21:01 +00:00
"f /var/domain 0444 selfprivacy-api selfprivacy-api - \${domain}"
2020-12-23 17:10:24 +00:00
"f /var/restic/restic-repo-password 0660 restic - - \${resticPass}"
"f /var/nextcloud-db-pass 0440 nextcloud nextcloud - \${nextcloudDBPass}"
"f /var/nextcloud-admin-pass 0440 nextcloud nextcloud - \${nextcloudAdminPass}"
2021-01-05 13:35:38 +00:00
"f /var/shadowsocks-password 0440 nobody nobody - \${shadowsocksPass}"
2020-12-23 15:52:14 +00:00
];
}
EOF
2020-12-21 13:18:22 +00:00
cat > /etc/nixos/mailserver/system/mailserver.nix << EOF
{ config, pkgs, lib, ... }:
{
imports = [
(builtins.fetchTarball {
# Pick a commit from the branch you are interested in
url = "https://gitlab.com/simple-nixos-mailserver/nixos-mailserver/-/archive/99f843de/nixos-mailserver-99f843de.tar.gz";
# And set its hash
sha256 = "1af7phs8a2j26ywsm5mfhzvqmy0wdsph7ajs9s65c4r1bfq646fw";
})
];
services.dovecot2 = {
enablePAM = lib.mkForce true;
showPAMFailure = lib.mkForce true;
};
mailserver = {
enable = true;
2021-01-20 11:36:48 +00:00
fqdn = "$DOMAIN";
domains = [ "$DOMAIN" ];
# A list of all login accounts. To create the password hashes, use
# mkpasswd -m sha-512 "super secret password"
loginAccounts = {
"$USER@$DOMAIN" = {
2020-12-30 10:15:06 +00:00
hashedPassword = "$HASHED_PASSWORD";
#aliases = [
# "mail@example.com"
#];
# Make this user the catchAll address for domains blah.com and
# example2.com
catchAll = [
"$DOMAIN"
];
sieveScript = ''
require ["fileinto", "mailbox"];
if header :contains "Chat-Version" "1.0"
{
fileinto :create "DeltaChat";
stop;
}
'';
};
};
# Extra virtual aliases. These are email addresses that are forwarded to
# loginAccounts addresses.
extraVirtualAliases = {
# address = forward address;
"admin@$DOMAIN" = "$USER@$DOMAIN";
};
# Use Let's Encrypt certificates. Note that this needs to set up a stripped
# down nginx and opens port 80.
certificateScheme = 3;
# Enable IMAP and POP3
enableImap = true;
enableImapSsl = true;
enablePop3 = false;
enablePop3Ssl = false;
dkimSelector = "selector";
# Enable the ManageSieve protocol
enableManageSieve = true;
virusScanning = false;
};
}
EOF
2020-12-21 13:18:22 +00:00
cat > /etc/nixos/letsencrypt/acme.nix << EOF
{ pkgs, ... }:
{
users.groups.acmerecievers = {
2021-01-05 13:21:01 +00:00
members = [ "nginx" "dovecot2" "postfix" "virtualMail" "bitwarden_rs" "nextcloud" ];
};
security.acme = {
acceptTerms = true;
email = "$USER@$DOMAIN";
2020-12-21 10:55:36 +00:00
certs = {
"$DOMAIN" = {
group = "acmerecievers";
2021-01-20 11:21:59 +00:00
webroot = "/var/lib/acme/acme-challenge";
2020-12-21 10:55:36 +00:00
};
2021-01-25 12:54:54 +00:00
"vpn.$DOMAIN" = {
group = "acmerecievers";
webroot = "/var/lib/acme/acme-challenge";
};
2020-12-21 10:55:36 +00:00
"git.$DOMAIN" = {
group = "acmerecievers";
2021-01-20 11:21:59 +00:00
webroot = "/var/lib/acme/acme-challenge";
2020-12-21 10:55:36 +00:00
};
"cloud.$DOMAIN" = {
group = "acmerecievers";
2021-01-20 11:21:59 +00:00
webroot = "/var/lib/acme/acme-challenge";
2020-12-21 10:55:36 +00:00
};
"password.$DOMAIN" = {
group = "acmerecievers";
2021-01-20 11:21:59 +00:00
webroot = "/var/lib/acme/acme-challenge";
2020-12-21 10:55:36 +00:00
};
"api.$DOMAIN" = {
group = "acmerecievers";
2021-01-20 11:21:59 +00:00
webroot = "/var/lib/acme/acme-challenge";
2020-12-21 10:55:36 +00:00
};
"meet.$DOMAIN" = {
group = "acmerecievers";
2021-01-20 11:21:59 +00:00
webroot = "/var/lib/acme/acme-challenge";
};
};
};
}
EOF
2020-12-21 13:18:22 +00:00
cat > /etc/nixos/backup/restic.nix << EOF
{ pkgs, ... }:
{
services.restic.backups = {
options = {
passwordFile = "/etc/restic/resticPasswd";
2020-12-30 10:15:06 +00:00
repository = "s3:s3.anazonaws.com/$S3_BUCKET";
initialize = true;
paths = [
"/var/dkim"
"/var/vmail"
];
timerConfig = {
OnCalendar = [ "daily" ];
};
user = "restic";
pruneOpts = [
"--keep-daily 5"
];
};
};
users.users.restic = {
isNormalUser = false;
};
environment.etc."restic/resticPasswd".text = ''
2020-12-30 10:15:06 +00:00
$PASSWORD
'';
environment.etc."restic/s3Passwd".text = ''
AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID
AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY
'';
}
EOF
2020-12-21 13:18:22 +00:00
cat > /etc/nixos/passmgr/bitwarden.nix << EOF
{ pkgs, ... }:
{
services.bitwarden_rs = {
enable = true;
dbBackend = "sqlite";
backupDir = "/var/bitwarden/backup";
config = {
domain = "https://password.$DOMAIN/";
signupsAllowed = true;
rocketPort = 8222;
};
};
}
EOF
2020-12-21 13:18:22 +00:00
cat > /etc/nixos/nginx/nginx.nix << EOF
{ pkgs, ... }:
{
services.nginx = {
enable = true;
recommendedGzipSettings = true;
recommendedOptimisation = true;
recommendedProxySettings = true;
recommendedTlsSettings = true;
virtualHosts = {
"$DOMAIN" = {
enableACME = true;
forceSSL = true;
};
2021-01-25 12:54:54 +00:00
"vpn.$DOMAIN" = {
enableACME = true;
forceSSL = true;
};
"git.$DOMAIN" = {
enableACME = true;
forceSSL = true;
locations = {
"/" = {
proxyPass = "http://127.0.0.1:3000";
extraConfig = ''
proxy_headers_hash_max_size 512;
proxy_headers_hash_bucket_size 128;
'';
};
};
};
"cloud.$DOMAIN" = {
enableACME = true;
forceSSL = true;
locations = {
"/" = {
proxyPass = "http://127.0.0.1:80/";
extraConfig = ''
proxy_headers_hash_max_size 512;
proxy_headers_hash_bucket_size 128;
'';
};
};
};
"password.$DOMAIN" = {
enableACME = true;
forceSSL = true;
locations = {
"/" = {
proxyPass = "http://127.0.0.1:8222";
extraConfig = ''
proxy_headers_hash_max_size 512;
proxy_headers_hash_bucket_size 128;
'';
};
};
};
"api.$DOMAIN" = {
enableACME = true;
forceSSL = true;
locations = {
"/" = {
2021-01-05 13:21:01 +00:00
proxyPass = "http://127.0.0.1:5050";
extraConfig = ''
proxy_headers_hash_max_size 512;
proxy_headers_hash_bucket_size 128;
'';
};
};
};
};
};
}
EOF
2020-12-23 15:52:14 +00:00
cat > /etc/nixos/nextcloud/nextcloud.nix << EOF
{ pkgs, ... }:
{
services.nextcloud = {
enable = true;
2020-12-23 14:35:08 +00:00
package = pkgs.nextcloud20;
hostName = "cloud.$DOMAIN";
# Use HTTPS for links
https = false;
# Auto-update Nextcloud Apps
autoUpdateApps.enable = true;
# Set what time makes sense for you
autoUpdateApps.startAt = "05:00:00";
config = {
# Further forces Nextcloud to use HTTPS
overwriteProtocol = "http";
# Nextcloud PostegreSQL database configuration, recommended over using SQLite
dbtype = "sqlite";
dbuser = "nextcloud";
dbhost = "/run/postgresql"; # nextcloud will add /.s.PGSQL.5432 by itself
dbname = "nextcloud";
dbpassFile = "/var/nextcloud-db-pass";
adminpassFile = "/var/nextcloud-admin-pass";
adminuser = "admin";
};
};
}
EOF
2020-12-21 13:18:22 +00:00
cat > /etc/nixos/git/gitea.nix << EOF
{ pkgs, ... }:
{
services = {
gitea = {
enable = true;
stateDir = "/var/lib/gitea";
log = {
rootPath = "/var/lib/gitea/log";
level = "Warn";
};
user = "gitea";
database = {
type = "sqlite3";
host = "127.0.0.1";
name = "gitea";
user = "gitea";
path = "/var/lib/gitea/data/gitea.db";
createDatabase = true;
};
ssh = {
enable = true;
clonePort = 22;
};
lfs = {
enable = true;
contentDir = "/var/lib/gitea/lfs";
};
appName = "SelfPrivacy git Service";
repositoryRoot = "/var/lib/gitea/repositories";
domain = "git.$DOMAIN";
rootUrl = "https://$DOMAIN/";
httpAddress = "0.0.0.0";
httpPort = 3000;
cookieSecure = true;
2020-12-21 10:55:36 +00:00
settings = {
mailer = {
ENABLED = false;
};
ui = {
DEFAULT_THEME = "arc-green";
};
picture = {
DISABLE_GRAVATAR = true;
};
admin = {
ENABLE_KANBAN_BOARD = true;
};
repository = {
FORCE_PRIVATE = false;
};
};
};
};
}
2020-12-23 15:52:14 +00:00
EOF
2020-12-23 15:59:29 +00:00
cat > /etc/nixos/resources/limits.nix << EOF
2020-12-23 15:52:14 +00:00
{ pkgs, ... }:
{
systemd.services = {
dovecot2 = {
serviceConfig = {
cpuAccounting = true;
cpuQuota = "20%";
memoryAccounting = true;
memoryMax = "256M";
startLimitIntervalSec = 500;
startLimitBurst = 5;
blockIOWeigth = 25;
};
};
postfix = {
serviceConfig = {
cpuAccounting = true;
cpuQuota = "20%";
memoryAccounting = true;
memoryMax = "256M";
startLimitIntervalSec = 500;
startLimitBurst = 5;
blockIOWeigth = 25;
};
};
ocserv = {
serviceConfig = {
cpuAccounting = true;
cpuQuota = "70%";
memoryAccounting = true;
memoryMax = "512M";
startLimitIntervalSec = 500;
startLimitBurst = 5;
};
};
nginx = {
serviceConfig = {
cpuAccounting = true;
cpuQuota = "70%";
memoryAccounting = true;
memoryMax = "768M";
startLimitIntervalSec = 500;
startLimitBurst = 5;
blockIOWeigth = 10;
};
};
};
}
EOF
2020-12-23 16:00:28 +00:00
cat > /etc/nixos/videomeet/jitsi.nix << EOF
2020-12-23 15:52:14 +00:00
{ pkgs, ... }:
{
services.jitsi-meet = {
enable = true;
hostName = "meet.$DOMAIN";
nginx.enable = true;
interfaceConfig = {
SHOW_JITSI_WATERMARK = false;
SHOW_WATERMARK_FOR_GUESTS = false;
};
};
}
2021-01-05 13:21:01 +00:00
EOF
cat > /etc/nixos/api/api.nix << EOF
{ pkgs, ... }:
{
services.selfprivacy-api = {
enable = true;
};
users.users."selfprivacy-api" = {
isNormalUser = false;
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 = "d7a6b3ca12d936165a4fc1c6265a2dfc3fd6229e";
};
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-service.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 = {
PYTHONUNBUFFERED = "1";
};
path = [ "/var/" "/var/dkim/" ];
after = [ "network-online.target" ];
wantedBy = [ "network-online.target" ];
serviceConfig = {
User = "root";
PrivateDevices = "true";
ProtectKernelTunables = "true";
ProtectKernelModules = "true";
LockPersonality = "true";
RestrictRealtime = "true";
SystemCallFilter = "@system-service @network-io @signal";
SystemCallErrorNumber = "EPERM";
ExecStart = "\${selfprivacy-api}/bin/main.py";
Restart = "always";
RestartSec = "5";
};
};
};
}
2021-01-05 13:35:38 +00:00
EOF
2021-01-25 12:54:54 +00:00
cat > /etc/nixos/vpn/ocserv.nix << EOF
2021-01-05 13:35:38 +00:00
{ pkgs, ...}:
{
2021-01-25 12:54:54 +00:00
users.groups.ocserv = {
members = [ "ocserv" ];
};
users.users.ocserv = {
isNormalUser = false;
extraGroups = [ "ocserv" "acmerecievers" ];
};
services.ocserv = {
enable = true;
config = ''
socket-file = /var/run/ocserv-socket
auth = "pam"
2021-01-28 01:54:53 +00:00
tcp-port = 8443
udp-port = 8443
2021-01-25 12:54:54 +00:00
server-cert = /var/lib/acme/vpn.$DOMAIN/fullchain.pem
server-key = /var/lib/acme/vpn.$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.$DOMAIN
device = vpn0
ipv4-network = 10.10.10.0
ipv4-netmask = 255.255.255.0
tunnel-all-dns = true
dns = 1.1.1.1
dns = 1.0.0.1
route = default
'';
2021-01-05 13:35:38 +00:00
};
}
2020-12-07 09:09:48 +00:00
EOF
2021-01-08 10:04:06 +00:00
[[ -n "$doNetConf" ]] && makeNetworkingConf || true
2020-12-07 09:09:48 +00:00
}
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
}
[ "$PROVIDER" = "digitalocean" ] && doNetConf=y # digitalocean requires detailed network config to be generated
2021-01-05 13:49:35 +00:00
apt update
2021-01-05 13:46:24 +00:00
apt install -y git
2020-12-07 09:09:48 +00:00
prepareEnv
makeSwap # smallest (512MB) droplet needs extra memory!
checkEnv
makeConf
infect
removeSwap
if [[ -z "$NO_REBOOT" ]]; then
reboot
fi