depot/ops/nixos/kusakabe/default.nix
Luke Granger-Brown 0372f4b848 ops/nixos: set isNormalUser for all existing users
Now there's an assertion which requires either isNormalUser or isSystemUser, so
we set one of them for all the users we have already.
2021-04-17 20:16:27 +01:00

363 lines
9.7 KiB
Nix

# SPDX-FileCopyrightText: 2020 Luke Granger-Brown <depot@lukegb.com>
#
# SPDX-License-Identifier: Apache-2.0
{ depot, lib, pkgs, rebuilder, config, ... }:
let
inherit (depot.ops) secrets;
machineSecrets = secrets.machineSpecific.kusakabe;
in {
imports = [
../lib/zfs.nix
];
boot.initrd.availableKernelModules = [
"ahci"
"xhci_pci"
"ehci_pci"
"usbhid"
"sd_mod"
];
boot.kernelModules = [ "kvm-intel" ];
nix.maxJobs = lib.mkDefault 8;
powerManagement.cpuFreqGovernor = lib.mkDefault "performance";
fileSystems = let
zfs = device: {
device = device;
fsType = "zfs";
};
in {
"/" = zfs "tank/local/root";
"/nix" = zfs "tank/local/nix";
"/home" = zfs "tank/safe/home";
"/store" = zfs "tank/local/store";
"/persist" = zfs "tank/safe/persist";
"/boot" = {
device = "/dev/disk/by-label/EFIBOOT";
fsType = "vfat";
};
};
# Use systemd-boot.
boot.loader.systemd-boot.enable = true;
boot.loader.efi.canTouchEfiVariables = true;
# Networking!
networking = {
hostName = "kusakabe";
domain = "lukegb.com";
hostId = "c6054536";
nameservers = [
"2001:4860:4860::8888"
"2001:4860:4860::8844"
"8.8.8.8"
"8.8.4.4"
];
useDHCP = false;
defaultGateway = {
address = "188.165.197.254";
interface = "eno1";
};
defaultGateway6 = {
address = "2001:41d0:2:8eff:ff:ff:ff:ff";
interface = "eno1";
};
interfaces.eno1 = {
ipv4.addresses = [{ address = "188.165.197.49"; prefixLength = 24; }];
ipv6.addresses = [{ address = "2001:41d0:2:8e31::1"; prefixLength = 128; }];
proxyARP = true;
};
interfaces.br-ext = {
useDHCP = false;
ipv4.addresses = [{ address = "137.74.77.17"; prefixLength = 28; }];
ipv6.addresses = [{ address = "2001:41d0:2:8e31::2"; prefixLength = 64; }];
proxyARP = true;
};
bridges.br-ext.interfaces = [];
firewall = {
interfaces.br-ext.allowedUDPPorts = [
# DHCP
67 68
# TFTP
69
# NFS
111 2049
];
interfaces.br-ext.allowedTCPPorts = [
# NFS
111 2049
# k8s
80 443 6443 22623
# PostgreSQL
5432
# XMPP
5222 5223 5269 5347 5280 5281
# TURN
3478
];
allowedUDPPorts = [
# IPFS
4001
];
allowedTCPPorts = [
80 443 6443
5222 5223 5269 5280 5281
3478
# IPFS
4001
# rsyncd
873
];
};
};
my.ip.tailscale = "100.101.38.52";
boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
boot.kernel.sysctl."net.ipv6.conf.all.forwarding" = 1;
boot.kernel.sysctl."net.ipv6.conf.br-ext.proxy_ndp" = 1;
boot.kernel.sysctl."net.ipv6.conf.eno1.proxy_ndp" = 1;
services.dhcpd4 = {
enable = true;
interfaces = ["br-ext"];
authoritative = true;
extraConfig = ''
option arch code 93 = unsigned integer 16;
subnet 137.74.77.16 netmask 255.255.255.240 {
option subnet-mask 255.255.255.240;
option routers 137.74.77.17;
option domain-name-servers 8.8.8.8, 8.8.4.4;
option domain-name "kusakabe.lukegb.tech";
deny unknown-clients;
class "pxeclients" {
match if substring (option vendor-class-identifier, 0, 9) = "PXEClient";
next-server 137.74.77.17;
}
class "httpclients" {
match if substring (option vendor-class-identifier, 0, 10) = "HTTPClient";
option vendor-class-identifier "HTTPClient";
}
if exists user-class and option user-class = "iPXE" {
filename "http://fed.lukegb.tech/ipxe.ipxe";
} else if option arch = 00:07 {
# x86-64 UEFI
filename "netboot.xyz-snponly.efi";
} else {
# Legacy PXE
filename "netboot.xyz-undionly.kpxe";
}
}
'';
machines = [{
hostName = "fed";
ethernetAddress = "02:00:00:d1:92:7a";
ipAddress = "137.74.77.18";
} {
hostName = "okdboot";
ethernetAddress = "52:54:00:52:40:96";
ipAddress = "137.74.77.20";
} {
hostName = "okd1";
ethernetAddress = "52:54:00:be:f4:2f";
ipAddress = "137.74.77.21";
} {
hostName = "okd2";
ethernetAddress = "52:54:00:92:86:09";
ipAddress = "137.74.77.22";
} {
hostName = "okd3";
ethernetAddress = "52:54:00:64:3d:3b";
ipAddress = "137.74.77.23";
}];
};
services.radvd = {
enable = true;
config = ''
interface br-ext {
AdvSendAdvert on;
prefix 2001:41d0:2:8e31::/64 { };
RDNSS 2001:4860:4860::8888 2001:4860:4860::8844 { };
};
'';
};
services.ndppd = {
enable = true;
proxies.eno1.rules."2001:41d0:2:8e31::/64" = {
method = "static";
};
};
services.atftpd = {
enable = true;
extraOptions = [
"--bind-address=137.74.77.17"
];
};
# NFS
services.nfs.server = {
enable = true;
exports = ''
/export 137.74.77.16/28(rw,sync,nohide,no_subtree_check,no_root_squash,wdelay,fsid=0,insecure,crossmnt)
/export/openshift 137.74.77.16/28(rw,sync,nohide,no_subtree_check,no_root_squash,no_wdelay,insecure,crossmnt)
'';
};
# LB
services.haproxy = {
enable = true;
config = (let
backends = { okd1 = "137.74.77.21"; okd2 = "137.74.77.22"; okd3 = "137.74.77.23"; };
services = {
k8sapi = { port = 6443; backendPort = 6443; sendProxy = false; backends = backends; };
machineconfig = { port = 22623; backendPort = 22623; sendProxy = false; backends = backends; };
https = { port = 443; backendPort = 443; sendProxy = true; backends = backends; };
http = { port = 80; backendPort = 80; sendProxy = true; backends = backends; };
xmpp-c2s = { port = 5222; backendPort = 32732; sendProxy = false; backends = backends; };
xmpp-c2s-legacyssl = { port = 5223; backendPort = 31778; sendProxy = false; backends = backends; };
xmpp-s2s = { port = 5269; backendPort = 32131; sendProxy = false; backends = backends; };
xmpp-extcomp = { port = 5347; backendPort = 31856; sendProxy = false; backends = backends; };
xmpp-http = { port = 5280; backendPort = 30389; sendProxy = false; backends = backends; };
xmpp-https = { port = 5281; backendPort = 30952; sendProxy = false; backends = backends; };
};
backendToLine = backendPort: suffix: backendName: backendAddr: "server ${backendName} ${backendAddr}:${toString backendPort} ${suffix}";
backendsToLine = backendPort: suffix: backends: lib.mapAttrsToList (backendToLine backendPort suffix) backends;
serviceToFragment = serviceName: service: ''
frontend ${serviceName}
bind 137.74.77.17:${toString service.port}
default_backend ${serviceName}-backend
backend ${serviceName}-backend
balance roundrobin
${lib.concatStringsSep "\n " (backendsToLine service.backendPort "check ${if (service.sendProxy && false) then "send-proxy-v2" else ""}" service.backends)}
'';
in ''
global
maxconn 50000
nbthread 4
defaults
log global
mode tcp
option tcplog
maxconn 3000
timeout connect 10s
timeout client 1m
timeout server 1m
timeout tunnel 24h
timeout client-fin 30s
${lib.concatStringsSep "\n\n" (lib.mapAttrsToList serviceToFragment services)}
'');
};
virtualisation.libvirtd = {
enable = true;
qemuRunAsRoot = false;
allowedBridges = [ "br-ext" ];
};
users.users.lukegb.extraGroups = lib.mkAfter [ "libvirtd" ];
services.postgresql = {
enable = true;
authentication = ''
host all all 137.74.77.21/32 md5
host all all 137.74.77.22/32 md5
host all all 137.74.77.23/32 md5
'';
ensureDatabases = [
"twitterchiver"
];
ensureUsers = [{
name = "twitterchiver";
ensurePermissions = { "DATABASE twitterchiver" = "ALL PRIVILEGES"; };
}];
enableTCPIP = true;
};
services.postgresqlBackup.enable = true;
services.coturn = {
enable = true;
use-auth-secret = true;
realm = "turn.lukegb.com";
static-auth-secret = machineSecrets.turnSecret;
};
services.ipfs = {
enable = true;
extraConfig = {
Discovery.MDNS.Enabled = false;
Swarm.DisableNatPortMap = true;
Experimental.FilestoreEnabled = true;
Addresses = {
Swarm = [
"/ip4/188.165.197.49/tcp/4001"
"/ip6/2001:41d0:2:8e31::1/tcp/4001"
"/ip4/188.165.197.49/udp/4001/quic"
"/ip6/2001:41d0:2:8e31::1/udp/4001/quic"
];
};
};
dataDir = "/store/ipfs";
};
services.rsyncd = {
enable = true;
settings = {
global = {
"use chroot" = false;
"lock file" = "/run/rsync/rsyncd.lock";
"max connections" = 4;
};
winworldpc = {
path = "/store/winworldpc";
comment = "WinWorldPC archive";
"read only" = true;
exclude = "/_data /_data/**";
};
};
};
users.users.rsync = {
isNormalUser = true;
group = "nogroup";
};
systemd.services.rsyncd = {
confinement.enable = true;
serviceConfig = {
User = "rsync";
AmbientCapabilities = "CAP_NET_BIND_SERVICE";
PrivateUsers = false;
ProtectHostname = true;
ProtectClock = true;
RestrictAddressFamilies = "AF_INET AF_INET6";
RestrictNamespaces = true;
LockPersonality = true;
NoNewPrivileges = true;
MemoryDenyWriteExecute = true;
RuntimeDirectory = "rsync";
BindReadOnlyPaths = [
"/store/winworldpc"
];
BindPaths = [
"/dev/log"
];
};
};
system.stateVersion = "20.03";
}