nix-conf/system/dev/dn-server/services.nix
2025-05-03 14:48:03 +08:00

452 lines
12 KiB
Nix

{
settings,
config,
pkgs,
lib,
...
}:
let
username = settings.personal.username;
ethInterface = "enp0s31f6";
sshPorts = [ 30072 ];
sshPortsString = builtins.concatStringsSep ", " (builtins.map (p: builtins.toString p) sshPorts);
getCleanAddress =
ip:
with builtins;
let
result = replaceStrings [ "/24" "/32" ] [ "" "" ] ip;
in
result;
getReverseFilename =
ip:
with builtins;
with lib.lists;
with lib.strings;
let
octets = take 3 (splitString "." (getCleanAddress ip));
reversedFilename = "db." + (concatStringsSep "." (reverseList octets));
in
reversedFilename;
getSubAddress =
ip:
with builtins;
with lib.lists;
with lib.strings;
let
octets = reverseList (splitString "." (getCleanAddress ip));
sub = head octets;
in
sub;
reverseIP =
ip:
with builtins;
with lib.lists;
with lib.strings;
let
octets = splitString "." (getCleanAddress ip);
reversedIP = (concatStringsSep "." (reverseList octets)) + ".in-addr.arpa";
in
reversedIP;
reverseZone =
ip:
with builtins;
with lib.lists;
with lib.strings;
let
octets = take 3 (splitString "." (getCleanAddress ip));
reversedZone = (concatStringsSep "." (reverseList octets)) + ".in-addr.arpa";
in
reversedZone;
personal = {
ip = "10.0.0.1/24";
interface = "wg0";
port = 51820;
domain = "net.dn";
range = "10.0.0.0/24";
full = "10.0.0.1/25";
restrict = "10.0.0.128/25";
};
kube = {
ip = "10.10.0.1/24";
range = "10.10.0.0/24";
interface = "wg1";
port = 51821;
masterIP = "10.10.0.1";
masterHostname = "api-kube.net.dn";
masterAPIServerPort = 6443;
};
allowedSSHIPs = builtins.concatStringsSep ", " [
"122.117.215.55"
"192.168.100.1/24"
personal.range
];
fullRoute = [
{
# Jonly
dns = "jonly";
publicKey = "GAayY6p8ST3I66kFSGY3seaHhfkrc6atcrFu2C9BDDs=";
allowedIPs = [ "10.0.0.5/32" ];
}
{
# YC
dns = "yc";
publicKey = "5LfmjAg07ixmBCcsEn319UHqMRO3AdusXsoibGUqfQE=";
allowedIPs = [ "10.0.0.7/32" ];
}
{
# Tommy
dns = "tommy";
publicKey = "AxujfkiHLj09LoAXZl7yUf3fzyjorKOg8CfcJJvr2HQ=";
allowedIPs = [ "10.0.0.8/32" ];
}
];
meshRoute = [
{
# pre7780.dn
dns = "pre7780";
publicKey = "WvvBRGbWUMUhSgodZNlhglacsWhMOTdHhJxcf81kTmQ=";
allowedIPs = [ "10.0.0.130/32" ];
}
{
# Skydrive
dns = "skydrive";
publicKey = "GceSQwI7XqYQw2oPmquuKdPqmt6KsYnoGuFoiaKRb0E=";
allowedIPs = [ "10.0.0.132/32" ];
}
{
# ken
dns = "ken";
publicKey = "iWjBGArok96mFzFHXYjTxwyRHGQ4U0V77txoi6WS2QU=";
allowedIPs = [ "10.0.0.134/32" ];
}
{
# lap.dn
dns = "lap";
publicKey = "Cm2AZU+zlv+ThMqah6WiLVxgPNvMHm9DEGd4PfywNWU=";
allowedIPs = [ "10.0.0.135/32" ];
}
{
# justin03
dns = "justin";
publicKey = "WOze/PPilBPqQudk1D4Se34zWV3UghKXWTG6M/f7bEM=";
allowedIPs = [ "10.0.0.136/32" ];
}
{
# ahhaha
dns = "ahhaha";
publicKey = "PGBqCPLxaFd/+KqwrjF6B6lqxvpPKos0sst5gk8p8Bo=";
allowedIPs = [ "10.0.0.137/32" ];
}
{
# oreo
dns = "oreo";
publicKey = "GXHRZ9DmVg7VtuJdvcHOGFCuFqH2Kd/c+3unrq7e5SE=";
allowedIPs = [ "10.0.0.139/32" ];
}
{
# phone.dn
dns = "phone";
publicKey = "XiR4NZLdHyOvzt+fdYoFDW2s/Su8nlz8UgrVPLISdBY=";
allowedIPs = [ "10.0.0.140/32" ];
}
{
# kavic
dns = "kavic";
publicKey = "VVzGcHjSo6QkvN6raS9g/NYLIrZ1xzxdnEronQaTIHs=";
allowedIPs = [ "10.0.0.141/32" ];
}
{
dns = "yc-mesh";
publicKey = "dKcEjRq9eYA8rXVfispNoKEbrs9R3ZIVlQi5AXfFch8=";
allowedIPs = [ "10.0.0.142/32" ];
}
{
dns = "jonly-mesh";
publicKey = "EyRL+iyKZJaqz9DXVsH2Ne/wVInx5hg9oQARrXP3/k0=";
allowedIPs = [ "10.0.0.143/32" ];
}
{
dns = "tommy-mesh";
publicKey = "oCRNCyg0bw6W6W87XQ4pIUW+WFi/bx9MG4cIwE23GxI=";
allowedIPs = [ "10.0.0.144/32" ];
}
{
dns = "rasp";
publicKey = "z+2d+4FhSClGlSiAtaGnTgU6utxElfdRqiwPpCJFRn8=";
allowedIPs = [ "10.0.0.145/32" ];
}
];
dnsRecords =
with builtins;
concatStringsSep "\n" (
map (
r:
let
ip = getCleanAddress (elemAt r.allowedIPs 0);
in
''
${r.dns} IN A ${ip}
''
) (fullRoute ++ meshRoute)
);
dnsReversedRecords =
with builtins;
concatStringsSep "\n" (
map (
r:
let
reversed = getSubAddress (getCleanAddress (elemAt r.allowedIPs 0));
in
''
${reversed} IN PTR ${r.dns}.${personal.domain}.
''
) (fullRoute ++ meshRoute)
);
in
{
networking = {
nat = {
enable = true;
enableIPv6 = true;
externalInterface = ethInterface;
internalInterfaces = [
personal.interface
kube.interface
];
};
firewall = {
allowedUDPPorts = [
53
personal.port
kube.port
25565
kube.masterAPIServerPort
];
allowedTCPPorts = sshPorts ++ [
53
25565
kube.masterAPIServerPort
];
};
nftables = {
enable = true;
ruleset = ''
table inet wg-filter {
chain input {
type filter hook input priority 0; policy drop;
iif lo accept
meta nftrace set 1
meta l4proto { icmp, ipv6-icmp } accept
ct state vmap { invalid : drop, established : accept, related : accept }
udp dport 53 accept
tcp dport 53 accept
tcp dport { ${sshPortsString} } jump ssh-filter
iifname { ${ethInterface}, ${personal.interface}, ${kube.interface} } udp dport { ${builtins.toString personal.port}, ${builtins.toString kube.port} } accept
iifname ${personal.interface} ip saddr ${personal.ip} jump wg-subnet
iifname ${kube.interface} ip saddr ${kube.ip} jump kube-filter
counter reject
}
chain ssh-filter {
ip saddr { ${allowedSSHIPs} } accept
counter reject
}
chain forward {
type filter hook forward priority 0; policy drop;
meta l4proto { icmp, ipv6-icmp } accept
iifname ${personal.interface} ip saddr ${personal.ip} jump wg-subnet
iifname ${kube.interface} ip saddr ${kube.ip} jump kube-filter
counter
}
chain kube-filter {
ip saddr ${kube.ip} ip daddr ${kube.ip} accept
counter drop
}
chain wg-subnet {
ip saddr ${personal.full} accept
ip saddr ${personal.restrict} ip daddr ${personal.range} accept
counter drop
}
chain postrouting {
type nat hook postrouting priority 100; policy accept;
oifname ${ethInterface} masquerade
}
}
'';
};
wireguard = {
enable = true;
interfaces = {
${personal.interface} = {
ips = [ personal.ip ];
listenPort = personal.port;
privateKeyFile = config.sops.secrets."wireguard/privateKey".path;
peers = builtins.map (r: {
publicKey = r.publicKey;
allowedIPs = r.allowedIPs;
}) (fullRoute ++ meshRoute);
};
${kube.interface} = {
ips = [ kube.ip ];
listenPort = kube.port;
privateKeyFile = config.sops.secrets."wireguard/privateKey".path;
peers = [ ];
};
};
};
extraHosts = "${kube.masterIP} ${kube.masterHostname}";
};
services = {
dbus.enable = true;
blueman.enable = true;
openssh = {
enable = true;
ports = sshPorts;
settings = {
PasswordAuthentication = false;
UseDns = false;
PermitRootLogin = "yes";
};
};
bind = {
enable = true;
forwarders = [
"8.8.8.8"
"8.8.4.4"
];
cacheNetworks = [
"127.0.0.0/24"
"::1/128"
personal.range
kube.range
];
zones = {
"${personal.domain}" = {
master = true;
allowQuery = [
"127.0.0.0/24"
"::1/128"
personal.range
kube.range
];
file =
let
serverIP = getCleanAddress personal.ip;
kubeIP = getCleanAddress kube.ip;
origin = "${personal.domain}.";
in
pkgs.writeText "db.${personal.domain}" ''
$ORIGIN ${origin}
$TTL 1h
@ IN SOA dns.${origin} admin.dns.${origin} (
1 ; Serial
3h ; Refresh
1h ; Retry
1w ; Expire
1h) ; Negative Cache TTL
IN NS dns.${origin}
@ IN A ${serverIP}
IN AAAA fe80::3319:e2bb:fc15:c9df
IN MX 10 mail.${origin}
IN TXT "v=spf1 mx"
dns IN A ${serverIP}
nextcloud IN A ${serverIP}
ca IN A ${serverIP}
server IN A ${serverIP}
mail IN A ${serverIP}
api-kube IN A ${kubeIP}
${dnsRecords}
'';
};
"${reverseZone personal.ip}" = {
master = true;
allowQuery = [
"127.0.0.0/24"
"::1/128"
personal.range
kube.range
];
file =
let
serverIP = getSubAddress personal.ip;
mailIP = getSubAddress personal.ip;
in
pkgs.writeText "${getReverseFilename personal.ip}" ''
$TTL 86400
@ IN SOA dns.${personal.domain}. admin.dns.${personal.domain}. (
1 ; Serial
3h ; Refresh
1h ; Retry
1w ; Expire
1h) ; Negative Cache TTL
IN NS dns.${personal.domain}.
${serverIP} IN PTR dns.${personal.domain}.
${serverIP} IN PTR server.${personal.domain}.
${serverIP} IN PTR nextcloud.${personal.domain}.
${serverIP} IN PTR ca.${personal.domain}.
${mailIP} IN PTR mail.${personal.domain}.
${dnsReversedRecords}
'';
};
};
};
xserver = {
enable = false;
xkb.layout = "us";
};
};
users.users = {
root.openssh.authorizedKeys.keys = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJSAOufpee7f8D8ONIIGU3qsN+8+DGO7BfZnEOTYqtQ5 danny@pre7780.dn"
];
"${username}".openssh.authorizedKeys.keys = [
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJSAOufpee7f8D8ONIIGU3qsN+8+DGO7BfZnEOTYqtQ5 danny@pre7780.dn"
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJFQA42R3fZmjb9QnUgzzOTIXQBC+D2ravE/ZLvdjoOQ danny@lap.dn"
"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILSHkPa6vmr5WBPXAazY16+Ph1Mqv9E24uLIf32oC2oH danny@phone.dn"
];
};
nix.settings.trusted-users = [
username
];
}