haccfiles/hosts/hainich/k8s.nix
hexchen 851052014a complete restructure of haccfiles
here be winkekatzen
2021-01-10 23:53:41 +00:00

125 lines
3.9 KiB
Nix

{ config, pkgs, ... }:
{
services.etcd = {
advertiseClientUrls = [
"https://[2a0d:eb04:8:10::1]:2379"
];
listenClientUrls = [
"https://[2a0d:eb04:8:10::1]:2379"
];
listenPeerUrls = [
"https://[::1]:2380"
];
};
services.kubernetes = {
roles = [ "master" "node" ];
flannel.enable = false;
addons.dns = {
enable = true;
clusterIp = "2a0d:eb04:8:11::53";
reconcileMode = "EnsureExists";
};
pki.cfsslAPIExtraSANs = [ "hainich.hacc.space" ];
apiserver = {
advertiseAddress = "2a0d:eb04:8:10::1";
extraSANs = [
"2a0d:eb04:8:10::1" "2a0d:eb04:8:11::1" "hainich.hacc.space"
];
bindAddress = "::";
insecureBindAddress = "::1";
etcd = {
servers = [ "https://[2a0d:eb04:8:10::1]:2379" ];
};
serviceClusterIpRange = "2a0d:eb04:8:11::/120";
extraOpts = "--allow-privileged=true";
};
controllerManager = {
bindAddress = "::";
clusterCidr = "2a0d:eb04:8:12::/64";
};
kubelet = {
address = "::";
clusterDns = "2a0d:eb04:8:11::53";
};
proxy = {
bindAddress = "::";
};
scheduler = {
address = "::1" ;
};
apiserverAddress = "https://[2a0d:eb04:8:10::1]:6443";
clusterCidr = "2a0d:eb04:8:12::/64";
easyCerts = true;
masterAddress = "hainich.hacc.space";
};
networking.firewall = {
allowedTCPPorts = [ 80 443 6443 ];
trustedInterfaces = [
"cbr0" "tunnat64"
];
extraCommands = ''
iptables -t nat -A POSTROUTING -o enp6s0 -j SNAT --to 46.4.63.158
iptables -A FORWARD -i tunnat64 -j ACCEPT
iptables -t nat -A PREROUTING -p tcp -d 46.4.63.158 --dport 80 -j DNAT --to-destination 10.255.255.2:80
iptables -t nat -A PREROUTING -p tcp -d 46.4.63.158 --dport 443 -j DNAT --to-destination 10.255.255.2:443
iptables -t nat -A PREROUTING -p tcp -d 46.4.63.158 --dport 6443 -j DNAT --to-destination 10.255.255.1:443
ip6tables -A FORWARD -i tunnat64 -j ACCEPT
ip6tables -A INPUT -i tunnat64 -j ACCEPT
'';
extraStopCommands = ''
iptables -t nat -D POSTROUTING -o enp6s0 -j SNAT --to 46.4.63.158
iptables -D FORWARD -i tunnat64 -j ACCEPT
iptables -t nat -D PREROUTING -p tcp -d 46.4.63.158 --dport 80 -j DNAT --to-destination 10.255.255.2:80
iptables -t nat -D PREROUTING -p tcp -d 46.4.63.158 --dport 443 -j DNAT --to-destination 10.255.255.2:443
iptables -t nat -D PREROUTING -p tcp -d 46.4.63.158 --dport 6443 -j DNAT --to-destination 10.255.255.1:443
ip6tables -A FORWARD -i tunnat64 -j ACCEPT
ip6tables -A INPUT -i tunnat64 -j ACCEPT
'';
};
systemd.services.tayga = (let
config = pkgs.writeText "tayga.conf" ''
tun-device tunnat64
ipv4-addr 10.255.255.254
prefix 2a0d:eb04:8:10:64::/96
dynamic-pool 10.255.255.0/24
map 10.255.255.1 2a0d:eb04:8:10::1
map 10.255.255.2 2a0d:eb04:8:11::2
strict-frag-hdr 1
'';
startScript = pkgs.writeScriptBin "tayga-start" ''
#! ${pkgs.runtimeShell} -e
${pkgs.iproute}/bin/ip link set up tunnat64 || true
${pkgs.iproute}/bin/ip route add 10.255.255.0/24 dev tunnat64 || true
${pkgs.iproute}/bin/ip -6 route add 2a0d:eb04:8:10:64::/96 dev tunnat64 || true
${pkgs.tayga}/bin/tayga -d --config ${config}
'';
in {
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
ExecStart = ''${startScript}/bin/tayga-start'';
};
});
networking.interfaces.cbr0.ipv6.routes = [{
address = "2a0d:eb04:8:10::";
prefixLength = 60;
}];
networking.interfaces.tunnat64 = {
virtual = true;
};
# openebs expects some stuff to be there.
system.activationScripts.openebs = ''
mkdir -p /usr/lib /usr/sbin
ln -sf ${pkgs.zfs.lib}/lib/* /usr/lib/
ln -sf ${pkgs.zfs}/bin/zfs /usr/sbin/
'';
}