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feat: add static microvm networking; allow cidrv4 and cidrv6 to be

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specified explicitly on wireguard networks to allow for
  simple access by other modules.
This commit is contained in:
oddlama 2023-05-20 00:55:48 +02:00
parent 78cdcd3c69
commit 6d8f8ab2e3
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GPG key ID: 14EFE510775FE39A
4 changed files with 168 additions and 131 deletions
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24
hosts/ward/net.nix
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@ -6,8 +6,8 @@
}: let
inherit (config.lib.net) ip cidr;
net.lan.ipv4cidr = "192.168.100.1/24";
net.lan.ipv6cidr = "fd00::1/64";
lanCidrv4 = "192.168.100.0/24";
lanCidrv6 = "fd00::/64";
in {
networking.hostId = nodeSecrets.networking.hostId;
@ -55,7 +55,10 @@ in {
linkConfig.RequiredForOnline = "routable";
};
"20-lan-self" = {
address = [net.lan.ipv4cidr net.lan.ipv6cidr];
address = [
(cidr.hostCidr 1 lanCidrv4)
(cidr.hostCidr 1 lanCidrv6)
];
matchConfig.Name = "lan-self";
networkConfig = {
IPForward = "yes";
@ -64,7 +67,7 @@ in {
};
# Announce a static prefix
ipv6Prefixes = [
{ipv6PrefixConfig.Prefix = cidr.canonicalize net.lan.ipv6cidr;}
{ipv6PrefixConfig.Prefix = lanCidrv6;}
];
# Delegate prefix from wan
#dhcpPrefixDelegationConfig = {
@ -76,7 +79,7 @@ in {
ipv6SendRAConfig = {
EmitDNS = true;
# TODO change to self later
#DNS = cidr.ip net.lan.ipv6cidr;
#DNS = cidr.host 1 net.lan.ipv6cidr;
DNS = ["2606:4700:4700::1111" "2001:4860:4860::8888"];
};
linkConfig.RequiredForOnline = "routable";
@ -160,14 +163,14 @@ in {
subnet4 = [
{
interface = "lan-self";
subnet = cidr.canonicalize net.lan.ipv4cidr;
subnet = lanCidrv4;
pools = [
{pool = "${cidr.host 20 net.lan.ipv4cidr} - ${cidr.host (-6) net.lan.ipv4cidr}";}
{pool = "${cidr.host 20 lanCidrv4} - ${cidr.host (-6) lanCidrv4}";}
];
option-data = [
{
name = "routers";
data = cidr.ip net.lan.ipv4cidr;
data = cidr.host 1 lanCidrv4;
}
];
}
@ -180,7 +183,10 @@ in {
extra.microvms.networking = {
baseMac = nodeSecrets.networking.interfaces.lan.mac;
host = cidr.ip net.lan.ipv4cidr;
macvtapInterface = "lan";
static = {
baseCidrv4 = lanCidrv4;
baseCidrv6 = lanCidrv6;
};
};
}