clan-core/nixosModules/clanCore/networking.nix
Jörg Thalheim 8658e1694a
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rework multicast support
2024-04-17 10:57:17 +02:00

85 lines
2.5 KiB
Nix

{ config, lib, ... }:
{
options.clan = {
networking = {
targetHost = lib.mkOption {
description = ''
The target SSH node for deployment.
By default, the node's attribute name will be used.
If set to null, only local deployment will be supported.
format: user@host:port&SSH_OPTION=SSH_VALUE
examples:
- machine.example.com
- user@machine2.example.com
- root@example.com:2222&IdentityFile=/path/to/private/key
'';
default = null;
type = lib.types.nullOr lib.types.str;
};
buildHost = lib.mkOption {
description = ''
The build SSH node where nixos-rebuild will be executed.
If set to null, the targetHost will be used.
format: user@host:port&SSH_OPTION=SSH_VALUE
examples:
- machine.example.com
- user@machine2.example.com
- root@example.com:2222&IdentityFile=/path/to/private/key
'';
type = lib.types.nullOr lib.types.str;
default = null;
};
};
deployment = {
requireExplicitUpdate = lib.mkOption {
description = ''
Do not update this machine when running `clan machines update` without any machines specified.
This is useful for machines that are not always online or are not part of the regular update cycle.
'';
type = lib.types.bool;
default = false;
};
};
};
imports = [
(lib.mkRenamedOptionModule
[
"clan"
"networking"
"deploymentAddress"
]
[
"clan"
"networking"
"targetHost"
]
)
];
config = {
# conflicts with systemd-resolved
networking.useHostResolvConf = false;
# Allow PMTU / DHCP
networking.firewall.allowPing = true;
# The notion of "online" is a broken concept
# https://github.com/systemd/systemd/blob/e1b45a756f71deac8c1aa9a008bd0dab47f64777/NEWS#L13
systemd.services.NetworkManager-wait-online.enable = false;
systemd.network.wait-online.enable = false;
systemd.network.networks."99-ethernet-default-dhcp".networkConfig.MulticastDNS = lib.mkDefault "yes";
systemd.network.networks."99-wireless-client-dhcp".networkConfig.MulticastDNS = lib.mkDefault "yes";
networking.firewall.allowedUDPPorts = [ 5353 ]; # Multicast DNS
# Use networkd instead of the pile of shell scripts
networking.useNetworkd = lib.mkDefault true;
};
}