mirrors_public/oddlama_nix-config
1
1
Fork 1
mirror of https://github.com/oddlama/nix-config.git synced 2025-10-11 07:10:39 +02:00
Code Activity

feat: add macvtap networking to microvms

Browse source
This commit is contained in:
oddlama 2023-05-10 02:07:09 +02:00
parent 8cb904c44c
commit 24655ece76
No known key found for this signature in database
GPG key ID: 14EFE510775FE39A
7 changed files with 95 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

54
modules/microvms.nix
View file

@ -1,16 +1,21 @@
{
inputs,
config,
extraLib,
inputs,
lib,
microvm,
nodeName,
nodePath,
microvm,
pkgs,
...
}: let
inherit
(lib)
attrNames
concatStringsSep
filterAttrs
mapAttrs
mapAttrsToList
mdDoc
mkDefault
mkForce
@ -40,9 +45,9 @@
interfaces = [
{
type = "macvtap";
id = "macvtap1";
id = "vm-${vmName}";
macvtap = {
link = "wan0";
link = vmCfg.macvtap;
mode = "bridge";
};
inherit (vmCfg) mac;
@ -79,37 +84,46 @@ in {
description = "Provides a base configuration for MicroVMs.";
type = types.attrsOf (types.submodule {
options = {
system = mkOption {
type = types.str;
description = mdDoc "The system that this microvm should use";
autostart = mkOption {
type = types.bool;
default = false;
description = mdDoc "Whether this VM should be started automatically with the host";
};
mac = mkOption {
type = types.mac;
type = config.lib.net.types.mac;
description = mdDoc "The MAC address to assign to this VM";
};
macvtap = mkOption {
type = types.str;
description = mdDoc "The macvtap interface to attach to";
};
system = mkOption {
type = types.str;
description = mdDoc "The system that this microvm should use";
};
};
});
};
config = {
assertions = let
duplicateMacs = extraLib.duplicates (mapAttrsToList (_: vmCfg: vmCfg.mac) cfg);
in [
{
assertion = duplicateMacs == [];
message = "Duplicate MicroVM MAC addresses: ${concatStringsSep ", " duplicateMacs}";
}
];
microvm = {
host.enable = cfg != {};
declarativeUpdates = true;
restartIfChanged = true;
vms = mkIf (cfg != {}) (mapAttrs defineMicrovm cfg);
autostart = mkIf (cfg != {}) (attrNames (filterAttrs (_: v: v.autostart) cfg));
};
#systemd.network.netdevs.jrsptap = {
# netdevConfig = {
# Name = "jrsptap";
# Kind = "macvtap";
# MACAddress = "...";
# };
#};
#systemd.network.networks.vms = {
# matchConfig.Name = "vms";
# networkConfig.MACVTAP = "jrsptap";
#};
};
}