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feat: add persistent ids to all users/groups

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This commit is contained in:
Leon Schwarzäugl 2026-01-12 22:15:57 +01:00
parent 37a8e17cc9
commit 7f65f74fef
Signed by: swarsel
GPG key ID: 26A54C31F2A4FD84
62 changed files with 533 additions and 173 deletions
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128
modules/shared/config-lib.nix
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@ -53,44 +53,104 @@ in
homeServiceAddress = lib.optionalString (config.swarselsystems.server.wireguard.interfaces ? wgHome) globals.networks."${config.swarselsystems.server.wireguard.interfaces.wgHome.serverNetConfigPrefix}-wgHome".hosts.${config.node.name}.ipv4;
};
mkIds = id: {
uid = id;
gid = id;
};
mkDeviceMac = id:
let
mod = n: d: n - (n / d) * d;
toHexByte = n:
let
hex = "0123456789abcdef";
hi = n / 16;
lo = mod n 16;
in
builtins.substring hi 1 hex
+ builtins.substring lo 1 hex;
max = 16777215; # 256^3 - 1
b1 = id / (256 * 256);
r1 = mod id (256 * 256);
b2 = r1 / 256;
b3 = mod r1 256;
in
if
(id <= max)
then
(builtins.concatStringsSep ":"
(map toHexByte [ b1 b2 b3 ]))
else
(throw "Device MAC ID too large (max is 16777215)");
mkMicrovm =
if config.swarselsystems.withMicroVMs then
(guestName: {
${guestName} = {
backend = "microvm";
autostart = true;
modules = [
(config.node.configDir + /guests/${guestName}/default.nix)
{
node.secretsDir = config.node.configDir + /secrets/${guestName};
node.configDir = config.node.configDir + /guests/${guestName};
networking.nftables.firewall = {
zones.untrusted.interfaces = lib.mkIf
(
lib.length config.guests.${guestName}.networking.links == 1
)
config.guests.${guestName}.networking.links;
(guestName:
{ enableStorage ? false
, withZfs ? false
, ...
}:
{
${guestName} = {
backend = "microvm";
autostart = true;
zfs = lib.mkIf withZfs {
# stateful config that should be backed up
"/state" = {
pool = "Vault";
dataset = "guests/${guestName}/state";
};
}
"${self}/modules/nixos/optional/microvm-guest.nix"
"${self}/modules/nixos/optional/systemd-networkd-base.nix"
];
microvm = {
system = config.node.arch;
baseMac = config.repo.secrets.local.networking.networks.lan.mac;
interfaces.vlan-services = { };
# data that should be backed up
"/storage" = lib.mkIf enableStorage {
pool = "Vault";
dataset = "guests/${guestName}/storage";
};
# other stuff that should only reside on disk, not backed up
"/persist" = {
pool = "Vault";
dataset = "guests/${guestName}/persist";
};
};
modules = [
(config.node.configDir + /guests/${guestName}/default.nix)
{
node.secretsDir = config.node.configDir + /secrets/${guestName};
node.configDir = config.node.configDir + /guests/${guestName};
networking.nftables.firewall = {
zones.untrusted.interfaces = lib.mkIf
(
lib.length config.guests.${guestName}.networking.links == 1
)
config.guests.${guestName}.networking.links;
};
}
"${self}/modules/nixos/optional/microvm-guest.nix"
"${self}/modules/nixos/optional/systemd-networkd-base.nix"
];
microvm = {
system = config.node.arch;
baseMac = config.repo.secrets.local.networking.networks.lan.mac;
interfaces.vlan-services = {
mac = lib.mkForce "02:${lib.substring 3 5 config.guests.${guestName}.microvm.baseMac}:${mkDeviceMac globals.networks.home-lan.vlans.services.hosts."${config.node.name}-${guestName}".id}";
};
};
extraSpecialArgs = {
inherit (inputs.self) nodes;
inherit (inputs.self.pkgs.${config.node.arch}) lib;
inherit inputs outputs minimal;
inherit (inputs) self;
withHomeManager = false;
microVMParent = config.node.name;
globals = inputs.self.globals.${config.node.arch};
};
};
extraSpecialArgs = {
inherit (inputs.self) nodes;
inherit (inputs.self.pkgs.${config.node.arch}) lib;
inherit inputs outputs minimal;
inherit (inputs) self;
withHomeManager = false;
microVMParent = config.node.name;
globals = inputs.self.globals.${config.node.arch};
};
};
}) else (_: { _ = { }; });
}) else
(_: {
_ = { };
});
genNginx =
{ serviceAddress