118 lines
3.8 KiB
Nix
118 lines
3.8 KiB
Nix
|
{ lib, nodes, ... }:
|
||
|
|
|
||
|
|
let
|
||
|
|
inherit (lib)
|
||
|
|
attrNames concatMap concatMapStrings flip forEach head
|
||
|
|
listToAttrs mkDefault mkOption nameValuePair optionalString
|
||
|
|
range types zipListsWith zipLists
|
||
|
|
mdDoc
|
||
|
|
;
|
||
|
|
|
||
|
|
nodeNumbers =
|
||
|
|
listToAttrs
|
||
|
|
(zipListsWith
|
||
|
|
nameValuePair
|
||
|
|
(attrNames nodes)
|
||
|
|
(range 1 254)
|
||
|
|
);
|
||
|
|
|
||
|
|
networkModule = { config, nodes, pkgs, ... }:
|
||
|
|
let
|
||
|
|
interfacesNumbered = zipLists config.virtualisation.vlans (range 1 255);
|
||
|
|
interfaces = forEach interfacesNumbered ({ fst, snd }:
|
||
|
|
nameValuePair "eth${toString snd}" {
|
||
|
|
ipv4.addresses =
|
||
|
|
[{
|
||
|
|
address = "192.168.${toString fst}.${toString config.virtualisation.test.nodeNumber}";
|
||
|
|
prefixLength = 24;
|
||
|
|
}];
|
||
|
|
});
|
||
|
|
|
||
|
|
networkConfig =
|
||
|
|
{
|
||
|
|
networking.hostName = mkDefault config.virtualisation.test.nodeName;
|
||
|
|
|
||
|
|
networking.interfaces = listToAttrs interfaces;
|
||
|
|
|
||
|
|
networking.primaryIPAddress =
|
||
|
|
optionalString (interfaces != [ ]) (head (head interfaces).value.ipv4.addresses).address;
|
||
|
|
|
||
|
|
# Put the IP addresses of all VMs in this machine's
|
||
|
|
# /etc/hosts file. If a machine has multiple
|
||
|
|
# interfaces, use the IP address corresponding to
|
||
|
|
# the first interface (i.e. the first network in its
|
||
|
|
# virtualisation.vlans option).
|
||
|
|
networking.extraHosts = flip concatMapStrings (attrNames nodes)
|
||
|
|
(m':
|
||
|
|
let config = nodes.${m'}; in
|
||
|
|
optionalString (config.networking.primaryIPAddress != "")
|
||
|
|
("${config.networking.primaryIPAddress} " +
|
||
|
|
optionalString (config.networking.domain != null)
|
||
|
|
"${config.networking.hostName}.${config.networking.domain} " +
|
||
|
|
"${config.networking.hostName}\n"));
|
||
|
|
|
||
|
|
virtualisation.qemu.options =
|
||
|
|
let qemu-common = import ../qemu-common.nix { inherit lib pkgs; };
|
||
|
|
in
|
||
|
|
flip concatMap interfacesNumbered
|
||
|
|
({ fst, snd }: qemu-common.qemuNICFlags snd fst config.virtualisation.test.nodeNumber);
|
||
|
|
};
|
||
|
|
|
||
|
|
in
|
||
|
|
{
|
||
|
|
key = "ip-address";
|
||
|
|
config = networkConfig // {
|
||
|
|
# Expose the networkConfig items for tests like nixops
|
||
|
|
# that need to recreate the network config.
|
||
|
|
system.build.networkConfig = networkConfig;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
nodeNumberModule = (regular@{ config, name, ... }: {
|
||
|
|
options = {
|
||
|
|
virtualisation.test.nodeName = mkOption {
|
||
|
|
internal = true;
|
||
|
|
default = name;
|
||
|
|
# We need to force this in specilisations, otherwise it'd be
|
||
|
|
# readOnly = true;
|
||
|
|
description = mdDoc ''
|
||
|
|
The `name` in `nodes.<name>`; stable across `specialisations`.
|
||
|
|
'';
|
||
|
|
};
|
||
|
|
virtualisation.test.nodeNumber = mkOption {
|
||
|
|
internal = true;
|
||
|
|
type = types.int;
|
||
|
|
readOnly = true;
|
||
|
|
default = nodeNumbers.${config.virtualisation.test.nodeName};
|
||
|
|
description = mdDoc ''
|
||
|
|
A unique number assigned for each node in `nodes`.
|
||
|
|
'';
|
||
|
|
};
|
||
|
|
|
||
|
|
# specialisations override the `name` module argument,
|
||
|
|
# so we push the real `virtualisation.test.nodeName`.
|
||
|
|
specialisation = mkOption {
|
||
|
|
type = types.attrsOf (types.submodule {
|
||
|
|
options.configuration = mkOption {
|
||
|
|
type = types.submoduleWith {
|
||
|
|
modules = [
|
||
|
|
{
|
||
|
|
config.virtualisation.test.nodeName =
|
||
|
|
# assert regular.config.virtualisation.test.nodeName != "configuration";
|
||
|
|
regular.config.virtualisation.test.nodeName;
|
||
|
|
}
|
||
|
|
];
|
||
|
|
};
|
||
|
|
};
|
||
|
|
});
|
||
|
|
};
|
||
|
|
};
|
||
|
|
});
|
||
|
|
|
||
|
|
in
|
||
|
|
{
|
||
|
|
config = {
|
||
|
|
extraBaseModules = { imports = [ networkModule nodeNumberModule ]; };
|
||
|
|
};
|
||
|
|
}
|