Files
clan-core/lib/distributed-service/tests/per_machine_args.nix
2025-03-29 15:40:31 +01:00

108 lines
2.6 KiB
Nix

{ lib, callInventoryAdapter }:
let # Authored module
# A minimal module looks like this
# It isn't exactly doing anything but it's a valid module that produces an output
modules."A" = {
_class = "clan.service";
manifest = {
name = "network";
};
# Define two roles with unmergeable interfaces
# Both define some 'timeout' but with completely different types.
roles.peer.interface =
{ lib, ... }:
{
options.timeout = lib.mkOption {
type = lib.types.str;
};
};
roles.server.interface =
{ lib, ... }:
{
options.timeout = lib.mkOption {
type = lib.types.submodule;
};
};
perMachine =
{ instances, ... }:
{
nixosModule = instances;
};
};
machines = {
jon = { };
sara = { };
};
res = callInventoryAdapter {
inherit modules machines;
instances."instance_foo" = {
module = {
name = "A";
};
roles.peer.machines.jon = {
settings.timeout = lib.mkForce "foo-peer-jon";
};
roles.peer = {
settings.timeout = "foo-peer";
};
};
instances."instance_bar" = {
module = {
name = "A";
};
roles.peer.machines.jon = {
settings.timeout = "bar-peer-jon";
};
};
instances."instance_zaza" = {
module = {
name = "B";
};
roles.peer.tags.all = { };
};
};
filterInternals = lib.filterAttrs (n: _v: !lib.hasPrefix "_" n);
in
{
# settings should evaluate
test_per_machine_receives_instance_settings = {
expr = {
hasMachineSettings =
res.evals.self-A.config.result.allMachines.jon.nixosModule.instance_foo.roles.peer.machines.jon
? settings;
# settings are specific.
# Below we access:
# instance = instance_foo
# roles = peer
# machines = jon
specificMachineSettings = filterInternals res.evals.self-A.config.result.allMachines.jon.nixosModule.instance_foo.roles.peer.machines.jon.settings;
hasRoleSettings =
res.evals.self-A.config.result.allMachines.jon.nixosModule.instance_foo.roles.peer ? settings;
# settings are specific.
# Below we access:
# instance = instance_foo
# roles = peer
# machines = *
specificRoleSettings = filterInternals res.evals.self-A.config.result.allMachines.jon.nixosModule.instance_foo.roles.peer.settings;
};
expected = {
hasMachineSettings = true;
specificMachineSettings = {
timeout = "foo-peer-jon";
};
hasRoleSettings = true;
specificRoleSettings = {
timeout = "foo-peer";
};
};
};
}