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fix resource mapping for the shell application

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This commit is contained in:
Valentin Gagarin 2025-07-25 12:46:37 +02:00
parent 8c571c2dbe
commit 312ca7a48b
2 changed files with 33 additions and 13 deletions
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45
deployment/data-model-test.nix
View file

@ -43,11 +43,9 @@ in
extra-config = mkOption {
description = "Any options from NixOS";
};
apply = mkOption {
type = with types; functionTo raw;
default = requests: lib.mkMerge (requests ++ [ config.extra-config ]);
};
};
config.resource-type = types.raw; # TODO: what's the type of a NixOS configuration?
config.apply = requests: lib.mkMerge (requests ++ [ config.extra-config ]);
};
};
resources.login-shell = {
@ -83,17 +81,21 @@ in
default = false;
};
};
config.resource-type = types.any; # TODO: splice out the user type from NixOS
config.resource-type = types.raw; # TODO: splice out the user type from NixOS
config.apply =
requests:
let
# Filter out requests that need wheel if policy doesn't allow it
validRequests = lib.filterAttrs (_name: req: !req.wheel || config.wheel) requests;
validRequests = lib.filterAttrs (
_name: req: !req.login-shell.wheel || config.wheel
) requests.resources;
in
lib.optionalAttrs (validRequests != { }) {
${config.username} = {
isNormalUser = true;
packages = with lib; concatMapAttrs (_name: request: attrValues request.packages) validRequests;
packages =
with lib;
attrValues (concatMapAttrs (_name: request: request.login-shell.packages) validRequests);
extraGroups = lib.optional config.wheel "wheel";
};
};
@ -118,7 +120,7 @@ in
environments.single-nixos-vm =
{ config, ... }:
{
resources.shell.login-shell.username = "operator";
resources.operator-environment.login-shell.username = "operator";
implementation = requests: {
input = requests;
output =
@ -161,14 +163,25 @@ in
};
}
);
resources = fediversity.applications.hello.resources fediversity.example-configuration.applications.hello;
hello-shell = (resources).resources.hello.login-shell;
environment = fediversity.environments.single-nixos-vm.resources.operator-environment.login-shell;
in
rec {
number-of-resources = with lib; length (attrNames fediversity.resources);
inherit (fediversity) example-configuration;
hello-package-exists =
(fediversity.applications.hello.resources example-configuration.applications.hello)
.resources.hello.login-shell.packages ? hello;
inherit (fediversity) example-deployment;
hello-package-exists = hello-shell.packages ? hello;
wheel-required = hello-shell.wheel;
wheel-allowed = environment.wheel;
operator-shell =
let
operator = (environment.apply resources).operator;
in
{
inherit (operator) isNormalUser;
packages = with lib; map (p: "${p.pname}") operator.packages;
extraGroups = operator.extraGroups;
};
};
expected = {
number-of-resources = 2;
@ -177,7 +190,13 @@ in
applications.hello.enable = true;
};
hello-package-exists = true;
example-deployment = { };
wheel-required = false;
wheel-allowed = false;
operator-shell = {
isNormalUser = true;
packages = [ "hello" ];
extraGroups = [ ];
};
};
};
}

1
deployment/data-model.nix
View file

@ -74,6 +74,7 @@ in
description = "The type of resource this policy configures";
type = types.optionType;
};
# TODO(@fricklerhandwerk): do we need a function type here as well, or is it in the way?
options.apply = mkOption {
description = "Apply the policy to a request";
type = with types; functionTo policy.config.resource-type;