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https://github.com/SebastianWendel/nixpkgs.git
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e0e4d591cc
Add a cage module to nixos. This can be used to make kiosk-style systems that boot directly to a single application. The user (demo by default) is automatically logged in by this service and the program (xterm by default) is automatically started. This is useful for some embedded, single-user systems where we want automatic booting. To keep the system secure, the user should have limited privileges. Based on the service provided in the Cage wiki here: https://github.com/Hjdskes/cage/wiki/Starting-Cage-on-boot-with-systemd Co-Authored-By: Florian Klink <flokli@flokli.de>
44 lines
1.5 KiB
Nix
44 lines
1.5 KiB
Nix
import ./make-test-python.nix ({ pkgs, ...} :
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{
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name = "cage";
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meta = with pkgs.stdenv.lib.maintainers; {
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maintainers = [ matthewbauer flokli ];
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};
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machine = { ... }:
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{
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imports = [ ./common/user-account.nix ];
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services.cage = {
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enable = true;
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user = "alice";
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program = "${pkgs.xterm}/bin/xterm -cm -pc"; # disable color and bold to make OCR easier
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};
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# this needs a fairly recent kernel, otherwise:
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# [backend/drm/util.c:215] Unable to add DRM framebuffer: No such file or directory
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# [backend/drm/legacy.c:15] Virtual-1: Failed to set CRTC: No such file or directory
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# [backend/drm/util.c:215] Unable to add DRM framebuffer: No such file or directory
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# [backend/drm/legacy.c:15] Virtual-1: Failed to set CRTC: No such file or directory
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# [backend/drm/drm.c:618] Failed to initialize renderer on connector 'Virtual-1': initial page-flip failed
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# [backend/drm/drm.c:701] Failed to initialize renderer for plane
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boot.kernelPackages = pkgs.linuxPackages_latest;
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virtualisation.memorySize = 1024;
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};
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enableOCR = true;
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testScript = { nodes, ... }: let
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user = nodes.machine.config.users.users.alice;
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in ''
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with subtest("Wait for cage to boot up"):
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start_all()
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machine.wait_for_file("/run/user/${toString user.uid}/wayland-0.lock")
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machine.wait_until_succeeds("pgrep xterm")
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machine.wait_for_text("alice@machine")
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machine.screenshot("screen")
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'';
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})
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