nixos/unl0kr: fix tests, change default package to buffybox (bumps unl0kr to 3.2.0-unstable-2024-11-10) #362825
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,75 +1,86 @@ | ||
| import ./make-test-python.nix ( | ||
| { lib, pkgs, ... }: | ||
| let | ||
| passphrase = "secret"; | ||
| in | ||
| { | ||
| name = "systemd-initrd-luks-unl0kr"; # How to run an interactive test: `nix run .#nixosTests.systemd-initrd-luks-unl0kr.driverInteractive' | ||
| meta = { | ||
| maintainers = [ ]; | ||
| }; | ||
|
|
||
| enableOCR = true; | ||
|
|
||
| nodes.machine = | ||
| { pkgs, ... }: | ||
| { | ||
| virtualisation = { | ||
| emptyDiskImages = [ | ||
| 512 | ||
| 512 | ||
| ]; | ||
| useBootLoader = true; | ||
| mountHostNixStore = true; | ||
| useEFIBoot = true; | ||
| qemu.options = [ | ||
| "-vga virtio" | ||
| ]; | ||
| }; | ||
| boot.loader.systemd-boot.enable = true; | ||
|
|
||
| boot.initrd.availableKernelModules = [ | ||
| "bochs" # for debugging | ||
| ]; | ||
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| environment.systemPackages = with pkgs; [ | ||
| cryptsetup | ||
| bintools | ||
| ]; # I need strings to debug buffybox | ||
| boot.initrd = { | ||
| systemd = { | ||
| enable = true; | ||
| emergencyAccess = true; | ||
| }; | ||
| unl0kr.enable = true; | ||
| }; | ||
|
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||
| specialisation.boot-luks.configuration = { | ||
| boot.initrd.luks.devices = lib.mkVMOverride { | ||
| # We have two disks and only type one password - key reuse is in place | ||
| cryptroot.device = "/dev/vdb"; | ||
| cryptroot2.device = "/dev/vdc"; | ||
| }; | ||
| virtualisation.rootDevice = "/dev/mapper/cryptroot"; | ||
| virtualisation.fileSystems."/".autoFormat = true; | ||
| # test mounting device unlocked in initrd after switching root | ||
| virtualisation.fileSystems."/cryptroot2".device = "/dev/mapper/cryptroot2"; | ||
| }; | ||
| }; | ||
|
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| testScript = '' | ||
| # Create encrypted volume | ||
| machine.wait_for_unit("multi-user.target") | ||
| machine.succeed("echo -n ${passphrase} | cryptsetup luksFormat -q --iter-time=1 /dev/vdb -") | ||
| machine.succeed("echo -n ${passphrase} | cryptsetup luksFormat -q --iter-time=1 /dev/vdc -") | ||
| machine.succeed("echo -n ${passphrase} | cryptsetup luksOpen -q /dev/vdc cryptroot2") | ||
| machine.succeed("mkfs.ext4 /dev/mapper/cryptroot2") | ||
|
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| # Boot from the encrypted disk | ||
| machine.succeed("bootctl set-default nixos-generation-1-specialisation-boot-luks.conf") | ||
| machine.succeed("sync") | ||
| machine.crash() | ||
|
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| # Boot and decrypt the disk. This part of the test is SLOW. | ||
| machine.start() | ||
| machine.wait_for_text("password") # This is the best keyword for such prompts. | ||
| machine.screenshot("prompt") | ||
| machine.send_chars("${passphrase}") | ||
| machine.screenshot("pw") | ||
| machine.send_chars("\n") | ||
| machine.wait_for_unit("multi-user.target") | ||
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| assert "/dev/mapper/cryptroot on / type ext4" in machine.succeed("mount"), "/dev/mapper/cryptroot do not appear in mountpoints list" | ||
| assert "/dev/mapper/cryptroot2 on /cryptroot2 type ext4" in machine.succeed("mount") | ||
| ''; | ||
| } | ||
| ) |
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Did you try just adding
buffyboxtoboot.initrd.systemd.packagesrather than duplicating the upstream systemd units? Would be a lot cleaner. Should just need to manually add the necessarywantedByto thepathunit.There was a problem hiding this comment.
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I'm attempting to use the password agent from upstream, rewritten in C.
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I currently don't know how to debug the systemd service, is there a manual entry for debugging stage 1 services?
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There should be a way to get a shell in stage 1, then you can manually run commands to check whatever you want to do. Would that be helpful?
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Yes. The buffybox package has upstream unit files that can be included in initrd automatically by setting
boot.initrd.systemd.packages = [ buffybox ];so you don't have to reimplement the units yourself here.You can get a debug shell in systemd initrd by adding the
rd.systemd.debug_shellkernel param and switching to VT9