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66 lines
2.3 KiB
Nix
66 lines
2.3 KiB
Nix
import ./make-test-python.nix ({ lib, pkgs, ... }: {
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name = "systemd-initrd-swraid";
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nodes.machine = { pkgs, ... }: {
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# Use systemd-boot
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virtualisation = {
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emptyDiskImages = [ 512 512 ];
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useBootLoader = true;
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# Booting off the RAID requires an available init script
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mountHostNixStore = true;
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useEFIBoot = true;
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};
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boot.loader.systemd-boot.enable = true;
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boot.loader.efi.canTouchEfiVariables = true;
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environment.systemPackages = with pkgs; [ mdadm e2fsprogs ]; # for mdadm and mkfs.ext4
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boot.swraid = {
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enable = true;
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mdadmConf = ''
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ARRAY /dev/md0 devices=/dev/vdb,/dev/vdc
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'';
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};
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environment.etc."mdadm.conf".text = ''
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MAILADDR test@example.com
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'';
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boot.initrd = {
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systemd = {
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enable = true;
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emergencyAccess = true;
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};
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kernelModules = [ "raid0" ];
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};
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specialisation.boot-swraid.configuration.virtualisation.rootDevice = "/dev/disk/by-label/testraid";
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# This protects against a regression. We do not have to switch to it.
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# It's sufficient to trigger its evaluation.
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specialisation.build-old-initrd.configuration.boot.initrd.systemd.enable = lib.mkForce false;
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};
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testScript = ''
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# Create RAID
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machine.succeed("mdadm --create --force /dev/md0 -n 2 --level=raid1 /dev/vdb /dev/vdc --metadata=0.90")
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machine.succeed("mkfs.ext4 -L testraid /dev/md0")
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machine.succeed("mkdir -p /mnt && mount /dev/md0 /mnt && echo hello > /mnt/test && umount /mnt")
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# Boot from the RAID
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machine.succeed("bootctl set-default nixos-generation-1-specialisation-boot-swraid.conf")
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machine.succeed("sync")
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machine.crash()
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machine.wait_for_unit("multi-user.target")
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# Ensure we have successfully booted from the RAID
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assert "(initrd)" in machine.succeed("systemd-analyze") # booted with systemd in stage 1
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assert "/dev/md0 on / type ext4" in machine.succeed("mount")
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assert "hello" in machine.succeed("cat /test")
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assert "md0" in machine.succeed("cat /proc/mdstat")
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expected_config = """MAILADDR test@example.com
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ARRAY /dev/md0 devices=/dev/vdb,/dev/vdc
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"""
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got_config = machine.execute("cat /etc/mdadm.conf")[1]
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assert expected_config == got_config, repr((expected_config, got_config))
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machine.wait_for_unit("mdmonitor.service")
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'';
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})
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