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nixpkgs/nixos/tests/initrd-secrets.nix

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{ system ? builtins.currentSystem
, config ? {}
, pkgs ? import ../.. { inherit system config; }
, lib ? pkgs.lib
, testing ? import ../lib/testing-python.nix { inherit system pkgs; }
}:
let
secretInStore = pkgs.writeText "topsecret" "iamasecret";
testWithCompressor = compressor: testing.makeTest {
name = "initrd-secrets-${compressor}";
meta.maintainers = [ lib.maintainers.lheckemann ];
machine = { ... }: {
virtualisation.useBootLoader = true;
boot.initrd.secrets."/test" = secretInStore;
boot.initrd.postMountCommands = ''
cp /test /mnt-root/secret-from-initramfs
'';
boot.initrd.compressor = compressor;
# zstd compression is only supported from 5.9 onwards. Remove when 5.10 becomes default.
boot.kernelPackages = pkgs.linuxPackages_latest;
};
testScript = ''
start_all()
machine.wait_for_unit("multi-user.target")
machine.succeed(
"cmp ${secretInStore} /secret-from-initramfs"
)
'';
};
in lib.flip lib.genAttrs testWithCompressor [
"cat" "gzip" "bzip2" "xz" "lzma" "lzop" "pigz" "pixz" "zstd"
]