forked from Fediversity/Fediversity
Kiara Grouwstra
a882de0b8e
Reviewed-on: Fediversity/Fediversity#430 Reviewed-by: Nicolas Jeannerod <nicolas.jeannerod@moduscreate.com> Co-authored-by: Kiara Grouwstra <kiara@procolix.eu> Co-committed-by: Kiara Grouwstra <kiara@procolix.eu>
58 lines
1.7 KiB
Nix
58 lines
1.7 KiB
Nix
/**
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Convert a NixOS configuration to one for a minimal installer ISO
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WARNING: Running this installer will format the target disk!
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*/
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{
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nixpkgs,
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hostKeys ? { },
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nixosConfiguration,
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}:
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let
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inherit (builtins) concatStringsSep attrValues mapAttrs;
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installer =
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{
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pkgs,
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lib,
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...
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}:
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let
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bootstrap = pkgs.writeShellApplication {
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name = "bootstrap";
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runtimeInputs = with pkgs; [ nixos-install-tools ];
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text = ''
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${nixosConfiguration.config.system.build.diskoScript}
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nixos-install --no-root-password --no-channel-copy --system ${nixosConfiguration.config.system.build.toplevel}
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${concatStringsSep "\n" (
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attrValues (
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mapAttrs (kind: keys: ''
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cp ${keys.private} /mnt/etc/ssh/ssh_host_${kind}_key
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chmod 600 /mnt/etc/ssh/ssh_host_${kind}_key
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cp ${keys.public} /mnt/etc/ssh/ssh_host_${kind}_key.pub
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chmod 644 /mnt/etc/ssh/ssh_host_${kind}_key.pub
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'') hostKeys
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)
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)}
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poweroff
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'';
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};
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in
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{
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imports = [ "${nixpkgs}/nixos/modules/installer/cd-dvd/installation-cd-minimal.nix" ];
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nixpkgs.hostPlatform = "x86_64-linux";
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services.getty.autologinUser = lib.mkForce "root";
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programs.bash.loginShellInit = nixpkgs.lib.getExe bootstrap;
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isoImage = {
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compressImage = false;
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squashfsCompression = "lz4";
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isoName = lib.mkForce "installer.iso";
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## ^^ FIXME: Use a more interesting name or keep the default name and
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## use `isoImage.isoName` in the tests.
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};
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};
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in
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(nixpkgs.lib.nixosSystem { modules = [ installer ]; }).config.system.build.isoImage
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