mirror of
https://github.com/nix-community/nixos-generators.git
synced 2024-09-11 12:15:29 +03:00
67 lines
1.7 KiB
Nix
67 lines
1.7 KiB
Nix
{
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config,
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pkgs,
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lib,
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modulesPath,
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...
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}: {
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imports = [
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(modulesPath + "/installer/netboot/netboot-minimal.nix")
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];
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system.build = rec {
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kexec_tarball = pkgs.callPackage "${toString modulesPath}/../lib/make-system-tarball.nix" {
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storeContents = [
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{
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object = pkgs.writeScript "kexec" ''
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kexec \
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--load ${config.system.build.toplevel}/kernel \
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--initrd ${config.system.build.toplevel}/initrd \
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--command-line "$(</proc/cmdline)"
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'';
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symlink = "/kexec_nixos";
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}
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];
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contents = [];
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};
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kexec_tarball_self_extract_script = pkgs.writeTextFile {
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executable = true;
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name = "kexec-nixos";
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text = ''
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#!/bin/sh
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set -eu
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ARCHIVE=`awk '/^__ARCHIVE_BELOW__/ { print NR + 1; exit 0; }' $0`
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tail -n+$ARCHIVE $0 | tar xJ -C /
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/kexec_nixos
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exit 1
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__ARCHIVE_BELOW__
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'';
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};
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kexec_bundle = pkgs.runCommand "kexec_bundle" {} ''
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cat \
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${kexec_tarball_self_extract_script} \
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${config.system.build.kexec_tarball}/tarball/nixos-system-${config.system.build.kexec_tarball.system}.tar.xz \
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> $out
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chmod +x $out
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'';
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};
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boot.loader.grub.enable = false;
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boot.kernelParams = [
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"console=ttyS0,115200" # allows certain forms of remote access, if the hardware is setup right
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"panic=30"
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"boot.panic_on_fail" # reboot the machine upon fatal boot issues
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];
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systemd.services.sshd.wantedBy = lib.mkForce ["multi-user.target"];
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networking.hostName = lib.mkDefault "kexec";
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formatAttr = "kexec_tarball";
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filename = "*/tarball/*.tar.xz";
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}
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