76 lines
2.4 KiB
Nix
76 lines
2.4 KiB
Nix
{ lib, config, pkgs, options, extendModules, modulesPath, ... }:
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let
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vmConfig = extendModules {
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modules = [
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(modulesPath + "/virtualisation/qemu-vm.nix")
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./serial.nix
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{
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virtualisation.fileSystems.${config.clanCore.secretsUploadDirectory} = lib.mkForce {
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device = "secrets";
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fsType = "9p";
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neededForBoot = true;
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options = [ "trans=virtio" "version=9p2000.L" "cache=loose" ];
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};
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}
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];
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};
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in
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{
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options = {
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clan.virtualisation = {
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cores = lib.mkOption {
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type = lib.types.ints.positive;
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default = 1;
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description = lib.mdDoc ''
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Specify the number of cores the guest is permitted to use.
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The number can be higher than the available cores on the
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host system.
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'';
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};
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memorySize = lib.mkOption {
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type = lib.types.ints.positive;
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default = 1024;
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description = lib.mdDoc ''
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The memory size in megabytes of the virtual machine.
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'';
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};
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graphics = lib.mkOption {
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type = lib.types.bool;
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default = true;
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description = lib.mdDoc ''
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Whether to run QEMU with a graphics window, or in nographic mode.
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Serial console will be enabled on both settings, but this will
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change the preferred console.
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'';
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};
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};
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};
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config = {
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system.clan.vm = {
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# for clan vm inspect
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config = {
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inherit (config.clan.virtualisation) cores graphics;
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memory_size = config.clan.virtualisation.memorySize;
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};
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# for clan vm create
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create = pkgs.writeText "vm.json" (builtins.toJSON {
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initrd = "${vmConfig.config.system.build.initialRamdisk}/${vmConfig.config.system.boot.loader.initrdFile}";
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toplevel = vmConfig.config.system.build.toplevel;
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regInfo = (pkgs.closureInfo { rootPaths = vmConfig.config.virtualisation.additionalPaths; });
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inherit (config.clan.virtualisation) memorySize cores graphics;
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generateSecrets = config.system.clan.generateSecrets;
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uploadSecrets = config.system.clan.uploadSecrets;
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});
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};
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virtualisation = lib.optionalAttrs (options.virtualisation ? cores) {
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memorySize = lib.mkDefault config.clan.virtualisation.memorySize;
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graphics = lib.mkDefault config.clan.virtualisation.graphics;
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cores = lib.mkDefault config.clan.virtualisation.cores;
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};
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};
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}
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