ringofstorms/qvm
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Add qvm clean; make rebuild produce VM runner; default qvm run to shell

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This commit is contained in:
Joshua Bell 2026-01-26 10:14:23 -06:00
parent e766c8466d
commit 601b4ab15e
7 changed files with 395 additions and 249 deletions
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64
flake/default-vm/flake.nix
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@ -40,7 +40,7 @@
imports = [
inputs.home-manager.nixosModules.home-manager
inputs.ros_neovim.nixosModules.default
# inputs.ros_neovim.nixosModules.default
inputs.common.nixosModules.essentials
inputs.common.nixosModules.git
inputs.common.nixosModules.zsh
@ -76,20 +76,21 @@
useGlobalPkgs = true;
backupFileExtension = "bak";
sharedModules = [
inputs.common.homeManagerModules.atuin
inputs.common.homeManagerModules.git
inputs.common.homeManagerModules.postgres_cli_options
inputs.common.homeManagerModules.starship
inputs.common.homeManagerModules.zoxide
inputs.common.homeManagerModules.zsh
inputs.common.homeManagerModules.tmux
inputs.common.homeManagerModules.direnv
({ programs.direnv.config.whitelist.prefix = [ "/" ]; })
];
users.root = {
home.stateVersion = stateVersion;
programs.home-manager.enable = true;
sharedModules = [
inputs.common.homeManagerModules.atuin
inputs.common.homeManagerModules.git
inputs.common.homeManagerModules.postgres_cli_options
inputs.common.homeManagerModules.starship
inputs.common.homeManagerModules.zoxide
inputs.common.homeManagerModules.zsh
inputs.common.homeManagerModules.tmux
inputs.common.homeManagerModules.direnv
];
};
};
@ -164,6 +165,18 @@
];
};
fileSystems."/root/.config/opencode" = {
device = "opencode_config";
fsType = "9p";
options = [
"trans=virtio"
"version=9p2000.L"
"msize=104857600"
"_netdev"
"nofail"
];
};
# Environment variables for cache directories
environment.variables = {
CARGO_HOME = "/cache/cargo";
@ -209,7 +222,7 @@
╚════════════════════════════════════════╝
'';
# 35GB disk size
# GB disk size
virtualisation.diskSize = 40 * 1024;
system.stateVersion = stateVersion;
@ -217,20 +230,33 @@
in
let
qcow2Image = nixos-generators.nixosGenerate {
pkgs = nixpkgs.legacyPackages.${system};
# Use standard NixOS VM builder instead of nixos-generators
# nixos-generators qcow format has a 100MB RAM build VM that OOMs with large closures
baseVm = nixpkgs.lib.nixosSystem {
inherit system;
format = "qcow";
modules = [ vmModule ];
};
in
{
# Export the qcow2 image
nixosConfigurations.base = baseVm;
# Runnable VM script (./result/bin/run-qvm-dev-vm)
packages.${system} = {
qcow2 = qcow2Image;
default = qcow2Image;
vm = baseVm.config.system.build.vm;
default = baseVm.config.system.build.vm;
};
apps.${system}.default = {
type = "app";
program = "${baseVm.config.system.build.vm}/bin/run-qvm-dev-vm";
};
devShells.${system}.default = pkgs.mkShellNoCC {
QEMU_NET_OPTS = "hostfwd=tcp::2222-:22";
};
# Export the module for reuse
nixosModules.default = vmModule;
};
}