This commit is contained in:
illustris
2026-03-01 13:05:07 +05:30
commit 288ea09e91
3 changed files with 339 additions and 0 deletions

1
.gitignore vendored Normal file
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*.img

186
flake.lock generated Normal file
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{
"nodes": {
"flake-utils": {
"inputs": {
"systems": "systems"
},
"locked": {
"lastModified": 1731533236,
"narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"microvm": {
"inputs": {
"nixpkgs": [
"nixpkgs"
],
"spectrum": "spectrum"
},
"locked": {
"lastModified": 1772338235,
"narHash": "sha256-9XcwtSIL/c+pkC3SBNuxCJuSktFOBV1TLvvkhekyB8I=",
"owner": "microvm-nix",
"repo": "microvm.nix",
"rev": "9d1ff9b53532908a5eba7707931c9093508b6b92",
"type": "github"
},
"original": {
"owner": "microvm-nix",
"repo": "microvm.nix",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1772198003,
"narHash": "sha256-I45esRSssFtJ8p/gLHUZ1OUaaTaVLluNkABkk6arQwE=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "dd9b079222d43e1943b6ebd802f04fd959dc8e61",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs_2": {
"locked": {
"lastModified": 1770107345,
"narHash": "sha256-tbS0Ebx2PiA1FRW8mt8oejR0qMXmziJmPaU1d4kYY9g=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "4533d9293756b63904b7238acb84ac8fe4c8c2c4",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixpkgs-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs_3": {
"locked": {
"lastModified": 1771724586,
"narHash": "sha256-The//BXCIdGDkYK23LZOZKDt7xGrUogp8jxbyIlX6Bg=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "b01ac67ad9de0d487c707657640ef3a0bfab2b90",
"type": "github"
},
"original": {
"owner": "nixos",
"repo": "nixpkgs",
"type": "github"
}
},
"nullclaw": {
"inputs": {
"treefmt-nix": "treefmt-nix",
"zig2nix": "zig2nix"
},
"locked": {
"lastModified": 1772328825,
"narHash": "sha256-xAez0hPWyChoOTTjOt/OHCJsmqEa+DdS4+0g/drjV2Q=",
"owner": "nullclaw",
"repo": "nullclaw",
"rev": "9a64fd94c65ee409a1c523653463ef43e1961aac",
"type": "github"
},
"original": {
"owner": "nullclaw",
"repo": "nullclaw",
"type": "github"
}
},
"root": {
"inputs": {
"microvm": "microvm",
"nixpkgs": "nixpkgs",
"nullclaw": "nullclaw"
}
},
"spectrum": {
"flake": false,
"locked": {
"lastModified": 1759482047,
"narHash": "sha256-H1wiXRQHxxPyMMlP39ce3ROKCwI5/tUn36P8x6dFiiQ=",
"ref": "refs/heads/main",
"rev": "c5d5786d3dc938af0b279c542d1e43bce381b4b9",
"revCount": 996,
"type": "git",
"url": "https://spectrum-os.org/git/spectrum"
},
"original": {
"type": "git",
"url": "https://spectrum-os.org/git/spectrum"
}
},
"systems": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
},
"treefmt-nix": {
"inputs": {
"nixpkgs": "nixpkgs_2"
},
"locked": {
"lastModified": 1770228511,
"narHash": "sha256-wQ6NJSuFqAEmIg2VMnLdCnUc0b7vslUohqqGGD+Fyxk=",
"owner": "numtide",
"repo": "treefmt-nix",
"rev": "337a4fe074be1042a35086f15481d763b8ddc0e7",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "treefmt-nix",
"type": "github"
}
},
"zig2nix": {
"inputs": {
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs_3"
},
"locked": {
"lastModified": 1771727470,
"narHash": "sha256-R+FuYNEJE8G4aaN8lsS+llSuvST2F2nsWdJX28MDDLw=",
"owner": "Cloudef",
"repo": "zig2nix",
"rev": "e37fbb9bfa82c7f284bf59191db44d6deea7782a",
"type": "github"
},
"original": {
"owner": "Cloudef",
"repo": "zig2nix",
"type": "github"
}
}
},
"root": "root",
"version": 7
}

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flake.nix Normal file
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{
description = "Sandboxed MicroVMs";
nixConfig = {
extra-substituters = [ "https://microvm.cachix.org" ];
extra-trusted-public-keys = [ "microvm.cachix.org-1:oXnBc6hRE3eX5rSYdRyMYXnfzcCxC7yKPTbZXALsqys=" ];
};
inputs = {
nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
microvm = {
url = "github:microvm-nix/microvm.nix";
inputs.nixpkgs.follows = "nixpkgs";
};
nullclaw.url = "github:nullclaw/nullclaw";
};
outputs = { self, nixpkgs, microvm, nullclaw }: let
system = "x86_64-linux";
in {
packages.${system} = {
cc-sandbox = self.nixosConfigurations.claude-code.config.microvm.declaredRunner;
nullclaw = self.nixosConfigurations.nullclaw.config.microvm.declaredRunner;
};
nixosConfigurations.claude-code = nixpkgs.lib.nixosSystem {
inherit system;
modules = [
microvm.nixosModules.microvm
({ pkgs, ... }: {
nixpkgs.config.allowUnfree = true;
networking.hostName = "claude-code";
users.users.root.password = "";
services.getty.autologinUser = "root";
nix.settings.experimental-features = [ "nix-command" "flakes" ];
environment.systemPackages = with pkgs; [
claude-code-bin
git
curl
vim
];
microvm = {
hypervisor = "qemu";
vcpu = 4;
mem = 4096;
socket = "claude-code.socket";
writableStoreOverlay = "/nix/.rw-store";
interfaces = [{
type = "user";
id = "usernet";
mac = "02:00:00:00:00:01";
}];
shares = [
{
proto = "9p";
tag = "ro-store";
source = "/nix/store";
mountPoint = "/nix/.ro-store";
}
{
proto = "9p";
tag = "claude-config";
source = "/home/illustris/.claude";
mountPoint = "/var/lib/claude-lower";
readOnly = true;
}
];
volumes = [{
image = "claude-code-data.img";
mountPoint = "/var/lib/claude-code";
size = 1024;
label = "claude-code-data";
}];
};
# tmpfs backing for the writable nix store overlay
fileSystems."/nix/.rw-store" = {
fsType = "tmpfs";
options = [ "size=2G" "mode=0755" ];
neededForBoot = true;
};
# Claude config: persistent overlay on top of host's ~/.claude
fileSystems."/root/.claude" = {
overlay = {
lowerdir = [ "/var/lib/claude-lower" ];
upperdir = "/var/lib/claude-code/claude-upper";
workdir = "/var/lib/claude-code/claude-work";
};
};
system.stateVersion = "24.11";
})
];
};
nixosConfigurations.nullclaw = nixpkgs.lib.nixosSystem {
inherit system;
modules = [
microvm.nixosModules.microvm
({ pkgs, ... }: {
networking.hostName = "nullclaw";
users.users.root.password = "";
services.getty.autologinUser = "root";
environment.systemPackages = [
nullclaw.packages.${system}.default
pkgs.curl
pkgs.vim
];
microvm = {
hypervisor = "qemu";
vcpu = 2;
mem = 2048;
socket = "nullclaw.socket";
interfaces = [{
type = "user";
id = "usernet";
mac = "02:00:00:00:00:02";
}];
shares = [{
proto = "9p";
tag = "ro-store";
source = "/nix/store";
mountPoint = "/nix/.ro-store";
}];
volumes = [{
image = "nullclaw-data.img";
mountPoint = "/var/lib/nullclaw";
size = 512;
label = "nullclaw-data";
}];
};
system.stateVersion = "24.11";
})
];
};
};
}