Files
KF-OnlineJudge/judge/crates/sandbox/tests/managed_cpu_vm.rs
T

112 lines
4.4 KiB
Rust

#![cfg(all(target_os = "linux", feature = "vm-acceptance"))]
//! Run in a separate guest with AVX2 masked, using the ordinary Root binary.
#[allow(dead_code)]
mod support;
use kf_contracts::judging_v2::RuntimeIdentity;
use kf_sandbox::{
image::{ImageCatalog, catalog_digest},
profiles,
runtime::ImageKind,
spec::{ExecutionProfile, ExecutionSpec, InputArtifact, ResourceLimits},
};
use std::{fs, os::unix::fs::PermissionsExt, path::PathBuf, process::Command};
#[test]
#[ignore = "independent capped VM, actual CPU lacks AVX2; no host runtime execution"]
fn insufficient_actual_cpu_refuses_before_image_execution() {
support::require_vm();
assert!(!std::is_x86_feature_detected!("avx2"));
let dir = PathBuf::from(format!("/kf/cpu-refusal-{}", std::process::id()));
fs::create_dir(&dir).unwrap();
fs::set_permissions(&dir, fs::Permissions::from_mode(0o700)).unwrap();
for name in ["inputs", "outputs"] {
fs::create_dir(dir.join(name)).unwrap();
}
let mut root = support::Root::new();
root.config.max_concurrent_runs = 1;
root.config.identities.count = 1;
root.config.image_kind = ImageKind::LinuxCPython313X86_64V1;
root.config.image_root = "/var/lib/kf-judge/images/python313".into();
let data = fs::read(format!("{}/manifest.json", root.config.image_root)).unwrap();
let catalog: ImageCatalog = serde_json::from_slice(&data).unwrap();
assert_eq!(catalog.architecture, "x86_64_v3");
let identity = RuntimeIdentity {
toolchain_id: catalog.toolchain_id.clone(),
image_kind: catalog.image_kind,
image_revision: catalog.image_revision,
image_digest: catalog_digest(&data),
runtime_version: catalog.runtime_version.clone(),
};
catalog.validate(&identity).unwrap();
root.config.runtime_identity = Some(identity.clone());
root.config.clone().validate().unwrap();
let limits = ResourceLimits::for_profile(ExecutionProfile::PythonRun);
let request = ExecutionSpec {
schema_version: kf_contracts::SchemaVersion,
runtime_identity: Some(identity),
run_id: "cpu-unsupported".into(),
profile: ExecutionProfile::PythonRun,
argv: profiles::argv(ExecutionProfile::PythonRun, &limits).unwrap(),
env: Default::default(),
cwd: ".".into(),
inputs: vec![InputArtifact {
artifact_id: "source".into(),
path: "main.py".into(),
}],
stdin_artifact: None,
outputs: vec![],
limits,
};
request
.clone()
.validate(&root.validated().spec_policy())
.unwrap();
for (name, bytes) in [
("runtime.json", serde_json::to_vec(&root.config).unwrap()),
("spec.json", serde_json::to_vec(&request).unwrap()),
(
"inputs/source",
b"raise AssertionError('incompatible runtime executed')\n".to_vec(),
),
] {
fs::write(dir.join(name), bytes).unwrap();
fs::set_permissions(dir.join(name), fs::Permissions::from_mode(0o600)).unwrap();
}
let output = Command::new(std::env::var_os("KF_SANDBOX_PRODUCTION_BIN").unwrap())
.env_clear()
.args(["run", "--config"])
.arg(dir.join("runtime.json"))
.arg("--spec")
.arg(dir.join("spec.json"))
.arg("--artifacts")
.arg(dir.join("inputs"))
.arg("--output")
.arg(dir.join("outputs"))
.output()
.unwrap();
assert_eq!(output.status.code(), Some(2));
assert!(output.stdout.is_empty());
let refused: serde_json::Value = serde_json::from_slice(&output.stderr).unwrap();
assert_eq!(refused["error"], "runtime_not_ready");
assert!(refused["cleanup_failure"].is_null());
assert_eq!(fs::read_dir(dir.join("outputs")).unwrap().count(), 0);
for name in ["tasks", "identities", "captures"] {
let path = PathBuf::from("/var/lib/kf-judge").join(name);
if path.exists() {
assert_eq!(fs::read_dir(path).unwrap().count(), 0);
}
}
assert!(
!fs::read_dir(&root.path).unwrap().any(|entry| entry
.unwrap()
.file_type()
.unwrap()
.is_dir())
);
println!(
"KF_ACTUAL_CPU_REFUSAL_PROOF {}",
serde_json::json!({"actual_avx2":false,"image_architecture":catalog.architecture,"identity":request.runtime_identity,"refusal":refused,"publication_empty":true,"owned_resources_zero":true})
);
fs::remove_dir_all(dir).unwrap();
}