Function assert_vm_overlay_root

e2e/rust/tests/smoke.rs:103–139

(sandbox_name: &str)

}

async fn assert_vm_overlay_root(sandbox_name: &str) {
    let script = concat!(
        "set -eu; ",
        "test \"$(stat -f -c %T /)\" = \"overlayfs\"; ",
        "printf \"overlay-write\\n\" > /sandbox/overlay-check; ",
        "test \"$(cat /sandbox/overlay-check)\" = \"overlay-write\"; ",
        "if [ -e /opt/openshell/tls/tls.key ]; then ",
        "test \"$(stat -c %a /opt/openshell/tls/tls.key)\" = \"600\"; ",
        "fi; ",
        "echo vm-overlay-ok",
    );

    let mut exec_cmd = openshell_cmd();
    exec_cmd
        .args(["sandbox", "exec", "--name", sandbox_name, "--no-tty", "--"])
        .arg("sh")
        .arg("-lc")
        .arg(script)
        .stdout(Stdio::piped())
        .stderr(Stdio::piped());

    let output = exec_cmd
        .output()
        .await
        .expect("failed to run VM overlay assertion");
    let combined = strip_ansi(&format!(
        "{}{}",
        String::from_utf8_lossy(&output.stdout),
        String::from_utf8_lossy(&output.stderr),
    ));

    assert!(
        output.status.success() && combined.contains("vm-overlay-ok"),
        "VM overlay assertion failed (status {:?}):\n{combined}",
        output.status.code(),
    );
}