Function test_initramfs

cloud-hypervisor/tests/integration.rs:5088–5134

()

    #[test]
    fn test_initramfs() {
        let disk_config = UbuntuDiskConfig::new(JAMMY_IMAGE_NAME.to_string());
        let guest = Guest::new(Box::new(disk_config));
        let mut workload_path = dirs::home_dir().unwrap();
        workload_path.push("workloads");

        #[cfg(target_arch = "x86_64")]
        let mut kernels = vec![direct_kernel_boot_path()];
        #[cfg(target_arch = "aarch64")]
        let kernels = [direct_kernel_boot_path()];

        #[cfg(target_arch = "x86_64")]
        {
            let mut pvh_kernel_path = workload_path.clone();
            pvh_kernel_path.push("vmlinux-x86_64");
            kernels.push(pvh_kernel_path);
        }

        let mut initramfs_path = workload_path;
        initramfs_path.push("alpine_initramfs.img");

        let test_string = String::from("axz34i9rylotd8n50wbv6kcj7f2qushme1pg");
        let cmdline = format!("console=hvc0 quiet TEST_STRING={test_string}");

        kernels.iter().for_each(|k_path| {
            let mut child = GuestCommand::new(&guest)
                .args(["--kernel", k_path.to_str().unwrap()])
                .args(["--initramfs", initramfs_path.to_str().unwrap()])
                .args(["--cmdline", &cmdline])
                .capture_output()
                .spawn()
                .unwrap();

            thread::sleep(std::time::Duration::new(20, 0));

            kill_child(&mut child);
            let output = child.wait_with_output().unwrap();

            let r = std::panic::catch_unwind(|| {
                let s = String::from_utf8_lossy(&output.stdout);

                assert_ne!(s.lines().position(|line| line == test_string), None);
            });

            handle_child_output(r, &output);
        });
    }

    #[test]
    fn test_counters() {