Function test_fw_cfg

cloud-hypervisor/tests/integration.rs:11553–11597

()

    #[test]
    #[cfg_attr(feature = "mshv", ignore = "See #7434")]
    fn test_fw_cfg() {
        let disk_config = UbuntuDiskConfig::new(JAMMY_IMAGE_NAME.to_string());
        let guest = Guest::new(Box::new(disk_config));
        let mut cmd = GuestCommand::new(&guest);

        let kernel_path = direct_kernel_boot_path();
        let cmd_line = DIRECT_KERNEL_BOOT_CMDLINE;

        let test_file = guest.tmp_dir.as_path().join("test-file");
        std::fs::write(&test_file, "test-file-content").unwrap();

        cmd.args(["--cpus", "boot=4"])
            .default_memory()
            .args(["--kernel", kernel_path.to_str().unwrap()])
            .args(["--cmdline", cmd_line])
            .default_disks()
            .default_net()
            .args([
                "--fw-cfg-config",
                &format!(
                    "initramfs=off,items=[name=opt/org.test/test-file,file={}]",
                    test_file.to_str().unwrap()
                ),
            ])
            .capture_output();

        let mut child = cmd.spawn().unwrap();

        let r = std::panic::catch_unwind(|| {
            guest.wait_vm_boot().unwrap();
            // Wait a while for guest
            thread::sleep(std::time::Duration::new(3, 0));
            let result = guest
                .ssh_command(
                    "sudo cat /sys/firmware/qemu_fw_cfg/by_name/opt/org.test/test-file/raw",
                )
                .unwrap();
            assert_eq!(result, "test-file-content");
        });

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

        handle_child_output(r, &output);
    }

    #[test]
    #[cfg_attr(feature = "mshv", ignore = "See #7434")]