Function test_serial_file

cloud-hypervisor/tests/integration.rs:2136–2201

()

    #[test]
    fn test_serial_file() {
        let disk_config = UbuntuDiskConfig::new(JAMMY_IMAGE_NAME.to_string());
        let guest = Guest::new(Box::new(disk_config));

        let serial_path = guest.tmp_dir.as_path().join("serial-output");
        #[cfg(target_arch = "x86_64")]
        let console_str: &str = "console=ttyS0";
        #[cfg(target_arch = "aarch64")]
        let console_str: &str = "console=ttyAMA0";

        let mut child = GuestCommand::new(&guest)
            .default_cpus()
            .default_memory()
            .args(["--kernel", direct_kernel_boot_path().to_str().unwrap()])
            .args([
                "--cmdline",
                DIRECT_KERNEL_BOOT_CMDLINE
                    .replace("console=hvc0", console_str)
                    .as_str(),
            ])
            .default_disks()
            .default_net()
            .args([
                "--serial",
                format!("file={}", serial_path.to_str().unwrap()).as_str(),
            ])
            .capture_output()
            .spawn()
            .unwrap();

        let r = std::panic::catch_unwind(|| {
            guest.wait_vm_boot().unwrap();

            // Test that there is a ttyS0
            assert_eq!(
                guest
                    .ssh_command(GREP_SERIAL_IRQ_CMD)
                    .unwrap()
                    .trim()
                    .parse::<u32>()
                    .unwrap_or_default(),
                1
            );

            guest.ssh_command("sudo shutdown -h now").unwrap();
        });

        let _ = child.wait_timeout(std::time::Duration::from_secs(20));
        kill_child(&mut child);
        let output = child.wait_with_output().unwrap();
        handle_child_output(r, &output);

        let r = std::panic::catch_unwind(|| {
            // Check that the cloud-hypervisor binary actually terminated
            assert!(output.status.success());

            // Do this check after shutdown of the VM as an easy way to ensure
            // all writes are flushed to disk