Function vm_test_runner

test/run.py:116–151

Runs a test inside a spawned QEMU VM.

(
    test_name, kernel_image, test_data_dir, cpu_mask, mem, jobs="auto", env=None
)

# If a kernel image is not provided, a linux-image-kvm image is
# downloaded to the test_data_dir
def vm_test_runner(
    test_name, kernel_image, test_data_dir, cpu_mask, mem, jobs="auto", env=None
):
    """Runs a test inside a spawned QEMU VM."""
    run_vpp_in_vm_sh = base_dir / "scripts" / "run_vpp_in_vm.sh"
    # Set the environment variables required for running a VM test
    os.environ["TEST_JOBS"] = str(jobs)
    os.environ["WS_ROOT"] = str(ws_root)
    os.environ["BR"] = env["BR"]
    os.environ["VPP_TEST_DATA_DIR"] = str(test_data_dir)
    os.environ["VPP_BUILD_DIR"] = env["VPP_BUILD_DIR"]
    os.environ["VPP_INSTALL_PATH"] = env["VPP_INSTALL_PATH"]
    os.environ["VPP_BIN"] = env["VPP_BIN"]
    os.environ["VPP_PLUGIN_PATH"] = env["VPP_PLUGIN_PATH"]
    os.environ["VPP_TEST_PLUGIN_PATH"] = env["VPP_TEST_PLUGIN_PATH"]
    os.environ["LD_LIBRARY_PATH"] = env["LD_LIBRARY_PATH"]
    os.environ["RND_SEED"] = env["RND_SEED"]
    os.environ["VENV_PATH"] = env["VENV_PATH"]
    os.environ["TAG"] = env["TAG"]
    os.environ["VPP_WORKER_COUNT"] = env["VPP_WORKER_COUNT"]
    os.environ["FAILED_DIR"] = env["FAILED_DIR"]
    os.environ["SKIP_FILTER"] = env["SKIP_FILTER"]
    if not run_vpp_in_vm_sh.is_file():
        print(f"Error: script {base_dir}/scripts/run_vpp_in_vm.sh not found.")
        sys.exit(1)
    p = Popen(
        [run_vpp_in_vm_sh, test_name, kernel_image, test_data_dir, cpu_mask, mem],
        stdout=PIPE,
        cwd=ws_root,
    )
    # Show only the test result without clobbering the stdout.
    # The VM console displays VPP stderr & Linux IPv6 netdev change
    # messages, which is logged by default and can be excluded.
    exclude_pattern = r"vpp\[\d+\]:|ADDRCONF\(NETDEV_CHANGE\):"
    show_progress(p.stdout, exclude_pattern)
    post_vm_test_run()


def post_vm_test_run():