Example #1
0
File: run.py Project: xaleeks/tern
def execute_docker_image(args):
    '''Execution path if given a Docker image'''
    logger.debug('Setting up...')
    image_string = args.docker_image
    if not args.raw_image:
        # don't check docker daemon for raw images
        container.check_docker_setup()
    else:
        image_string = args.raw_image
    report.setup(image_tag_string=image_string)
    # attempt to get built image metadata
    full_image = report.load_full_image(image_string)
    if full_image.origins.is_empty():
        # image loading was successful
        # Add an image origin here
        full_image.origins.add_notice_origin(
            formats.docker_image.format(imagetag=image_string))
        # analyze image
        analyze(full_image, args)
        # generate report
        report.report_out(args, full_image)
    else:
        # we cannot load the full image
        logger.warning('Cannot retrieve full image metadata')
    if not args.keep_wd:
        report.clean_image_tars(full_image)
    logger.debug('Teardown...')
    report.teardown()
    if not args.keep_wd:
        report.clean_working_dir()
Example #2
0
File: run.py Project: xaleeks/tern
def execute_dockerfile(args):  # noqa C901,R0912
    '''Execution path if given a dockerfile'''
    container.check_docker_setup()
    logger.debug('Setting up...')
    dfile = ''
    dfile_lock = False
    if args.name == 'report':
        dfile = args.dockerfile
    else:
        dfile = args.lock
        dfile_lock = True
    dfobj = dockerfile.get_dockerfile_obj(dfile)
    # expand potential ARG values so base image tag is correct
    dockerfile.expand_arg(dfobj)
    dockerfile.expand_vars(dfobj)
    report.setup(dfobj=dfobj)
    # attempt to build the image
    logger.debug('Building Docker image...')
    # placeholder to check if we can analyze the full image
    completed = True
    build, _ = dhelper.is_build()
    if build:
        # attempt to get built image metadata
        image_tag_string = dhelper.get_dockerfile_image_tag()
        full_image = report.load_full_image(image_tag_string)
        if full_image.origins.is_empty():
            # image loading was successful
            # Add an image origin here
            full_image.origins.add_notice_origin(
                formats.dockerfile_image.format(dockerfile=dfile))
            # analyze image
            analyze(full_image, args, dfile_lock, dfobj)
        else:
            # we cannot load the full image
            logger.warning('Cannot retrieve full image metadata')
            completed = False
        # clean up image
        container.remove_image(full_image.repotag)
        if not args.keep_wd:
            report.clean_image_tars(full_image)
    else:
        # cannot build the image
        logger.warning('Cannot build image')
        completed = False
    # check if we have analyzed the full image or not
    if not completed:
        # get the base image
        logger.debug('Loading base image...')
        base_image = report.load_base_image()
        if base_image.origins.is_empty():
            # image loading was successful
            # add a notice stating failure to build image
            base_image.origins.add_notice_to_origins(
                dfile, Notice(formats.image_build_failure, 'warning'))
            # analyze image
            analyze(base_image, args, dfile_lock, dfobj)
        else:
            # we cannot load the base image
            logger.warning('Cannot retrieve base image metadata')
        stub_image = get_dockerfile_packages()
        if args.name == 'report':
            if not args.keep_wd:
                report.clean_image_tars(base_image)
    # generate report based on what images were created
    if not dfile_lock:
        if completed:
            report.report_out(args, full_image)
        else:
            report.report_out(args, base_image, stub_image)
    else:
        logger.debug('Parsing Dockerfile to generate report...')
        output = dockerfile.create_locked_dockerfile(dfobj)
        dockerfile.write_locked_dockerfile(output, args.output_file)
    logger.debug('Teardown...')
    report.teardown()
    if args.name == 'report':
        if not args.keep_wd:
            report.clean_working_dir()
Example #3
0
def execute_dockerfile(args):
    '''Execution path if given a dockerfile'''
    container.check_docker_setup()
    logger.debug('Setting up...')
    report.setup(dockerfile=args.dockerfile)
    # attempt to build the image
    logger.debug('Building Docker image...')
    # placeholder to check if we can analyze the full image
    completed = True
    build, _ = dhelper.is_build()
    if build:
        # attempt to get built image metadata
        image_tag_string = dhelper.get_dockerfile_image_tag()
        full_image = report.load_full_image(image_tag_string)
        if full_image.origins.is_empty():
            # image loading was successful
            # Add an image origin here
            full_image.origins.add_notice_origin(
                formats.dockerfile_image.format(dockerfile=args.dockerfile))
            # analyze image
            analyze(full_image, args, True)
        else:
            # we cannot load the full image
            logger.warning('Cannot retrieve full image metadata')
            completed = False
        # clean up image
        container.remove_image(full_image.repotag)
        if not args.keep_wd:
            report.clean_image_tars(full_image)
    else:
        # cannot build the image
        logger.warning('Cannot build image')
        completed = False
    # check if we have analyzed the full image or not
    if not completed:
        # get the base image
        logger.debug('Loading base image...')
        base_image = report.load_base_image()
        if base_image.origins.is_empty():
            # image loading was successful
            # add a notice stating failure to build image
            base_image.origins.add_notice_to_origins(
                args.dockerfile, Notice(formats.image_build_failure,
                                        'warning'))
            # analyze image
            analyze(base_image, args)
        else:
            # we cannot load the base image
            logger.warning('Cannot retrieve base image metadata')
        # run through commands in the Dockerfile
        logger.debug('Parsing Dockerfile to generate report...')
        stub_image = get_dockerfile_packages()
        if not args.keep_wd:
            report.clean_image_tars(base_image)
    # generate report based on what images were created
    if completed:
        report.report_out(args, full_image)
    else:
        report.report_out(args, base_image, stub_image)
    logger.debug('Teardown...')
    report.teardown()
    if not args.keep_wd:
        report.clean_working_dir(args.bind_mount)
Example #4
0
        rootfs.prep_rootfs(target)
        # invoke commands in chroot
        # if we're looking up the snippets library
        # we should see 'snippets' in the keys
        if 'snippets' in args.keys and 'packages' in args.keys:
            # get the package info that corresponds to the package name
            # or get the default
            last = args.keys.pop()
            info_list = look_up_lib(args.keys)
            info_dict = command_lib.check_for_unique_package(
                info_list, args.package)[last]
        else:
            info_dict = look_up_lib(args.keys)
        # try to invoke the commands
        try:
            result = command_lib.get_pkg_attr_list(args.shell, info_dict,
                                                   args.package)
            print('Output list: ' + ' '.join(result[0]))
            print('Error messages: ' + result[1])
            print('Number of elements: ' + str(len(result[0])))
        except subprocess.CalledProcessError as error:
            print(error.output)
        # undo the mounts
        rootfs.undo_mount()
        rootfs.unmount_rootfs()
    else:
        print("Something when wrong in loading the image")
    report.teardown()
    report.clean_image_tars(image_obj)
    report.clean_working_dir()
Example #5
0
File: run.py Project: TTMaZa/tern
def execute_dockerfile(args):  # noqa C901,R0912
    '''Execution path if given a dockerfile'''
    dfile = ''
    dfile_lock = False
    if args.name == 'report':
        dfile = args.dockerfile
    else:
        dfile = args.lock
        dfile_lock = True
    logger.debug("Parsing Dockerfile...")
    dfobj = dockerfile.get_dockerfile_obj(dfile)
    # expand potential ARG values so base image tag is correct
    dockerfile.expand_arg(dfobj)
    dockerfile.expand_vars(dfobj)
    # Store dockerfile path and commands so we can access it during execution
    dhelper.load_docker_commands(dfobj)
    # attempt to build the image
    logger.debug('Building Docker image...')
    image_info = docker_api.build_and_dump(dfile)
    if image_info:
        # attempt to load the built image metadata
        full_image = report.load_full_image(dfile, '')
        if full_image.origins.is_empty():
            # image loading was successful
            # Add an image origin here
            full_image.origins.add_notice_origin(
                formats.dockerfile_image.format(dockerfile=dfile))
            # analyze image
            analyze(full_image, args, dfile_lock, dfobj)
            completed = True
        else:
            # we cannot analyze the full image, but maybe we can
            # analyze the base image
            logger.warning('Cannot retrieve full image metadata')
        # clean up image tarballs
        if not args.keep_wd:
            prep.clean_image_tars(full_image)
    else:
        # cannot build the image
        logger.warning('Cannot build image')
    # check if we have analyzed the full image or not
    if not completed:
        # Try to analyze the base image
        logger.debug('Analyzing base image...')
        base_image = report.load_base_image()
        if base_image.origins.is_empty():
            # image loading was successful
            # add a notice stating failure to build image
            base_image.origins.add_notice_to_origins(
                dfile, Notice(
                    formats.image_build_failure, 'warning'))
            # analyze image
            analyze(base_image, args, dfile_lock, dfobj)
        else:
            # we cannot load the base image
            logger.warning('Cannot retrieve base image metadata')
        stub_image = get_dockerfile_packages()
        if args.name == 'report':
            if not args.keep_wd:
                report.clean_image_tars(base_image)
    # generate report based on what images were created
    if not dfile_lock:
        if completed:
            report.report_out(args, full_image)
        else:
            report.report_out(args, base_image, stub_image)
    else:
        logger.debug('Parsing Dockerfile to generate report...')
        output = dockerfile.create_locked_dockerfile(dfobj)
        dockerfile.write_locked_dockerfile(output, args.output_file)
    # cleanup
    if not args.keep_wd:
        prep.clean_image_tars(full_image)