コード例 #1
0
ファイル: report.py プロジェクト: xtreme-vikram-yadav/tern
def execute_dockerfile(args):
    '''Execution path if given a dockerfile'''
    check_docker_daemon()
    logger.debug('Setting up...')
    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, msg = docker.is_build()
    if build:
        # attempt to get built image metadata
        image_tag_string = docker.get_dockerfile_image_tag()
        full_image = 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_docker_image(full_image, 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_working_dir:
            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 = 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_docker_image(base_image)
        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()
        # clean up image
        container.remove_image(base_image.repotag)
        if not args.keep_working_dir:
            clean_image_tars(base_image)
    # generate report based on what images were created
    if completed:
        generate_report(args, full_image)
    else:
        generate_report(args, base_image, stub_image)
    logger.debug('Teardown...')
    teardown()
    if not args.keep_working_dir:
        shutil.rmtree(os.path.abspath(constants.temp_folder))
コード例 #2
0
ファイル: report.py プロジェクト: vladn90/tern
def execute_dockerfile(args):
    '''Execution path if given a dockerfile'''
    logger.debug('Setting up...')
    setup(args.dockerfile)
    dockerfile_parse = False
    # try to get Docker base image metadata
    logger.debug('Loading base image...')
    base_image = load_base_image()
    logger.debug('Base image loaded...')
    # check if the base image added any notices
    if base_image.origins.is_empty():
        # load any packages from cache
        logger.debug('Looking up cache for base image layers...')
        if not common.load_from_cache(base_image):
            # load any packages using the command library
            logger.debug('Retrieving metadata using scripts from base.yml')
            container.start_container(base_image.repotag)
            common.add_base_packages(base_image)
            container.remove_container()
            logger.debug('Saving base image layers...')
            common.save_to_cache(base_image)
            cache.save()
        # attempt to get the packages for the rest of the image
        # since we only have a dockerfile, we will attempt to build the
        # image first
        # This step actually needs to go to the beginning but since
        # there is no way of tracking imported images from within
        # the docker image history, we build after importing the base image
        shell, msg = cmdlib.get_image_shell(
            cmdlib.get_base_listing(base_image.name, base_image.tag))
        if not shell:
            shell = constants.shell
        logger.debug('Building image...')
        build, msg = docker.is_build()
        if build:
            # attempt to get built image metadata
            full_image = load_full_image()
            if full_image.origins.is_empty():
                # link layer to imported base image
                full_image.set_image_import(base_image)
                if not common.load_from_cache(full_image):
                    # find packages per layer
                    container.start_container(full_image.repotag)
                    logger.debug('Retrieving metadata using scripts from '
                                 'snippets.yml')
                    docker.add_packages_from_history(full_image, shell)
                    container.remove_container()
                    # record missing layers in the cache
                    common.save_to_cache(full_image)
                    cache.save()
                logger.debug('Cleaning up...')
                container.remove_image(full_image.repotag)
                container.remove_image(base_image.repotag)
                generate_report(args, full_image)
            else:
                # we cannot extract the built image's metadata
                dockerfile_parse = True
        else:
            # we cannot build the image
            common.save_to_cache(base_image)
            dockerfile_parse = True
    else:
        # something went wrong in getting the base image
        dockerfile_parse = True
    # check if the dockerfile needs to be parsed
    if dockerfile_parse:
        cache.save()
        logger.debug('Cleaning up...')
        container.remove_image(base_image.repotag)
        logger.debug('Parsing Dockerfile to generate report...')
        stub_image = get_dockerfile_packages()
        generate_report(args, base_image, stub_image)