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How to use get_image_for_runtime method in localstack

Best Python code snippet using localstack_python

runtime_executor.py

Source:runtime_executor.py

...49def get_code_path_for_function(function_version: FunctionVersion) -> Path:50    return get_path_for_function(function_version) / "code"51def get_image_name_for_function(function_version: FunctionVersion) -> str:52    return f"localstack/lambda-{function_version.id.qualified_arn().replace(':', '_').replace('$', '_').lower()}"53def get_image_for_runtime(runtime: str) -> str:54    runtime, version = get_runtime_split(runtime)55    return f"{IMAGE_PREFIX}{runtime}:{version}"56def get_runtime_client_path() -> Path:57    return Path(LAMBDA_RUNTIME_INIT_PATH)58def prepare_image(target_path: Path, function_version: FunctionVersion) -> None:59    if not function_version.config.runtime:60        raise NotImplementedError("Custom images are currently not supported")61    src_init = get_runtime_client_path()62    # copy init file63    target_init = target_path / "aws-lambda-rie"64    shutil.copy(src_init, target_init)65    target_init.chmod(0o755)66    # copy code67    # create dockerfile68    docker_file_path = target_path / "Dockerfile"69    docker_file = LAMBDA_DOCKERFILE.format(70        base_img=get_image_for_runtime(function_version.config.runtime),71        rapid_entrypoint=RAPID_ENTRYPOINT,72    )73    with docker_file_path.open(mode="w") as f:74        f.write(docker_file)75    try:76        CONTAINER_CLIENT.build_image(77            dockerfile_path=str(docker_file_path),78            image_name=get_image_name_for_function(function_version),79        )80    except Exception as e:81        if LOG.isEnabledFor(logging.DEBUG):82            LOG.exception(83                "Error while building prebuilt lambda image for '%s'",84                function_version.qualified_arn,85            )86        else:87            LOG.error(88                "Error while building prebuilt lambda image for '%s', Error: %s",89                function_version.qualified_arn,90                e,91            )92def prepare_version(function_version: FunctionVersion) -> None:93    if not function_version.code.zip_file:94        raise NotImplementedError("Images without zipfile are currently not supported")95    time_before = time.perf_counter()96    target_path = get_path_for_function(function_version)97    target_path.mkdir(parents=True, exist_ok=True)98    # write code to disk99    target_code = get_code_path_for_function(function_version)100    with NamedTemporaryFile() as file:101        file.write(function_version.code.zip_file)102        file.flush()103        unzip(file.name, str(target_code))104    if config.LAMBDA_PREBUILD_IMAGES:105        prepare_image(target_path, function_version)106    LOG.debug("Version preparation took %0.2fms", (time.perf_counter() - time_before) * 1000)107def cleanup_version(function_version: FunctionVersion) -> None:108    function_path = get_path_for_function(function_version)109    try:110        shutil.rmtree(function_path)111    except OSError as e:112        LOG.debug(113            "Could not cleanup function %s due to error %s while deleting file %s",114            function_version.qualified_arn,115            e.strerror,116            e.filename,117        )118    if config.LAMBDA_PREBUILD_IMAGES:119        CONTAINER_CLIENT.remove_image(get_image_name_for_function(function_version))120class LambdaRuntimeException(Exception):121    def __init__(self, message: str):122        super().__init__(message)123class RuntimeExecutor:124    id: str125    function_version: FunctionVersion126    ip: Optional[str]127    executor_endpoint: Optional[ExecutorEndpoint]128    def __init__(129        self, id: str, function_version: FunctionVersion, service_endpoint: ServiceEndpoint130    ) -> None:131        self.id = id132        self.function_version = function_version133        self.ip = None134        self.executor_endpoint = self._build_executor_endpoint(service_endpoint)135    def get_image(self) -> str:136        if not self.function_version.config.runtime:137            raise NotImplementedError("Custom images are currently not supported")138        return (139            get_image_name_for_function(self.function_version)140            if config.LAMBDA_PREBUILD_IMAGES141            else get_image_for_runtime(self.function_version.config.runtime)142        )143    def _build_executor_endpoint(self, service_endpoint: ServiceEndpoint) -> ExecutorEndpoint:144        port = get_free_tcp_port()145        LOG.debug(146            "Creating service endpoint for function %s executor %s",147            self.function_version.qualified_arn,148            self.id,149        )150        executor_endpoint = ExecutorEndpoint(port, service_endpoint=service_endpoint)151        LOG.debug(152            "Finished creating service endpoint for function %s executor %s",153            self.function_version.qualified_arn,154            self.id,155        )...

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