How to use untar_to_path method in localstack

Best Python code snippet using localstack_python

docker_utils.py

Source:docker_utils.py

...758            t.add(abs_path, arcname=arcname)759        f.seek(0)760        return f761    @staticmethod762    def untar_to_path(tardata, target_path):763        target_path = Path(target_path)764        with tarfile.open(mode="r", fileobj=io.BytesIO(b"".join(b for b in tardata))) as t:765            if target_path.is_dir():766                t.extractall(path=target_path)767            else:768                member = t.next()769                if member:770                    member.name = target_path.name771                    t.extract(member, target_path.parent)772                else:773                    LOG.debug("File to copy empty, ignoring...")774    @staticmethod775    def parse_additional_flags(776        additional_flags: str,777        env_vars: Dict[str, str] = None,778        ports: PortMappings = None,779        mounts: List[Tuple[str, str]] = None,780        network: Optional[str] = None,781    ) -> Tuple[782        Dict[str, str], PortMappings, List[Tuple[str, str]], Optional[Dict[str, str]], Optional[str]783    ]:784        """Parses environment, volume and port flags passed as string785        :param additional_flags: String which contains the flag definitions786        :param env_vars: Dict with env vars. Will be modified in place.787        :param ports: PortMapping object. Will be modified in place.788        :param mounts: List of mount tuples (host_path, container_path). Will be modified in place.789        :param network: Existing network name (optional). Warning will be printed if network is overwritten in flags.790        :return: A tuple containing the env_vars, ports, mount, extra_hosts and network objects. Will return new objects791                if respective parameters were None and additional flags contained a flag for that object, the same which792                are passed otherwise.793        """794        cur_state = None795        extra_hosts = None796        # TODO Use argparse to simplify this logic797        for flag in shlex.split(additional_flags):798            if not cur_state:799                if flag in ["-v", "--volume"]:800                    cur_state = "volume"801                elif flag in ["-p", "--publish"]:802                    cur_state = "port"803                elif flag in ["-e", "--env"]:804                    cur_state = "env"805                elif flag == "--add-host":806                    cur_state = "add-host"807                elif flag == "--network":808                    cur_state = "set-network"809                else:810                    raise NotImplementedError(811                        f"Flag {flag} is currently not supported by this Docker client."812                    )813            else:814                if cur_state == "volume":815                    mounts = mounts if mounts is not None else []816                    match = re.match(817                        r"(?P<host>[\w\s\\\/:\-.]+?):(?P<container>[\w\s\/\-.]+)(?::(?P<arg>ro|rw|z|Z))?",818                        flag,819                    )820                    if not match:821                        LOG.warning("Unable to parse volume mount Docker flags: %s", flag)822                        continue823                    host_path = match.group("host")824                    container_path = match.group("container")825                    rw_args = match.group("arg")826                    if rw_args:827                        LOG.info("Volume options like :ro or :rw are currently ignored.")828                    mounts.append((host_path, container_path))829                elif cur_state == "port":830                    port_split = flag.split(":")831                    protocol = "tcp"832                    if len(port_split) == 2:833                        host_port, container_port = port_split834                    elif len(port_split) == 3:835                        LOG.warning(836                            "Host part of port mappings are ignored currently in additional flags"837                        )838                        _, host_port, container_port = port_split839                    else:840                        raise ValueError("Invalid port string provided: %s", flag)841                    if "/" in container_port:842                        container_port, protocol = container_port.split("/")843                    ports = ports if ports is not None else PortMappings()844                    ports.add(int(host_port), int(container_port), protocol)845                elif cur_state == "env":846                    lhs, _, rhs = flag.partition("=")847                    env_vars = env_vars if env_vars is not None else {}848                    env_vars[lhs] = rhs849                elif cur_state == "add-host":850                    extra_hosts = extra_hosts if extra_hosts is not None else {}851                    hosts_split = flag.split(":")852                    extra_hosts[hosts_split[0]] = hosts_split[1]853                elif cur_state == "set-network":854                    if network:855                        LOG.warning(856                            "Overwriting Docker container network '%s' with new value '%s'",857                            network,858                            flag,859                        )860                    network = flag861                cur_state = None862        return env_vars, ports, mounts, extra_hosts, network863    @staticmethod864    def convert_mount_list_to_dict(865        mount_volumes: List[Tuple[str, str]]866    ) -> Dict[str, Dict[str, str]]:867        """Converts a List of (host_path, container_path) tuples to a Dict suitable as volume argument for docker sdk"""868        return dict(869            map(870                lambda paths: (str(paths[0]), {"bind": paths[1], "mode": "rw"}),871                mount_volumes,872            )873        )874class SdkDockerClient(ContainerClient):875    """Class for managing docker using the python docker sdk"""876    docker_client: Optional[DockerClient]877    def __init__(self):878        try:879            self.docker_client = docker.from_env()880            logging.getLogger("urllib3").setLevel(logging.INFO)881        except DockerException:882            self.docker_client = None883    def client(self):884        if self.docker_client:885            return self.docker_client886        else:887            raise ContainerException("Docker not available")888    def _read_from_sock(self, sock: socket, tty: bool):889        """Reads multiplexed messages from a socket returned by attach_socket.890        Uses the protocol specified here: https://docs.docker.com/engine/api/v1.41/#operation/ContainerAttach891        """892        stdout = b""893        stderr = b""894        for frame_type, frame_data in frames_iter(sock, tty):895            if frame_type == STDOUT:896                stdout += frame_data897            elif frame_type == STDERR:898                stderr += frame_data899            else:900                raise ContainerException("Invalid frame type when reading from socket")901        return stdout, stderr902    def _container_path_info(self, container: Container, container_path: str):903        """904        Get information about a path in the given container905        :param container: Container to be inspected906        :param container_path: Path in container907        :return: Tuple (path_exists, path_is_directory)908        """909        # Docker CLI copy uses go FileMode to determine if target is a dict or not910        # https://github.com/docker/cli/blob/e3dfc2426e51776a3263cab67fbba753dd3adaa9/cli/command/container/cp.go#L260911        # The isDir Bit is the most significant bit in the 32bit struct:912        # https://golang.org/src/os/types.go?s=2650:2683913        stats = {}914        try:915            _, stats = container.get_archive(container_path)916            target_exists = True917        except APIError:918            target_exists = False919        target_is_dir = target_exists and bool(stats["mode"] & SDK_ISDIR)920        return target_exists, target_is_dir921    def get_container_status(self, container_name: str) -> DockerContainerStatus:922        # LOG.debug("Getting container status for container: %s", container_name) #  too verbose923        try:924            container = self.client().containers.get(container_name)925            if container.status == "running":926                return DockerContainerStatus.UP927            else:928                return DockerContainerStatus.DOWN929        except NotFound:930            return DockerContainerStatus.NON_EXISTENT931        except APIError:932            raise ContainerException()933    def get_network(self, container_name: str) -> str:934        LOG.debug("Getting network type for container: %s", container_name)935        try:936            container = self.client().containers.get(container_name)937            return container.attrs["HostConfig"]["NetworkMode"]938        except NotFound:939            raise NoSuchContainer(container_name)940        except APIError:941            raise ContainerException()942    def stop_container(self, container_name: str) -> None:943        LOG.debug("Stopping container: %s", container_name)944        try:945            container = self.client().containers.get(container_name)946            container.stop(timeout=0)947        except NotFound:948            raise NoSuchContainer(container_name)949        except APIError:950            raise ContainerException()951    def remove_container(self, container_name: str, force=True, check_existence=False) -> None:952        LOG.debug("Removing container: %s", container_name)953        if check_existence and container_name not in self.get_running_container_names():954            LOG.debug("Aborting removing due to check_existence check")955            return956        try:957            container = self.client().containers.get(container_name)958            container.remove(force=force)959        except NotFound:960            if not force:961                raise NoSuchContainer(container_name)962        except APIError:963            raise ContainerException()964    def list_containers(self, filter: Union[List[str], str, None] = None, all=True) -> List[dict]:965        if filter:966            filter = [filter] if isinstance(filter, str) else filter967            filter = dict([f.split("=", 1) for f in filter])968        LOG.debug("Listing containers with filters: %s", filter)969        try:970            container_list = self.client().containers.list(filters=filter, all=all)971            return list(972                map(973                    lambda container: {974                        "id": container.id,975                        "image": container.image,976                        "name": container.name,977                        "status": container.status,978                        "labels": container.labels,979                    },980                    container_list,981                )982            )983        except APIError:984            raise ContainerException()985    def copy_into_container(986        self, container_name: str, local_path: str, container_path: str987    ) -> None:  # TODO behave like https://docs.docker.com/engine/reference/commandline/cp/988        LOG.debug("Copying file %s into %s:%s", local_path, container_name, container_path)989        try:990            container = self.client().containers.get(container_name)991            target_exists, target_isdir = self._container_path_info(container, container_path)992            target_path = container_path if target_isdir else os.path.dirname(container_path)993            with Util.tar_path(local_path, container_path, is_dir=target_isdir) as tar:994                container.put_archive(target_path, tar)995        except NotFound:996            raise NoSuchContainer(container_name)997        except APIError:998            raise ContainerException()999    def copy_from_container(1000        self,1001        container_name: str,1002        local_path: str,1003        container_path: str,1004    ) -> None:1005        LOG.debug("Copying file from %s:%s to %s", container_name, container_path, local_path)1006        try:1007            container = self.client().containers.get(container_name)1008            bits, _ = container.get_archive(container_path)1009            Util.untar_to_path(bits, local_path)1010        except NotFound:1011            raise NoSuchContainer(container_name)1012        except APIError:1013            raise ContainerException()1014    def pull_image(self, docker_image: str) -> None:1015        LOG.debug("Pulling image: %s", docker_image)1016        # some path in the docker image string indicates a custom repository1017        path_split = docker_image.rpartition("/")1018        image_split = path_split[2].partition(":")1019        repository = f"{path_split[0]}{path_split[1]}{image_split[0]}"1020        tag = image_split[2]1021        try:1022            LOG.debug("Repository: %s Tag: %s", repository, tag)1023            self.client().images.pull(repository, tag)...

docker_sdk_client.py

Source:docker_sdk_client.py

...176        LOG.debug("Copying file from %s:%s to %s", container_name, container_path, local_path)177        try:178            container = self.client().containers.get(container_name)179            bits, _ = container.get_archive(container_path)180            Util.untar_to_path(bits, local_path)181        except NotFound:182            raise NoSuchContainer(container_name)183        except APIError:184            raise ContainerException()185    def pull_image(self, docker_image: str) -> None:186        LOG.debug("Pulling Docker image: %s", docker_image)187        # some path in the docker image string indicates a custom repository188        try:189            self.client().images.pull(docker_image)190        except ImageNotFound:191            raise NoSuchImage(docker_image)192        except APIError:193            raise ContainerException()194    def push_image(self, docker_image: str) -> None:...

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