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How to use get_template_body method in localstack

Best Python code snippet using localstack_python

test_renderers.py

Source:test_renderers.py

...54}55parameters = {"p1": "p11", "p2": "p22"}56def test_get_template_body_local_file():57    url = "examples/consumables/aws/network/vpc.mako"58    parsed_url, body = get_template_body(url)59    assert parsed_url.scheme == ""60    assert isinstance(body, str)61def test_get_template_body_http(mocker):62    url = "https://my-site.com/vpc.mako"63    mock_req = mocker.patch("requests.get")64    mock_resp = mocker.MagicMock()65    mock_req.return_value = mock_resp66    mock_resp.text = "somedata"67    parsed_url, body = get_template_body(url)68    assert parsed_url.scheme == "https"69    assert body == "somedata"70def test_get_template_body_s3(mocker):71    bucket = "my-bucket"72    filename = "vpc.mako"73    url = f"s3://{bucket}/{filename}"74    content = "somedata"75    mock_boto = mocker.patch("gpwm.renderers.boto3")76    mock_boto.resource.return_value.Object.return_value.get.return_value.__getitem__.return_value.read.return_value = content # noqa77    parsed_url, body = get_template_body(url)78    mock_boto.resource.assert_called_with("s3")79    mock_boto.resource().Object.assert_called_with(bucket, filename)80    assert parsed_url.scheme == "s3"81    assert body == content82def test_get_template_use_prefix(mocker):83    url = "vpc.mako"84    prefix = "https://my-site.com"85    mocker.patch.dict('os.environ', {"GPWM_TEMPLATE_URL_PREFIX": prefix})86    mock_req = mocker.patch("requests.get")87    mock_resp = mocker.MagicMock()88    mock_req.return_value = mock_resp89    mock_resp.text = "somedata"90    parsed_url, body = get_template_body(url)91    assert parsed_url.scheme == "https"92    assert body == "somedata"93    mock_req.assert_called_with(f"{prefix}/{url}")94def test_get_template_body_http_exception(mocker):95    url = "https://my-site.com/vpc.mako"96    mock_req = mocker.patch("requests.get")97    mock_req.side_effect = requests.exceptions.RequestException()98    with pytest.raises(SystemExit):99        parsed_url, body = get_template_body(url)100def test_get_template_body_s3_exception(mocker):101    bucket = "my-bucket"102    filename = "vpc.mako"103    url = f"s3://{bucket}/{filename}"104    content = "somedata"105    mock_boto = mocker.patch("gpwm.renderers.boto3")106#    mock_boto.meta.return_value.client.return_value.exceptions.return_value.NoSuchBucket.return_value = Exception()  # noqa107    mock_boto.resource.return_value.Object.return_value.get.side_effect = mock_boto.meta.client.exceptions.NoSuchBucket  # noqa108    print(mock_boto.meta.client.exceptions.NoSuchBucket)109    print(mock_boto.resource("s3").Object(bucket, filename).get())110#    get_template_body(url)111#    mock_boto.resource.return_value.Object.return_value.get.return_value.__getitem__.return_value.read.side_effect = "s3.meta.client.exceptions.NoSuchBucket  # noqa112#    mock_bucket_exc = mocker.patch(113#        "gpwm.renderers.boto3.resource.meta.client.exceptions.NoSuchBucket",114#    )115#    mock_bucket_exc.return_value = Exception()116#117#    mock_get = mocker.patch("gpwm.renderers.boto3.resource().Object.get",118#    #        side_effect=mock_bucket_exc)119#    )120#    mock_get.side_effect = mock_bucket_exc121#    with pytest.raises(SystemExit):122#        parsed_url, body = get_template_body(url)123def test_parse_mako(mocker):124    stack_name = "my-stack"125    parsed_template = parse_mako(stack_name, mako_template, parameters)126    # dumping to yaml to make the assert done on a string, instead of127    # handling yaml node objects in a dict128    assert yaml.dump(parsed_template) == yaml.dump(expected_parsed_dict)129    mock_engine = mocker.patch("gpwm.renderers.mako.template.Template")130    mock_engine.render.return_value = rendered_template131    mock_yaml = mocker.patch("gpwm.renderers.yaml")132    mock_yaml.load.return_value = expected_resources_dict133    parse_mako(stack_name, mako_template, parameters)134    mock_engine.assert_called_once_with(mako_template, strict_undefined=False)135    mock_engine().render.assert_called_once_with(**parameters)136    mock_yaml.load.assert_called_once_with(mock_engine().render())...

template_preparer.py

Source:template_preparer.py

...21    for k, v in NoDatesSafeLoader.yaml_implicit_resolvers.items()22}23def transform_template(req_data) -> Optional[str]:24    """only returns string when parsing SAM template, otherwise None"""25    template_body = get_template_body(req_data)26    parsed = parse_template(template_body)27    if parsed.get("Transform") == "AWS::Serverless-2016-10-31":28        policy_map = {29            # SAM Transformer expects this map to be non-empty, but apparently the content doesn't matter (?)30            "dummy": "entry"31            # 'AWSLambdaBasicExecutionRole': 'arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole',32        }33        class MockPolicyLoader(object):34            def load(self):35                return policy_map36        # Note: we need to fix boto3 region, otherwise AWS SAM transformer fails37        region_before = os.environ.get("AWS_DEFAULT_REGION")38        if boto3.session.Session().region_name is None:39            os.environ["AWS_DEFAULT_REGION"] = aws_stack.get_region()40        try:41            transformed = transform_sam(parsed, {}, MockPolicyLoader())42            return json.dumps(transformed)43        finally:44            os.environ.pop("AWS_DEFAULT_REGION", None)45            if region_before is not None:46                os.environ["AWS_DEFAULT_REGION"] = region_before47def prepare_template_body(req_data) -> Optional[str]:  # TODO: mutating and returning48    template_url = req_data.get("TemplateURL")49    if template_url:50        req_data["TemplateURL"] = convert_s3_to_local_url(template_url)51    url = req_data.get("TemplateURL", "")52    if is_local_service_url(url):53        modified_template_body = get_template_body(req_data)54        if modified_template_body:55            req_data.pop("TemplateURL", None)56            req_data["TemplateBody"] = modified_template_body57    modified_template_body = transform_template(req_data)58    if modified_template_body:59        req_data["TemplateBody"] = modified_template_body60    return modified_template_body61def validate_template(req_data):62    # TODO implement actual validation logic63    # Note: if we enable this via moto, ensure that we have cfnlint module available (adds ~58MB in size :/)64    response_content = """65        <Capabilities></Capabilities>66        <CapabilitiesReason></CapabilitiesReason>67        <DeclaredTransforms></DeclaredTransforms>68        <Description>{description}</Description>69        <Parameters>70            {parameters}71        </Parameters>72    """73    template_body = get_template_body(req_data)74    valid_template = json.loads(template_to_json(template_body))75    parameters = "".join(76        [77            """78        <member>79            <ParameterKey>{pk}</ParameterKey>80            <DefaultValue>{dv}</DefaultValue>81            <NoEcho>{echo}</NoEcho>82            <Description>{desc}</Description>83        </member>84        """.format(85                pk=k, dv=v.get("Default", ""), echo=False, desc=v.get("Description", "")86            )87            for k, v in valid_template.get("Parameters", {}).items()88        ]89    )90    resp = response_content.format(91        parameters=parameters, description=valid_template.get("Description", "")92    )93    return resp94def get_template_body(req_data):95    body = req_data.get("TemplateBody")96    if body:97        return body98    url = req_data.get("TemplateURL")99    if url:100        response = run_safe(lambda: safe_requests.get(url, verify=False))101        # check error codes, and code 301 - fixes https://github.com/localstack/localstack/issues/1884102        status_code = 0 if response is None else response.status_code103        if response is None or status_code == 301 or status_code >= 400:104            # check if this is an S3 URL, then get the file directly from there105            url = convert_s3_to_local_url(url)106            if is_local_service_url(url):107                parsed_path = urlparse(url).path.lstrip("/")108                parts = parsed_path.partition("/")...

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