def test_can_generate_layer_package(self):
function = create_function_resource('myfunction')
function.managed_layer = models.LambdaLayer(
resource_name='managed-layer',
layer_name='appname-dev-managed-layer',
runtime='python2.7',
deployment_package=models.DeploymentPackage(
models.Placeholder.BUILD_STAGE))
lambda_packager = mock.Mock(spec=packager.BaseLambdaDeploymentPackager)
layer_packager = mock.Mock(spec=packager.BaseLambdaDeploymentPackager)
lambda_packager.create_deployment_package.return_value = 'package.zip'
layer_packager.create_deployment_package.return_value = (
'package-layer.zip')
config = Config.create(project_dir='.')
p = ManagedLayerDeploymentPackager(lambda_packager, layer_packager)
p.handle(config, function.managed_layer)
p.handle(config, function)
assert function.deployment_package.filename == 'package.zip'
lambda_packager.create_deployment_package.assert_called_with(
'.', config.lambda_python_version)
assert function.managed_layer.deployment_package.filename == (
'package-layer.zip')
layer_packager.create_deployment_package.assert_called_with(
'.', config.lambda_python_version)
def test_can_build_single_lambda_function_app_with_managed_layer(
self, sample_app_lambda_only):
# This is the simplest configuration we can get.
builder = ApplicationGraphBuilder()
config = self.create_config(sample_app_lambda_only,
iam_role_arn='role:arn',
automatic_layer=True)
application = builder.build(config, stage_name='dev')
# The top level resource is always an Application.
assert isinstance(application, models.Application)
assert len(application.resources) == 1
assert application.resources[0] == models.LambdaFunction(
resource_name='myfunction',
function_name='lambda-only-dev-myfunction',
environment_variables={},
runtime=config.lambda_python_version,
handler='app.myfunction',
tags=config.tags,
timeout=None,
memory_size=None,
deployment_package=models.DeploymentPackage(
models.Placeholder.BUILD_STAGE),
role=models.PreCreatedIAMRole('role:arn'),
security_group_ids=[],
subnet_ids=[],
layers=[],
managed_layer=models.LambdaLayer(
resource_name='managed-layer',
layer_name='lambda-only-dev-managed-layer',
runtime=config.lambda_python_version,
deployment_package=models.DeploymentPackage(
models.Placeholder.BUILD_STAGE, )),
reserved_concurrency=None,
xray=None,
)
def test_managed_layer_removed_if_no_deps(self):
function = create_function_resource('myfunction')
function.managed_layer = models.LambdaLayer(
resource_name='managed-layer',
layer_name='appname-dev-managed-layer',
runtime='python2.7',
deployment_package=models.DeploymentPackage(
models.Placeholder.BUILD_STAGE
)
)
lambda_packager = mock.Mock(spec=packager.BaseLambdaDeploymentPackager)
layer_packager = mock.Mock(spec=packager.BaseLambdaDeploymentPackager)
lambda_packager.create_deployment_package.return_value = 'package.zip'
layer_packager.create_deployment_package.side_effect = \
packager.EmptyPackageError()
config = Config.create(project_dir='.')
p = ManagedLayerDeploymentPackager(lambda_packager, layer_packager)
p.handle(config, function.managed_layer)
p.handle(config, function)
# If the deployment package for layers would result in an empty
# deployment package, we expect that resource to be removed, it can't
# be created on the service.
assert function.managed_layer is None
def _get_managed_lambda_layer(self, config):
# type: (Config) -> Optional[models.LambdaLayer]
if not config.automatic_layer:
return None
if self._managed_layer is None:
self._managed_layer = models.LambdaLayer(
resource_name='managed-layer',
layer_name='%s-%s-%s' %
(config.app_name, config.chalice_stage, 'managed-layer'),
runtime=config.lambda_python_version,
deployment_package=models.DeploymentPackage(
models.Placeholder.BUILD_STAGE))
return self._managed_layer
def test_layer_package_not_generated_if_filename_populated(self):
generator = mock.Mock(spec=packager.BaseLambdaDeploymentPackager)
function = create_function_resource('myfunction')
layer = models.LambdaLayer(resource_name='layer',
layer_name='name',
runtime='python2.7',
deployment_package=models.DeploymentPackage(
filename='original.zip'))
function.managed_layer = layer
config = Config.create(project_dir='.')
p = ManagedLayerDeploymentPackager(None, generator)
p.handle(config, layer)
assert layer.deployment_package.filename == 'original.zip'
assert not generator.create_deployment_package.called
