class StackActionHandler(object):
def __init__(self, config):
self.logger = get_logger(root=True)
self.config = config
self.cfn = CloudFormation(region=self.config.region)
self.parameter_resolver = ParameterResolver(region=self.config.region)
self.cli_parameters = config.cli_params
def create_or_update_stacks(self):
existing_stacks = self.cfn.get_stack_names()
desired_stacks = self.config.stacks
stack_processing_order = DependencyResolver().get_stack_order(desired_stacks)
if len(stack_processing_order) > 1:
self.logger.info(
"Will process stacks in the following order: {0}".format(", ".join(stack_processing_order)))
for stack_name in stack_processing_order:
stack_config = self.config.stacks.get(stack_name)
raw_template = FileLoader.get_file_from_url(stack_config.template_url, stack_config.working_dir)
template = CloudFormationTemplateTransformer.transform_template(raw_template)
parameters = self.parameter_resolver.resolve_parameter_values(stack_config.parameters, stack_name)
merged_parameters = self.parameter_resolver.update_parameters_with_cli_parameters(
parameters=parameters,
cli_parameters=self.cli_parameters,
stack_name=stack_name)
stack = CloudFormationStack(template=template, parameters=merged_parameters, tags=self.config.tags,
name=stack_name, region=self.config.region, timeout=stack_config.timeout)
if stack_name in existing_stacks:
self.cfn.validate_stack_is_ready_for_action(stack)
self.cfn.update_stack(stack)
else:
self.cfn.create_stack(stack)
CustomResourceHandler.process_post_resources(stack)
def delete_stacks(self):
existing_stacks = self.cfn.get_stack_names()
stacks = self.config.stacks
stack_processing_order = DependencyResolver().get_stack_order(stacks)
stack_processing_order.reverse()
self.logger.info("Will delete stacks in the following order: {0}".format(", ".join(stack_processing_order)))
for stack_name in stack_processing_order:
if stack_name in existing_stacks:
stack = CloudFormationStack(None, None, stack_name, None, None)
self.cfn.validate_stack_is_ready_for_action(stack)
self.cfn.delete_stack(stack)
else:
self.logger.info("Stack {0} is already deleted".format(stack_name))
def test_validate_stack_is_ready_for_action_passes_if_stack_is_in_rollback_complete_state(self, get_stack_mock):
stack_mock = Mock()
stack_mock.stack_name = "my-stack"
stack_mock.stack_status = "ROLLBACK_COMPLETE"
get_stack_mock.return_value = stack_mock
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
cfn.validate_stack_is_ready_for_action(stack)
def test_validate_stack_is_ready_for_action_passes_if_stack_is_in_rollback_complete_state(self, get_stack_mock):
stack_mock = Mock()
stack_mock.stack_name = "my-stack"
stack_mock.stack_status = "ROLLBACK_COMPLETE"
get_stack_mock.return_value = stack_mock
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
cfn.validate_stack_is_ready_for_action(stack)
def test_validate_stack_is_ready_for_action_raises_proper_exception_on_boto_error(self, cloudformation_mock):
cloudformation_mock.return_value.describe_stacks.side_effect = BotoServerError('400', 'Bad Request')
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
with self.assertRaises(CfnSphereBotoError):
cfn.validate_stack_is_ready_for_action(stack)
cloudformation_mock.return_value.describe_stacks.assert_called_once_with('my-stack')
def test_validate_stack_is_ready_for_action_raises_exception_on_create_in_progress(self, get_stack_mock):
stack_mock = Mock()
stack_mock.stack_name = "my-stack"
stack_mock.stack_status = "CREATE_IN_PROGRESS"
get_stack_mock.return_value = stack_mock
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
with self.assertRaises(CfnStackActionFailedException):
cfn.validate_stack_is_ready_for_action(stack)
def test_validate_stack_is_ready_for_action_raises_exception_on_create_in_progress(self, get_stack_mock):
stack_mock = Mock()
stack_mock.stack_name = "my-stack"
stack_mock.stack_status = "CREATE_IN_PROGRESS"
get_stack_mock.return_value = stack_mock
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
with self.assertRaises(CfnStackActionFailedException):
cfn.validate_stack_is_ready_for_action(stack)
def test_validate_stack_is_ready_for_action_raises_exception_on_unknown_stack_state(self, get_stack_mock):
stack_mock = Mock()
stack_mock.stack_name = "my-stack"
stack_mock.stack_status = "FOO"
get_stack_mock.return_value = stack_mock
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
with self.assertRaises(CfnStackActionFailedException):
cfn.validate_stack_is_ready_for_action(stack)
def test_validate_stack_is_ready_for_action_raises_exception_on_unknown_stack_state(self, get_stack_mock):
stack_mock = Mock()
stack_mock.stack_name = "my-stack"
stack_mock.stack_status = "FOO"
get_stack_mock.return_value = stack_mock
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
with self.assertRaises(CfnStackActionFailedException):
cfn.validate_stack_is_ready_for_action(stack)
def test_validate_stack_is_ready_for_action_raises_proper_exception_on_boto_error(
self, cloudformation_mock):
cloudformation_mock.return_value.describe_stacks.side_effect = BotoServerError(
'400', 'Bad Request')
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
with self.assertRaises(CfnSphereBotoError):
cfn.validate_stack_is_ready_for_action(stack)
cloudformation_mock.return_value.describe_stacks.assert_called_once_with(
'my-stack')
def test_validate_stack_is_ready_for_action_raises_proper_exception_on_boto_error(self, get_stack_mock):
get_stack_mock.side_effect = CfnSphereBotoError(None)
stack_mock = Mock()
stack_mock.stack_name = "my-stack"
stack_mock.stack_status = "UPDATE_COMPLETE"
get_stack_mock.return_value = stack_mock
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
with self.assertRaises(CfnSphereBotoError):
cfn.validate_stack_is_ready_for_action(stack)
def test_validate_stack_is_ready_for_action_passes_if_stack_is_in_good_state(self, cloudformation_mock):
describe_stack_mock = Mock()
describe_stack_mock.stack_status = "UPDATE_COMPLETE"
describe_stack_mock.stack_name = "my-stack"
cloudformation_mock.return_value.describe_stacks.return_value = [describe_stack_mock]
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
cfn.validate_stack_is_ready_for_action(stack)
cloudformation_mock.return_value.describe_stacks.assert_called_once_with('my-stack')
def test_validate_stack_is_ready_for_action_raises_proper_exception_on_boto_error(self, get_stack_mock):
get_stack_mock.side_effect = CfnSphereBotoError(None)
stack_mock = Mock()
stack_mock.stack_name = "my-stack"
stack_mock.stack_status = "UPDATE_COMPLETE"
get_stack_mock.return_value = stack_mock
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
with self.assertRaises(CfnSphereBotoError):
cfn.validate_stack_is_ready_for_action(stack)
def test_validate_stack_is_ready_for_action_raises_exception_on_bad_stack_state(self, cloudformation_mock):
describe_stack_mock = Mock()
describe_stack_mock.stack_status = "UPDATE_IN_PROGRESS"
describe_stack_mock.stack_name = "my-stack"
cloudformation_mock.return_value.describe_stacks.return_value = [describe_stack_mock]
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
with self.assertRaises(CfnStackActionFailedException):
cfn.validate_stack_is_ready_for_action(stack)
cloudformation_mock.return_value.describe_stacks.assert_called_once_with('my-stack')
def test_validate_stack_is_ready_for_action_passes_if_stack_is_in_good_state(
self, cloudformation_mock):
describe_stack_mock = Mock()
describe_stack_mock.stack_status = "UPDATE_COMPLETE"
describe_stack_mock.stack_name = "my-stack"
cloudformation_mock.return_value.describe_stacks.return_value = [
describe_stack_mock
]
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
cfn.validate_stack_is_ready_for_action(stack)
cloudformation_mock.return_value.describe_stacks.assert_called_once_with(
'my-stack')
def test_validate_stack_is_ready_for_action_raises_exception_on_bad_stack_state(
self, cloudformation_mock):
describe_stack_mock = Mock()
describe_stack_mock.stack_status = "UPDATE_IN_PROGRESS"
describe_stack_mock.stack_name = "my-stack"
cloudformation_mock.return_value.describe_stacks.return_value = [
describe_stack_mock
]
stack = CloudFormationStack('', [], 'my-stack', 'my-region')
cfn = CloudFormation()
with self.assertRaises(CfnStackActionFailedException):
cfn.validate_stack_is_ready_for_action(stack)
cloudformation_mock.return_value.describe_stacks.assert_called_once_with(
'my-stack')
class StackActionHandler(object):
def __init__(self, config):
self.logger = get_logger(root=True)
self.config = config
self.region = config.region
self.cfn = CloudFormation(region=self.region)
self.parameter_resolver = ParameterResolver(region=self.region)
def create_or_update_stacks(self):
existing_stacks = self.cfn.get_stack_names()
desired_stacks = self.config.stacks
stack_processing_order = DependencyResolver().get_stack_order(
desired_stacks)
if len(stack_processing_order) > 1:
self.logger.info(
"Will process stacks in the following order: {0}".format(
", ".join(stack_processing_order)))
for stack_name in stack_processing_order:
stack_config = self.config.stacks.get(stack_name)
raw_template = FileLoader.get_file_from_url(
stack_config.template_url, stack_config.working_dir)
template = CloudFormationTemplateTransformer.transform_template(
raw_template)
parameters = self.parameter_resolver.resolve_parameter_values(
stack_config.parameters, stack_name)
stack = CloudFormationStack(template=template,
parameters=parameters,
tags=(stack_config.tags),
name=stack_name,
region=self.region,
timeout=stack_config.timeout)
if stack_name in existing_stacks:
self.cfn.validate_stack_is_ready_for_action(stack)
self.cfn.update_stack(stack)
else:
self.cfn.create_stack(stack)
CustomResourceHandler.process_post_resources(stack)
def delete_stacks(self):
existing_stacks = self.cfn.get_stack_names()
stacks = self.config.stacks
stack_processing_order = DependencyResolver().get_stack_order(stacks)
stack_processing_order.reverse()
self.logger.info(
"Will delete stacks in the following order: {0}".format(
", ".join(stack_processing_order)))
for stack_name in stack_processing_order:
if stack_name in existing_stacks:
stack = CloudFormationStack(None, None, stack_name, None, None)
self.cfn.validate_stack_is_ready_for_action(stack)
self.cfn.delete_stack(stack)
else:
self.logger.info(
"Stack {0} is already deleted".format(stack_name))
class StackActionHandler(object):
def __init__(self, config):
self.logger = get_logger(root=True)
self.config = config
self.cfn = CloudFormation(region=self.config.region)
self.parameter_resolver = ParameterResolver(region=self.config.region)
self.cli_parameters = config.cli_params
def create_or_update_stacks(self):
existing_stacks = self.cfn.get_stack_names()
desired_stacks = self.config.stacks
stack_processing_order = DependencyResolver().get_stack_order(desired_stacks)
if len(stack_processing_order) > 1:
self.logger.info(
"Will process stacks in the following order: {0}".format(", ".join(stack_processing_order))
)
for stack_name in stack_processing_order:
stack_config = self.config.stacks.get(stack_name)
if stack_config.stack_policy_url:
self.logger.info("Using stack policy from {0}".format(stack_config.stack_policy_url))
stack_policy = FileLoader.get_yaml_or_json_file(stack_config.stack_policy_url, stack_config.working_dir)
else:
stack_policy = None
template = TemplateHandler.get_template(stack_config.template_url, stack_config.working_dir)
parameters = self.parameter_resolver.resolve_parameter_values(stack_name, stack_config, self.cli_parameters)
stack = CloudFormationStack(
template=template,
parameters=parameters,
tags=stack_config.tags,
name=stack_name,
region=self.config.region,
timeout=stack_config.timeout,
service_role=stack_config.service_role,
stack_policy=stack_policy,
failure_action=stack_config.failure_action,
)
if stack_name in existing_stacks:
self.cfn.validate_stack_is_ready_for_action(stack)
self.cfn.update_stack(stack)
else:
self.cfn.create_stack(stack)
CustomResourceHandler.process_post_resources(stack)
def delete_stacks(self):
existing_stacks = self.cfn.get_stack_names()
stacks = self.config.stacks
stack_processing_order = DependencyResolver().get_stack_order(stacks)
stack_processing_order.reverse()
self.logger.info("Will delete stacks in the following order: {0}".format(", ".join(stack_processing_order)))
for stack_name in stack_processing_order:
stack_config = self.config.stacks.get(stack_name)
if stack_name in existing_stacks:
stack = CloudFormationStack(None, None, stack_name, None, None, service_role=stack_config.service_role)
self.cfn.validate_stack_is_ready_for_action(stack)
self.cfn.delete_stack(stack)
else:
self.logger.info("Stack {0} is already deleted".format(stack_name))
class StackActionHandler(object):
def __init__(self, config):
self.logger = get_logger(root=True)
self.config = config
self.cfn = CloudFormation(region=self.config.region)
self.parameter_resolver = ParameterResolver(region=self.config.region)
self.cli_parameters = config.cli_params
def create_or_update_stacks(self):
existing_stacks = self.cfn.get_stack_names()
desired_stacks = self.config.stacks
stack_processing_order = DependencyResolver().get_stack_order(
desired_stacks)
if len(stack_processing_order) > 1:
self.logger.info(
"Will process stacks in the following order: {0}".format(
", ".join(stack_processing_order)))
for stack_name in stack_processing_order:
stack_config = self.config.stacks.get(stack_name)
if stack_config.stack_policy_url:
self.logger.info("Using stack policy from {0}".format(
stack_config.stack_policy_url))
stack_policy = FileLoader.get_yaml_or_json_file(
stack_config.stack_policy_url, stack_config.working_dir)
else:
stack_policy = None
template = TemplateHandler.get_template(stack_config.template_url,
stack_config.working_dir)
parameters = self.parameter_resolver.resolve_parameter_values(
stack_name, stack_config, self.cli_parameters)
stack = CloudFormationStack(
template=template,
parameters=parameters,
tags=stack_config.tags,
name=stack_name,
region=self.config.region,
timeout=stack_config.timeout,
service_role=stack_config.service_role,
stack_policy=stack_policy,
failure_action=stack_config.failure_action)
if stack_name in existing_stacks:
self.cfn.validate_stack_is_ready_for_action(stack)
self.cfn.update_stack(stack)
else:
self.cfn.create_stack(stack)
def delete_stacks(self):
existing_stacks = self.cfn.get_stack_names()
stacks = self.config.stacks
stack_processing_order = DependencyResolver().get_stack_order(stacks)
stack_processing_order.reverse()
self.logger.info(
"Will delete stacks in the following order: {0}".format(
", ".join(stack_processing_order)))
for stack_name in stack_processing_order:
stack_config = self.config.stacks.get(stack_name)
if stack_name in existing_stacks:
stack = CloudFormationStack(
None,
None,
stack_name,
None,
None,
service_role=stack_config.service_role)
self.cfn.validate_stack_is_ready_for_action(stack)
self.cfn.delete_stack(stack)
else:
self.logger.info(
"Stack {0} is already deleted".format(stack_name))
class StackActionHandler(object):
def __init__(self, config, dry_run=False):
self.logger = get_logger(root=True)
self.config = config
self.cfn = CloudFormation(region=self.config.region, dry_run=dry_run)
self.parameter_resolver = ParameterResolver(self.cfn,
region=self.config.region)
self.cli_parameters = config.cli_params
def execute_change_set(self):
print('executing change set')
print(self.config.change_set)
change_set = self.cfn.get_change_set(self.config.change_set)
if change_set is None:
raise CfnStackActionFailedException(
"Could not execute change set {0}: Does not exist or is in an invalid state."
.format(self.config.change_set))
stack_name = self.cfn.get_stack_name_by_arn(change_set['StackId'])
stack = self.cfn.get_stack(stack_name)
if not self.cfn.change_set_is_executable(change_set):
raise CfnStackActionFailedException(
"Could not execute change set {0}: Does not exist or is in an invalid state."
.format(self.config.change_set))
else:
self.cfn.execute_change_set(stack, self.config.change_set)
def create_change_set(self):
existing_stacks = self.cfn.get_stack_names()
desired_stacks = self.config.stacks
stack_processing_order = DependencyResolver().get_stack_order(
desired_stacks)
if len(stack_processing_order) > 1:
self.logger.info(
"Will process stacks in the following order: {0}".format(
", ".join(stack_processing_order)))
for stack_name in stack_processing_order:
stack_config = self.config.stacks.get(stack_name)
if stack_config.stack_policy_url:
self.logger.info("Using stack policy from {0}".format(
stack_config.stack_policy_url))
stack_policy = FileLoader.get_yaml_or_json_file(
stack_config.stack_policy_url, stack_config.working_dir)
else:
stack_policy = None
template = TemplateHandler.get_template(
stack_config.template_url, stack_config.working_dir,
self.config.region, stack_config.package_bucket)
parameters = self.parameter_resolver.resolve_parameter_values(
stack_name, stack_config, self.cli_parameters)
stack = CloudFormationStack(
template=template,
parameters=parameters,
tags=stack_config.tags,
name=stack_name,
region=self.config.region,
timeout=stack_config.timeout,
service_role=stack_config.service_role,
stack_policy=stack_policy,
failure_action=stack_config.failure_action)
if stack_name in existing_stacks:
self.cfn.create_change_set(stack, 'UPDATE')
else:
self.cfn.create_change_set(stack, 'CREATE')
def create_or_update_stacks(self):
existing_stacks = self.cfn.get_stack_names()
desired_stacks = self.config.stacks
stack_processing_order = DependencyResolver().get_stack_order(
desired_stacks)
if len(stack_processing_order) > 1:
self.logger.info(
"Will process stacks in the following order: {0}".format(
", ".join(stack_processing_order)))
for stack_name in stack_processing_order:
stack_config = self.config.stacks.get(stack_name)
if stack_config.stack_policy_url:
self.logger.info("Using stack policy from {0}".format(
stack_config.stack_policy_url))
stack_policy = FileLoader.get_yaml_or_json_file(
stack_config.stack_policy_url, stack_config.working_dir)
else:
stack_policy = None
template = TemplateHandler.get_template(
stack_config.template_url, stack_config.working_dir,
self.config.region, stack_config.package_bucket)
parameters = self.parameter_resolver.resolve_parameter_values(
stack_name, stack_config, self.cli_parameters)
stack = CloudFormationStack(
template=template,
parameters=parameters,
tags=stack_config.tags,
name=stack_name,
region=self.config.region,
timeout=stack_config.timeout,
service_role=stack_config.service_role,
stack_policy=stack_policy,
failure_action=stack_config.failure_action)
if stack_name in existing_stacks:
self.cfn.validate_stack_is_ready_for_action(stack)
self.cfn.update_stack(stack)
else:
self.cfn.create_stack(stack)
def delete_stacks(self):
existing_stacks = self.cfn.get_stack_names()
stacks = self.config.stacks
stack_processing_order = DependencyResolver().get_stack_order(stacks)
stack_processing_order.reverse()
self.logger.info(
"Will delete stacks in the following order: {0}".format(
", ".join(stack_processing_order)))
for stack_name in stack_processing_order:
stack_config = self.config.stacks.get(stack_name)
if stack_name in existing_stacks:
stack = CloudFormationStack(
None,
None,
stack_name,
None,
None,
service_role=stack_config.service_role)
self.cfn.validate_stack_is_ready_for_action(stack)
self.cfn.delete_stack(stack)
else:
self.logger.info(
"Stack {0} is already deleted".format(stack_name))
