def _construct_stack(self, rel_path, stack_group_config=None):
"""
Constructs an individual Stack object from a config path and a
base config.
:param rel_path: A relative config file path.
:type rel_path: str
:param stack_group_config: The Stack group config to use as defaults.
:type stack_group_config: dict
:returns: Stack object
:rtype: sceptre.stack.Stack
"""
directory, filename = path.split(rel_path)
if filename == self.context.config_file:
pass
self.templating_vars["stack_group_config"] = stack_group_config
parsed_stack_group_config = self._parsed_stack_group_config(
stack_group_config)
config = self.read(rel_path, stack_group_config)
stack_name = path.splitext(rel_path)[0]
# Check for missing mandatory attributes
for required_key in REQUIRED_KEYS:
if required_key not in config:
raise InvalidConfigFileError(
"Required attribute '{0}' not found in configuration of '{1}'."
.format(required_key, stack_name))
abs_template_path = path.join(self.context.project_path,
self.context.templates_path,
sceptreise_path(config["template_path"]))
s3_details = self._collect_s3_details(stack_name, config)
stack = Stack(name=stack_name,
project_code=config["project_code"],
template_path=abs_template_path,
region=config["region"],
template_bucket_name=config.get("template_bucket_name"),
template_key_prefix=config.get("template_key_prefix"),
required_version=config.get("required_version"),
iam_role=config.get("iam_role"),
profile=config.get("profile"),
parameters=config.get("parameters", {}),
sceptre_user_data=config.get("sceptre_user_data", {}),
hooks=config.get("hooks", {}),
s3_details=s3_details,
dependencies=config.get("dependencies", []),
role_arn=config.get("role_arn"),
protected=config.get("protect", False),
tags=config.get("stack_tags", {}),
external_name=config.get("stack_name"),
notifications=config.get("notifications"),
on_failure=config.get("on_failure"),
stack_timeout=config.get("stack_timeout", 0),
stack_group_config=parsed_stack_group_config)
del self.templating_vars["stack_group_config"]
return stack
def __init__(
self, name, project_code, region, template_path=None, template_handler_config=None,
template_bucket_name=None, template_key_prefix=None, required_version=None,
parameters=None, sceptre_user_data=None, hooks=None, s3_details=None,
iam_role=None, dependencies=None, role_arn=None, protected=False, tags=None,
external_name=None, notifications=None, on_failure=None, profile=None,
stack_timeout=0, stack_group_config={}
):
self.logger = logging.getLogger(__name__)
if template_path and template_handler_config:
raise InvalidConfigFileError("Both 'template_path' and 'template' are set, specify one or the other")
if not template_path and not template_handler_config:
raise InvalidConfigFileError("Neither 'template_path' nor 'template' is set")
self.name = sceptreise_path(name)
self.project_code = project_code
self.region = region
self.template_bucket_name = template_bucket_name
self.template_key_prefix = template_key_prefix
self.required_version = required_version
self.external_name = external_name or get_external_stack_name(self.project_code, self.name)
self.template_path = template_path
self.template_handler_config = template_handler_config
self.s3_details = s3_details
self._template = None
self._connection_manager = None
self.protected = protected
self.role_arn = role_arn
self.on_failure = on_failure
self.dependencies = dependencies or []
self.tags = tags or {}
self.stack_timeout = stack_timeout
self.iam_role = iam_role
self.profile = profile
self.hooks = hooks or {}
self.parameters = parameters or {}
self._sceptre_user_data = sceptre_user_data or {}
self._sceptre_user_data_is_resolved = False
self.notifications = notifications or []
self.stack_group_config = stack_group_config or {}