class IamException(Exception):
    "Iam Exception"


class UnresolvedResourceDependencies(IamException):
    "Raised when resources dependency is unmet"


class UnknownCatalogItem(IamException):
    "Raised when resources dependency is unmet"


class UnknownResourceKind(IamException):
    "Raised when resource refers to unexisting kind"


class MissingConfigFiles(IamException):
    "Raised when iam can't find any valid configuration file"