class IamException(Exception):
    "Iam Exception"


# Second level classes
# =====================


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"


class UnknownServiceCommand(IamException):
    "Raised when a command is not matched against services"


# Configuration errors
# =====================


class ConfigurationError(IamException):
    "Raised when a command is not matched against services"


class ConfigDuplicateCmds(ConfigurationError):
    "Raised when two service commands overlap. May be caused by plugins"


class ConfigForbiddenPrefixCmds(ConfigurationError):
    "Raised when a service is not correctly prefixed. May be caused by plugins"


class ConfigUnknownPlugin(ConfigurationError):
    "Raised when a plugin can't be found"