"""Ganeti exception handling"""
+# OpPrereqError failure types
+
+# resolver errors
+ECODE_RESOLVER = "resolver_error"
+# not enough resources (iallocator failure, disk space, memory, etc.)
+ECODE_NORES = "insufficient_resources"
+# wrong arguments (at syntax level)
+ECODE_INVAL = "wrong_input"
+# wrong entity state
+ECODE_STATE = "wrong_state"
+# entity not found
+ECODE_NOENT = "unknown_entity"
+# entity already exists
+ECODE_EXISTS = "already_exists"
+# resource not unique (e.g. MAC or IP duplication)
+ECODE_NOTUNIQUE = "resource_not_unique"
+# internal cluster error
+ECODE_FAULT = "internal_error"
+# environment error (e.g. node disk error)
+ECODE_ENVIRON = "environment_error"
+
+
class GenericError(Exception):
"""Base exception for Ganeti.
pass
+class ReservationError(GenericError):
+ """Errors reserving a resource.
+
+ """
+
+
class RemoteError(GenericError):
"""Programming-related error on remote call.
class OpPrereqError(GenericError):
"""Prerequisites for the OpCode are not fulfilled.
+ This exception will have either one or two arguments. For the
+ two-argument construction, the second argument should be one of the
+ ECODE_* codes.
+
"""
"""
-class OpRetryError(OpExecError):
- """Error during OpCode execution, action can be retried.
-
- """
-
-
class OpCodeUnknown(GenericError):
"""Unknown opcode submitted.
def MaybeRaise(result):
- """Is this looks like an encoded Ganeti exception, raise it.
+ """If this looks like an encoded Ganeti exception, raise it.
This function tries to parse the passed argument and if it looks
like an encoding done by EncodeException, it will re-raise it.