deb-sahara/sahara/exceptions.py
Vitaly Gridnev 51eac34f2a Implement poll util and plugin poll util
Implemented polling utils module. Also added simple
usage of plugin util for decommissioning datanodes for
Spark plugin.

partially implements bp: add-timeouts-for-polling

Change-Id: I62c4cd92925d0d09bd529cb1103519d3d84c2f1f
2015-03-17 11:33:57 +03:00

362 lines
11 KiB
Python

# Copyright (c) 2013 Mirantis Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from oslo_utils import uuidutils
import six
from sahara.i18n import _
class SaharaException(Exception):
"""Base Exception for the project
To correctly use this class, inherit from it and define
a 'message' and 'code' properties.
"""
message = _("An unknown exception occurred")
code = "UNKNOWN_EXCEPTION"
def __str__(self):
return self.message
def __init__(self):
super(SaharaException, self).__init__(
'%s: %s' % (self.code, self.message))
self.uuid = uuidutils.generate_uuid()
self.message = (_('%(message)s\nError ID: %(id)s')
% {'message': self.message, 'id': self.uuid})
class NotFoundException(SaharaException):
message = _("Object '%s' is not found")
# It could be a various property of object which was not found
value = None
def __init__(self, value, message=None):
self.code = "NOT_FOUND"
self.value = value
if message:
self.message = message % value
else:
self.message = self.message % value
super(NotFoundException, self).__init__()
class NameAlreadyExistsException(SaharaException):
message = _("Name already exists")
def __init__(self, message=None):
self.code = "NAME_ALREADY_EXISTS"
if message:
self.message = message
super(NameAlreadyExistsException, self).__init__()
class InvalidCredentials(SaharaException):
message = _("Invalid credentials")
def __init__(self, message=None):
self.code = "INVALID_CREDENTIALS"
if message:
self.message = message
super(InvalidCredentials, self).__init__()
class InvalidReferenceException(SaharaException):
message = _("Invalid object reference")
def __init__(self, message=None):
self.code = "INVALID_REFERENCE"
if message:
self.message = message
super(InvalidReferenceException, self).__init__()
class RemoteCommandException(SaharaException):
message = _("Error during command execution: \"%s\"")
def __init__(self, cmd, ret_code=None, stdout=None,
stderr=None):
self.code = "REMOTE_COMMAND_FAILED"
self.cmd = cmd
self.ret_code = ret_code
self.stdout = stdout
self.stderr = stderr
self.message = self.message % cmd
if ret_code:
self.message = '%s\nReturn code: %s' % (self.message,
six.text_type(ret_code))
if stderr:
self.message = '%s\nSTDERR:\n%s' % (
self.message, stderr.decode('ascii', 'ignore'))
if stdout:
self.message = '%s\nSTDOUT:\n%s' % (
self.message, stdout.decode('ascii', 'ignore'))
super(RemoteCommandException, self).__init__()
class InvalidDataException(SaharaException):
"""General exception to use for invalid data
A more useful message should be passed to __init__ which
tells the user more about why the data is invalid.
"""
message = _("Data is invalid")
code = "INVALID_DATA"
def __init__(self, message=None):
if message:
self.message = message
super(InvalidDataException, self).__init__()
class BadJobBinaryInternalException(SaharaException):
message = _("Job binary internal data must be a string of length "
"greater than zero")
def __init__(self, message=None):
if message:
self.message = message
self.code = "BAD_JOB_BINARY"
super(BadJobBinaryInternalException, self).__init__()
class BadJobBinaryException(SaharaException):
message = _("To work with JobBinary located in internal swift add 'user'"
" and 'password' to extra")
def __init__(self, message=None):
if message:
self.message = message
self.code = "BAD_JOB_BINARY"
super(BadJobBinaryException, self).__init__()
class DBDuplicateEntry(SaharaException):
message = _("Database object already exists")
code = "DB_DUPLICATE_ENTRY"
def __init__(self, message=None):
if message:
self.message = message
super(DBDuplicateEntry, self).__init__()
class CreationFailed(SaharaException):
message = _("Object was not created")
code = "CREATION_FAILED"
def __init__(self, message=None):
if message:
self.message = message
super(CreationFailed, self).__init__()
class CancelingFailed(SaharaException):
message = _("Operation was not canceled")
code = "CANCELING_FAILED"
def __init__(self, message=None):
if message:
self.message = message
super(CancelingFailed, self).__init__()
class DeletionFailed(SaharaException):
message = _("Object was not deleted")
code = "DELETION_FAILED"
def __init__(self, message=None):
if message:
self.message = message
super(DeletionFailed, self).__init__()
class MissingFloatingNetworkException(SaharaException):
def __init__(self, ng_name):
self.message = _("Node Group %s is missing 'floating_ip_pool' "
"field") % ng_name
self.code = "MISSING_FLOATING_NETWORK"
super(MissingFloatingNetworkException, self).__init__()
class SwiftClientException(SaharaException):
'''General wrapper object for swift client exceptions
This exception is intended for wrapping the message from a
swiftclient.ClientException in a SaharaException. The ClientException
should be caught and an instance of SwiftClientException raised instead.
'''
def __init__(self, message):
self.message = message
self.code = "SWIFT_CLIENT_EXCEPTION"
super(SwiftClientException, self).__init__()
class DataTooBigException(SaharaException):
message = _("Size of data (%(size)s) is greater than maximum "
"(%(maximum)s)")
def __init__(self, size, maximum, message=None):
if message:
self.message = message
self.message = self.message % ({'size': size, 'maximum': maximum})
self.code = "DATA_TOO_BIG"
super(DataTooBigException, self).__init__()
class ThreadException(SaharaException):
def __init__(self, thread_description, e):
self.message = (_("An error occurred in thread '%(thread)s': %(e)s")
% {'thread': thread_description,
'e': six.text_type(e)})
self.code = "THREAD_EXCEPTION"
super(ThreadException, self).__init__()
class NotImplementedException(SaharaException):
code = "NOT_IMPLEMENTED"
def __init__(self, feature):
self.message = _("Feature '%s' is not implemented") % feature
super(NotImplementedException, self).__init__()
class HeatStackException(SaharaException):
def __init__(self, heat_stack_status):
self.code = "HEAT_STACK_EXCEPTION"
self.message = (_("Heat stack failed with status %s") %
heat_stack_status)
super(HeatStackException, self).__init__()
class ConfigurationError(SaharaException):
code = "CONFIGURATION_ERROR"
def __init__(self, message):
self.message = message
super(ConfigurationError, self).__init__()
class IncorrectStateError(SaharaException):
code = "INCORRECT_STATE_ERROR"
def __init__(self, message):
self.message = message
super(IncorrectStateError, self).__init__()
class SystemError(SaharaException):
code = "SYSTEM_ERROR"
def __init__(self, message):
self.message = message
super(SystemError, self).__init__()
class EDPError(SaharaException):
code = "EDP_ERROR"
def __init__(self, message):
self.message = message
super(EDPError, self).__init__()
class TimeoutException(SaharaException):
code = "TIMEOUT"
message = _("'%(operation)s' timed out after %(timeout)i second(s)")
def __init__(self, timeout, op_name=None, timeout_name=None):
if op_name:
op_name = _("Operation with name '%s'") % op_name
else:
op_name = _("Operation")
self.message = self.message % {
'operation': op_name, 'timeout': timeout}
if timeout_name:
desc = _("%(message)s and following timeout was violated: "
"%(timeout_name)s")
self.message = desc % {
'message': self.message, 'timeout_name': timeout_name}
super(TimeoutException, self).__init__()
class DeprecatedException(SaharaException):
code = "DEPRECATED"
def __init__(self, message):
self.message = message
super(DeprecatedException, self).__init__()
class Forbidden(SaharaException):
code = "FORBIDDEN"
message = _("You are not authorized to complete this action.")
def __init__(self, message=None):
if message:
self.message = message
super(Forbidden, self).__init__()
class ImageNotRegistered(SaharaException):
code = "IMAGE_NOT_REGISTERED"
message = _("Image %s is not registered in Sahara")
def __init__(self, image):
self.message = self.message % image
super(ImageNotRegistered, self).__init__()
class MalformedRequestBody(SaharaException):
code = "MALFORMED_REQUEST_BODY"
message = _("Malformed message body: %(reason)s")
def __init__(self, reason):
self.message = self.message % {"reason": reason}
super(MalformedRequestBody, self).__init__()
class QuotaException(SaharaException):
code = "QUOTA_ERROR"
message = _("Quota exceeded for %(resource)s: Requested %(requested)s,"
" but available %(available)s")
def __init__(self, resource, requested, available):
self.message = self.message % {'resource': resource,
'requested': requested,
'available': available}
super(QuotaException, self).__init__()
class UpdateFailedException(SaharaException):
message = _("Object '%s' could not be updated")
# Object was unable to be updated
def __init__(self, value, message=None):
self.code = "UPDATE_FAILED"
if message:
self.message = message
self.message = self.message % value
super(UpdateFailedException, self).__init__()