# Copyright 2014 Cloudbase Solutions Srl

#

# 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.

import ctypes

class CloudbaseInitException(Exception):

pass

class ItemNotFoundException(CloudbaseInitException):

pass

class InvalidStateException(CloudbaseInitException):

pass

class ServiceException(Exception):

"""Base exception for all the metadata services related errors."""

pass

class MetadataNotFoundException(CloudbaseInitException):

"""Exception thrown in case no metadata service is found."""

pass

class MetadataEndpointException(CloudbaseInitException):

"""Exception thrown in case the metadata is unresponsive or errors out."""

pass

class CertificateVerifyFailed(ServiceException):

"""The received certificate is not valid.

In order to avoid the current exception, the validation of the SSL

certificate should be disabled for the metadata provider. In order

to do that the `https_allow_insecure` config option should be set.

"""

pass

class WindowsCloudbaseInitException(CloudbaseInitException):

def __init__(self, msg="%r", error_code=None):

if error_code is None:

error_code = ctypes.GetLastError()

description = ctypes.FormatError(error_code)

try:

formatted_msg = msg % description

except TypeError:

formatted_msg = msg

super(WindowsCloudbaseInitException, self).__init__(formatted_msg)

class LoadUserProfileCloudbaseInitException(WindowsCloudbaseInitException):

"""Windows cannot load the newly created user profile.

The load user profile can fail if the Windows subsystems responsible for

the action are not ready. This usually happens on laggy systems and should

be retried.

"""

pass