a3e86dcadf
issues. This fix simply causes the default error code for ApiError to be 'ApiError' rather than 'Unknown', which makes dashboard handle the error gracefully, and makes euca error output slightly prettier
130 lines
3.4 KiB
Python
130 lines
3.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Nova base exception handling, including decorator for re-raising
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Nova-type exceptions. SHOULD include dedicated exception logging.
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"""
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from nova import log as logging
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LOG = logging.getLogger('nova.exception')
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class ProcessExecutionError(IOError):
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def __init__(self, stdout=None, stderr=None, exit_code=None, cmd=None,
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description=None):
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if description is None:
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description = _("Unexpected error while running command.")
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if exit_code is None:
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exit_code = '-'
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message = _("%(description)s\nCommand: %(cmd)s\n"
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"Exit code: %(exit_code)s\nStdout: %(stdout)r\n"
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"Stderr: %(stderr)r") % locals()
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IOError.__init__(self, message)
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class Error(Exception):
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def __init__(self, message=None):
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super(Error, self).__init__(message)
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class ApiError(Error):
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def __init__(self, message='Unknown', code='ApiError'):
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self.message = message
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self.code = code
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super(ApiError, self).__init__('%s: %s' % (code, message))
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class NotFound(Error):
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pass
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class InstanceNotFound(NotFound):
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def __init__(self, message, instance_id):
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self.instance_id = instance_id
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super(InstanceNotFound, self).__init__(message)
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class VolumeNotFound(NotFound):
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def __init__(self, message, volume_id):
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self.volume_id = volume_id
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super(VolumeNotFound, self).__init__(message)
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class Duplicate(Error):
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pass
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class NotAuthorized(Error):
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pass
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class NotEmpty(Error):
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pass
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class Invalid(Error):
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pass
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class InvalidInputException(Error):
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pass
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class InvalidContentType(Error):
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pass
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class TimeoutException(Error):
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pass
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class DBError(Error):
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"""Wraps an implementation specific exception"""
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def __init__(self, inner_exception):
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self.inner_exception = inner_exception
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super(DBError, self).__init__(str(inner_exception))
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def wrap_db_error(f):
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def _wrap(*args, **kwargs):
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try:
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return f(*args, **kwargs)
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except Exception, e:
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LOG.exception(_('DB exception wrapped'))
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raise DBError(e)
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return _wrap
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_wrap.func_name = f.func_name
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def wrap_exception(f):
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def _wrap(*args, **kw):
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try:
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return f(*args, **kw)
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except Exception, e:
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if not isinstance(e, Error):
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#exc_type, exc_value, exc_traceback = sys.exc_info()
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LOG.exception(_('Uncaught exception'))
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#logging.error(traceback.extract_stack(exc_traceback))
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raise Error(str(e))
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raise
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_wrap.func_name = f.func_name
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return _wrap
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