128 lines
3.2 KiB
Python
128 lines
3.2 KiB
Python
# Copyright 2011-2014 OpenStack Foundation,author: Min Wang,German Eichberger
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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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from oslo_utils import excutils
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from octavia.i18n import _
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class AmphoraDriverError(Exception):
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message = _("A super class for all other exceptions and the catch.")
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def __init__(self, **kwargs):
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try:
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super(AmphoraDriverError, self).__init__(self.message % kwargs)
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self.msg = self.message % kwargs
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except Exception:
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with excutils.save_and_reraise_exception() as ctxt:
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if not self.use_fatal_exceptions():
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ctxt.reraise = False
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# at least get the core message out if something happened
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super(AmphoraDriverError, self).__init__(self.message)
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def __unicode__(self):
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return self.msg
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@staticmethod
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def use_fatal_exceptions():
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"""Return True if use fatal exceptions by raising them."""
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return False
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class NotFoundError(AmphoraDriverError):
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message = _('this amphora couldn\'t be found')
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class InfoException(AmphoraDriverError):
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message = _('gathering information about this amphora failed')
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class MetricsException(AmphoraDriverError):
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message = _('gathering metrics failed')
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class UnauthorizedException(AmphoraDriverError):
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message = _('the driver can\'t access the amphora')
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class StatisticsException(AmphoraDriverError):
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message = _('gathering statistics failed')
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class TimeOutException(AmphoraDriverError):
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message = _('contacting the amphora timed out')
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class DeleteFailed(AmphoraDriverError):
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message = _('this load balancer couldn\'t be deleted')
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class SuspendFailed(AmphoraDriverError):
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message = _('this load balancer couldn\'t be suspended')
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class EnableFailed(AmphoraDriverError):
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message = _('this load balancer couldn\'t be enabled')
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class ArchiveException(AmphoraDriverError):
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message = _('couldn\'t archive the logs')
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class ProvisioningErrors(AmphoraDriverError):
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message = _('Super class for provisioning amphora errors')
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class ListenerProvisioningError(ProvisioningErrors):
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message = _('couldn\'t provision Listener')
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class LoadBalancerProvisoningError(ProvisioningErrors):
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message = _('couldn\'t provision LoadBalancer')
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class HealthMonitorProvisioningError(ProvisioningErrors):
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message = _('couldn\'t provision HealthMonitor')
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class NodeProvisioningError(ProvisioningErrors):
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message = _('couldn\'t provision Node')
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class AmpDriverNotImplementedError(AmphoraDriverError):
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message = _('Amphora does not implement this feature.')
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class AmpConnectionRetry(AmphoraDriverError):
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message = _('Could not connect to amphora, exception caught: '
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'%(exception)s')
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