439 lines
12 KiB
Python
439 lines
12 KiB
Python
# Copyright 2011 VMware, Inc
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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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Tacker base exception handling.
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"""
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import re
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from oslo_log import log as logging
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import webob.exc
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from webob import util as woutil
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from tacker._i18n import _
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LOG = logging.getLogger(__name__)
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class ConvertedException(webob.exc.WSGIHTTPException):
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def __init__(self, code, title="", explanation=""):
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self.code = code
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# There is a strict rule about constructing status line for HTTP:
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# '...Status-Line, consisting of the protocol version followed by a
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# numeric status code and its associated textual phrase, with each
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# element separated by SP characters'
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# (http://www.faqs.org/rfcs/rfc2616.html)
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# 'code' and 'title' can not be empty because they correspond
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# to numeric status code and its associated text
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if title:
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self.title = title
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else:
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try:
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self.title = woutil.status_reasons[self.code]
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except KeyError:
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msg = _("Improper or unknown HTTP status code used: %d")
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LOG.error(msg, code)
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self.title = woutil.status_generic_reasons[self.code // 100]
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self.explanation = explanation
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super(ConvertedException, self).__init__()
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class TackerException(Exception):
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"""Base Tacker Exception.
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To correctly use this class, inherit from it and define
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a 'message' property. That message will get printf'd
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with the keyword arguments provided to the constructor.
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"""
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message = _("An unknown exception occurred.")
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code = 500
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def __init__(self, message=None, **kwargs):
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if not message:
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try:
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message = self.message % kwargs
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except Exception:
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message = self.message
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self.msg = message
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super(TackerException, self).__init__(message)
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def __str__(self):
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return self.msg
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def format_message(self):
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return self.args[0]
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def use_fatal_exceptions(self):
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"""Is the instance using fatal exceptions.
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:returns: Always returns False.
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"""
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return False
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class BadRequest(TackerException):
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message = _('Bad %(resource)s request: %(msg)s')
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code = 400
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class NotFound(TackerException):
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message = _('%(resource)s %(name)s not Found')
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class Conflict(TackerException):
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pass
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class NotAuthorized(TackerException):
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message = _("Not authorized.")
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code = 401
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class Forbidden(TackerException):
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msg_fmt = _("Forbidden")
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code = 403
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class ServiceUnavailable(TackerException):
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message = _("The service is unavailable")
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class AdminRequired(NotAuthorized):
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message = _("User does not have admin privileges: %(reason)s")
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class PolicyNotAuthorized(Forbidden):
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message = _("Policy doesn't allow %(action)s to be performed.")
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class PolicyInitError(TackerException):
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message = _("Failed to init policy %(policy)s because %(reason)s")
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class PolicyCheckError(TackerException):
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message = _("Failed to check policy %(policy)s because %(reason)s")
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class InUse(TackerException):
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message = _("The resource is in use")
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class MalformedRequestBody(BadRequest):
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message = _("Malformed request body: %(reason)s")
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class Invalid(TackerException):
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message = _("Bad Request - Invalid Parameters")
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class CreateApiFalse(TackerException):
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message = _('Failed to create resource.')
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class InitApiFalse(TackerException):
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message = _('Failed to init resource.')
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class ReadEndpoindsFalse(TackerException):
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message = _('The method to read a resource failed.')
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class InvalidInput(BadRequest):
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message = _("Invalid input for operation: %(error_message)s.")
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class InvalidContentType(TackerException):
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message = _("Invalid content type %(content_type)s")
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class NetworkVlanRangeError(TackerException):
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message = _("Invalid network VLAN range: '%(vlan_range)s' - '%(error)s'")
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def __init__(self, **kwargs):
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# Convert vlan_range tuple to 'start:end' format for display
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if isinstance(kwargs['vlan_range'], tuple):
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kwargs['vlan_range'] = "%d:%d" % kwargs['vlan_range']
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super(NetworkVlanRangeError, self).__init__(**kwargs)
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class DuplicatedExtension(TackerException):
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message = _("Found duplicate extension: %(alias)s")
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class MgmtDriverException(TackerException):
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message = _("VNF configuration failed")
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class AlarmUrlInvalid(BadRequest):
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message = _("Invalid alarm url for VNF %(vnf_id)s")
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class TriggerNotFound(NotFound):
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message = _("Trigger %(trigger_name)s does not exist for VNF %(vnf_id)s")
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class VnfPolicyNotFound(NotFound):
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message = _("Policy %(policy)s does not exist for VNF %(vnf_id)s")
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class VnfPolicyActionInvalid(BadRequest):
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message = _("Invalid action %(action)s for policy %(policy)s, "
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"should be one of %(valid_actions)s")
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class VnfPolicyTypeInvalid(BadRequest):
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message = _("Invalid type %(type)s for policy %(policy)s, "
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"should be one of %(valid_types)s")
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class DuplicateResourceName(TackerException):
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message = _("%(resource)s with name %(name)s already exists")
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class DuplicateEntity(Conflict):
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message = _("%(_type)s already exist with given %(entry)s")
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def __init__(self, *args, **kwargs):
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# oslo.db does not parse duplicate key error correctly
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# if MySQL server is >=8.0.19. (oslo.db BUG 1896916)
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# TODO(kden): revert once the issue is resolved.
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if len(kwargs["entry"]) == 1:
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matched = re.match(
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r"(?P<tbl>[^\.]+)\.uniq_(?P=tbl)0(?P<columns>.+)$",
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kwargs["entry"][0])
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if matched is not None:
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kwargs["entry"] = matched.group("columns").split("0")
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super(DuplicateEntity, self).__init__(*args, **kwargs)
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class ValidationError(BadRequest):
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message = "%(detail)s"
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class ObjectActionError(TackerException):
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message = _("Object action %(action)s failed because: %(reason)s")
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class VnfPackageNotFound(NotFound):
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message = _("No vnf package with id %(id)s.")
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class VnfPackageVnfdIdDuplicate(TackerException):
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message = _("Vnf package with vnfd id %(vnfd_id)s already exists.")
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class VnfInstanceNotFound(NotFound):
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message = _("No vnf instance with id %(id)s.")
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class VnfInstanceConflictState(Conflict):
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message = _("Vnf instance %(uuid)s in %(attr)s %(state)s. Cannot "
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"%(action)s while the vnf instance is in this state.")
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class VnfConflictState(Conflict):
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message = _("Vnf %(uuid)s in %(attr)s %(state)s. Cannot "
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"%(action)s while the vnf is in this state.")
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class FlavourNotFound(NotFound):
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message = _("No flavour with id '%(flavour_id)s'.")
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class InstantiationLevelNotFound(NotFound):
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message = _("No instantiation level with id '%(inst_level_id)s'.")
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class VimConnectionNotFound(NotFound):
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message = _("No vim found with id '%(vim_id)s'.")
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class VnfResourceNotFound(NotFound):
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message = _("No vnf resource with id %(id)s.")
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class VnfPackageVnfdNotFound(NotFound):
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message = _("No vnf package vnfd with vnfd_id %(id)s.")
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class VnfDeploymentFlavourNotFound(NotFound):
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message = _("No vnf deployment flavour with id %(id)s.")
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class VnfSoftwareImageNotFound(NotFound):
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message = _("No vnf software image with id %(id)s.")
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class VnfArtifactNotFound(NotFound):
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message = _("No vnf artifact with id %(id)s.")
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class VnfInstantiatedInfoNotFound(NotFound):
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message = _("No vnf instantiated info for vnf id %(vnf_instance_id)s.")
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class VnfInstantiationFailed(TackerException):
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message = _("Vnf instantiation failed for vnf %(id)s, error: %(error)s")
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class VnfInstantiationWaitFailed(TackerException):
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message = _("Vnf instantiation wait failed for vnf %(id)s, "
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"error: %(error)s")
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class VnfPreInstantiationFailed(TackerException):
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message = _("Vnf '%(id)s' failed during pre-instantiation due to error: "
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"%(error)s")
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class VnfScaleFailed(TackerException):
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message = _("Scale Vnf failed for vnf %(id)s, error: %(error)s")
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class VnfHealFailed(TackerException):
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message = _("Heal Vnf failed for vnf %(id)s, error: %(error)s")
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class VnfChangeExtConnFailed(TackerException):
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message = _("Change external connectivity failed "
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"for vnf %(id)s, error: %(error)s")
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class VnfChangeExtConnWaitFailed(TackerException):
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message = _("Change external connectivity wait failed "
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"for vnf %(id)s, error: %(error)s")
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class LockCreationFailed(TackerException):
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message = _('Unable to create lock. Coordination backend not started.')
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class OrphanedObjectError(TackerException):
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msg_fmt = _('Cannot call %(method)s on orphaned %(objtype)s object')
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class CSARFileSizeLimitExceeded(TackerException):
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message = _("The provided CSAR file is too large.")
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class VNFPackageURLInvalid(Invalid):
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message = _("Failed to open URL %(url)s")
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class VnfPackageLocationInvalid(Invalid):
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message = _("Failed to find location: %(location)s")
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class InvalidZipFile(Invalid):
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message = _("Invalid zip file : %(path)s")
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class UploadFailedToGlanceStore(Invalid):
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message = _("Failed to upload vnf package %(uuid)s to glance store: "
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"%(error)s")
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class FailedToGetVnfdData(Invalid):
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message = _("Failed to get csar zip file from glance store: %(error)s")
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class FailedToGetVnfArtifact(Invalid):
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message = _("Failed to get artifact file from glance store: %(error)s")
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class FailedToGetVnfPackageDetails(Invalid):
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message = _("Failed to get vnf package details: %(error)s")
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class InvalidCSAR(Invalid):
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message = _("Invalid csar: %(error)s")
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class LimitExceeded(TackerException):
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message = _("The request returned a 413 Request Entity Too Large. This "
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"generally means that rate limiting or a quota threshold was "
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"breached.\n\nThe response body:\n%(body)s")
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def __init__(self, *args, **kwargs):
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self.retry_after = (int(kwargs['retry']) if kwargs.get('retry')
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else None)
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super(LimitExceeded, self).__init__(*args, **kwargs)
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class NotificationProcessingError(TackerException):
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message = _("Notification Processing Failed: %(error)s")
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class UserDataUpdateCreateFailed(TackerException):
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msg_fmt = _("User data for VNF package %(id)s cannot be updated "
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"or created after %(retries)d retries.")
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class DBAccessError(TackerException):
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message = _("DB Access Error")
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class SeeOther(TackerException):
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code = 303
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class MgmtDriverHashMatchFailure(TackerException):
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message = _('The hash verification of VNF Package MgmtDriver '
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'and Tacker MgmtDriver does not match.')
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class MgmtDriverInconsistent(TackerException):
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message = _('The %(MgmtDriver)s specified in the VNFD is inconsistent '
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'with the MgmtDriver in the configuration file.')
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class MgmtDriverNotFound(TackerException):
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message = _('The %(param)s in the additionalParams does not exist.')
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class MgmtDriverParamInvalid(TackerException):
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message = _('The %(param)s in the additionalParams is invalid.')
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class MgmtDriverRemoteCommandError(TackerException):
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message = _('Failed to execute remote command.')
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class MgmtDriverRemoteCommandTimeOut(TackerException):
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message = _('The execution of the remote command timed out.')
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class MgmtDriverOtherError(TackerException):
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message = _('An error occurred in MgmtDriver: %(error_message)s.')
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class VnfConflictStateWithErrorPoint(Conflict):
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message = _("Vnf %(uuid)s in status %(state)s. "
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"Error point %(error_point)s. "
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"Cannot %(action)s while the vnf is in this state "
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"with this error point.")
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class InvalidIpAddr(TackerException):
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message = _('Invalid ip address value in resource %(id)s.')
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class TenantMatchFailure(TackerException):
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message = _('The tenants which target VNF and its VIM belongs to are '
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'different each other.')
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