272 lines
12 KiB
Python
272 lines
12 KiB
Python
# Copyright (c) 2014 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import division
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import json
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import time
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from oslo_config import cfg
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from taskflow import task
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from poppy.distributed_task.taskflow.task import common
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from poppy.distributed_task.utils import exc_loader
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from poppy.distributed_task.utils import memoized_controllers
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from poppy.model.helpers import provider_details
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from poppy.openstack.common import log
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LOG = log.getLogger(__name__)
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conf = cfg.CONF
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conf(project='poppy', prog='poppy', args=[])
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DNS_OPTIONS = [
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cfg.IntOpt('retries', default=5,
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help='Total number of Retries after Exponentially Backing Off')
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]
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DNS_GROUP = 'driver:dns'
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conf.register_opts(DNS_OPTIONS, group=DNS_GROUP)
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class CreateProviderServicesTask(task.Task):
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default_provides = "responders"
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def execute(self, providers_list_json, project_id, service_id):
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service_controller, self.storage_controller = \
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memoized_controllers.task_controllers('poppy', 'storage')
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providers_list = json.loads(providers_list_json)
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try:
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service_obj = self.storage_controller.get(project_id, service_id)
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for domain in service_obj.domains:
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if domain.certificate == 'san':
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cert_for_domain = (
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self.storage_controller.get_certs_by_domain(
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domain.domain,
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project_id=project_id,
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flavor_id=service_obj.flavor_id,
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cert_type=domain.certificate
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))
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if cert_for_domain == []:
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cert_for_domain = None
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domain.cert_info = cert_for_domain
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except ValueError:
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msg = 'Creating service {0} from Poppy failed. ' \
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'No such service exists'.format(service_id)
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LOG.info(msg)
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raise Exception(msg)
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responders = []
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# try to create all service from each provider
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for provider in providers_list:
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LOG.info('Starting to create service from {0}'.format(provider))
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responder = service_controller.provider_wrapper.create(
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service_controller._driver.providers[provider],
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service_obj)
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responders.append(responder)
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LOG.info('Create service from {0} complete...'.format(provider))
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return responders
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def revert(self, *args, **kwargs):
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try:
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if getattr(self, 'storage_controller') \
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and self.storage_controller._driver.session:
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self.storage_controller._driver.close_connection()
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LOG.info('Cassandra session being shutdown')
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except AttributeError:
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LOG.info('Cassandra session already shutdown')
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class CreateServiceDNSMappingTask(task.Task):
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default_provides = "dns_responder"
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def execute(self, responders, retry_sleep_time, project_id, service_id):
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service_controller, dns = \
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memoized_controllers.task_controllers('poppy', 'dns')
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dns_responder = dns.create(responders)
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for provider_name in dns_responder:
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if 'error' in dns_responder[provider_name]:
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msg = 'Create DNS for {0} ' \
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'failed!'.format(provider_name)
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LOG.info(msg)
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if 'error_class' in dns_responder[provider_name]:
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exception_repr = \
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dns_responder[provider_name]['error_class']
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exception_class = exc_loader(exception_repr)
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if any([exception_class == exception for
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exception in dns._driver.retry_exceptions]):
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LOG.info('Due to {0} Exception, '
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'Task {1} will '
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'be retried'.format(exception_class,
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self.__class__))
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raise exception_class(msg)
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else:
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LOG.info("DNS Creation Successful "
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"for Provider {0} : "
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"{1}".format(provider_name,
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dns_responder[provider_name]))
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return dns_responder
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def revert(self, responders, retry_sleep_time,
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project_id, service_id, **kwargs):
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if self.name in kwargs['flow_failures'].keys():
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retries = conf[DNS_GROUP].retries
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current_progress = (1.0 / retries)
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if hasattr(self, 'retry_progress') \
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and hasattr(self, 'retry_index'):
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self.retry_index = self.retry_index + 1
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self.retry_progress = current_progress * self.retry_index
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if not hasattr(self, 'retry_progress') \
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and not hasattr(self, 'retry_index'):
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self.retry_progress = current_progress
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self.retry_index = 1
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if self.retry_progress == 1.0:
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LOG.warn('Maximum retry attempts of '
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'{0} reached for Task {1}'.format(retries, self.name))
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LOG.warn('Setting of state of service_id: '
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'{0} and project_id: {1} '
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'to failed'.format(service_id, project_id))
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provider_details_dict = {}
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result = kwargs['result']
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for responder in responders:
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for provider_name in responder:
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provider_details_dict[provider_name] = (
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provider_details.ProviderDetail(
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error_info=result.traceback_str,
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status='failed',
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error_message='Failed after '
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'{0} DNS '
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'retries'.format(retries),
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error_class=str(result.exc_info[0])))
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# serialize provider_details_dict
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for provider_name in provider_details_dict:
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provider_details_dict[provider_name] = (
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provider_details_dict[provider_name].to_dict())
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update_provider_details = common.UpdateProviderDetailTask()
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update_provider_details.execute(provider_details_dict,
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project_id,
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service_id)
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else:
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LOG.warn('Sleeping for {0} seconds and '
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'retrying'.format(retry_sleep_time))
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if retry_sleep_time is not None:
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time.sleep(retry_sleep_time)
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class CreateLogDeliveryContainerTask(task.Task):
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default_provides = "log_responders"
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def execute(self, project_id, auth_token, service_id):
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service_controller, self.storage_controller = \
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memoized_controllers.task_controllers('poppy', 'storage')
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try:
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service_obj = self.storage_controller.get(project_id, service_id)
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self.storage_controller._driver.close_connection()
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except ValueError:
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msg = 'Creating service {0} from Poppy failed. ' \
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'No such service exists'.format(service_id)
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LOG.info(msg)
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raise Exception(msg)
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# if log delivery is not enabled, return
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if not service_obj.log_delivery.enabled:
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return []
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# log delivery enabled, create log delivery container for the user
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log_responders = common.create_log_delivery_container(
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project_id, auth_token)
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return log_responders
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def revert(self, *args, **kwargs):
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try:
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if getattr(self, 'storage_controller') \
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and self.storage_controller._driver.session:
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self.storage_controller._driver.close_connection()
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LOG.info('Cassandra session being shutdown')
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except AttributeError:
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LOG.info('Cassandra session already shutdown')
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class GatherProviderDetailsTask(task.Task):
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default_provides = "provider_details_dict"
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def execute(self, responders, dns_responder, log_responders):
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provider_details_dict = {}
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for responder in responders:
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for provider_name in responder:
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error_class = None
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domains_certificate_status = responder[provider_name].get(
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'domains_certificate_status', {})
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if 'error' in responder[provider_name]:
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error_msg = responder[provider_name]['error']
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error_info = responder[provider_name]['error_detail']
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if 'error_class' in responder[provider_name]:
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error_class = \
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responder[provider_name]['error_class']
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provider_details_dict[provider_name] = (
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provider_details.ProviderDetail(
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error_info=error_info,
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status='failed',
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domains_certificate_status=(
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domains_certificate_status),
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error_message=error_msg,
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error_class=error_class))
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elif 'error' in dns_responder[provider_name]:
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error_msg = dns_responder[provider_name]['error']
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error_info = dns_responder[provider_name]['error_detail']
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if 'error_class' in dns_responder[provider_name]:
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error_class = \
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dns_responder[provider_name]['error_class']
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provider_details_dict[provider_name] = (
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provider_details.ProviderDetail(
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error_info=error_info,
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status='failed',
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domains_certificate_status=(
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domains_certificate_status),
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error_message=error_msg,
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error_class=error_class))
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else:
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access_urls = dns_responder[provider_name]['access_urls']
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if log_responders:
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access_urls.append({'log_delivery': log_responders})
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provider_details_dict[provider_name] = (
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provider_details.ProviderDetail(
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provider_service_id=responder[provider_name]['id'],
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domains_certificate_status=(
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domains_certificate_status),
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access_urls=access_urls))
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if 'status' in responder[provider_name]:
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provider_details_dict[provider_name].status = (
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responder[provider_name]['status'])
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else:
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provider_details_dict[provider_name].status = (
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'deployed')
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# serialize provider_details_dict
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for provider_name in provider_details_dict:
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provider_details_dict[provider_name] = (
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provider_details_dict[provider_name].to_dict())
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return provider_details_dict
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