poppy/poppy/distributed_task/taskflow/flow/create_service.py

129 lines
4.4 KiB
Python

# Copyright (c) 2014 Rackspace, Inc.
#
# 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 json
import logging
import sys
from oslo.config import cfg
from taskflow.patterns import linear_flow
from taskflow import task
from poppy import bootstrap
from poppy.model.helpers import provider_details
logging.basicConfig(level=logging.ERROR,
format='%(levelname)s: %(message)s',
stream=sys.stdout)
LOG = logging.getLogger('Poppy Service Tasks')
LOG.setLevel(logging.DEBUG)
conf = cfg.CONF
conf(project='poppy', prog='poppy', args=[])
def service_create_task_func(providers_list_json,
project_id, service_id):
bootstrap_obj = bootstrap.Bootstrap(conf)
service_controller = bootstrap_obj.manager.services_controller
storage_controller = service_controller.storage_controller
providers_list = json.loads(providers_list_json)
try:
service_obj = storage_controller.get(project_id, service_id)
except ValueError:
msg = 'Creating service {0} from Poppy failed. ' \
'No such service exists'.format(service_id)
LOG.info(msg)
raise Exception(msg)
responders = []
# try to create all service from each provider
for provider in providers_list:
LOG.info('Starting to create service from %s' % provider)
responder = service_controller.provider_wrapper.create(
service_controller._driver.providers[provider.lower()],
service_obj)
responders.append(responder)
LOG.info('Create service from %s complete...' % provider)
# create dns mapping
dns = service_controller.dns_controller
dns_responder = dns.create(responders)
provider_details_dict = {}
for responder in responders:
for provider_name in responder:
if 'error' in responder[provider_name]:
error_msg = responder[provider_name]['error']
error_info = responder[provider_name]['error_detail']
provider_details_dict[provider_name] = (
provider_details.ProviderDetail(
error_info=error_info,
status='failed',
error_message=error_msg))
elif 'error' in dns_responder[provider_name]:
error_msg = dns_responder[provider_name]['error']
error_info = dns_responder[provider_name]['error_detail']
provider_details_dict[provider_name] = (
provider_details.ProviderDetail(
error_info=error_info,
status='failed',
error_message=error_msg))
else:
access_urls = dns_responder[provider_name]['access_urls']
provider_details_dict[provider_name] = (
provider_details.ProviderDetail(
provider_service_id=responder[provider_name]['id'],
access_urls=access_urls))
if 'status' in responder[provider_name]:
provider_details_dict[provider_name].status = (
responder[provider_name]['status'])
else:
provider_details_dict[provider_name].status = 'deployed'
service_obj.provider_details = provider_details_dict
storage_controller.update(project_id, service_id, service_obj)
storage_controller._driver.close_connection()
LOG.info('Create service worker task complete...')
class CreateServiceTask(task.Task):
default_provides = "service_created"
def execute(self, providers_list_json,
project_id, service_id):
LOG.info('Start executing create service task...')
service_create_task_func(
providers_list_json,
project_id, service_id)
return True
def create_service():
flow = linear_flow.Flow('Creating poppy-service').add(
CreateServiceTask(),
)
return flow