192 lines
7.3 KiB
Python
192 lines
7.3 KiB
Python
# Copyright (c) 2013 Mirantis, Inc.
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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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import eventlet
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from muranoapi.common import config
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from muranoapi.db.services.environments import EnvironmentServices
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from muranoapi.openstack.common import uuidutils, timeutils
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amqp = eventlet.patcher.import_patched('amqplib.client_0_8')
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rabbitmq = config.CONF.rabbitmq
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class SystemServices(object):
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@staticmethod
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def get_service_status(environment_id, service_id):
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"""
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Service can have one of three distinguished statuses:
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- Deploying: if environment has status deploying and there is at least
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one orchestration engine report for this service;
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- Pending: if environment has status `deploying` and there is no
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report from orchestration engine about this service;
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- Ready: If environment has status ready.
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:param environment_id: Service environment, we always know to which
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environment service belongs to
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:param service_id: Id of service for which we checking status.
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:return: Service status
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"""
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# Now we assume that service has same status as environment.
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# TODO: implement as designed and described above
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return EnvironmentServices.get_status(environment_id)
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@staticmethod
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def get_services(environment_id, service_type, session_id=None):
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"""
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Get services of specified service_type from specified environment.
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If session_id is specified session state is checked, and if session is
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not deployed function returns service from the modified environment.
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:param environment_id: Environment Id
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:param service_type: Service service_type, e.g. activeDirectories
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:param session_id: Session Id
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:return: Service Object List
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"""
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env_description = EnvironmentServices.get_environment_description(
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environment_id, session_id)
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if not 'services' in env_description:
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return []
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if service_type in env_description['services']:
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services = env_description['services'][service_type]
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for service in services:
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service['status'] = SystemServices.get_service_status(
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environment_id, None)
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return services
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else:
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return []
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@staticmethod
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def get_service(environment_id, service_id, session_id=None):
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"""
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Get services from specified environment. If session_id is specified
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session state is checked, and if session is not deployed function
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returns service from the modified environment.
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:param environment_id: Environment Id
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:param service_id: Service Id
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:param session_id: Session Id
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:return: Service Object
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:raise: ValueError if no services described in environment or if
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service not found
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"""
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env_description = EnvironmentServices.get_environment_description(
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environment_id, session_id)
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if not 'services' in env_description:
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raise ValueError('This environment does not have services')
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services = []
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if 'activeDirectories' in env_description['services']:
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services = env_description['services']['activeDirectories']
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if 'webServers' in env_description['services']:
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services += env_description['services']['webServers']
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services = filter(lambda s: s.id == service_id, services)
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if len(services) > 0:
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return services[0]
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raise ValueError('Service with specified id does not exist')
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@staticmethod
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def create_active_directory(ad_params, session_id, environment_id):
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"""
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Creates active directory service and saves it in specified session
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:param ad_params: Active Directory Params as Dict
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:param session_id: Session
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"""
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env_description = EnvironmentServices.get_environment_description(
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environment_id, session_id)
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active_directory = ad_params
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active_directory['id'] = uuidutils.generate_uuid()
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active_directory['created'] = str(timeutils.utcnow())
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active_directory['updated'] = str(timeutils.utcnow())
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unit_count = 0
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for unit in active_directory['units']:
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unit_count += 1
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unit['id'] = uuidutils.generate_uuid()
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unit['name'] = 'dc{0}'.format(unit_count)
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if not 'services' in env_description:
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env_description['services'] = {}
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if not 'activeDirectories' in env_description['services']:
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env_description['services']['activeDirectories'] = []
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env_description['services']['activeDirectories'].append(
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active_directory)
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EnvironmentServices.save_environment_description(session_id,
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env_description)
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return active_directory
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@staticmethod
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def create_web_server(ws_params, session_id, environment_id):
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"""
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Creates web server service and saves it in specified session
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:param ws_params: Web Server Params as Dict
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:param session_id: Session
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"""
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env_description = EnvironmentServices.get_environment_description(
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environment_id, session_id)
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web_server = ws_params
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web_server['id'] = uuidutils.generate_uuid()
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web_server['created'] = str(timeutils.utcnow())
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web_server['updated'] = str(timeutils.utcnow())
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unit_count = 0
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for unit in web_server['units']:
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unit_count += 1
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unit['id'] = uuidutils.generate_uuid()
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unit['name'] = web_server['name'] + '_instance_' + str(unit_count)
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if not 'services' in env_description:
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env_description['services'] = {}
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if not 'webServers' in env_description['services']:
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env_description['services']['webServers'] = []
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env_description['services']['webServers'].append(web_server)
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EnvironmentServices.save_environment_description(session_id,
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env_description)
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return web_server
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@staticmethod
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def delete_service(service_id, service_type, session_id, environment_id):
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env_description = EnvironmentServices.get_environment_description(
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environment_id, session_id)
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if not 'services' in env_description:
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raise ValueError('This environment does not have services')
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services = []
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if service_type in env_description['services']:
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services = env_description['services'][service_type]
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services = [srv for srv in services if srv['id'] != service_id]
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env_description['services'][service_type] = services
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EnvironmentServices.save_environment_description(session_id,
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env_description)
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