231 lines
8.6 KiB
Python
231 lines
8.6 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 types
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from oslo_utils import timeutils
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from webob import exc
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from murano.common.i18n import _
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from murano.common import utils
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from murano.db.services import environment_templates as env_temp
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from murano.db.services import environments as envs
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from murano.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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class CoreServices(object):
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@staticmethod
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def get_service_status(environment_id, service_id):
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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(ruhe): implement as designed and described above
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return envs.EnvironmentServices.get_status(environment_id)
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@staticmethod
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def get_data(environment_id, path, session_id=None):
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get_description = envs.EnvironmentServices.get_environment_description
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env_description = get_description(environment_id, session_id)
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if env_description is None:
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return None
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if 'services' not in env_description:
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return []
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result = utils.TraverseHelper.get(path, env_description)
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if path == '/services':
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get_status = CoreServices.get_service_status
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for srv in result:
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srv['?']['status'] = get_status(environment_id, srv['?']['id'])
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return result
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@staticmethod
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def get_template_data(env_template_id, path):
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"""It obtains the data for the template. It includes
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all the services. In case the path includes information
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such as the env_template_id, the information provided will
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be related to the entity specified in the path
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:param env_template_id: The env_template_id to obtain the data
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:param path: Id of service for which we checking status.
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:return: The template description
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"""
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temp_description = env_temp.EnvTemplateServices.\
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get_description(env_template_id)
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if temp_description is None:
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return None
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if 'services' not in temp_description:
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return []
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result = utils.TraverseHelper.get(path, temp_description)
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if result is None:
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msg = _('Environment Template <EnvId {0}> is not found').format(
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env_template_id)
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LOG.error(msg)
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raise exc.HTTPNotFound(explanation=msg)
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return result
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@staticmethod
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def post_env_template_data(env_template_id, data, path):
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"""It stores the template data inside the template
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description.
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:param env_template_id: The env_template_id to obtain the data
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:param data: the template description
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:param path: Id of service for which we checking status.
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:return: The template description
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"""
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get_description = env_temp.EnvTemplateServices.get_description
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save_description = env_temp.EnvTemplateServices.save_description
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temp_description = get_description(env_template_id)
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if temp_description is None:
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msg = _('Environment Template <EnvId {0}> is not found').format(
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env_template_id)
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LOG.error(msg)
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raise exc.HTTPNotFound(explanation=msg)
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if 'services' not in temp_description:
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temp_description['services'] = []
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if path == '/services':
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if isinstance(data, types.ListType):
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utils.TraverseHelper.extend(path, data, temp_description)
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else:
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utils.TraverseHelper.insert(path, data, temp_description)
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save_description(temp_description)
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return data
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@staticmethod
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def post_application_data(env_template_id, data, path):
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"""It stores the application data inside the template
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description.
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:param env_template_id: The env_template_id to obtain the data
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:param data: the template description
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:param path: Id of service for which we checking status.
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:return: The template description
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"""
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get_description = env_temp.EnvTemplateServices.get_description
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save_description = env_temp.EnvTemplateServices.save_description
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temp_description = get_description(env_template_id)
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if temp_description is None:
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msg = _('Environment Template <EnvId {0}> is not found').format(
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env_template_id)
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LOG.error(msg)
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raise exc.HTTPNotFound(explanation=msg)
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if 'services' not in temp_description:
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temp_description['services'] = []
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if path == '/services':
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if isinstance(data, types.ListType):
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utils.TraverseHelper.extend(path, data, temp_description)
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else:
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utils.TraverseHelper.insert(path, data, temp_description)
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save_description(temp_description, env_template_id)
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return data
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@staticmethod
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def post_data(environment_id, session_id, data, path):
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get_description = envs.EnvironmentServices.get_environment_description
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save_description = envs.EnvironmentServices.\
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save_environment_description
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env_description = get_description(environment_id, session_id)
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if env_description is None:
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msg = _('Environment <EnvId {0}> is not found').format(
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environment_id)
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LOG.error(msg)
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raise exc.HTTPNotFound(explanation=msg)
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if 'services' not in env_description:
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env_description['services'] = []
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if path == '/services':
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if isinstance(data, types.ListType):
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utils.TraverseHelper.extend(path, data, env_description)
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else:
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utils.TraverseHelper.insert(path, data, env_description)
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save_description(session_id, env_description)
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return data
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@staticmethod
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def put_data(environment_id, session_id, data, path):
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get_description = envs.EnvironmentServices.get_environment_description
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save_description = envs.EnvironmentServices.\
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save_environment_description
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env_description = get_description(environment_id, session_id)
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utils.TraverseHelper.update(path, data, env_description)
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env_description['?']['updated'] = str(timeutils.utcnow())
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save_description(session_id, env_description)
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return data
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@staticmethod
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def delete_data(environment_id, session_id, path):
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get_description = envs.EnvironmentServices.get_environment_description
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save_description = envs.EnvironmentServices.\
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save_environment_description
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env_description = get_description(environment_id, session_id)
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utils.TraverseHelper.remove(path, env_description)
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save_description(session_id, env_description)
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@staticmethod
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def delete_env_template_data(env_template_id, path):
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"""It deletes a template.
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:param env_template_id: The env_template_id to be deleted.
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:param path: The path to check.
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"""
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get_description = env_temp.EnvTemplateServices.get_description
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save_description = env_temp.EnvTemplateServices.save_description
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tmp_description = get_description(env_template_id)
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if tmp_description is None:
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msg = _('Environment Template <EnvId {0}> is not found').format(
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env_template_id)
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LOG.error(msg)
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raise exc.HTTPNotFound(explanation=msg)
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utils.TraverseHelper.remove(path, tmp_description)
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save_description(tmp_description, env_template_id)
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