213 lines
8.8 KiB
Python
213 lines
8.8 KiB
Python
# Copyright (c) 2017 Ericsson AB.
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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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from oslo_log import log as logging
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from oslo_utils import uuidutils
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import collections
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import pecan
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from pecan import expose
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from pecan import request
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from kingbird.api.controllers import restcomm
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from kingbird.common import consts
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from kingbird.common.endpoint_cache import EndpointCache
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from kingbird.common import exceptions
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from kingbird.common.i18n import _
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from kingbird.db.sqlalchemy import api as db_api
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from kingbird.drivers.openstack.glance_v2 import GlanceClient
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from kingbird.drivers.openstack.nova_v2 import NovaClient
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from kingbird.rpc import client as rpc_client
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LOG = logging.getLogger(__name__)
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class ResourceSyncController(object):
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VERSION_ALIASES = {
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'Newton': '1.0',
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}
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def __init__(self, *args, **kwargs):
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super(ResourceSyncController, self).__init__(*args, **kwargs)
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self.rpc_client = rpc_client.EngineClient()
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# to do the version compatibility for future purpose
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def _determine_version_cap(self, target):
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version_cap = 1.0
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return version_cap
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@expose(generic=True, template='json')
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def index(self):
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# Route the request to specific methods with parameters
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pass
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def _entries_to_database(self, context, target_regions, source_region,
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resources, resource_type, job_id):
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"""Manage the entries to database for both Keypair and image."""
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# Insert into the parent table
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try:
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result = db_api.sync_job_create(context, job_id=job_id)
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except exceptions.InternalError:
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pecan.abort(500, _('Internal Server Error.'))
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# Insert into the child table
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for region in target_regions:
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for resource in resources:
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try:
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db_api.resource_sync_create(context, result,
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region, source_region,
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resource, resource_type)
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except exceptions.JobNotFound:
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pecan.abort(404, _('Job not found'))
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return result
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@index.when(method='GET', template='json')
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def get(self, project, action=None):
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"""Get details about Sync Job.
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:param project: It's UUID of the project.
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:param action: Optional. If provided, it can be
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'active' to get the list of active jobs.
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'job-id' to get the details of a job.
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"""
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context = restcomm.extract_context_from_environ()
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if not uuidutils.is_uuid_like(project) or project != context.project:
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pecan.abort(400, _('Invalid request URL'))
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result = collections.defaultdict(dict)
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if not action or action == 'active':
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result['job_set'] = db_api.sync_job_list(context, action)
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elif uuidutils.is_uuid_like(action):
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try:
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result['job_set'] = db_api.resource_sync_list_by_job(
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context, action)
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except exceptions.JobNotFound:
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pecan.abort(404, _('Job not found'))
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else:
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pecan.abort(400, _('Invalid request URL'))
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return result
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@index.when(method='POST', template='json')
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def post(self, project):
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"""Sync resources present in one region to another region.
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:param project: It's UUID of the project.
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"""
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context = restcomm.extract_context_from_environ()
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if not uuidutils.is_uuid_like(project) or project != context.project:
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pecan.abort(400, _('Invalid request URL'))
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payload = eval(request.body)
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if not payload:
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pecan.abort(400, _('Body required'))
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payload = payload.get('resource_set')
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if not payload:
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pecan.abort(400, _('resource_set required'))
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resource_type = payload.get('resource_type')
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target_regions = payload.get('target')
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if not target_regions or not isinstance(target_regions, list):
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pecan.abort(400, _('Target regions required'))
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source_region = payload.get('source')
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if not source_region or not isinstance(source_region, str):
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pecan.abort(400, _('Source region required'))
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source_resources = payload.get('resources')
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if not source_resources:
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pecan.abort(400, _('Source resources required'))
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job_id = uuidutils.generate_uuid()
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if resource_type == consts.KEYPAIR:
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session = EndpointCache().get_session_from_token(
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context.auth_token, context.project)
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# Create Source Region object
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source_nova_client = NovaClient(source_region, session)
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# Check for keypairs in Source Region
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for source_keypair in source_resources:
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source_keypair = source_nova_client.\
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get_keypairs(source_keypair)
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if not source_keypair:
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pecan.abort(404)
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result = self._entries_to_database(context, target_regions,
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source_region,
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source_resources,
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resource_type, job_id)
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return self._keypair_sync(job_id, payload, context, result)
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elif resource_type == consts.IMAGE:
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# Create Source Region glance_object
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glance_driver = GlanceClient(source_region, context)
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# Check for images in Source Region
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for image in source_resources:
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source_image = glance_driver.check_image(image)
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if image != source_image:
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pecan.abort(404)
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result = self._entries_to_database(context, target_regions,
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source_region,
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source_resources,
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resource_type, job_id)
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return self._image_sync(job_id, payload, context, result)
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else:
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pecan.abort(400, _('Bad resource_type'))
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@index.when(method='delete', template='json')
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def delete(self, project, job_id):
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"""Delete the database entries of a given job_id.
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:param project: It's UUID of the project.
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:param job_id: ID of the job for which the database entries
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have to be deleted.
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"""
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context = restcomm.extract_context_from_environ()
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if not uuidutils.is_uuid_like(project) or project != context.project:
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pecan.abort(400, _('Invalid request URL'))
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if uuidutils.is_uuid_like(job_id):
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try:
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status = db_api.sync_job_status(context, job_id)
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except exceptions.JobNotFound:
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pecan.abort(404, _('Job not found'))
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if status == consts.JOB_PROGRESS:
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pecan.abort(406, _('action not supported'
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' while sync is in progress'))
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try:
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db_api.sync_job_delete(context, job_id)
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except exceptions.JobNotFound:
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pecan.abort(404, _('Job not found'))
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return 'job %s deleted from the database.' % job_id
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else:
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pecan.abort(400, _('Bad request'))
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def _keypair_sync(self, job_id, payload, context, result):
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"""Make an rpc call to kb-engine.
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:param job_id: ID of the job to update values in database based on
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the job_id.
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:param payload: payload object.
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:param context: context of the request.
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:param result: Result object to return an output.
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"""
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self.rpc_client.keypair_sync_for_user(context, job_id, payload)
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return {'job_status': {'id': result.id, 'status': result.sync_status,
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'created_at': result.created_at}}
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def _image_sync(self, job_id, payload, context, result):
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"""Make an rpc call to engine.
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:param job_id: ID of the job to update values in database based on
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the job_id.
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:param payload: payload object.
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:param context: context of the request.
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:param result: Result object to return an output.
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"""
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self.rpc_client.image_sync(context, job_id, payload)
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return {'job_status': {'id': result.id, 'status': result.sync_status,
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'created_at': result.created_at}}
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