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# Copyright 2020 Google 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.
#
################################################################################
"""Cloud function to build base images on Google Cloud Builder."""
import logging
import google.auth
from googleapiclient.discovery import build
BASE_IMAGES = [
'base-image',
'base-clang',
'base-builder',
'base-builder-new',
'base-builder-go',
'base-builder-jvm',
'base-builder-python',
'base-builder-rust',
'base-builder-swift',
'base-runner',
'base-runner-debug',
]
BASE_PROJECT = 'oss-fuzz-base'
TAG_PREFIX = f'gcr.io/{BASE_PROJECT}/'
def _get_base_image_steps(images, tag_prefix=TAG_PREFIX):
"""Returns build steps for given images."""
steps = [{
'args': [
'clone',
'https://github.com/google/oss-fuzz.git',
],
'name': 'gcr.io/cloud-builders/git',
}]
for base_image in images:
steps.append({
'args': [
'build',
'-t',
tag_prefix + base_image,
'.',
],
'dir': 'oss-fuzz/infra/base-images/' + base_image,
'name': 'gcr.io/cloud-builders/docker',
})
return steps
def get_logs_url(build_id, project_id='oss-fuzz-base'):
"""Returns url that displays the build logs."""
return ('https://console.developers.google.com/logs/viewer?'
f'resource=build%2Fbuild_id%2F{build_id}&project={project_id}')
# pylint: disable=no-member
def run_build(steps, images):
"""Execute the retrieved build steps in gcp."""
credentials, _ = google.auth.default()
build_body = {
'steps': steps,
'timeout': str(6 * 3600) + 's',
'options': {
'machineType': 'N1_HIGHCPU_32'
},
'images': images
}
cloudbuild = build('cloudbuild',
'v1',
credentials=credentials,
cache_discovery=False)
build_info = cloudbuild.projects().builds().create(projectId=BASE_PROJECT,
body=build_body).execute()
build_id = build_info['metadata']['build']['id']
logging.info('Build ID: %s', build_id)
logging.info('Logs: %s', get_logs_url(build_id, BASE_PROJECT))
def base_builder(event, context):
"""Cloud function to build base images."""
del event, context
tag_prefix = f'gcr.io/{BASE_PROJECT}/'
steps = _get_base_image_steps(BASE_IMAGES, tag_prefix)
images = [tag_prefix + base_image for base_image in BASE_IMAGES]
run_build(steps, images)
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