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grpc/tools/interop_matrix/create_matrix_images.py

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#!/usr/bin/env python2.7
# Copyright 2017 gRPC authors.
#
# 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.
"""Build and upload docker images to Google Container Registry per matrix."""
from __future__ import print_function
import argparse
import atexit
import multiprocessing
import os
import shutil
import subprocess
import sys
import tempfile
# Langauage Runtime Matrix
import client_matrix
python_util_dir = os.path.abspath(
os.path.join(os.path.dirname(__file__), '../run_tests/python_utils'))
sys.path.append(python_util_dir)
import dockerjob
import jobset
_IMAGE_BUILDER = 'tools/run_tests/dockerize/build_interop_image.sh'
_LANGUAGES = client_matrix.LANG_RUNTIME_MATRIX.keys()
# All gRPC release tags, flattened, deduped and sorted.
_RELEASES = sorted(
list(
set(
client_matrix.get_release_tag_name(info)
for lang in client_matrix.LANG_RELEASE_MATRIX.values()
for info in lang)))
# Destination directory inside docker image to keep extra info from build time.
_BUILD_INFO = '/var/local/build_info'
argp = argparse.ArgumentParser(description='Run interop tests.')
argp.add_argument(
'--gcr_path',
default='gcr.io/grpc-testing',
help='Path of docker images in Google Container Registry')
argp.add_argument(
'--release',
default='master',
choices=['all', 'master'] + _RELEASES,
help='github commit tag to checkout. When building all '
'releases defined in client_matrix.py, use "all". Valid only '
'with --git_checkout.')
argp.add_argument(
'-l',
'--language',
choices=['all'] + sorted(_LANGUAGES),
nargs='+',
default=['all'],
help='Test languages to build docker images for.')
argp.add_argument(
'--git_checkout',
action='store_true',
help='Use a separate git clone tree for building grpc stack. '
'Required when using --release flag. By default, current'
'tree and the sibling will be used for building grpc stack.')
argp.add_argument(
'--git_checkout_root',
default='/export/hda3/tmp/grpc_matrix',
help='Directory under which grpc-go/java/main repo will be '
'cloned. Valid only with --git_checkout.')
argp.add_argument(
'--keep',
action='store_true',
help='keep the created local images after uploading to GCR')
argp.add_argument(
'--reuse_git_root',
default=False,
action='store_const',
const=True,
help='reuse the repo dir. If False, the existing git root '
'directory will removed before a clean checkout, because '
'reusing the repo can cause git checkout error if you switch '
'between releases.')
argp.add_argument(
'--upload_images',
action='store_true',
help='If set, images will be uploaded to container registry after building.'
)
args = argp.parse_args()
def add_files_to_image(image, with_files, label=None):
"""Add files to a docker image.
image: docker image name, i.e. grpc_interop_java:26328ad8
with_files: additional files to include in the docker image.
label: label string to attach to the image.
"""
tag_idx = image.find(':')
if tag_idx == -1:
jobset.message(
'FAILED', 'invalid docker image %s' % image, do_newline=True)
sys.exit(1)
orig_tag = '%s_' % image
subprocess.check_output(['docker', 'tag', image, orig_tag])
lines = ['FROM ' + orig_tag]
if label:
lines.append('LABEL %s' % label)
temp_dir = tempfile.mkdtemp()
atexit.register(lambda: subprocess.call(['rm', '-rf', temp_dir]))
# Copy with_files inside the tmp directory, which will be the docker build
# context.
for f in with_files:
shutil.copy(f, temp_dir)
lines.append('COPY %s %s/' % (os.path.basename(f), _BUILD_INFO))
# Create a Dockerfile.
with open(os.path.join(temp_dir, 'Dockerfile'), 'w') as f:
f.write('\n'.join(lines))
jobset.message('START', 'Repackaging %s' % image, do_newline=True)
build_cmd = ['docker', 'build', '--rm', '--tag', image, temp_dir]
subprocess.check_output(build_cmd)
dockerjob.remove_image(orig_tag, skip_nonexistent=True)
def build_image_jobspec(runtime, env, gcr_tag, stack_base):
"""Build interop docker image for a language with runtime.
runtime: a <lang><version> string, for example go1.8.
env: dictionary of env to passed to the build script.
gcr_tag: the tag for the docker image (i.e. v1.3.0).
stack_base: the local gRPC repo path.
"""
basename = 'grpc_interop_%s' % runtime
tag = '%s/%s:%s' % (args.gcr_path, basename, gcr_tag)
build_env = {'INTEROP_IMAGE': tag, 'BASE_NAME': basename, 'TTY_FLAG': '-t'}
build_env.update(env)
image_builder_path = _IMAGE_BUILDER
if client_matrix.should_build_docker_interop_image_from_release_tag(lang):
image_builder_path = os.path.join(stack_base, _IMAGE_BUILDER)
build_job = jobset.JobSpec(
cmdline=[image_builder_path],
environ=build_env,
shortname='build_docker_%s' % runtime,
timeout_seconds=30 * 60)
build_job.tag = tag
return build_job
def build_all_images_for_lang(lang):
"""Build all docker images for a language across releases and runtimes."""
if not args.git_checkout:
if args.release != 'master':
print(
'Cannot use --release without also enabling --git_checkout.\n')
sys.exit(1)
releases = [args.release]
else:
if args.release == 'all':
releases = client_matrix.get_release_tags(lang)
else:
# Build a particular release.
if args.release not in ['master'
] + client_matrix.get_release_tags(lang):
jobset.message(
'SKIPPED',
'%s for %s is not defined' % (args.release, lang),
do_newline=True)
return []
releases = [args.release]
images = []
for release in releases:
images += build_all_images_for_release(lang, release)
jobset.message(
'SUCCESS',
'All docker images built for %s at %s.' % (lang, releases),
do_newline=True)
return images
def build_all_images_for_release(lang, release):
"""Build all docker images for a release across all runtimes."""
docker_images = []
build_jobs = []
env = {}
# If we not using current tree or the sibling for grpc stack, do checkout.
stack_base = ''
if args.git_checkout:
stack_base = checkout_grpc_stack(lang, release)
var = {
'go': 'GRPC_GO_ROOT',
'java': 'GRPC_JAVA_ROOT',
'node': 'GRPC_NODE_ROOT'
}.get(lang, 'GRPC_ROOT')
env[var] = stack_base
for runtime in client_matrix.get_runtimes_for_lang_release(lang, release):
job = build_image_jobspec(runtime, env, release, stack_base)
docker_images.append(job.tag)
build_jobs.append(job)
jobset.message('START', 'Building interop docker images.', do_newline=True)
print('Jobs to run: \n%s\n' % '\n'.join(str(j) for j in build_jobs))
num_failures, _ = jobset.run(
build_jobs,
newline_on_success=True,
maxjobs=multiprocessing.cpu_count())
if num_failures:
jobset.message(
'FAILED', 'Failed to build interop docker images.', do_newline=True)
docker_images_cleanup.extend(docker_images)
sys.exit(1)
jobset.message(
'SUCCESS',
'All docker images built for %s at %s.' % (lang, release),
do_newline=True)
if release != 'master':
commit_log = os.path.join(stack_base, 'commit_log')
if os.path.exists(commit_log):
for image in docker_images:
add_files_to_image(image, [commit_log], 'release=%s' % release)
return docker_images
def cleanup():
if not args.keep:
for image in docker_images_cleanup:
dockerjob.remove_image(image, skip_nonexistent=True)
docker_images_cleanup = []
atexit.register(cleanup)
def maybe_apply_patches_on_git_tag(stack_base, lang, release):
files_to_patch = []
for release_info in client_matrix.LANG_RELEASE_MATRIX[lang]:
if client_matrix.get_release_tag_name(release_info) == release:
if release_info[release] is not None:
files_to_patch = release_info[release].get('patch')
break
if not files_to_patch:
return
patch_file_relative_path = 'patches/%s_%s/git_repo.patch' % (lang, release)
patch_file = os.path.abspath(
os.path.join(os.path.dirname(__file__), patch_file_relative_path))
if not os.path.exists(patch_file):
jobset.message('FAILED',
'expected patch file |%s| to exist' % patch_file)
sys.exit(1)
subprocess.check_output(
['git', 'apply', patch_file], cwd=stack_base, stderr=subprocess.STDOUT)
# TODO(jtattermusch): this really would need simplification and refactoring
# - "git add" and "git commit" can easily be done in a single command
# - it looks like the only reason for the existence of the "files_to_patch"
# entry is to perform "git add" - which is clumsy and fragile.
# - we only allow a single patch with name "git_repo.patch". A better design
# would be to allow multiple patches that can have more descriptive names.
for repo_relative_path in files_to_patch:
subprocess.check_output(
['git', 'add', repo_relative_path],
cwd=stack_base,
stderr=subprocess.STDOUT)
subprocess.check_output(
[
'git', 'commit', '-m',
('Hack performed on top of %s git '
'tag in order to build and run the %s '
'interop tests on that tag.' % (lang, release))
],
cwd=stack_base,
stderr=subprocess.STDOUT)
def checkout_grpc_stack(lang, release):
"""Invokes 'git check' for the lang/release and returns directory created."""
assert args.git_checkout and args.git_checkout_root
if not os.path.exists(args.git_checkout_root):
os.makedirs(args.git_checkout_root)
repo = client_matrix.get_github_repo(lang)
# Get the subdir name part of repo
# For example, 'git@github.com:grpc/grpc-go.git' should use 'grpc-go'.
repo_dir = os.path.splitext(os.path.basename(repo))[0]
stack_base = os.path.join(args.git_checkout_root, repo_dir)
# Clean up leftover repo dir if necessary.
if not args.reuse_git_root and os.path.exists(stack_base):
jobset.message('START', 'Removing git checkout root.', do_newline=True)
shutil.rmtree(stack_base)
if not os.path.exists(stack_base):
subprocess.check_call(
['git', 'clone', '--recursive', repo],
cwd=os.path.dirname(stack_base))
# git checkout.
jobset.message(
'START',
'git checkout %s from %s' % (release, stack_base),
do_newline=True)
# We should NEVER do checkout on current tree !!!
assert not os.path.dirname(__file__).startswith(stack_base)
output = subprocess.check_output(
['git', 'checkout', release], cwd=stack_base, stderr=subprocess.STDOUT)
maybe_apply_patches_on_git_tag(stack_base, lang, release)
commit_log = subprocess.check_output(['git', 'log', '-1'], cwd=stack_base)
jobset.message(
'SUCCESS',
'git checkout',
'%s: %s' % (str(output), commit_log),
do_newline=True)
# Write git log to commit_log so it can be packaged with the docker image.
with open(os.path.join(stack_base, 'commit_log'), 'w') as f:
f.write(commit_log)
return stack_base
languages = args.language if args.language != ['all'] else _LANGUAGES
for lang in languages:
docker_images = build_all_images_for_lang(lang)
for image in docker_images:
if args.upload_images:
jobset.message('START', 'Uploading %s' % image, do_newline=True)
# docker image name must be in the format <gcr_path>/<image>:<gcr_tag>
assert image.startswith(args.gcr_path) and image.find(':') != -1
subprocess.call(['gcloud', 'docker', '--', 'push', image])
else:
# Uploading (and overwriting images) by default can easily break things.
print('Not uploading image %s, run with --upload_images to upload.'
% image)