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#!/usr/bin/env python2
# SPDX-License-Identifier: Apache-2.0
##############################################################################
# Copyright (c) 2018 The Linux Foundation and others.
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
"""
Create Gerrit Branches
"""
import argparse
import logging
import os
import re
import yaml
import subprocess
# import ruamel
from ruamel.yaml import YAML
logging.basicConfig(level=logging.INFO)
def has_string(filepath, string):
"""
Return True if the given filepath contains the regex string
"""
with open(filepath) as yaml_file:
for line in yaml_file:
if string.search(line):
return True
return False
def jjb_files(project, release):
"""
Return sets of YAML file names that contain 'stream' for a given
project, and file that already contain the stream.
"""
files, skipped = set(), set()
file_ending = re.compile(r'ya?ml$')
search_string = re.compile(r'^\s+stream:')
release_string = re.compile(r'- %s:' % release)
jjb_path = os.path.join('jjb', project)
if not os.path.isdir(jjb_path):
logging.warn("JJB directory does not exist at %s, skipping job "
"creation", jjb_path)
return (files, skipped)
for file_name in os.listdir(jjb_path):
file_path = os.path.join(jjb_path, file_name)
if os.path.isfile(file_path) and file_ending.search(file_path):
if has_string(file_path, release_string):
skipped.add(file_path)
elif has_string(file_path, search_string):
files.add(file_path)
return (files, skipped)
def main():
"""
Create Jenkins Jobs for stable branches in Release File
"""
parser = argparse.ArgumentParser()
parser.add_argument('--file', '-f',
type=argparse.FileType('r'),
required=True)
args = parser.parse_args()
project_yaml = yaml.safe_load(args.file)
# Get the release name from the file path
release = os.path.split(os.path.dirname(args.file.name))[1]
create_jobs(release, project_yaml)
def create_jobs(release, project_yaml):
"""Add YAML to JJB files for release stream"""
logger = logging.getLogger(__file__)
# We assume here project keep their subrepo jobs under the part
# project name. Otherwise we'll have to look for jjb/<repo> for each
# branch listed.
project, _ = next(iter(project_yaml['branches'][0]['location'].items()))
yaml_parser = YAML()
yaml_parser.preserve_quotes = True
yaml_parser.explicit_start = True
# yaml_parser.indent(mapping=4, sequence=0, offset=0)
# These are some esoteric values that produce indentation matching our jjb
# configs
# yaml_parser.indent(mapping=3, sequence=3, offset=2)
# yaml_parser.indent(sequence=4, offset=2)
yaml_parser.indent(mapping=2, sequence=4, offset=2)
(job_files, skipped_files) = jjb_files(project, release)
if skipped_files:
logger.info("Jobs already exists for %s in files: %s",
project, ', '.join(skipped_files))
# Exit if there are not jobs to create
if not job_files:
return
logger.info("Creating Jenkins Jobs for %s in files: %s",
project, ', '.join(job_files))
stable_branch_stream = """\
%s:
branch: 'stable/{stream}'
gs-pathname: '/{stream}'
disabled: false
""" % release
stable_branch_yaml = yaml_parser.load(stable_branch_stream)
stable_branch_yaml[release].yaml_set_anchor(release, always_dump=True)
for job_file in job_files:
yaml_jjb = yaml_parser.load(open(job_file))
if 'stream' not in yaml_jjb[0]['project']:
continue
# TODO: Some JJB files don't have 'stream'
project_config = yaml_jjb[0]['project']['stream']
# There is an odd issue where just appending adds a newline before the
# branch config, so we append (presumably after master) instead.
project_config.insert(1, stable_branch_yaml)
# NOTE: In the future, we may need to override one or multiple of the
# following ruamal Emitter methods:
# * ruamel.yaml.emitter.Emitter.expect_block_sequence_item
# * ruamel.yaml.emitter.Emitter.write_indent
# To hopefully replace the need to shell out to sed...
yaml_parser.dump(yaml_jjb, open(job_file, 'w'))
args = ['sed', '-i', 's/^ //', job_file]
subprocess.Popen(args, stdout=subprocess.PIPE, shell=False)
if __name__ == "__main__":
main()
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