druid/distribution/bin/find-missing-backports.py

109 lines
4.4 KiB
Python
Executable File

#!/usr/bin/env python3
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
import os
import re
import requests
import subprocess
import sys
def extract_pr_title_from_commit_message(commit_msg):
# Extract commit message except the pr number
pr_num_pos = commit_msg.find("(#")
if pr_num_pos < 0:
pr_num_pos = len(commit_msg)
backport_pos = commit_msg.find("[Backport]")
if backport_pos < 0:
backport_pos = 0
else:
backport_pos = backport_pos + len("[Backport]")
return commit_msg[backport_pos:pr_num_pos].strip()
def extract_pr_title(pr_json):
commit_url = pr_json['commits_url']
resp = requests.get(commit_url, auth=(github_username, os.environ["GIT_TOKEN"]))
title_candidates = [extract_pr_title_from_commit_message(pr_json['title'])]
if len(resp.json()) == 1:
title_candidates.append(extract_pr_title_from_commit_message(resp.json()[0]['commit']['message']))
return title_candidates
def find_missing_backports(pr_jsons, release_pr_subjects):
for pr in pr_jsons:
if pr['milestone'] is not None:
if pr['milestone']['number'] == milestone_number:
for pr_title_candidate in extract_pr_title(pr):
if pr_title_candidate in release_pr_subjects:
return
print("Missing backport found for PR {}, url: {}".format(pr['number'], pr['html_url']))
def find_next_url(links):
for link in links:
link = link.strip()
if link.find("rel=\"next\"") >= 0:
match_result = re.match("<https.*>", link)
if match_result is None:
raise Exception("Next link[{}] is found but can't find url".format(link))
else:
url_holder = match_result.group(0)
return url_holder[1:-1]
return None
if len(sys.argv) != 5:
sys.stderr.write('usage: program <github-username> <previous-release-branch> <current-release-branch> <milestone-number>\n')
sys.stderr.write(" e.g., program myusername 0.17.0 0.18.0 30")
sys.stderr.write(" It is also necessary to set a GIT_TOKEN environment variable containing a personal access token.")
sys.exit(1)
github_username = sys.argv[1]
previous_branch = sys.argv[2]
release_branch = sys.argv[3]
milestone_number = int(sys.argv[4])
master_branch = "master"
command = "git log {}..{} --oneline | tail -1".format(master_branch, previous_branch)
# Find the commit where the previous release branch was cut from master
previous_branch_first_commit = subprocess.check_output(command, shell=True).decode('UTF-8')
match_result = re.match("(\w+) .*", previous_branch_first_commit)
if match_result is None:
raise Exception("Can't find the first commit of the previous release.")
previous_branch_first_commit = match_result.group(1)
print("Previous branch: {}, first commit: {}".format(previous_branch, previous_branch_first_commit))
# Find all commits between that commit and the current release branch
command = "git log --pretty=tformat:%s {}..{}".format(previous_branch_first_commit, release_branch)
all_release_commits = subprocess.check_output(command, shell=True).decode('UTF-8')
release_pr_subjects = set()
for commit_msg in all_release_commits.splitlines():
title = extract_pr_title_from_commit_message(commit_msg)
release_pr_subjects.add(title)
# Get all closed PRs and filter out with milestone
next_url = "https://api.github.com/repos/apache/druid/pulls?state=closed"
while next_url is not None:
resp = requests.get(next_url, auth=(github_username, os.environ["GIT_TOKEN"]))
find_missing_backports(resp.json(), release_pr_subjects)
links = resp.headers['Link'].split(',')
next_url = find_next_url(links)