ClickHouse/utils/github/__main__.py

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# -*- coding: utf-8 -*-
'''
Rules for commit messages, branch names and everything:
- All important(!) commits to master branch must originate from pull-requests.
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- All pull-requests must be squash-merged or explicitly merged without rebase.
- All pull-requests to master must have at least one label prefixed with `pr-`.
- Labels that require pull-request to be backported must be red colored (#ff0000).
- Stable branch name must be of form `YY.NUMBER`.
- All stable branches must be forked directly from the master branch and never be merged back,
or merged with any other branches based on the master branch (including master branch itself).
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Output of this script:
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- Commits without references from pull-requests.
- Pull-requests to master without proper labels.
- Pull-requests that need to be backported, with statuses per stable branch.
'''
from . import local, query
from . import parser as parse_description
import argparse
import re
import sys
try:
from termcolor import colored # `pip install termcolor`
except ImportError:
sys.exit("Package 'termcolor' not found. Try run: `pip3 install termcolor`")
CHECK_MARK = colored('🗸', 'green')
CROSS_MARK = colored('🗙', 'red')
BACKPORT_LABEL_MARK = colored('🏷', 'yellow')
CONFLICT_LABEL_MARK = colored('', 'yellow')
CLOCK_MARK = colored('', 'cyan')
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parser = argparse.ArgumentParser(description='Helper for the ClickHouse Release machinery')
parser.add_argument('--repo', '-r', type=str, default='', metavar='PATH',
help='path to the root of the ClickHouse repository')
parser.add_argument('--remote', type=str, default='origin',
help='remote name of the "ClickHouse/ClickHouse" upstream')
parser.add_argument('-n', type=int, default=3, dest='number',
help='number of last stable branches to consider')
parser.add_argument('--token', type=str, required=True,
help='token for Github access')
parser.add_argument('--login', type=str,
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help='filter authorship by login')
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parser.add_argument('--auto-label', action='store_true', dest='autolabel', default=True,
help='try to automatically parse PR description and put labels')
args = parser.parse_args()
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github = query.Query(args.token, 30)
repo = local.Local(args.repo, args.remote, github.get_default_branch())
stables = repo.get_stables()[-args.number:] # [(branch name, base)]
if not stables:
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sys.exit('No release branches found!')
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else:
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print('Found release branches:')
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for stable in stables:
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print(f'{CHECK_MARK} {stable[0]} forked from {stable[1]}')
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first_commit = stables[0][1]
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pull_requests = github.get_pull_requests(first_commit, args.login)
good_commits = set(pull_request['mergeCommit']['oid'] for pull_request in pull_requests)
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bad_commits = [] # collect and print them in the end
from_commit = repo.get_head_commit()
for i in reversed(range(len(stables))):
for commit in repo.iterate(from_commit, stables[i][1]):
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if str(commit) not in good_commits and commit.author.name != 'robot-clickhouse':
bad_commits.append(commit)
from_commit = stables[i][1]
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members = set(github.get_members("ClickHouse", "ClickHouse"))
def print_responsible(pull_request):
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if "author" not in pull_request or pull_request["author"] is None:
return "No author"
if pull_request["author"]["login"] in members:
return colored(pull_request["author"]["login"], 'green')
elif pull_request["mergedBy"]["login"] in members:
return f'{pull_request["author"]["login"]}{colored(pull_request["mergedBy"]["login"], "green")}'
else:
return f'{pull_request["author"]["login"]}{pull_request["mergedBy"]["login"]}'
bad_pull_requests = [] # collect and print if not empty
need_backporting = []
for pull_request in pull_requests:
def find_label():
for label in github.get_labels(pull_request):
if label['name'].startswith('pr-'):
if label['color'] == 'ff0000':
need_backporting.append(pull_request)
return True
return False
label_found = find_label()
if not label_found and args.autolabel:
print(f"Trying to auto-label pull-request: {pull_request['number']}")
description = parse_description.Description(pull_request)
if description.label_name:
github.set_label(pull_request, description.label_name)
label_found = find_label()
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if not label_found:
bad_pull_requests.append(pull_request)
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if bad_pull_requests:
print('\nPull-requests without description label:')
for bad in reversed(sorted(bad_pull_requests, key = lambda x : x['number'])):
print(f'{CROSS_MARK} {bad["number"]}: {bad["url"]} ({print_responsible(bad)})')
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# FIXME: compatibility logic, until the direct modification of master is not prohibited.
if bad_commits and not args.login:
print('\nCommits not referenced by any pull-request:')
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for bad in bad_commits:
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print(f'{CROSS_MARK} {bad} {bad.author}')
# TODO: check backports.
if need_backporting:
re_vlabel = re.compile(r'^v\d+\.\d+$')
re_vlabel_conflicts = re.compile(r'^v\d+\.\d+-conflicts$')
print('\nPull-requests need to be backported:')
for pull_request in reversed(sorted(need_backporting, key=lambda x: x['number'])):
targets = [] # use common list for consistent order in output
good = set()
backport_labeled = set()
conflict_labeled = set()
wait = set()
for stable in stables:
if repo.comparator(stable[1]) < repo.comparator(pull_request['mergeCommit']['oid']):
targets.append(stable[0])
# FIXME: compatibility logic - check for a manually set label, that indicates status 'backported'.
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# FIXME: O(n²) - no need to iterate all labels for every `stable`
for label in github.get_labels(pull_request):
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if re_vlabel.match(label['name']):
if f'v{stable[0]}' == label['name']:
backport_labeled.add(stable[0])
if re_vlabel_conflicts.match(label['name']):
if f'v{stable[0]}-conflicts' == label['name']:
conflict_labeled.add(stable[0])
for event in github.get_timeline(pull_request):
if(event['isCrossRepository'] or
event['target']['number'] != pull_request['number'] or
event['source']['baseRefName'] not in targets):
continue
found_label = False
for label in github.get_labels(event['source']):
if label['name'] == 'pr-backport':
found_label = True
break
if not found_label:
continue
if event['source']['merged']:
good.add(event['source']['baseRefName'])
else:
wait.add(event['source']['baseRefName'])
# print pull-request's status
if len(good) + len(backport_labeled) + len(conflict_labeled) == len(targets):
print(f'{CHECK_MARK}', end=' ')
else:
print(f'{CROSS_MARK}', end=' ')
print(f'{pull_request["number"]}', end=':')
for target in targets:
if target in good:
print(f'\t{CHECK_MARK} {target}', end='')
elif target in backport_labeled:
print(f'\t{BACKPORT_LABEL_MARK} {target}', end='')
elif target in conflict_labeled:
print(f'\t{CONFLICT_LABEL_MARK} {target}', end='')
elif target in wait:
print(f'\t{CLOCK_MARK} {target}', end='')
else:
print(f'\t{CROSS_MARK} {target}', end='')
print(f'\t{pull_request["url"]} ({print_responsible(pull_request)})')
# print legend
print('\nLegend:')
print(f'{CHECK_MARK} - good')
print(f'{CROSS_MARK} - bad')
print(f'{BACKPORT_LABEL_MARK} - backport is detected via label')
print(f'{CONFLICT_LABEL_MARK} - backport conflict is detected via label')
print(f'{CLOCK_MARK} - backport is waiting to merge')
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# print API costs
print('\nGitHub API total costs per query:')
for name, value in github.api_costs.items():
print(f'{name} : {value}')