ClickHouse/tests/ci/commit_status_helper.py

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#!/usr/bin/env python3
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from collections import defaultdict
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from pathlib import Path
from typing import Dict, List, Optional, Union
import csv
import logging
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import time
from github import Github
from github.Commit import Commit
from github.CommitStatus import CommitStatus
from github.GithubException import GithubException
from github.GithubObject import _NotSetType, NotSet as NotSet
from github.IssueComment import IssueComment
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from github.PullRequest import PullRequest
from github.Repository import Repository
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from ci_config import CI_CONFIG, REQUIRED_CHECKS, CHECK_DESCRIPTIONS, CheckDescription
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from env_helper import GITHUB_REPOSITORY, GITHUB_RUN_URL
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from pr_info import PRInfo, SKIP_MERGEABLE_CHECK_LABEL
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from report import (
ERROR,
FAILURE,
PENDING,
StatusType,
SUCCESS,
TestResult,
TestResults,
get_worst_status,
)
from s3_helper import S3Helper
from upload_result_helper import upload_results
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RETRY = 5
CommitStatuses = List[CommitStatus]
MERGEABLE_NAME = "Mergeable Check"
GH_REPO = None # type: Optional[Repository]
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CI_STATUS_NAME = "CI running"
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class RerunHelper:
def __init__(self, commit: Commit, check_name: str):
self.check_name = check_name
self.commit = commit
self.statuses = get_commit_filtered_statuses(commit)
def is_already_finished_by_status(self) -> bool:
# currently we agree even for failed statuses
for status in self.statuses:
if self.check_name in status.context and status.state in (
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SUCCESS,
FAILURE,
):
return True
return False
def get_finished_status(self) -> Optional[CommitStatus]:
for status in self.statuses:
if self.check_name in status.context:
return status
return None
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def override_status(status: str, check_name: str, invert: bool = False) -> str:
test_config = CI_CONFIG.test_configs.get(check_name)
if test_config and test_config.force_tests:
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return SUCCESS
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if invert:
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if status == SUCCESS:
return ERROR
return SUCCESS
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return status
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def get_commit(gh: Github, commit_sha: str, retry_count: int = RETRY) -> Commit:
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for i in range(retry_count):
try:
repo = get_repo(gh)
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commit = repo.get_commit(commit_sha)
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break
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except Exception as ex:
if i == retry_count - 1:
raise ex
time.sleep(i)
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return commit
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def post_commit_status(
commit: Commit,
state: str,
report_url: Union[_NotSetType, str] = NotSet,
description: Union[_NotSetType, str] = NotSet,
check_name: Union[_NotSetType, str] = NotSet,
pr_info: Optional[PRInfo] = None,
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) -> None:
"""The parameters are given in the same order as for commit.create_status,
if an optional parameter `pr_info` is given, the `set_status_comment` functions
is invoked to add or update the comment with statuses overview"""
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for i in range(RETRY):
try:
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commit.create_status(
state=state,
target_url=report_url,
description=description,
context=check_name,
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)
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break
except Exception as ex:
if i == RETRY - 1:
raise ex
time.sleep(i)
if pr_info:
status_updated = False
for i in range(RETRY):
try:
set_status_comment(commit, pr_info)
status_updated = True
break
except Exception as ex:
logging.warning(
"Failed to update the status commit, will retry %s times: %s",
RETRY - i - 1,
ex,
)
if not status_updated:
logging.error("Failed to update the status comment, continue anyway")
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STATUS_ICON_MAP = defaultdict(
str,
{
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ERROR: "",
FAILURE: "",
PENDING: "",
SUCCESS: "",
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},
)
def set_status_comment(commit: Commit, pr_info: PRInfo) -> None:
"""It adds or updates the comment status to all Pull Requests but for release
one, so the method does nothing for simple pushes and pull requests with
`release`/`release-lts` labels"""
# to reduce number of parameters, the Github is constructed on the fly
gh = Github()
gh.__requester = commit._requester # type:ignore #pylint:disable=protected-access
repo = get_repo(gh)
statuses = sorted(get_commit_filtered_statuses(commit), key=lambda x: x.context)
if not statuses:
return
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if not [status for status in statuses if status.context == CI_STATUS_NAME]:
# This is the case, when some statuses already exist for the check,
# but not the CI_STATUS_NAME. We should create it as pending.
# W/o pr_info to avoid recursion, and yes, one extra create_ci_report
post_commit_status(
commit,
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PENDING,
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create_ci_report(pr_info, statuses),
"The report for running CI",
CI_STATUS_NAME,
)
# We update the report in generate_status_comment function, so do it each
# run, even in the release PRs and normal pushes
comment_body = generate_status_comment(pr_info, statuses)
# We post the comment only to normal and backport PRs
if pr_info.number == 0 or pr_info.labels.intersection({"release", "release-lts"}):
return
comment_service_header = comment_body.split("\n", 1)[0]
comment = None # type: Optional[IssueComment]
pr = repo.get_pull(pr_info.number)
for ic in pr.get_issue_comments():
if ic.body.startswith(comment_service_header):
comment = ic
break
if comment is None:
pr.create_issue_comment(comment_body)
return
if comment.body == comment_body:
logging.info("The status comment is already updated, no needs to change it")
return
comment.edit(comment_body)
def generate_status_comment(pr_info: PRInfo, statuses: CommitStatuses) -> str:
"""The method generates the comment body, as well it updates the CI report"""
report_url = create_ci_report(pr_info, statuses)
worst_state = get_worst_state(statuses)
comment_body = (
f"<!-- automatic status comment for PR #{pr_info.number} "
f"from {pr_info.head_name}:{pr_info.head_ref} -->\n"
f"*This is an automated comment for commit {pr_info.sha} with "
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f"description of existing statuses. It's updated for the latest CI running*\n\n"
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f"[{STATUS_ICON_MAP[worst_state]} Click here]({report_url}) to open a full report in a separate page\n"
f"\n"
)
# group checks by the name to get the worst one per each
grouped_statuses = {} # type: Dict[CheckDescription, CommitStatuses]
for status in statuses:
cd = None
for c in CHECK_DESCRIPTIONS:
if c.match_func(status.context):
cd = c
break
if cd is None or cd == CHECK_DESCRIPTIONS[-1]:
# This is the case for either non-found description or a fallback
cd = CheckDescription(
status.context,
CHECK_DESCRIPTIONS[-1].description,
CHECK_DESCRIPTIONS[-1].match_func,
)
if cd in grouped_statuses:
grouped_statuses[cd].append(status)
else:
grouped_statuses[cd] = [status]
table_header = (
"<table>\n"
"<thead><tr><th>Check name</th><th>Description</th><th>Status</th></tr></thead>\n"
"<tbody>\n"
)
table_footer = "<tbody>\n</table>\n"
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details_header = "<details><summary>Successful checks</summary>\n"
details_footer = "</details>\n"
visible_table_rows = [] # type: List[str]
hidden_table_rows = [] # type: List[str]
for desc, gs in grouped_statuses.items():
state = get_worst_state(gs)
state_text = f"{STATUS_ICON_MAP[state]} {state}"
# take the first target_url with the worst state
for status in gs:
if status.target_url and status.state == state:
state_text = f'<a href="{status.target_url}">{state_text}</a>'
break
table_row = (
f"<tr><td>{desc.name}</td><td>{desc.description}</td>"
f"<td>{state_text}</td></tr>\n"
)
if state == SUCCESS:
hidden_table_rows.append(table_row)
else:
visible_table_rows.append(table_row)
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result = [comment_body]
if hidden_table_rows:
hidden_table_rows.sort()
result.append(details_header)
result.append(table_header)
result.extend(hidden_table_rows)
result.append(table_footer)
result.append(details_footer)
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if visible_table_rows:
visible_table_rows.sort()
result.append(table_header)
result.extend(visible_table_rows)
result.append(table_footer)
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return "".join(result)
def get_worst_state(statuses: CommitStatuses) -> str:
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return get_worst_status(status.state for status in statuses)
def create_ci_report(pr_info: PRInfo, statuses: CommitStatuses) -> str:
"""The function converst the statuses to TestResults and uploads the report
to S3 tests bucket. Then it returns the URL"""
test_results = [] # type: TestResults
for status in statuses:
log_urls = []
if status.target_url is not None:
log_urls.append(status.target_url)
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raw_logs = status.description or None
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test_results.append(
TestResult(
status.context, status.state, log_urls=log_urls, raw_logs=raw_logs
)
)
return upload_results(
S3Helper(), pr_info.number, pr_info.sha, test_results, [], CI_STATUS_NAME
)
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def post_commit_status_to_file(
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file_path: Path, description: str, state: str, report_url: str
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) -> None:
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if file_path.exists():
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raise Exception(f'File "{file_path}" already exists!')
with open(file_path, "w", encoding="utf-8") as f:
out = csv.writer(f, delimiter="\t")
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out.writerow([state, report_url, description])
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def get_commit_filtered_statuses(commit: Commit) -> CommitStatuses:
"""
Squash statuses to latest state
1. context="first", state="success", update_time=1
2. context="second", state="success", update_time=2
3. context="first", stat="failure", update_time=3
=========>
1. context="second", state="success"
2. context="first", stat="failure"
"""
filtered = {}
for status in sorted(commit.get_statuses(), key=lambda x: x.updated_at):
filtered[status.context] = status
return list(filtered.values())
def get_repo(gh: Github) -> Repository:
global GH_REPO
if GH_REPO is not None:
return GH_REPO
GH_REPO = gh.get_repo(GITHUB_REPOSITORY)
return GH_REPO
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def remove_labels(gh: Github, pr_info: PRInfo, labels_names: List[str]) -> None:
repo = get_repo(gh)
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pull_request = repo.get_pull(pr_info.number)
for label in labels_names:
try:
pull_request.remove_from_labels(label)
except GithubException as exc:
if not (
exc.status == 404
and isinstance(exc.data, dict)
and exc.data.get("message", "") == "Label does not exist"
):
raise
logging.warning(
"The label '%s' does not exist in PR #%s", pr_info.number, label
)
pr_info.labels.remove(label)
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def post_labels(gh: Github, pr_info: PRInfo, labels_names: List[str]) -> None:
repo = get_repo(gh)
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pull_request = repo.get_pull(pr_info.number)
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for label in labels_names:
pull_request.add_to_labels(label)
pr_info.labels.add(label)
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def format_description(description: str) -> str:
if len(description) > 140:
description = description[:137] + "..."
return description
def set_mergeable_check(
commit: Commit,
description: str = "",
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state: StatusType = "success",
) -> None:
commit.create_status(
context=MERGEABLE_NAME,
description=description,
state=state,
target_url=GITHUB_RUN_URL,
)
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def update_mergeable_check(gh: Github, pr_info: PRInfo, check_name: str) -> None:
not_run = (
pr_info.labels.intersection({SKIP_MERGEABLE_CHECK_LABEL, "release"})
or check_name not in REQUIRED_CHECKS
or pr_info.release_pr
or pr_info.number == 0
)
if not_run:
# Let's avoid unnecessary work
return
logging.info("Update Mergeable Check by %s", check_name)
commit = get_commit(gh, pr_info.sha)
statuses = get_commit_filtered_statuses(commit)
required_checks = [
status for status in statuses if status.context in REQUIRED_CHECKS
]
mergeable_status = None
for status in statuses:
if status.context == MERGEABLE_NAME:
mergeable_status = status
break
success = []
fail = []
for status in required_checks:
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if status.state == SUCCESS:
success.append(status.context)
else:
fail.append(status.context)
if fail:
description = "failed: " + ", ".join(fail)
description = format_description(description)
if mergeable_status is None or mergeable_status.description != description:
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set_mergeable_check(commit, description, FAILURE)
return
description = ", ".join(success)
description = format_description(description)
if mergeable_status is None or mergeable_status.description != description:
set_mergeable_check(commit, description)