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release-tools/contrib/get_supported_version_csi-sidecar.py
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| # Copyright 2023 The Kubernetes 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. | ||
|
|
||
| import argparse | ||
| import datetime | ||
| import re | ||
| from collections import defaultdict | ||
| import subprocess | ||
| import shutil | ||
| from dateutil.relativedelta import relativedelta | ||
|
|
||
| def check_gh_command(): | ||
| """ | ||
| Pretty much everything is processed from `gh` | ||
| Check that the `gh` command is in the path before anything else | ||
| """ | ||
| if not shutil.which('gh'): | ||
| print("Error: The `gh` command is not available in the PATH.") | ||
| print("Please install the GitHub CLI (https://cli.github.com/) and try again.") | ||
| exit(1) | ||
|
|
||
| def duration_ago(dt): | ||
| """ | ||
| Humanize duration outputs | ||
| """ | ||
| delta = relativedelta(datetime.datetime.now(), dt) | ||
| if delta.years > 0: | ||
| return f"{delta.years} year{'s' if delta.years > 1 else ''} ago" | ||
| elif delta.months > 0: | ||
| return f"{delta.months} month{'s' if delta.months > 1 else ''} ago" | ||
| elif delta.days > 0: | ||
| return f"{delta.days} day{'s' if delta.days > 1 else ''} ago" | ||
| elif delta.hours > 0: | ||
| return f"{delta.hours} hour{'s' if delta.hours > 1 else ''} ago" | ||
| elif delta.minutes > 0: | ||
| return f"{delta.minutes} minute{'s' if delta.minutes > 1 else ''} ago" | ||
| else: | ||
| return "just now" | ||
|
|
||
| def parse_version(version): | ||
| """ | ||
| Parse version assuming it is in the form of v1.2.3 | ||
| """ | ||
| pattern = r"v(\d+)\.(\d+)\.(\d+)" | ||
| match = re.match(pattern, version) | ||
| if match: | ||
| major, minor, patch = map(int, match.groups()) | ||
| return (major, minor, patch) | ||
|
|
||
| def end_of_life_grouped_versions(versions): | ||
| """ | ||
| Calculate the end of life date for a minor release version according to : https://kubernetes-csi.github.io/docs/project-policies.html#support | ||
| The input is an array of tuples of: | ||
| * grouped versions (e.g. 1.0, 1.1) | ||
| * array of that contains all versions and their release date (e.g. 1.0.0, 01-01-2013) | ||
| versions structure example : | ||
| [((3, 5), [('v3.5.0', datetime.datetime(2023, 4, 27, 22, 28, 6))]), | ||
| ((3, 4), | ||
| [('v3.4.1', datetime.datetime(2023, 4, 5, 17, 41, 15)), | ||
| ('v3.4.0', datetime.datetime(2022, 12, 27, 23, 43, 41))])] | ||
| """ | ||
| supported_versions = [] | ||
| # Prepare dates for later calculation | ||
| now = datetime.datetime.now() | ||
| one_year = datetime.timedelta(days=365) | ||
| three_months = datetime.timedelta(days=90) | ||
|
|
||
| # get the newer versions on top | ||
| sorted_versions_list = sorted(versions.items(), key=lambda x: x[0], reverse=True) | ||
|
|
||
| # the latest version is always supported no matter the release date | ||
| latest = sorted_versions_list.pop(0) | ||
| supported_versions.append(latest[1][-1]) | ||
|
|
||
| for v in sorted_versions_list: | ||
| first_release = v[1][-1] | ||
| last_release = v[1][0] | ||
| # if the release is less than a year old we support the latest patch version | ||
| if now - first_release[1] < one_year: | ||
| supported_versions.append(last_release) | ||
| # if the main release is older than a year and has a recent path, this is supported | ||
| elif now - last_release[1] < three_months: | ||
| supported_versions.append(last_release) | ||
| return supported_versions | ||
|
|
||
| def get_release_docker_image(repo, version): | ||
| """ | ||
| Extract docker image name from the release page documentation | ||
| """ | ||
| output = subprocess.check_output(['gh', 'release', '-R', repo, 'view', version], text=True) | ||
| #Extract matching image name excluding ` | ||
| match = re.search(r"docker pull ([\.\/\-\:\w\d]*)", output) | ||
| docker_image = match.group(1) if match else '' | ||
| return((version, docker_image)) | ||
|
|
||
| def get_versions_from_releases(repo): | ||
| """ | ||
| Using `gh` cli get the github releases page details then | ||
| create a list of grouped version on major.minor | ||
| and for each give all major.minor.patch with release dates | ||
| """ | ||
| # Run the `gh release` command to get the release list | ||
| output = subprocess.check_output(['gh', 'release', '-R', repo, 'list'], text=True) | ||
| # Parse the output and group by major and minor version numbers | ||
| versions = defaultdict(lambda: []) | ||
| for line in output.strip().split('\n'): | ||
| parts = line.split('\t') | ||
| # pprint.pprint(parts) | ||
| version = parts[0] | ||
| parsed_version = parse_version(version) | ||
| if parsed_version is None: | ||
| continue | ||
| major, minor, patch = parsed_version | ||
|
|
||
| published = datetime.datetime.strptime(parts[3], '%Y-%m-%dT%H:%M:%SZ') | ||
| versions[(major, minor)].append((version, published)) | ||
| return(versions) | ||
|
|
||
|
|
||
| def main(): | ||
| manual = """ | ||
| This script lists the supported versions Github releases according to https://kubernetes-csi.github.io/docs/project-policies.html#support | ||
| It has been designed to help to update the tables from : https://kubernetes-csi.github.io/docs/sidecar-containers.html\n\n | ||
| It can take multiple repos as argument, for all CSI sidecars details you can run: | ||
| ./get_supported_version_csi-sidecar.py -R kubernetes-csi/external-attacher -R kubernetes-csi/external-provisioner -R kubernetes-csi/external-resizer -R kubernetes-csi/external-snapshotter -R kubernetes-csi/livenessprobe -R kubernetes-csi/node-driver-registrar -R kubernetes-csi/external-health-monitor\n | ||
| With the output you can then update the documentation manually. | ||
| """ | ||
| parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter, description=manual) | ||
| parser.add_argument('--repo', '-R', required=True, action='append', dest='repos', help='The name of the repository in the format owner/repo.') | ||
| parser.add_argument('--display', '-d', action='store_true', help='(default) Display EOL versions with their dates', default=True) | ||
| parser.add_argument('--doc', '-D', action='store_true', help='Helper to https://kubernetes-csi.github.io/docs/ that prints Docker image for each EOL version') | ||
|
|
||
| args = parser.parse_args() | ||
|
|
||
| # Verify pre-reqs | ||
| check_gh_command() | ||
|
|
||
| # Process all repos | ||
| for repo in args.repos: | ||
| versions = get_versions_from_releases(repo) | ||
| eol_versions = end_of_life_grouped_versions(versions) | ||
|
|
||
| if args.display: | ||
| print(f"Supported versions with release date and age of `{repo}`:\n") | ||
| for version in eol_versions: | ||
| print(f"{version[0]}\t{version[1].strftime('%Y-%m-%d')}\t{duration_ago(version[1])}") | ||
|
|
||
| # TODO : generate proper doc output for the tables of: https://kubernetes-csi.github.io/docs/sidecar-containers.html | ||
| if args.doc: | ||
| print("\nSupported Versions with docker images for each end of life version:\n") | ||
| for version in eol_versions: | ||
| _, image = get_release_docker_image(repo, version[0]) | ||
| print(f"{version[0]}\t{image}") | ||
| print() | ||
|
|
||
| if __name__ == '__main__': | ||
| main() |
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