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d610c51007
New Kubernetes versions are now prefixed with "Kubernetes", like:
$ ./scripts/get_patch_release.py
Kubernetes v1.18.13
Kubernetes v1.17.15
Kubernetes v1.19.5
Kubernetes v1.20.0
Kubernetes v1.20.0-rc.0
v1.20.0-beta.2
v1.18.12
v1.19.4
v1.17.14
v1.20.0-beta.1
v1.20.0-beta.0
v1.20.0-alpha.3
v1.18.10
v1.17.13
The new "Kubernetes" prefix prevents the current logic to not match the
version. By splitting the returned version string on words, and
returning the last component in get_releases(), the script works as
intended again.
Signed-off-by: Niels de Vos <ndevos@redhat.com>
131 lines
3.5 KiB
Python
Executable File
131 lines
3.5 KiB
Python
Executable File
#!/usr/bin/python
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'''
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Fetches the Kubernetes releases from GitHub and returns the most recent patch
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release for a major version (like 1.19). In case the version that is passed
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contains the patch release already, the latest patch release will not be
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detected, but the passed version will be returned (enables forcing a particular
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version in CI jobs).
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Parameters:
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--version=<version>: the major version to find the latest patch release for, i.e. v1.19
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Environment:
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GITHUB_API_TOKEN: the GitHub "personal access token" to use
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'''
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import argparse
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import os
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import requests
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from requests.auth import HTTPBasicAuth
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import sys
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RELEASE_URL = 'https://api.github.com/repos/kubernetes/kubernetes/releases'
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'''
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URL for fetching the releases. Add '?per_num=50' to increase the number of
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returned releases from default 30 to 50 (max 100).
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'''
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def log_rate_limit(res):
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limit = -1
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if 'X-Ratelimit-Limit' in res.headers:
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limit = int(res.headers['X-Ratelimit-Limit'])
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remaining = -1
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if 'X-Ratelimit-Remaining' in res.headers:
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remaining = int(res.headers['X-Ratelimit-Remaining'])
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used = -1
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if 'X-Ratelimit-Used' in res.headers:
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used = int(res.headers['X-Ratelimit-Used'])
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print('Rate limit (limit/used/remaining): %d/%d/%d' % (limit, used, remaining))
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def get_github_auth():
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auth = None
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if 'GITHUB_API_TOKEN' in os.environ:
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github_api_token = os.environ['GITHUB_API_TOKEN']
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if github_api_token != '':
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# the username "unused" is not relevant, needs to be non-empty
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auth = HTTPBasicAuth('unused', github_api_token)
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return auth
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def get_json_releases():
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'''
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Fetch the releases from GitHub, return the full JSON structures that were
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obtained.
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'''
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headers = {'Accept': 'application/vnd.github.v3+json'}
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res = requests.get(RELEASE_URL, headers=headers, auth=get_github_auth())
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if res.status_code == 403:
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log_rate_limit(res)
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# if "res.status_code != requests.codes.ok", raise an exception
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res.raise_for_status()
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return res.json()
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def get_releases(gh_releases):
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'''
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Take the JSON formatted releases, and return a list of the name for each label.
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'''
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releases = list()
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for release in gh_releases:
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releases.append(release['name'].split()[-1])
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return releases
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def main():
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'''
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main() function to parse arguments and run the actions.
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'''
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parser = argparse.ArgumentParser()
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parser.add_argument('--version', help='major version to find patch release for')
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args = parser.parse_args()
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# get all the releases
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try:
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json = get_json_releases()
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except Exception as err:
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print('Error: %s' % err)
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sys.exit(1)
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releases = get_releases(json)
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# in case --version is passed, exit with 0 or 1
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if args.version:
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version = args.version
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if not version.startswith('v'):
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version = 'v' + version
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# when version already contains the patch release, do not run any
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# detection
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if len(version.split('.')) >= 3:
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print(version)
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sys.exit(0)
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# releases are ordered from newest to oldest, so the 1st match is the
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# most current patch update
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for release in releases:
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if release.startswith(version + '.'):
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print(release)
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sys.exit(0)
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# no match, exit with an error
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sys.exit(1)
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# --version was not passed, list all releases
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else:
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for release in releases:
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print(release)
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sys.exit(0)
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if __name__ == '__main__':
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main()
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