295 lines
9.7 KiB
Python
295 lines
9.7 KiB
Python
# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import os.path
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import subprocess
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from openstack_releases import links
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# Disable warnings about insecure connections.
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from requests.packages import urllib3
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urllib3.disable_warnings()
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CGIT_SHA_TEMPLATE = 'http://git.openstack.org/cgit/%s/commit/?id=%s'
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CGIT_TAG_TEMPLATE = 'http://git.openstack.org/cgit/%s/tag/?h=%s'
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def find_modified_deliverable_files():
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"Return a list of files modified by the most recent commit."
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results = subprocess.check_output(
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['git', 'diff', '--name-only', '--pretty=format:', 'HEAD^']
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).decode('utf-8')
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filenames = [
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l.strip()
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for l in results.splitlines()
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if l.startswith('deliverables/')
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]
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return filenames
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def commit_exists(repo, ref):
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"""Return boolean specifying whether the reference exists in the repository.
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Uses a cgit query instead of looking locally to avoid cloning a
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repository or having Depends-On settings in a commit message allow
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someone to fool the check.
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"""
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url = CGIT_SHA_TEMPLATE % (repo, ref)
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return links.link_exists(url)
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def tag_exists(repo, ref):
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"""Return boolean specifying whether the reference exists in the repository.
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Uses a cgit query instead of looking locally to avoid cloning a
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repository or having Depends-On settings in a commit message allow
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someone to fool the check.
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"""
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url = CGIT_TAG_TEMPLATE % (repo, ref)
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return links.link_exists(url)
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def clone_repo(workdir, repo, ref=None):
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"Check out the code."
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dest = os.path.join(workdir, repo)
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if not os.path.exists(dest):
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cmd = [
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'zuul-cloner',
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'--workspace', workdir,
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]
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cache_dir = os.environ.get('ZUUL_CACHE_DIR', '/opt/git')
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if cache_dir and os.path.exists(cache_dir):
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cmd.extend(['--cache-dir', cache_dir])
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cmd.extend([
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'git://git.openstack.org',
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repo,
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])
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subprocess.check_call(cmd)
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# Force an update, just in case the local version is still out of
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# date.
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print('Updating newly cloned repository in %s' % dest)
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subprocess.check_call(
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['git', 'fetch', '-v', '--tags'],
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cwd=dest,
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)
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# If we were given some sort of reference, check that out.
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if ref:
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print('Updating %s to %s' % (repo, ref))
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subprocess.check_call(
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['git', 'checkout', ref],
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cwd=dest,
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)
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def sha_for_tag(workdir, repo, version):
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"""Return the SHA for a given tag
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"""
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# git log 2.3.11 -n 1 --pretty=format:%H
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try:
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actual_sha = subprocess.check_output(
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['git', 'log', str(version), '-n', '1', '--pretty=format:%H'],
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cwd=os.path.join(workdir, repo),
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stderr=subprocess.STDOUT,
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).decode('utf-8')
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actual_sha = actual_sha.strip()
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except subprocess.CalledProcessError as e:
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print('ERROR getting SHA for tag %r: %s [%s]' %
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(version, e, e.output.strip()))
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actual_sha = ''
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return actual_sha
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def _filter_branches(output):
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"Strip garbage from branch list output"
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return [
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n
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for n in output.strip().split()
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if '/' in n or n == 'master'
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]
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def check_branch_sha(workdir, repo, series, master, sha):
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"""Check if the SHA is in the targeted branch.
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The SHA must appear on a stable/$series branch (if it exists) or
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master (if stable/$series does not exist). It is up to the
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reviewer to verify that releases from master are in a sensible
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location relative to other existing branches.
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We do not compare $series against the existing branches ordering
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because that would prevent us from retroactively creating a stable
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branch for a project after a later stable branch is created (i.e.,
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if stable/N exists we could not create stable/N-1).
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"""
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remote_match = 'remotes/origin/stable/%s' % series
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try:
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containing_branches = _filter_branches(
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subprocess.check_output(
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['git', 'branch', '-a', '--contains', sha],
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cwd=os.path.join(workdir, repo),
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).decode('utf-8')
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)
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# If the patch is on the named branch, everything is fine.
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if remote_match in containing_branches:
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return True
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# If the expected branch does not exist yet, this may be a
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# late release attempt to create that branch or just a project
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# that hasn't branched, yet, and is releasing from master for
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# that series. Allow the release, as long as it is on the
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# master branch.
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all_branches = _filter_branches(
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subprocess.check_output(
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['git', 'branch', '-a'],
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cwd=os.path.join(workdir, repo),
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).decode('utf-8')
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)
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if (remote_match not in all_branches) and ('master' in containing_branches):
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return True
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# At this point we know the release is not from the required
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# branch and it is not from master, which means it is the
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# wrong branch and should not be allowed.
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return False
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except subprocess.CalledProcessError as e:
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print('ERROR checking SHA on branch: %s [%s]' % (e, e.output.strip()))
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return False
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def check_ancestry(workdir, repo, old_version, sha):
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"Check if the SHA is in the ancestry of the previous version."
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try:
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ancestors = subprocess.check_output(
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['git', 'log', '--oneline', '--ancestry-path',
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'%s..%s' % (old_version, sha)],
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cwd=os.path.join(workdir, repo),
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).decode('utf-8').strip()
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return bool(ancestors)
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except subprocess.CalledProcessError as e:
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print('ERROR checking ancestry: %s [%s]' % (e, e.output.strip()))
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return False
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def get_latest_tag(workdir, repo, sha=None):
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cmd = ['git', 'describe', '--abbrev=0']
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if sha is not None:
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cmd.append(sha)
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try:
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return subprocess.check_output(
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cmd,
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cwd=os.path.join(workdir, repo),
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stderr=subprocess.STDOUT,
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).decode('utf-8').strip()
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except subprocess.CalledProcessError as e:
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print('WARNING failed to retrieve latest tag: %s [%s]' %
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(e, e.output.strip()))
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return None
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def get_branches(workdir, repo):
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try:
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output = subprocess.check_output(
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['git', 'branch', '-a'],
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cwd=os.path.join(workdir, repo),
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stderr=subprocess.STDOUT,
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).decode('utf-8').strip()
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# Example output:
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# * (no branch)
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# master
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# stable/mitaka
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# stable/newton
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# stable/ocata
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# remotes/origin/HEAD -> origin/master
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# remotes/origin/master
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# remotes/origin/stable/mitaka
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# remotes/origin/stable/newton
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# remotes/origin/stable/ocata
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results = []
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for line in output.splitlines():
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branch = line.strip().lstrip('*').strip()
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if branch.startswith('('):
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continue
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if '->' in branch:
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continue
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results.append(branch)
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return results
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except subprocess.CalledProcessError as e:
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print('ERROR failed to retrieve list of branches: %s [%s]' %
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(e, e.output.strip()))
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return []
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def branches_containing(workdir, repo, ref):
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try:
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output = subprocess.check_output(
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['git', 'branch', '-r', '--contains', ref],
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cwd=os.path.join(workdir, repo),
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stderr=subprocess.STDOUT,
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).decode('utf-8').strip()
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# Example output:
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# origin/stable/ocata
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results = []
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for line in output.splitlines():
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results.append(line.strip())
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return results
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except subprocess.CalledProcessError as e:
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print('ERROR failed to retrieve list of branches containing %s: %s [%s]' %
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(ref, e, e.output.strip()))
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return []
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def get_branch_base(workdir, repo, branch):
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"Return SHA at base of branch."
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# http://stackoverflow.com/questions/1527234/finding-a-branch-point-with-git
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# git rev-list $(git rev-list --first-parent ^origin/stable/newton master | tail -n1)^^!
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#
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# Determine the first parent.
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cmd = [
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'git',
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'rev-list',
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'--first-parent',
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'^origin/{}'.format(branch),
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'master',
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]
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try:
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parents = subprocess.check_output(
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cmd,
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cwd=os.path.join(workdir, repo),
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stderr=subprocess.STDOUT,
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).decode('utf-8').strip()
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except subprocess.CalledProcessError as e:
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print('WARNING failed to retrieve branch base: %s [%s]' %
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(e, e.output.strip()))
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return None
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parent = parents.splitlines()[-1]
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# Now get the ^^! commit
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cmd = [
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'git',
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'rev-list',
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'{}^^!'.format(parent),
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]
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try:
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return subprocess.check_output(
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cmd,
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cwd=os.path.join(workdir, repo),
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stderr=subprocess.STDOUT,
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).decode('utf-8').strip()
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except subprocess.CalledProcessError as e:
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print('WARNING failed to retrieve branch base: %s [%s]' %
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(e, e.output.strip()))
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return None
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