project-config/nodepool/scripts/cache_git_repos.py
James E. Blair 5904df1e86 Update URL for projects.yaml
Update the URL of projects.yaml used by the git repo cache scripts
in nodepool image builds.

Change-Id: I9adce15a0a651b7cda0cef8ec7efec332774826b
2014-09-25 15:47:54 -07:00

89 lines
2.8 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright (C) 2011-2013 OpenStack Foundation
#
# 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 os.path
import re
import shutil
import sys
import urllib2
from common import run_local
URL = ('https://git.openstack.org/cgit/openstack-infra/project-config/'
'plain/gerrit/projects.yaml')
PROJECT_RE = re.compile('^-?\s+project:\s+(.*)$')
# Not using an arg libraries in order to avoid module imports that
# are not available across all python versions
if len(sys.argv) > 1:
GIT_BASE = sys.argv[1]
else:
GIT_BASE = 'git://git.openstack.org'
def clone_repo(project):
remote = '%s/%s.git' % (GIT_BASE, project)
# Clear out any existing target directory first, in case of a retry.
try:
shutil.rmtree(os.path.join('/opt/git', project))
except OSError:
pass
# Try to clone the requested git repository.
(status, out) = run_local(['git', 'clone', remote, project],
status=True, cwd='/opt/git')
# If it claims to have worked, make sure we can list branches.
if status == 0:
(status, moreout) = run_local(['git', 'branch', '-a'], status=True,
cwd=os.path.join('/opt/git', project))
out = '\n'.join((out, moreout))
# If that worked, try resetting to HEAD to make sure it's there.
if status == 0:
(status, moreout) = run_local(['git', 'reset', '--hard', 'HEAD'],
status=True,
cwd=os.path.join('/opt/git', project))
out = '\n'.join((out, moreout))
# Status of 0 imples all the above worked, 1 means something failed.
return (status, out)
def main():
# TODO(jeblair): use gerrit rest api when available
data = urllib2.urlopen(URL).read()
for line in data.split('\n'):
# We're regex-parsing YAML so that we don't have to depend on the
# YAML module which is not in the stdlib.
m = PROJECT_RE.match(line)
if m:
(status, out) = clone_repo(m.group(1))
print out
if status != 0:
print 'Retrying to clone %s' % m.group(1)
(status, out) = clone_repo(m.group(1))
print out
if status != 0:
raise Exception('Failed to clone %s' % m.group(1))
if __name__ == '__main__':
main()