12dc33e30c
When we build our images we attempt to checkout all of the valid devstack branches so that we can list all of the images necessary to be cached for each branch. Unfortunately this devstack repo is owned by root during dib and snapshot image builds. This means we must use sudo when updating the repo (either changing branches or updating the current branch). Change-Id: I8cd09cfed4d586648dcbd34fa04bfc030c31ee45
200 lines
6.8 KiB
Python
Executable File
200 lines
6.8 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (C) 2011-2013 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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#
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import subprocess
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import sys
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# this is a bit weird; we want to get the filter to use on the
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# devstack lib/[apt|rpm] files to pre-install them. So we have to
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# swizzle things around
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RELEASE=None
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if 'DIB_RELEASE' in os.environ:
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RELEASE=os.environ['DIB_RELEASE']
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if 'DISTRO_NAME' in os.environ:
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if os.environ['DISTRO_NAME'] == 'centos7':
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# centos7 matches as rhel7 in devstack
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RELEASE='rhel7'
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if not RELEASE:
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print "Can not determine RELEASE"
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sys.exit(1)
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TMP_MOUNT_PATH = os.environ['TMP_MOUNT_PATH']
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TMP_HOOKS_PATH = os.environ['TMP_HOOKS_PATH']
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DEVSTACK = os.path.join(TMP_MOUNT_PATH, 'opt/git/openstack-dev/devstack')
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CACHEDIR = os.path.join(TMP_MOUNT_PATH, 'tmp')
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IMAGES=os.path.join(TMP_HOOKS_PATH, 'source-repository-images')
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def run_local(cmd, status=False, cwd='.', env={}):
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print "Running:", cmd
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newenv = os.environ
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newenv.update(env)
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, cwd=cwd,
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stderr=subprocess.STDOUT, env=newenv)
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(out, nothing) = p.communicate()
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if status:
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return (p.returncode, out.strip())
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return out.strip()
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def git_branches():
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branches = []
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for branch in run_local(['git', 'branch', '-a'], cwd=DEVSTACK).split("\n"):
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branch = branch.strip()
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if not branch.startswith('remotes/origin'):
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continue
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branches.append(branch)
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return branches
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def tokenize(fn, tokens, distribution, comment=None):
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for line in open(fn):
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if 'dist:' in line and ('dist:%s' % distribution not in line):
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continue
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if 'qpid' in line:
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continue # TODO: explain why this is here
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if comment and comment in line:
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line = line[:line.rfind(comment)]
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line = line.strip()
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if line and line not in tokens:
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tokens.append(line)
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def _legacy_find_images(basedir):
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"""Divine what images we should use based on parsing stackrc."""
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images = []
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for line in open(os.path.join(basedir, 'stackrc')):
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line = line.strip()
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if line.startswith('IMAGE_URLS'):
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if '#' in line:
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line = line[:line.rfind('#')]
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if line.endswith(';;'):
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line = line[:-2]
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line = line.split('=', 1)[1].strip()
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if line.startswith('${IMAGE_URLS:-'):
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line = line[len('${IMAGE_URLS:-'):]
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if line.endswith('}'):
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line = line[:-1]
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if not line:
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continue
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if line[0] == line[-1] == '"':
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line = line[1:-1]
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# Add image to the list to be downloaded, but
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# skip downloading giant vmware images
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images += [x.strip() for x in line.split(',')
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if not x.strip().endswith('vmdk')]
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return images
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def _find_images(basedir):
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images = []
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try:
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image_tool = os.path.join(basedir, 'tools', 'image_list.sh')
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if os.path.exists(image_tool):
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images = subprocess.check_output(image_tool).split('\n')
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except subprocess.CalledProcessError as ce:
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print "image_list.sh failed"
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print "Exit: %s, Output: %s" % (ce.returncode, ce.output)
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# reset images so we'll fall back
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images = []
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return images
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def local_prep(distribution):
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branches = []
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for branch in git_branches():
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# Ignore branches of the form 'somestring -> someotherstring'
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# as this denotes a symbolic reference and the entire string
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# as is cannot be checked out. We can do this safely as the
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# reference will refer to one of the other branches returned
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# by git_branches.
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if ' -> ' in branch:
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continue
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branch_data = {'name': branch}
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print 'Branch: ', branch
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run_local(['sudo', 'git', 'checkout', branch], cwd=DEVSTACK)
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run_local(['sudo', 'git', 'pull', '--ff-only', 'origin'], cwd=DEVSTACK)
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if os.path.exists(os.path.join(TMP_MOUNT_PATH, 'usr/bin/apt-get')):
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debs = []
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debdir = os.path.join(DEVSTACK, 'files', 'debs')
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if not os.path.exists(debdir):
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debdir = os.path.join(DEVSTACK, 'files', 'apts')
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for fn in os.listdir(debdir):
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fn = os.path.join(debdir, fn)
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tokenize(fn, debs, distribution, comment='#')
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branch_data['debs'] = debs
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if os.path.exists(os.path.join(TMP_MOUNT_PATH, 'usr/bin/rpm')):
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rpms = []
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rpmdir = os.path.join(DEVSTACK, 'files', 'rpms')
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for fn in os.listdir(rpmdir):
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fn = os.path.join(rpmdir, fn)
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tokenize(fn, rpms, distribution, comment='#')
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branch_data['rpms'] = rpms
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images = _find_images(DEVSTACK)
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if not images:
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images = _legacy_find_images(DEVSTACK)
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branch_data['images'] = images
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branches.append(branch_data)
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return branches
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def main():
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branches = local_prep(RELEASE)
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with open(os.path.join(CACHEDIR, 'pkgs-to-install'), 'w') as pkgs:
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for branch_data in branches:
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if branch_data.get('debs'):
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pkgs.write(" ".join(branch_data['debs']) + "\n")
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elif branch_data.get('rpms'):
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pkgs.write(" ".join(branch_data['rpms']) + "\n")
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else:
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sys.exit('No supported package data found.')
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image_filenames = []
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line_template = "%(name)s file %(location)s %(url)s\n"
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with open(IMAGES, 'w') as images_list:
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for branch_data in branches:
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for url in branch_data['images']:
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fname = url.split('/')[-1].strip()
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if fname == '':
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continue
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# TODO: There is an image in devstack that starts with
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# $HEAT_FETCHED_TEST_IMAGE
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if fname.startswith('$'):
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continue
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if fname in image_filenames:
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continue
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image_filenames.append(fname)
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args = dict(
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name=fname,
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location=os.path.join('/home/jenkins/cache/files', fname),
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url=url)
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images_list.write(line_template % args)
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if __name__ == '__main__':
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main()
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