287 lines
11 KiB
Python
Executable File
287 lines
11 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2016 Red Hat, Inc.
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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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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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import os
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import re
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import subprocess
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import requests
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TITLE_RE = re.compile('\\[(.*)\\]')
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PRIORITY_RE = re.compile('priority=\\d+')
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# Packages to be included from delorean-current when using current-tripleo
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INCLUDE_PKGS = ('includepkgs=instack,instack-undercloud,'
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'os-apply-config,os-collect-config,os-net-config,'
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'os-refresh-config,python-tripleoclient,'
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'openstack-tripleo-*,openstack-puppet-modules,'
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'puppet-*,python*-tripleo-common,python*-paunch*')
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DEFAULT_OUTPUT_PATH = '/etc/yum.repos.d'
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DEFAULT_RDO_MIRROR = 'https://trunk.rdoproject.org'
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RDO_RE = re.compile('baseurl=%s' % DEFAULT_RDO_MIRROR)
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DEFAULT_CENTOS_MIRROR = 'http://mirror.centos.org'
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CENTOS_RE = re.compile('baseurl=%s' % DEFAULT_CENTOS_MIRROR)
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CEPH_REPO_TEMPLATE = '''
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[tripleo-centos-ceph-%(ceph_release)s]
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name=tripleo-centos-ceph-%(ceph_release)s
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baseurl=%(centos_mirror)s/centos/7/storage/x86_64/ceph-%(ceph_release)s/
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gpgcheck=0
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enabled=1
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'''
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OPSTOOLS_REPO_TEMPLATE = '''
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[tripleo-centos-opstools]
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name=tripleo-centos-opstools
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baseurl=%s/centos/7/opstools/x86_64/
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gpgcheck=0
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enabled=1
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'''
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class InvalidArguments(Exception):
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pass
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class NoRepoTitle(Exception):
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pass
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def _parse_args():
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parser = argparse.ArgumentParser(
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description='Download and install repos necessary for TripleO. Note '
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'that some of these repos require yum-plugin-priorities, '
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'so that will also be installed.',
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formatter_class=argparse.ArgumentDefaultsHelpFormatter)
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parser.add_argument('repos', metavar='REPO', nargs='+',
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choices=['current', 'deps', 'current-tripleo',
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'current-tripleo-dev', 'ceph', 'opstools'],
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help='A list of repos. Available repos: '
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'%(choices)s. The deps repo will always be '
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'included when using current or '
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'current-tripleo. current-tripleo-dev '
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'downloads the current-tripleo, current, and '
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'deps repos, but sets the current repo to only '
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'be used for TripleO projects. It also modifies '
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'each repo\'s priority so packages are installed '
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'from the appropriate location.')
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parser.add_argument('-d', '--distro',
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default='centos7',
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help='Target distro. Currently only centos7 is '
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'supported')
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parser.add_argument('-b', '--branch',
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default='master',
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help='Target branch. Should be the lowercase name of '
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'the OpenStack release. e.g. liberty')
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parser.add_argument('-o', '--output-path',
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default=DEFAULT_OUTPUT_PATH,
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help='Directory in which to save the selected repos.')
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parser.add_argument('--centos-mirror',
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default=DEFAULT_CENTOS_MIRROR,
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help='Server from which to install base CentOS '
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'packages.')
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parser.add_argument('--rdo-mirror',
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default=DEFAULT_RDO_MIRROR,
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help='Server from which to install RDO packages.')
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return parser.parse_args()
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def _get_repo(path, args):
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r = requests.get(path)
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if r.status_code == 200:
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return _inject_mirrors(r.text, args)
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else:
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r.raise_for_status()
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def _write_repo(content, target):
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m = TITLE_RE.search(content)
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if not m:
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raise NoRepoTitle('Could not find repo title in: \n%s' % content)
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filename = m.group(1) + '.repo'
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filename = os.path.join(target, filename)
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with open(filename, 'w') as f:
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f.write(content)
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print('Installed repo %s to %s' % (m.group(1), filename))
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def _validate_distro_repos(args):
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"""Validate requested repos are valid for the distro"""
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if args.distro in ['fedora']:
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valid_repos = ['current', 'ceph', 'deps']
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elif args.distro in ['centos7']:
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valid_repos = ['ceph', 'current', 'current-tripleo',
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'current-tripleo-dev', 'deps']
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invalid_repos = [x for x in args.repos if x not in valid_repos]
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if len(invalid_repos) > 0:
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raise InvalidArguments('{} repo(s) are not valid for {}. Valid repos '
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'are: {}'.format(invalid_repos, args.distro,
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valid_repos))
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return True
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def _validate_current_tripleo(repos):
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"""Validate current usage
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current and current-tripleo cannot be specified with each other and
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current-tripleo-dev is a mix of current, current-tripleo and deps
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so they should not be specified on the command line with each other.
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"""
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if 'current-tripleo' in repos and 'current' in repos:
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raise InvalidArguments('Cannot use current and current-tripleo at the '
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'same time.')
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if 'current-tripleo-dev' not in repos:
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return True
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if 'current' in repos or 'current-tripleo' in repos or 'deps' in repos:
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raise InvalidArguments('current-tripleo-dev should not be used with '
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'any other RDO Trunk repos.')
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return True
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def _validate_args(args):
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_validate_current_tripleo(args.repos)
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if args.distro not in ['centos7', 'fedora']:
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raise InvalidArguments('centos7 or fedora is the only supported '
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'distros at this time')
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_validate_distro_repos(args)
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def _remove_existing(args):
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"""Remove any delorean* or opstools repos that already exist"""
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pattern = re.compile('^(delorean|tripleo-centos-(opstools|ceph)).*.repo')
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for f in os.listdir(args.output_path):
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if pattern.match(f):
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filename = os.path.join(args.output_path, f)
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os.remove(filename)
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print('Removed old repo "%s"' % filename)
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def _get_base_path(args):
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if args.branch != 'master':
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if args.distro not in ['centos7']:
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raise InvalidArguments('Branches only suppported with centos7')
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distro_branch = '%s-%s' % (args.distro, args.branch)
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else:
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distro_branch = args.distro
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return '%s/%s/' % (args.rdo_mirror, distro_branch)
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def _install_priorities():
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try:
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subprocess.check_call(['yum', 'install', '-y',
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'yum-plugin-priorities'])
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except subprocess.CalledProcessError:
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print('ERROR: Failed to install yum-plugin-priorities.')
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raise
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def _create_ceph(args, release):
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"""Generate a Ceph repo file for release"""
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return CEPH_REPO_TEMPLATE % {'ceph_release': release,
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'centos_mirror': args.centos_mirror}
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def _change_priority(content, new_priority):
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new_content = PRIORITY_RE.sub('priority=%d' % new_priority, content)
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# This shouldn't happen, but let's be safe.
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if not PRIORITY_RE.search(new_content):
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new_content += '\npriority=%d' % new_priority
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return new_content
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def _inject_mirrors(content, args):
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"""Replace any references to the default mirrors in repo content
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In some cases we want to use mirrors whose repo files still point to the
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default servers. If the user specified to use the mirror, we want to
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replace any such references with the mirror address. This function
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handles that by using a regex to swap out the baseurl server.
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"""
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new_content = RDO_RE.sub('baseurl=%s' % args.rdo_mirror, content)
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new_content = CENTOS_RE.sub('baseurl=%s' % args.centos_mirror, new_content)
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return new_content
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def _install_repos(args, base_path):
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def install_deps(args, base_path):
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content = _get_repo(base_path + 'delorean-deps.repo', args)
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_write_repo(content, args.output_path)
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for repo in args.repos:
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if repo == 'current':
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content = _get_repo(base_path + 'current/delorean.repo', args)
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if args.branch != 'master':
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content = TITLE_RE.sub('[delorean-%s]' % args.branch, content)
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_write_repo(content, args.output_path)
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install_deps(args, base_path)
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elif repo == 'deps':
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install_deps(args, base_path)
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elif repo == 'current-tripleo':
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content = _get_repo(base_path + 'current-tripleo/delorean.repo',
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args)
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_write_repo(content, args.output_path)
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install_deps(args, base_path)
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elif repo == 'current-tripleo-dev':
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content = _get_repo(base_path + 'delorean-deps.repo', args)
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_write_repo(content, args.output_path)
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content = _get_repo(base_path + 'current-tripleo/delorean.repo',
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args)
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content = TITLE_RE.sub('[delorean-current-tripleo]', content)
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# We need to twiddle priorities since we're mixing multiple repos
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# that are generated with the same priority.
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content = _change_priority(content, 20)
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_write_repo(content, args.output_path)
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content = _get_repo(base_path + 'current/delorean.repo', args)
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content += '\n%s' % INCLUDE_PKGS
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content = _change_priority(content, 10)
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_write_repo(content, args.output_path)
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elif repo == 'ceph':
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if args.branch in ['liberty', 'mitaka']:
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content = _create_ceph(args, 'hammer')
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elif args.branch in ['newton', 'ocata', 'pike']:
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content = _create_ceph(args, 'jewel')
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else:
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content = _create_ceph(args, 'luminous')
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_write_repo(content, args.output_path)
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elif repo == 'opstools':
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content = OPSTOOLS_REPO_TEMPLATE % args.centos_mirror
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_write_repo(content, args.output_path)
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else:
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raise InvalidArguments('Invalid repo "%s" specified' % repo)
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def _run_pkg_clean(distro):
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pkg_mgr = 'yum' if distro == 'centos7' else 'dnf'
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try:
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subprocess.check_call([pkg_mgr, 'clean', 'metadata'])
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except subprocess.CalledProcessError:
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print('ERROR: Failed to clean yum metadata.')
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raise
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def main():
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args = _parse_args()
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_validate_args(args)
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base_path = _get_base_path(args)
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if args.distro in ['centos7']:
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_install_priorities()
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_remove_existing(args)
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_install_repos(args, base_path)
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_run_pkg_clean(args.distro)
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if __name__ == '__main__':
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main()
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