/
gitrepo.py
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/
gitrepo.py
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# 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.
# The GitRepoDriver provides the following:
#
# 1- A getpackages function based on finding all directories inside a specific
# git repo, where each directory represents a package
#
# 2- A getinfo function based on a single-distgit repo paradigm
#
# 3- A preprocess function using renderspec on any *.spec.j2 file found in the
# distgit.
import logging
import os
import re
import sh
from dlrn.db import Commit
from dlrn.drivers.pkginfo import PkgInfoDriver
from dlrn.repositories import getsourcebranch
from dlrn.repositories import refreshrepo
from dlrn.utils import run_external_preprocess
from pymod2pkg import module2package
from pymod2pkg import module2upstream
from rdopkg.utils import specfile
from six.moves import urllib
from six.moves.urllib.request import urlopen
logger = logging.getLogger("dlrn-gitrepo-driver")
version_match = re.compile(r'\W*set upstream_version\D+([\w.]+).*')
wrong_match = re.compile(r'\W*set upstream_version\D+\(\).*')
base_urls = ['https://opendev.org/openstack',
'https://opendev.org/x',
'https://opendev.org/opendev']
def check_url(url):
logger.info("Checking url %s" % url)
try:
urlopen(url)
# URL found
return True
except (urllib.error.HTTPError, urllib.error.URLError):
# Trouble finding URL
return False
class GitRepoDriver(PkgInfoDriver):
DRIVER_CONFIG = {
'gitrepo_driver': {
'gitrepo_repo': {'name': 'repo'},
'gitrepo_dirs': {'name': 'directory', 'type': 'list'},
'skip_dirs': {'name': 'skip', 'type': 'list'},
'use_version_from_spec': {'type': 'boolean'},
'keep_tarball': {'type': 'boolean'},
}
}
def __init__(self, *args, **kwargs):
super(GitRepoDriver, self).__init__(*args, **kwargs)
def _get_version_from_pkg(self, packagepath, package):
self.preprocess(package_name=package)
pkgdir = os.path.join(packagepath, package)
for pkgfile in os.listdir(pkgdir):
if pkgfile.endswith('.spec'):
spec = specfile.Spec(fn=os.path.join(packagepath, package,
pkgfile))
version = spec.get_tag('Version')
release = spec.get_tag('Release')
if release.startswith('0'):
# This is a pre-release version, so we are following trunk
return None
else:
# This is a tagged release
return version
def getpackages(self, **kwargs):
repo = self.config_options.gitrepo_repo
distro_branch = self.config_options.distro
datadir = self.config_options.datadir
skip_dirs = self.config_options.skip_dirs
dev_mode = kwargs.get('dev_mode')
packages = []
gitpath = os.path.join(datadir, 'package_info')
if not os.path.exists(gitpath):
sh.git.clone(repo, gitpath)
if not dev_mode:
git = sh.git.bake(_cwd=gitpath, _tty_out=False, _timeout=3600)
git.fetch("origin")
# Use the the configured distro branch, fall back to master
# if it fails
try:
git.reset("--hard", "origin/%s" % distro_branch)
except Exception:
logger.info("Falling back to master")
git.reset("--hard", "origin/master")
for basepath in self.config_options.gitrepo_dirs:
path = basepath.strip('/')
packagepath = os.path.join(gitpath, path)
for package in os.listdir(packagepath):
if (os.path.isdir(os.path.join(packagepath, package)) and
package not in skip_dirs):
pkg_hash = {}
pkg_hash['name'] = package
pkg_hash['maintainers'] = 'test@example.com'
pkg_hash['master-distgit'] = (repo + '/' + path + '/' +
package)
pkg_hash['upstream'] = 'Unknown'
if self.config_options.use_version_from_spec is True:
version = None
# Try to deduce version from spec template
pkgdir = os.path.join(packagepath, package)
for pkgfile in os.listdir(pkgdir):
if pkgfile.endswith('.j2'):
with open(os.path.join(pkgdir, pkgfile)) as fp:
j2content = fp.readlines()
for line in j2content:
# Make sure we are not matching the wrong
# version of the upstream_version() macro
m = wrong_match.match(line)
if m is not None:
# We are deducing the version using
# the source tarball. This is a bit
# mroe complex, since we need to run
# renderspec and find the version in
# the resulting spec
version = self._get_version_from_pkg(
packagepath, package)
logger.info(
"Got version %s for %s from the "
"spec" % (version, package))
break
# Does template define upstream_version?
m = version_match.match(line)
if m is not None:
version = m.group(1)
break
# Otherwise, we're using a direct version
if line.startswith('Version:'):
version = line.split(':')[1].strip().\
replace('~', '')
break
if version is not None:
pkg_hash['source-branch'] = version
packages.append(pkg_hash)
return packages
def getinfo(self, **kwargs):
project = kwargs.get('project')
package = kwargs.get('package')
since = kwargs.get('since')
local = kwargs.get('local')
dev_mode = kwargs.get('dev_mode')
datadir = self.config_options.datadir
for url in base_urls:
if check_url("%s/%s" % (url, module2upstream(package['name']))):
package['upstream'] = ("%s/%s" %
(url,
module2upstream(package['name'])))
break
else:
logger.error("Could not find upstream URL for project %s" %
package)
repo = package['upstream']
distro_dir = self.distgit_dir(package['name'])
source_branch = getsourcebranch(package)
if dev_mode is True:
distro_hash = "dev"
dt_distro = 0 # Doesn't get used in dev mode
else:
# Get distro_hash from last commit in distgit directory
git = sh.git.bake(_cwd=distro_dir, _tty_out=False)
repoinfo = str(git.log("--pretty=format:%H %ct", "-1", ".")
).strip().split(" ")
distro_hash = repoinfo[0]
dt_distro = repoinfo[1]
# repo is usually a string, but if it contains more then one entry we
# git clone into a project subdirectory
repos = [repo]
if isinstance(repo, list):
repos = repo
project_toprocess = []
for repo in repos:
repo_dir = os.path.join(datadir, project)
if len(repos) > 1:
repo_dir = os.path.join(repo_dir, os.path.split(repo)[1])
try:
source_branch, _, _ = refreshrepo(repo, repo_dir,
source_branch, local=local)
except Exception:
# The error was already logged by refreshrepo, and the only
# side-effect is that we are not adding this commit to the
# list of commits to be processed, so we can ignore it and
# move on to the next repo
continue
git = sh.git.bake(_cwd=repo_dir, _tty_out=False)
# Git gives us commits already sorted in the right order
lines = git.log("--pretty=format:'%ct %H'", since,
"--first-parent", "--reverse")
for line in lines:
dt, commit_hash = str(line).strip().strip("'").split(" ")
commit = Commit(dt_commit=float(dt), project_name=project,
type='rpm',
commit_hash=commit_hash, repo_dir=repo_dir,
distro_hash=distro_hash, dt_distro=dt_distro,
distgit_dir=distro_dir,
commit_branch=source_branch,
dt_extended=0, extended_hash=None,
component=None)
project_toprocess.append(commit)
return project_toprocess
def preprocess(self, **kwargs):
package_name = kwargs.get('package_name')
commit_hash = kwargs.get('commit_hash')
distgit_dir = self.distgit_dir(package_name)
output_filename = "%s.spec" % module2package(package_name, 'fedora')
source_dir = "%s/%s" % (self.config_options.datadir, package_name)
preprocess = sh.renderspec.bake(_cwd=distgit_dir,
_tty_out=False, _timeout=3600)
preprocess('--spec-style', 'fedora', '--epoch',
'../../epoch/fedora.yaml', '--output', output_filename)
# Replace %{version} with %{upstream_version} in spec
# This is required by rpm-packaging specs
for specf in os.listdir(distgit_dir):
if specf.endswith(".spec"):
filename = os.path.join(distgit_dir, specf)
with open(filename, 'r+') as fp:
spec = fp.read()
spec = re.sub(r'-%{version}', '-%{upstream_version}', spec)
fp.seek(0)
fp.write(spec)
for custom_preprocess in self.config_options.custom_preprocess:
if custom_preprocess != '':
run_external_preprocess(
cmdline=custom_preprocess,
pkgname=package_name,
distgit=distgit_dir,
source_dir=source_dir,
commit_hash=commit_hash)
def distgit_dir(self, package_name):
datadir = self.config_options.datadir
# Check all potential base directories
for basepath in self.config_options.gitrepo_dirs:
path = basepath.strip('/')
fullpath = os.path.join(datadir, 'package_info', path,
package_name)
if os.path.exists(fullpath):
return fullpath