mirror of
https://github.com/release-engineering/dist-git.git
synced 2025-02-24 07:22:54 +00:00
255 lines
7.9 KiB
Python
255 lines
7.9 KiB
Python
#!/usr/bin/python -tt
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# -*- coding: utf-8 -*-
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"""
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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This script is able to query pkgdb and retrieve for all packages which active
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branches should be there, browse all the git repos and find out which active
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branches are missing.
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It even goes one step further but actually adjusting the git repo by adding
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the missing branches (or even the missing repo)
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"""
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import multiprocessing.pool
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import os
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import subprocess
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import time
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import requests
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from ConfigParser import ConfigParser
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# Do some off-the-bat configuration of fedmsg.
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# 1) since this is a one-off script and not a daemon, it needs to connect
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# to the fedmsg-relay process running on another node (or noone will
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# hear it)
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# 2) its going to use the 'shell' certificate which only 'sysadmin' has
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# read access to. Contrast that with the 'scm' certificate which
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# everyone in the 'packager' group has access to.
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def _get_conf(cp, section, option, default):
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if cp.has_section(section) and cp.has_option(section, option):
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return cp.get(section, option)
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return default
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config = ConfigParser()
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config.read("/etc/dist-git/dist-git.conf")
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PKGDB_URL = _get_conf(config, "acls", "pkgdb_acls_url", "")
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GIT_FOLDER = '/srv/git/rpms/'
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MKBRANCH = '/usr/local/bin/mkbranch'
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SETUP_PACKAGE = '/usr/local/bin/setup_git_package'
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THREADS = 20
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VERBOSE = False
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class InternalError(Exception):
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pass
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class ProcessError(InternalError):
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pass
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def _invoke(program, args, cwd=None):
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'''Run a command and raise an exception if an error occurred.
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:arg program: The program to invoke
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:args: List of arguments to pass to the program
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raises ProcessError if there's a problem.
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'''
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cmdLine = [program]
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cmdLine.extend(args)
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if VERBOSE:
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print ' '.join(cmdLine)
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print ' in', cwd
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program = subprocess.Popen(
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cmdLine, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, cwd=cwd)
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stdout, stderr = program.communicate()
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if program.returncode != 0:
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e = ProcessError()
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e.returnCode = program.returncode
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e.cmd = ' '.join(cmdLine)
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e.cwd = cwd
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e.message = 'Error, "%s" (in %r) returned %s\n stdout: %s\n stderr: %s' % (
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e.cmd, e.cwd, e.returnCode, stdout, stderr)
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print e.message
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raise e
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return stdout.strip()
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def _create_branch(pkgname, branch, existing_branches):
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'''Create a specific branch for a package.
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:arg pkgname: Name of the package to branch
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:arg branch: Name of the branch to create
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:arg existing_branches: A list of the branches that already exist locally.
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'''
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branch = branch.replace('*', '').strip()
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if branch == 'master':
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print 'ERROR: Proudly refusing to create master branch. Invalid repo?'
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print 'INFO: Please check %s repo' % pkgname
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return
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if branch in existing_branches:
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print 'ERROR: Refusing to create a branch %s that exists' % branch
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return
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try:
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_invoke(MKBRANCH, [branch, pkgname])
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except ProcessError, e:
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if e.returnCode == 255:
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# This is a warning, not an error
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return
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raise
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def pkgdb_pkg_branch():
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""" Queries pkgdb information about VCS and return a dictionnary of
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which branches are available for which packages.
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:return: a dict[pkg_name] = [pkg_branches]
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:rtype: dict
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"""
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data = requests.get(PKGDB_URL).json()
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output = {}
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for pkg in data['packageAcls']:
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if pkg in output:
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if VERBOSE:
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print 'Strange package: %s, it is present twice in the ' \
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'pkgdb output' % pkg
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output[pkg].updated(data['packageAcls'][pkg].keys())
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else:
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output[pkg] = set(data['packageAcls'][pkg].keys())
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return output
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def get_git_branch(pkg):
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""" For the specified package name, check the local git and return the
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list of branches found.
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"""
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git_folder = os.path.join(GIT_FOLDER, '%s.git' % pkg)
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if not os.path.exists(git_folder):
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if VERBOSE:
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print 'Could not find %s' % git_folder
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return set()
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branches = [
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lclbranch.replace('*', '').strip()
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for lclbranch in _invoke('git', ['branch'], cwd=git_folder).split('\n')
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]
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return set(branches)
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def branch_package(pkgname, requested_branches, existing_branches):
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'''Create all the branches that are listed in the pkgdb for a package.
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:arg pkgname: The package to create branches for
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:arg requested_branches: The branches to creates
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:arg existing_branches: A list of existing local branches
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'''
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if VERBOSE:
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print 'Fixing package %s for branches %s' % (pkgname, requested_branches)
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# Create the devel branch if necessary
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exists = os.path.exists(os.path.join(GIT_FOLDER, '%s.git' % pkgname))
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if not exists or 'master' not in existing_branches:
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_invoke(SETUP_PACKAGE, [pkgname])
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if 'master' in requested_branches:
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requested_branches.remove('master') # SETUP_PACKAGE creates master
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# Create all the required branches for the package
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# Use the translated branch name until pkgdb falls inline
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for branch in requested_branches:
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_create_branch(pkgname, branch, existing_branches)
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def main():
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""" For each package found via pkgdb, check the local git for its
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branches and fix inconsistencies.
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"""
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local_pkgs = set(os.listdir(GIT_FOLDER))
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local_pkgs = set([it.replace('.git', '') for it in local_pkgs])
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if VERBOSE:
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print "Found %i local packages" % len(local_pkgs)
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pkgdb_info = pkgdb_pkg_branch()
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pkgdb_pkgs = set(pkgdb_info.keys())
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if VERBOSE:
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print "Found %i pkgdb packages" % len(pkgdb_pkgs)
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## Commented out as we keep the git of retired packages while they won't
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## show up in the information retrieved from pkgdb.
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#if (local_pkgs - pkgdb_pkgs):
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#print 'Some packages are present locally but not on pkgdb:'
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#print ', '.join(sorted(local_pkgs - pkgdb_pkgs))
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if (pkgdb_pkgs - local_pkgs):
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print 'Some packages are present in pkgdb but not locally:'
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print ', '.join(sorted(pkgdb_pkgs - local_pkgs))
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if VERBOSE:
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print "Finding the lists of local branches for local repos."
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start = time.time()
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if THREADS == 1:
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git_branch_lookup = map(get_git_branch, sorted(pkgdb_info))
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else:
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threadpool = multiprocessing.pool.ThreadPool(processes=THREADS)
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git_branch_lookup = threadpool.map(get_git_branch, sorted(pkgdb_info))
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# Zip that list of results up into a lookup dict.
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git_branch_lookup = dict(zip(sorted(pkgdb_info), git_branch_lookup))
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if VERBOSE:
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print "Found all local git branches in %0.2fs" % (time.time() - start)
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tofix = set()
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for pkg in sorted(pkgdb_info):
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pkgdb_branches = pkgdb_info[pkg]
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git_branches = git_branch_lookup[pkg]
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diff = (pkgdb_branches - git_branches)
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if diff:
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print '%s missing: %s' % (pkg, ','.join(sorted(diff)))
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tofix.add(pkg)
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branch_package(pkg, diff, git_branches)
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if tofix:
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print 'Packages fixed (%s): %s' % (
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len(tofix), ', '.join(sorted(tofix)))
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else:
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if VERBOSE:
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print 'Didn\'t find any packages to fix.'
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if __name__ == '__main__':
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import sys
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sys.exit(main())
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