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#!/usr/bin/env python3
# Standalone script which rebuilds the history of maintainership
#
# Copyright (C) 2015 Intel Corporation
# Author: Anibal Limon <anibal.limon@linux.intel.com>
#
# Licensed under the MIT license, see COPYING.MIT for details
import sys
import os.path
import optparse
import logging
sys.path.insert(0, os.path.realpath(os.path.join(os.path.dirname(__file__))))
from common import common_setup, get_logger, DryRunRollbackException
common_setup()
from layerindex import utils, recipeparse
utils.setup_django()
from django.db import transaction
import settings
from layerindex.models import Recipe, LayerBranch, LayerItem
from rrs.models import MaintenancePlan, Maintainer, RecipeMaintainerHistory, RecipeMaintainer, RecipeMaintenanceLink
from django.core.exceptions import ObjectDoesNotExist
# FIXME we shouldn't be hardcoded to expect RECIPE_MAINTAINER to be set in this file,
# as it may be in the recipe in future
MAINTAINERS_INCLUDE_PATH = 'conf/distro/include/maintainers.inc'
"""
Try to get recipe maintainer from line, if not found return None
"""
def get_recipe_maintainer(line, logger):
import re
regex = re.compile('^RECIPE_MAINTAINER_pn-(?P<pn>.*)\s=\s"(?P<name>.+) <(?P<email>.*)>"$')
match = regex.search(line)
if match:
return (match.group('pn'), match.group('name'), match.group('email'))
else:
logger.debug("line (%s) don\'t match" % (line))
return None
"""
Get commit information from text.
Returns author_name, author_email, date and title.
"""
def get_commit_info(info, logger):
import re
from datetime import datetime
from email.utils import parsedate_tz, mktime_tz
author_regex = re.compile("^Author: (?P<name>.*) <(?P<email>.*)>$")
date_regex = re.compile("^Date: (?P<date>.*)$")
title_regex = re.compile("^ (?P<title>.*)$")
lines = info.split('\n')
author_name = author_regex.search(lines[1]).group('name')
author_email = author_regex.search(lines[1]).group('email')
date_str = date_regex.search(lines[2]).group('date')
date = datetime.utcfromtimestamp(mktime_tz(parsedate_tz(date_str)))
title = title_regex.search(lines[4]).group('title')
return (author_name, author_email, date, title)
def maintainers_inc_history(options, logger, maintplan, layerbranch, repodir, layerdir):
maintainers_full_path = os.path.join(layerdir, MAINTAINERS_INCLUDE_PATH)
if not os.path.exists(maintainers_full_path):
logger.warning('Maintainer style is maintainers.inc for plan %s but no maintainers.inc exists in for %s' % (maintplan, layerbranch))
return
logger.debug('Checking maintainers.inc history for %s' % layerbranch)
commits = utils.runcmd("git log --format='%%H' --reverse --date=rfc origin/master %s"
% os.path.join(layerbranch.vcs_subdir, MAINTAINERS_INCLUDE_PATH),
repodir, logger=logger)
no_maintainer, _ = Maintainer.objects.get_or_create(name='No maintainer')
try:
with transaction.atomic():
for commit in commits.strip().split("\n"):
if RecipeMaintainerHistory.objects.filter(layerbranch=layerbranch, sha1=commit):
continue
logger.debug("Analysing commit %s ..." % (commit))
(author_name, author_email, date, title) = \
get_commit_info(utils.runcmd("git show " + commit, repodir,
logger=logger), logger)
author = Maintainer.create_or_update(author_name, author_email)
rms = RecipeMaintainerHistory(title=title, date=date, author=author,
sha1=commit, layerbranch=layerbranch)
rms.save()
utils.runcmd("git checkout %s -f" % commit,
repodir, logger=logger)
lines = [line.strip() for line in open(maintainers_full_path)]
for line in lines:
res = get_recipe_maintainer(line, logger)
if res:
(pn, name, email) = res
qry = Recipe.objects.filter(pn = pn, layerbranch = layerbranch)
if qry:
m = Maintainer.create_or_update(name, email)
rm = RecipeMaintainer()
rm.recipe = qry[0]
rm.maintainer = m
rm.history = rms
rm.save()
logger.debug("%s: Change maintainer to %s in commit %s." % \
(pn, m.name, commit))
else:
logger.debug("%s: Not found in %s." % \
(pn, layerbranch))
# set missing recipes to no maintainer
for recipe in layerbranch.recipe_set.all():
if not RecipeMaintainer.objects.filter(recipe = recipe, history = rms):
rm = RecipeMaintainer()
rm.recipe = recipe
link_maintainer = RecipeMaintenanceLink.link_maintainer(recipe.pn, rms)
if link_maintainer:
rm.maintainer = link_maintainer.maintainer
else:
rm.maintainer = no_maintainer
rm.history = rms
rm.save()
if link_maintainer:
logger.debug("%s: linked to maintainer for %s" % (recipe.pn, link_maintainer.recipe.pn))
else:
logger.debug("%s: Not found maintainer in commit %s set to 'No maintainer'." % \
(recipe.pn, rms.sha1))
# set new recipes to no maintainer if don't have one
rms = RecipeMaintainerHistory.get_last(layerbranch)
for recipe in layerbranch.recipe_set.all():
if not RecipeMaintainer.objects.filter(recipe = recipe, history = rms):
rm = RecipeMaintainer()
rm.recipe = recipe
link_maintainer = RecipeMaintenanceLink.link_maintainer(recipe.pn, rms)
if link_maintainer:
rm.maintainer = link_maintainer.maintainer
else:
rm.maintainer = no_maintainer
rm.history = rms
rm.save()
if link_maintainer:
logger.debug("%s: New recipe linked to maintainer for %s" % (recipe.pn, link_maintainer.recipe.pn))
else:
logger.debug("%s: New recipe not found maintainer set to 'No maintainer'." % \
(recipe.pn))
if options.dry_run:
raise DryRunRollbackException
except DryRunRollbackException:
pass
"""
Recreate Maintainership history from the beginning
"""
def maintainer_history(options, logger):
fetchdir = settings.LAYER_FETCH_DIR
if options.plan:
maintplans = MaintenancePlan.objects.filter(id=int(options.plan))
if not maintplans.exists():
logger.error('No maintenance plan with ID %s found' % options.plan)
sys.exit(1)
else:
maintplans = MaintenancePlan.objects.filter(updates_enabled=True)
if not maintplans.exists():
logger.error('No enabled maintenance plans found')
sys.exit(1)
lockfn = os.path.join(fetchdir, "layerindex.lock")
lockfile = utils.lock_file(lockfn)
if not lockfile:
logger.error("Layer index lock timeout expired")
sys.exit(1)
try:
for maintplan in maintplans:
for item in maintplan.maintenanceplanlayerbranch_set.all():
layerbranch = item.layerbranch
if options.fullreload and not options.dry_run:
RecipeMaintainerHistory.objects.filter(layerbranch=layerbranch).delete()
urldir = str(layerbranch.layer.get_fetch_dir())
repodir = os.path.join(fetchdir, urldir)
layerdir = os.path.join(repodir, layerbranch.vcs_subdir)
if maintplan.maintainer_style == 'I':
# maintainers.inc
maintainers_inc_history(options, logger, maintplan, layerbranch, repodir, layerdir)
elif maintplan.maintainer_style == 'L':
# Layer-wide, don't need to do anything
logger.debug('Skipping maintainer processing for %s - plan %s maintainer style is layer-wide' % (layerbranch, maintplan))
else:
raise Exception('Unknown maintainer style %s for maintenance plan %s' % (maintplan.maintainer_style, maintplan))
finally:
utils.unlock_file(lockfile)
if __name__=="__main__":
parser = optparse.OptionParser(usage = """%prog [options]""")
parser.add_option("-p", "--plan",
help="Specify maintenance plan to operate on (default is all plans that have updates enabled)",
action="store", dest="plan", default=None)
parser.add_option("--fullreload",
help="Reload upgrade data from scratch",
action="store_true", dest="fullreload", default=False)
parser.add_option("-d", "--debug",
help = "Enable debug output",
action="store_const", const=logging.DEBUG, dest="loglevel",
default=logging.INFO)
parser.add_option("--dry-run",
help = "Do not write any data back to the database",
action="store_true", dest="dry_run", default=False)
logger = get_logger("MaintainerUpdate", settings)
options, args = parser.parse_args(sys.argv)
logger.setLevel(options.loglevel)
maintainer_history(options, logger)
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