[7430fc]: / Allura / allura / scripts / refresh_last_commits.py  Maximize  Restore  History

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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
from __future__ import unicode_literals
from __future__ import print_function
from __future__ import absolute_import
import argparse
import logging
from datetime import datetime
from contextlib import contextmanager
import faulthandler
from tg import tmpl_context as c
from ming.orm import ThreadLocalORMSession, session
from allura import model as M
from allura.lib.utils import chunked_find
from allura.tasks.repo_tasks import refresh
from allura.scripts import ScriptTask
log = logging.getLogger(__name__)
class RefreshLastCommits(ScriptTask):
@classmethod
def parser(cls):
def _repo_type_list(s):
repo_types = []
for repo_type in s.split(','):
repo_type = repo_type.strip()
if repo_type not in ['git', 'hg']:
raise argparse.ArgumentTypeError(
'{0} is not a valid repo type.'.format(repo_type))
repo_types.append(repo_type)
return repo_types
parser = argparse.ArgumentParser(description='Using existing commit data, '
'refresh the "last commit" metadata in MongoDB. Run for all repos (no args), '
'or restrict by neighborhood, project, or code tool mount point.')
parser.add_argument('--nbhd', action='store', default='', dest='nbhd',
help='Restrict update to a particular neighborhood, e.g. /p/.')
parser.add_argument(
'--project', action='store', default='', dest='project',
help='Restrict update to a particular project. To specify a '
'subproject, use a slash: project/subproject.')
parser.add_argument('--project-regex', action='store', default='',
dest='project_regex',
help='Restrict update to projects for which the shortname matches '
'the provided regex.')
parser.add_argument(
'--repo-types', action='store', type=_repo_type_list,
default=['git', 'hg'], dest='repo_types',
help='Only refresh last commits for repos of the given type(s). Defaults to: '
'git,hg. Example: --repo-types=git')
parser.add_argument('--mount-point', default='', dest='mount_point',
help='Restrict update to repos at the given tool mount point. ')
parser.add_argument('--clean', action='store_true', dest='clean',
default=False, help='Remove last commit mongo docs for '
'project(s) being refreshed before doing the refresh.')
parser.add_argument('--dry-run', action='store_true', dest='dry_run',
default=False, help='Log names of projects that would have their ')
parser.add_argument('--limit', action='store', type=int, dest='limit',
default=False, help='Limit of how many commits to process')
return parser
@classmethod
def execute(cls, options):
q_project = {}
if options.nbhd:
nbhd = M.Neighborhood.query.get(url_prefix=options.nbhd)
if not nbhd:
return "Invalid neighborhood url prefix."
q_project['neighborhood_id'] = nbhd._id
if options.project:
q_project['shortname'] = options.project
elif options.project_regex:
q_project['shortname'] = {'$regex': options.project_regex}
log.info('Refreshing last commit data')
for chunk in chunked_find(M.Project, q_project):
for p in chunk:
log.info("Refreshing last commit data for project '%s'." %
p.shortname)
if options.dry_run:
continue
c.project = p
if options.mount_point:
mount_points = [options.mount_point]
else:
mount_points = [ac.options.mount_point for ac in
M.AppConfig.query.find(dict(project_id=p._id))]
for app in (p.app_instance(mp) for mp in mount_points):
c.app = app
if not hasattr(app, 'repo'):
continue
if c.app.repo.tool.lower() not in options.repo_types:
log.info("Skipping %r: wrong type (%s)", c.app.repo,
c.app.repo.tool.lower())
continue
c.app.repo.status = 'analyzing'
session(c.app.repo).flush(c.app.repo)
try:
ci_ids = list(
reversed(list(c.app.repo.all_commit_ids())))
if options.clean:
cls._clean(ci_ids)
log.info('Refreshing all last commits in %r',
c.app.repo)
cls.refresh_repo_lcds(ci_ids, options)
new_commit_ids = app.repo.unknown_commit_ids()
if len(new_commit_ids) > 0:
refresh.post()
except:
log.exception('Error refreshing %r', c.app.repo)
raise
finally:
c.app.repo.status = 'ready'
session(c.app.repo).flush(c.app.repo)
ThreadLocalORMSession.flush_all()
@classmethod
def refresh_repo_lcds(cls, commit_ids, options):
model_cache = M.repository.ModelCache(
max_instances={M.repository.LastCommit: 4000},
max_queries={M.repository.LastCommit: 4000},
)
c.model_cache = model_cache
timings = []
print('Processing last commits')
for i, commit_id in enumerate(commit_ids):
commit = M.repository.Commit.query.get(_id=commit_id)
if commit is None:
print("Commit missing, skipping: %s" % commit_id)
continue
commit.set_context(c.app.repo)
with time(timings):
tree = commit.tree
cls._get_lcds(tree, model_cache)
ThreadLocalORMSession.flush_all()
if i % 100 == 0:
cls._print_stats(i, timings, 100)
if options.limit and i >= options.limit:
break
ThreadLocalORMSession.flush_all()
@classmethod
def _get_lcds(cls, tree, cache):
M.repository.LastCommit.get(tree)
"""
FIXME: if its needed to recurse into subdirectories, and compute their LCDs as well, something along these
lines should be enabled. This is not working as-is, and is not really necessary as this script doesn't
get used any more anyway.
for subtree in tree.tree_ids:
if subtree.name in tree.commit.changed_paths:
subtree_doc = cache.get(M.repository.Tree, dict(_id=subtree.id))
subtree_doc.set_context(tree)
cls._get_lcds(subtree_doc, cache)
"""
@classmethod
def _clean(cls, commit_ids):
# delete LastCommitDocs
i = M.repository.LastCommitDoc.m.find(
dict(commit_id={'$in': commit_ids})).count()
log.info("Deleting %i LastCommitDoc docs for %i commits...",
i, len(commit_ids))
M.repository.LastCommitDoc.m.remove(dict(commit_id={'$in': commit_ids}))
@classmethod
def _print_stats(cls, processed, timings, debug_step):
mt = max(timings)
tt = sum(timings)
at = tt / len(timings)
mat = sum(timings[-debug_step:]) / debug_step
print(' Processed %d commits (max: %f, avg: %f, mavg: %f, tot: %f)' % (
processed, mt, at, mat, tt))
@contextmanager
def time(timings):
s = datetime.utcnow()
yield
timings.append((datetime.utcnow() - s).total_seconds())
if __name__ == '__main__':
faulthandler.enable()
RefreshLastCommits.main()