diff --git a/swh/loader/dir/loader.py b/swh/loader/dir/loader.py index 449062f..b0fa6a6 100644 --- a/swh/loader/dir/loader.py +++ b/swh/loader/dir/loader.py @@ -1,492 +1,460 @@ # Copyright (C) 2015 The Software Heritage developers # See the AUTHORS file at the top-level directory of this distribution # License: GNU General Public License version 3, or any later version # See top-level LICENSE file for more information import logging import os import psycopg2 import requests import sys import traceback import uuid from retrying import retry from swh.core import config from swh.loader.dir import converters from swh.loader.dir.git import git from swh.loader.dir.git.git import GitType def send_in_packets(source_list, formatter, sender, packet_size, packet_size_bytes=None, *args, **kwargs): """Send objects from `source_list`, passed through `formatter` (with extra args *args, **kwargs), using the `sender`, in packets of `packet_size` objects (and of max `packet_size_bytes`). """ formatted_objects = [] count = 0 if not packet_size_bytes: packet_size_bytes = 0 for obj in source_list: formatted_object = formatter(obj, *args, **kwargs) if formatted_object: formatted_objects.append(formatted_object) else: continue if packet_size_bytes: count += formatted_object['length'] if len(formatted_objects) >= packet_size or count > packet_size_bytes: sender(formatted_objects) formatted_objects = [] count = 0 if formatted_objects: sender(formatted_objects) def retry_loading(error): """Retry policy when the database raises an integrity error""" exception_classes = [ # raised when two parallel insertions insert the same data. psycopg2.IntegrityError, # raised when uWSGI restarts and hungs up on the worker. requests.exceptions.ConnectionError, ] if not any(isinstance(error, exc) for exc in exception_classes): return False logger = logging.getLogger('swh.loader.dir.DirLoader') error_name = error.__module__ + '.' + error.__class__.__name__ logger.warning('Retry loading a batch', exc_info=False, extra={ 'swh_type': 'storage_retry', 'swh_exception_type': error_name, 'swh_exception': traceback.format_exception( error.__class__, error, error.__traceback__, ), }) return True class DirLoader(config.SWHConfig): """A bulk loader for a directory""" DEFAULT_CONFIG = { 'storage_class': ('str', 'remote_storage'), 'storage_args': ('list[str]', ['http://localhost:5000/']), 'send_contents': ('bool', True), 'send_directories': ('bool', True), 'send_revisions': ('bool', True), 'send_releases': ('bool', True), 'send_occurrences': ('bool', True), 'content_packet_size': ('int', 10000), 'content_packet_size_bytes': ('int', 1024 * 1024 * 1024), 'directory_packet_size': ('int', 25000), 'revision_packet_size': ('int', 100000), 'release_packet_size': ('int', 100000), 'occurrence_packet_size': ('int', 100000), } def __init__(self, config): self.config = config if self.config['storage_class'] == 'remote_storage': from swh.storage.api.client import RemoteStorage as Storage else: from swh.storage import Storage self.storage = Storage(*self.config['storage_args']) self.log = logging.getLogger('swh.loader.dir.DirLoader') @retry(retry_on_exception=retry_loading, stop_max_attempt_number=3) def send_contents(self, content_list): """Actually send properly formatted contents to the database""" num_contents = len(content_list) log_id = str(uuid.uuid4()) self.log.debug("Sending %d contents" % num_contents, extra={ 'swh_type': 'storage_send_start', 'swh_content_type': 'content', 'swh_num': num_contents, 'swh_id': log_id, }) self.storage.content_add(content_list) self.log.debug("Done sending %d contents" % num_contents, extra={ 'swh_type': 'storage_send_end', 'swh_content_type': 'content', 'swh_num': num_contents, 'swh_id': log_id, }) @retry(retry_on_exception=retry_loading, stop_max_attempt_number=3) def send_directories(self, directory_list): """Actually send properly formatted directories to the database""" num_directories = len(directory_list) log_id = str(uuid.uuid4()) self.log.debug("Sending %d directories" % num_directories, extra={ 'swh_type': 'storage_send_start', 'swh_content_type': 'directory', 'swh_num': num_directories, 'swh_id': log_id, }) self.storage.directory_add(directory_list) self.log.debug("Done sending %d directories" % num_directories, extra={ 'swh_type': 'storage_send_end', 'swh_content_type': 'directory', 'swh_num': num_directories, 'swh_id': log_id, }) @retry(retry_on_exception=retry_loading, stop_max_attempt_number=3) def send_revisions(self, revision_list): """Actually send properly formatted revisions to the database""" num_revisions = len(revision_list) log_id = str(uuid.uuid4()) self.log.debug("Sending %d revisions" % num_revisions, extra={ 'swh_type': 'storage_send_start', 'swh_content_type': 'revision', 'swh_num': num_revisions, 'swh_id': log_id, }) self.storage.revision_add(revision_list) self.log.debug("Done sending %d revisions" % num_revisions, extra={ 'swh_type': 'storage_send_end', 'swh_content_type': 'revision', 'swh_num': num_revisions, 'swh_id': log_id, }) @retry(retry_on_exception=retry_loading, stop_max_attempt_number=3) def send_releases(self, release_list): """Actually send properly formatted releases to the database""" num_releases = len(release_list) log_id = str(uuid.uuid4()) self.log.debug("Sending %d releases" % num_releases, extra={ 'swh_type': 'storage_send_start', 'swh_content_type': 'release', 'swh_num': num_releases, 'swh_id': log_id, }) self.storage.release_add(release_list) self.log.debug("Done sending %d releases" % num_releases, extra={ 'swh_type': 'storage_send_end', 'swh_content_type': 'release', 'swh_num': num_releases, 'swh_id': log_id, }) @retry(retry_on_exception=retry_loading, stop_max_attempt_number=3) def send_occurrences(self, occurrence_list): """Actually send properly formatted occurrences to the database""" num_occurrences = len(occurrence_list) log_id = str(uuid.uuid4()) self.log.debug("Sending %d occurrences" % num_occurrences, extra={ 'swh_type': 'storage_send_start', 'swh_content_type': 'occurrence', 'swh_num': num_occurrences, 'swh_id': log_id, }) self.storage.occurrence_add(occurrence_list) self.log.debug("Done sending %d occurrences" % num_occurrences, extra={ 'swh_type': 'storage_send_end', 'swh_content_type': 'occurrence', 'swh_num': num_occurrences, 'swh_id': log_id, }) - def dir_revision(self, - dir_path, - origin_url, - revision_date, - revision_offset, - revision_committer_date, - revision_committer_offset, - revision_type, - revision_message, - revision_author, - revision_committer): - """Create a revision. - - """ - log_id = str(uuid.uuid4()) - - self.log.debug('Creating origin for %s' % origin_url, - extra={ - 'swh_type': 'storage_send_start', - 'swh_content_type': 'origin', - 'swh_num': 1, - 'swh_id': log_id - }) - self.get_or_create_origin(origin_url) - self.log.debug('Done creating origin for %s' % origin_url, - extra={ - 'swh_type': 'storage_send_end', - 'swh_content_type': 'origin', - 'swh_num': 1, - 'swh_id': log_id - }) - def bulk_send_blobs(self, objects, blobs, origin_id): """Format blobs as swh contents and send them to the database""" packet_size = self.config['content_packet_size'] packet_size_bytes = self.config['content_packet_size_bytes'] max_content_size = self.config['content_size_limit'] send_in_packets(blobs, converters.blob_to_content, self.send_contents, packet_size, packet_size_bytes=packet_size_bytes, log=self.log, max_content_size=max_content_size, origin_id=origin_id) def bulk_send_trees(self, objects, trees): """Format trees as swh directories and send them to the database""" packet_size = self.config['directory_packet_size'] send_in_packets(trees, converters.tree_to_directory, self.send_directories, packet_size, objects=objects, log=self.log) def bulk_send_commits(self, objects, commits): """Format commits as swh revisions and send them to the database""" packet_size = self.config['revision_packet_size'] send_in_packets(commits, converters.commit_to_revision, self.send_revisions, packet_size, objects=objects, log=self.log) def bulk_send_annotated_tags(self, objects, tags): """Format annotated tags (pygit2.Tag objects) as swh releases and send them to the database """ packet_size = self.config['release_packet_size'] send_in_packets(tags, converters.annotated_tag_to_release, self.send_releases, packet_size, log=self.log) def bulk_send_refs(self, objects, refs): """Format git references as swh occurrences and send them to the database """ packet_size = self.config['occurrence_packet_size'] send_in_packets(refs, lambda ref: ref, self.send_occurrences, packet_size) def list_repo_objs(self, dir_path, revision, release): """List all objects from dir_path. Args: - dir_path (path): the directory to list - revision: revision dictionary representation - release: release dictionary representation Returns: a dict containing lists of `Oid`s with keys for each object type: - CONTENT - DIRECTORY """ def get_objects_per_object_type(objects_per_path): m = { GitType.BLOB: [], GitType.TREE: [], GitType.COMM: [], GitType.RELE: [] } for tree_path in objects_per_path: objs = objects_per_path[tree_path] for obj in objs: m[obj['type']].append(obj) return m def _revision_from(tree_hash, revision): full_rev = dict(revision) full_rev['directory'] = tree_hash full_rev['sha1_git'] = git.compute_revision_sha1_git(full_rev) return full_rev def _release_from(revision_hash, release): full_rel = dict(release) full_rel['revision'] = revision_hash full_rel['sha1_git'] = git.compute_release_sha1_git(full_rel) return full_rel log_id = str(uuid.uuid4()) sdir_path = dir_path.decode('utf-8') self.log.info("Started listing %s" % dir_path, extra={ 'swh_type': 'dir_list_objs_start', 'swh_repo': sdir_path, 'swh_id': log_id, }) objects_per_path = git.walk_and_compute_sha1_from_directory(dir_path) objects = get_objects_per_object_type(objects_per_path) tree_hash = objects_per_path[git.ROOT_TREE_KEY][0]['sha1_git'] full_rev = _revision_from(tree_hash, revision) objects[GitType.COMM] = [full_rev] if release and 'name' in release: full_rel = _release_from(full_rev['sha1_git'], release) objects[GitType.RELE] = [full_rel] self.log.info("Done listing the objects in %s: %d contents, " "%d directories, %d revisions, %d releases" % ( sdir_path, len(objects[GitType.BLOB]), len(objects[GitType.TREE]), len(objects[GitType.COMM]), len(objects[GitType.RELE]) ), extra={ 'swh_type': 'dir_list_objs_end', 'swh_repo': sdir_path, 'swh_num_blobs': len(objects[GitType.BLOB]), 'swh_num_trees': len(objects[GitType.TREE]), 'swh_num_commits': len(objects[GitType.COMM]), 'swh_num_releases': len(objects[GitType.RELE]), 'swh_id': log_id, }) return objects, objects_per_path def load_dir(self, dir_path, objects, objects_per_path, refs, origin_id): if self.config['send_contents']: self.bulk_send_blobs(objects_per_path, objects[GitType.BLOB], origin_id) else: self.log.info('Not sending contents') if self.config['send_directories']: self.bulk_send_trees(objects_per_path, objects[GitType.TREE]) else: self.log.info('Not sending directories') if self.config['send_revisions']: self.bulk_send_commits(objects_per_path, objects[GitType.COMM]) else: self.log.info('Not sending revisions') if self.config['send_releases']: self.bulk_send_annotated_tags(objects_per_path, objects[GitType.RELE]) else: self.log.info('Not sending releases') if self.config['send_occurrences']: self.bulk_send_refs(objects_per_path, refs) else: self.log.info('Not sending occurrences') def process(self, dir_path, origin, revision, release, occurrences): """Load a directory in backend. Args: - dir_path: source of the directory to import - origin: Dictionary origin - url: url origin we fetched - type: type of the origin - revision: Dictionary of information needed, keys are: - author_name: revision's author name - author_email: revision's author email - author_date: timestamp (e.g. 1444054085) - author_offset: date offset e.g. -0220, +0100 - committer_name: revision's committer name - committer_email: revision's committer email - committer_date: timestamp - committer_offset: date offset e.g. -0220, +0100 - type: type of revision dir, tar - message: synthetic message for the revision - release: Dictionary of information needed, keys are: - name: release name - date: release timestamp (e.g. 1444054085) - offset: release date offset e.g. -0220, +0100 - author_name: release author's name - author_email: release author's email - comment: release's comment message - occurrences: List of occurrence dictionary. Information needed, keys are: - branch: occurrence's branch name - authority_id: authority id (e.g. 1 for swh) - validity: validity date (e.g. 2015-01-01 00:00:00+00) """ def _occurrence_from(origin_id, revision_hash, occurrence): occ = dict(occurrence) occ.update({ 'revision': full_rev['sha1_git'], 'origin': origin['id'], }) return occ def _occurrences_from(origin_id, revision_hash, occurrences): full_occs = [] for occurrence in occurrences: full_occ = _occurrence_from(origin_id, revision_hash, occurrence) full_occs.append(full_occ) return full_occs if not os.path.exists(dir_path): self.log.info('Skipping inexistant directory %s' % dir_path, extra={ 'swh_type': 'dir_repo_list_refs', 'swh_repo': dir_path, 'swh_num_refs': 0, }) return files = os.listdir(dir_path) if not files: self.log.info('Skipping empty directory %s' % dir_path, extra={ 'swh_type': 'dir_repo_list_refs', 'swh_repo': dir_path, 'swh_num_refs': 0, }) return if isinstance(dir_path, str): dir_path = dir_path.encode(sys.getfilesystemencoding()) origin['id'] = self.storage.origin_add_one(origin) # to load the repository, walk all objects, compute their hash objects, objects_per_path = self.list_repo_objs(dir_path, revision, release) full_rev = objects[GitType.COMM][0] # only 1 revision full_occs = _occurrences_from(origin['id'], full_rev['sha1_git'], occurrences) self.load_dir(dir_path, objects, objects_per_path, full_occs, origin['id'])