oss-fuzz/infra/cifuzz/filestore/filesystem/__init__.py

108 lines
3.9 KiB
Python

# Copyright 2022 Google LLC
#
# 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.
"""Filestore implementation using a filesystem directory."""
import logging
import os
import shutil
import subprocess
import sys
from distutils import dir_util
# pylint: disable=wrong-import-position,import-error
sys.path.append(
os.path.join(os.path.dirname(os.path.abspath(__file__)), os.pardir,
os.pardir, os.pardir))
import filestore
def recursive_list_dir(directory):
"""Returns list of all files in |directory|, including those in
subdirectories."""
files = []
for root, _, filenames in os.walk(directory):
for filename in filenames:
files.append(os.path.join(root, filename))
return files
class FilesystemFilestore(filestore.BaseFilestore):
"""Filesystem implementation using a filesystem directory."""
BUILD_DIR = 'build'
CRASHES_DIR = 'crashes'
CORPUS_DIR = 'corpus'
COVERAGE_DIR = 'coverage'
def __init__(self, config):
super().__init__(config)
self._filestore_root_dir = self.config.platform_conf.filestore_root_dir
def _get_filestore_path(self, name, prefix_dir):
"""Returns the filesystem path in the filestore for |name| and
|prefix_dir|."""
return os.path.join(self._filestore_root_dir, prefix_dir, name)
def _upload_directory(self, name, directory, prefix, delete=False):
filestore_path = self._get_filestore_path(name, prefix)
if os.path.exists(filestore_path):
initial_files = set(recursive_list_dir(filestore_path))
else:
initial_files = set()
# Make directory and any parents.
os.makedirs(filestore_path, exist_ok=True)
copied_files = set(dir_util.copy_tree(directory, filestore_path))
if not delete:
return True
files_to_delete = initial_files - copied_files
for file_path in files_to_delete:
os.remove(file_path)
return True
def _download_directory(self, name, dst_directory, prefix):
filestore_path = self._get_filestore_path(name, prefix)
return dir_util.copy_tree(filestore_path, dst_directory)
def upload_crashes(self, name, directory):
"""Uploads the crashes at |directory| to |name|."""
return self._upload_directory(name, directory, self.CRASHES_DIR)
def upload_corpus(self, name, directory, replace=False):
"""Uploads the crashes at |directory| to |name|."""
return self._upload_directory(name,
directory,
self.CORPUS_DIR,
delete=replace)
def upload_build(self, name, directory):
"""Uploads the build located at |directory| to |name|."""
return self._upload_directory(name, directory, self.BUILD_DIR)
def upload_coverage(self, name, directory):
"""Uploads the coverage report at |directory| to |name|."""
return self._upload_directory(name, directory, self.COVERAGE_DIR)
def download_corpus(self, name, dst_directory):
"""Downloads the corpus located at |name| to |dst_directory|."""
return self._download_directory(name, dst_directory, self.CORPUS_DIR)
def download_build(self, name, dst_directory):
"""Downloads the build with |name| to |dst_directory|."""
return self._download_directory(name, dst_directory, self.BUILD_DIR)
def download_coverage(self, name, dst_directory):
"""Downloads the latest project coverage report."""
return self._download_directory(name, dst_directory, self.COVERAGE_DIR)