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quay/workers/securityworker.py
2016-10-28 17:12:46 -04:00

74 lines
2.5 KiB
Python

import logging
import logging.config
import time
import features
from peewee import fn
from app import app, secscan_api
from workers.worker import Worker
from data.database import Image, UseThenDisconnect
from data.model.image import get_image_with_storage_and_parent_base
from util.secscan.api import SecurityConfigValidator
from util.secscan.analyzer import LayerAnalyzer
from util.migrate.allocator import yield_random_entries
from endpoints.v2 import v2_bp
BATCH_SIZE = 50
INDEXING_INTERVAL = 30
logger = logging.getLogger(__name__)
class SecurityWorker(Worker):
def __init__(self):
super(SecurityWorker, self).__init__()
validator = SecurityConfigValidator(app.config)
if validator.valid():
self._target_version = app.config.get('SECURITY_SCANNER_ENGINE_VERSION_TARGET', 2)
self._analyzer = LayerAnalyzer(app.config, secscan_api)
# Get the ID of the first image we want to analyze.
self._min_id = (Image
.select(fn.Min(Image.id))
.where(Image.security_indexed_engine < self._target_version)
.scalar())
self.add_operation(self._index_images, INDEXING_INTERVAL)
else:
logger.warning('Failed to validate security scan configuration')
def _index_images(self):
def batch_query():
base_query = get_image_with_storage_and_parent_base()
return base_query.where(Image.security_indexed_engine < self._target_version)
# Get the ID of the last image we can analyze. Will be None if there are no images in the
# database.
max_id = Image.select(fn.Max(Image.id)).scalar()
if max_id is None:
return
with UseThenDisconnect(app.config):
for candidate, abt in yield_random_entries(batch_query, Image.id, BATCH_SIZE, max_id,
self._min_id):
_, continue_batch = self._analyzer.analyze_recursively(candidate)
if not continue_batch:
logger.info('Another worker pre-empted us for layer: %s', candidate.id)
abt.set()
# If we reach this point, we analyzed every images up to max_id, next time the worker runs,
# we want to start from the next image.
self._min_id = max_id + 1
if __name__ == '__main__':
app.register_blueprint(v2_bp, url_prefix='/v2')
if not features.SECURITY_SCANNER:
logger.debug('Security scanner disabled; skipping SecurityWorker')
while True:
time.sleep(100000)
logging.config.fileConfig('conf/logging_debug.conf', disable_existing_loggers=False)
worker = SecurityWorker()
worker.start()