87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
import logging.config
|
|
import time
|
|
|
|
import features
|
|
|
|
from app import app, secscan_api, prometheus
|
|
from workers.worker import Worker
|
|
from data.database import UseThenDisconnect
|
|
from data.model.tag import (get_tags_images_eligible_for_scan, get_tag_pk_field,
|
|
get_max_id_for_sec_scan, get_min_id_for_sec_scan)
|
|
from util.secscan.api import SecurityConfigValidator
|
|
from util.secscan.analyzer import LayerAnalyzer, PreemptedException
|
|
from util.migrate.allocator import yield_random_entries
|
|
from endpoints.v2 import v2_bp
|
|
|
|
|
|
BATCH_SIZE = 50
|
|
DEFAULT_INDEXING_INTERVAL = 30
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
unscanned_images_gauge = prometheus.create_gauge('unscanned_images',
|
|
'Number of images that clair needs to scan.')
|
|
max_unscanned_images_gauge = prometheus.create_gauge('max_unscanned_image_id',
|
|
'Max ID of the unscanned images.')
|
|
|
|
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', 3)
|
|
self._analyzer = LayerAnalyzer(app.config, secscan_api)
|
|
|
|
# Get the ID of the first image we want to analyze.
|
|
self._min_id = app.config.get('SECURITY_SCANNER_INDEXING_MIN_ID',
|
|
get_min_id_for_sec_scan(self._target_version))
|
|
|
|
interval = app.config.get('SECURITY_SCANNER_INDEXING_INTERVAL', DEFAULT_INDEXING_INTERVAL)
|
|
self.add_operation(self._index_images, interval)
|
|
else:
|
|
logger.warning('Failed to validate security scan configuration')
|
|
|
|
def _index_images(self):
|
|
def batch_query():
|
|
return get_tags_images_eligible_for_scan(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 = get_max_id_for_sec_scan()
|
|
if max_id is None:
|
|
return
|
|
|
|
max_unscanned_images_gauge.Set(max_id)
|
|
|
|
with UseThenDisconnect(app.config):
|
|
to_scan_generator = yield_random_entries(
|
|
batch_query,
|
|
get_tag_pk_field(),
|
|
BATCH_SIZE,
|
|
max_id,
|
|
self._min_id,
|
|
)
|
|
for candidate, abt, num_remaining in to_scan_generator:
|
|
try:
|
|
self._analyzer.analyze_recursively(candidate.image)
|
|
except PreemptedException:
|
|
logger.info('Another worker pre-empted us for layer: %s', candidate.id)
|
|
abt.set()
|
|
|
|
unscanned_images_gauge.Set(num_remaining)
|
|
|
|
# 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()
|