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quay/workers/securityworker/models_pre_oci.py
2019-11-12 11:09:47 -05:00

49 lines
1.5 KiB
Python

from math import log10
from app import app
from data.model.image import (get_images_eligible_for_scan, get_image_pk_field,
get_max_id_for_sec_scan, get_min_id_for_sec_scan)
from util.migrate.allocator import yield_random_entries
from workers.securityworker.models_interface import (ScanToken, SecurityWorkerDataInterface)
class PreOCIModel(SecurityWorkerDataInterface):
def candidates_to_scan(self, target_version, start_token=None):
def batch_query():
return get_images_eligible_for_scan(target_version)
# Find the minimum ID.
min_id = None
if start_token is not None:
min_id = start_token.min_id
else:
min_id = app.config.get('SECURITY_SCANNER_INDEXING_MIN_ID')
if min_id is None:
min_id = get_min_id_for_sec_scan(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 (None, None)
if min_id is None or min_id > max_id:
return (None, None)
# 4^log10(total) gives us a scalable batch size into the billions.
batch_size = int(4**log10(max(10, max_id - min_id)))
# TODO: Once we have a clean shared NamedTuple for Images, send that to the secscan analyzer
# rather than the database Image itself.
iterator = yield_random_entries(
batch_query,
get_image_pk_field(),
batch_size,
max_id,
min_id,)
return (iterator, ScanToken(max_id + 1))
pre_oci_model = PreOCIModel()