Add a security scanner api config object for params

Change SecScanAPI to use a uri creation func instead of test context

Pass config provider through validator context

Remove app config dependency for validators

test/test_secscan.py

@@ -8,11 +8,14 @@ from data.database import Image, IMAGE_NOT_SCANNED_ENGINE_VERSION
 from endpoints.v2 import v2_bp
 from initdb import setup_database_for_testing, finished_database_for_testing
 from notifications.notificationevent import VulnerabilityFoundEvent
+from util import create_uri_func_from_context
+from util.config import URLSchemeAndHostname
 from util.morecollections import AttrDict
 from util.secscan.api import SecurityScannerAPI, APIRequestFailure
 from util.secscan.analyzer import LayerAnalyzer
 from util.secscan.fake import fake_security_scanner
 from util.secscan.notifier import SecurityNotificationHandler, ProcessNotificationPageResult
+from util.security.instancekeys import InstanceKeys
 from workers.security_notification_worker import SecurityNotificationWorker
 
 
@@ -42,7 +45,13 @@ class TestSecurityScanner(unittest.TestCase):
     self.ctx = app.test_request_context()
     self.ctx.__enter__()
 
-    self.api = SecurityScannerAPI(app, app.config, storage)
+
+    url_scheme_and_hostname = URLSchemeAndHostname(app.config['PREFERRED_URL_SCHEME'], app.config['SERVER_HOSTNAME'])
+    instance_keys = InstanceKeys(app)
+    self.api = SecurityScannerAPI(app.config, storage, app.config['SERVER_HOSTNAME'], app.config['HTTPCLIENT'],
+                                  uri_creator=create_uri_func_from_context(app.test_request_context('/'),
+                                                                           url_scheme_and_hostname),
+                                  instance_keys=instance_keys)
 
   def tearDown(self):
     storage.remove(['local_us'], 'supports_direct_download')