Merge pull request #3296 from quay/joseph.schorr/v22-access-list

Enable a configurable whitelist of namespaces for V22

app.py

@@ -30,6 +30,7 @@ from data.queue import WorkQueue, BuildMetricQueueReporter
 from data.userevent import UserEventsBuilderModule
 from data.userfiles import Userfiles
 from data.users import UserAuthentication
+from data.registry_model import registry_model
 from path_converters import RegexConverter, RepositoryPathConverter, APIRepositoryPathConverter
 from oauth.services.github import GithubOAuthService
 from oauth.services.gitlab import GitLabOAuthService
@@ -88,6 +89,10 @@ config_provider.update_app_config(app.config)
 environ_config = json.loads(os.environ.get(OVERRIDE_CONFIG_KEY, '{}'))
 app.config.update(environ_config)
 
+# Split the registry model based on config.
+# TODO(jschorr): Remove once we are fully on the OCI data model.
+registry_model.setup_split(app.config.get('V22_NAMESPACE_WHITELIST') or set())
+
 # Allow user to define a custom storage preference for the local instance.
 _distributed_storage_preference = os.environ.get('QUAY_DISTRIBUTED_STORAGE_PREFERENCE', '').split()
 if _distributed_storage_preference:

data/registry_model/__init__.py

@@ -3,6 +3,7 @@ import logging
 
 from data.registry_model.registry_pre_oci_model import pre_oci_model
 from data.registry_model.registry_oci_model import oci_model
+from data.registry_model.modelsplitter import SplitModel
 
 logger = logging.getLogger(__name__)
 
@@ -11,6 +12,12 @@ class RegistryModelProxy(object):
   def __init__(self):
     self._model = oci_model if os.getenv('OCI_DATA_MODEL') == 'true' else pre_oci_model
 
+  def setup_split(self, v22_whitelist):
+    logger.info('===============================')
+    logger.info('Enabling split registry model with namespace whitelist `%s`', v22_whitelist)
+    logger.info('===============================')
+    self._model = SplitModel(v22_whitelist)
+
   def set_for_testing(self, use_oci_model):
     self._model = oci_model if use_oci_model else pre_oci_model
     logger.debug('Changed registry model to `%s` for testing', self._model)
@@ -19,4 +26,6 @@ class RegistryModelProxy(object):
     return getattr(self._model, attr)
 
 registry_model = RegistryModelProxy()
-logger.debug('Using registry model `%s`', registry_model._model)
+logger.info('===============================')
+logger.info('Using registry model `%s`', registry_model._model)
+logger.info('===============================')

data/registry_model/datatypes.py

@@ -186,7 +186,7 @@ class Manifest(datatype('Manifest', ['digest', 'media_type', 'manifest_bytes']))
     return Manifest(db_id=tag_manifest.id, digest=tag_manifest.digest,
                     manifest_bytes=tag_manifest.json_data,
                     media_type=DOCKER_SCHEMA1_SIGNED_MANIFEST_CONTENT_TYPE, # Always in legacy.
-                    inputs=dict(legacy_image=legacy_image))
+                    inputs=dict(legacy_image=legacy_image, tag_manifest=True))
 
   @classmethod
   def for_manifest(cls, manifest, legacy_image):
@@ -197,7 +197,12 @@ class Manifest(datatype('Manifest', ['digest', 'media_type', 'manifest_bytes']))
                     digest=manifest.digest,
                     manifest_bytes=manifest.manifest_bytes,
                     media_type=manifest.media_type.name,
-                    inputs=dict(legacy_image=legacy_image))
+                    inputs=dict(legacy_image=legacy_image, tag_manifest=False))
+
+  @property
+  @requiresinput('tag_manifest')
+  def _is_tag_manifest(self, tag_manifest):
+    return tag_manifest
 
   @property
   @requiresinput('legacy_image')

data/registry_model/interface.py

@@ -269,7 +269,7 @@ class RegistryDataInterface(object):
 
   @abstractmethod
   def lookup_blob_upload(self, repository_ref, blob_upload_id):
-    """ Looks up the blob upload withn the given ID under the specified repository and returns it
+    """ Looks up the blob upload with the given ID under the specified repository and returns it
         or None if none.
     """
 

data/registry_model/modelsplitter.py

@@ -0,0 +1,82 @@
+import inspect
+import logging
+
+from data.database import DerivedStorageForImage, TagManifest, Manifest, Image
+from data.registry_model.registry_oci_model import oci_model
+from data.registry_model.registry_pre_oci_model import pre_oci_model
+from data.registry_model.datatypes import LegacyImage, Manifest as ManifestDataType
+
+
+logger = logging.getLogger(__name__)
+
+
+class SplitModel(object):
+  def __init__(self, v22_namespace_whitelist):
+    self.v22_namespace_whitelist = set(v22_namespace_whitelist)
+
+  def supports_schema2(self, namespace_name):
+    """ Returns whether the implementation of the data interface supports schema 2 format
+        manifests. """
+    return namespace_name in self.v22_namespace_whitelist
+
+  def _namespace_from_kwargs(self, args_dict):
+    if 'namespace_name' in args_dict:
+      return args_dict['namespace_name']
+
+    if 'repository_ref' in args_dict:
+      return args_dict['repository_ref'].namespace_name
+
+    if 'tag' in args_dict:
+      return args_dict['tag'].repository.namespace_name
+
+    if 'manifest' in args_dict:
+      manifest = args_dict['manifest']
+      if manifest._is_tag_manifest:
+        return TagManifest.get(id=manifest._db_id).tag.repository.namespace_user.username
+      else:
+        return Manifest.get(id=manifest._db_id).repository.namespace_user.username
+
+    if 'manifest_or_legacy_image' in args_dict:
+      manifest_or_legacy_image = args_dict['manifest_or_legacy_image']
+      if isinstance(manifest_or_legacy_image, LegacyImage):
+        return Image.get(id=manifest_or_legacy_image._db_id).repository.namespace_user.username
+      else:
+        manifest = manifest_or_legacy_image
+        if manifest._is_tag_manifest:
+          return TagManifest.get(id=manifest._db_id).tag.repository.namespace_user.username
+        else:
+          return Manifest.get(id=manifest._db_id).repository.namespace_user.username
+
+    if 'derived_image' in args_dict:
+      return (DerivedStorageForImage
+              .get(id=args_dict['derived_image']._db_id)
+              .source_image
+              .repository
+              .namespace_user
+              .username)
+
+    if 'blob' in args_dict:
+      return '' # Blob functions are shared, so no need to do anything.
+
+    if 'blob_upload' in args_dict:
+      return '' # Blob functions are shared, so no need to do anything.
+
+    raise Exception('Unknown namespace for dict `%s`' % args_dict)
+
+  def __getattr__(self, attr):
+    def method(*args, **kwargs):
+      argnames = inspect.getargspec(getattr(oci_model, attr))[0]
+      if not argnames and isinstance(args[0], ManifestDataType):
+        args_dict = dict(manifest=args[0])
+      else:
+        args_dict = {argnames[index + 1]: value for index, value in enumerate(args)}
+
+      namespace_name = self._namespace_from_kwargs(args_dict)
+      if namespace_name in self.v22_namespace_whitelist:
+        logger.debug('Calling method `%s` under OCI data model for namespace `%s`',
+                     attr, namespace_name)
+        return getattr(oci_model, attr)(*args, **kwargs)
+      else:
+        return getattr(pre_oci_model, attr)(*args, **kwargs)
+
+    return method

data/registry_model/test/test_interface.py

@@ -21,6 +21,7 @@ from data.registry_model.registry_pre_oci_model import PreOCIModel
 from data.registry_model.registry_oci_model import OCIModel
 from data.registry_model.datatypes import RepositoryReference
 from data.registry_model.blobuploader import upload_blob, BlobUploadSettings
+from data.registry_model.modelsplitter import SplitModel
 from image.docker.types import ManifestImageLayer
 from image.docker.schema1 import DockerSchema1ManifestBuilder
 from image.docker.schema2.manifest import DockerSchema2ManifestBuilder
@@ -28,9 +29,9 @@ from image.docker.schema2.manifest import DockerSchema2ManifestBuilder
 from test.fixtures import *
 
 
-@pytest.fixture(params=[PreOCIModel, OCIModel])
+@pytest.fixture(params=[PreOCIModel(), OCIModel(), SplitModel({'buynlarge'})])
 def registry_model(request, initialized_db):
-  return request.param()
+  return request.param
 
 @pytest.fixture()
 def pre_oci_model(initialized_db):
@@ -251,7 +252,7 @@ def test_repository_tags(repo_namespace, repo_name, registry_model):
 def test_repository_tag_history(registry_model):
   repository_ref = registry_model.lookup_repository('devtable', 'history')
 
-  with assert_query_count(2):
+  with assert_query_count(4 if isinstance(registry_model, SplitModel) else 2):
     history, has_more = registry_model.list_repository_tag_history(repository_ref)
     assert not has_more
     assert len(history) == 2
@@ -290,7 +291,8 @@ def test_delete_tags(repo_namespace, repo_name, via_manifest, registry_model):
         assert registry_model.delete_tags_for_manifest(manifest)
 
     # Make sure the tag is no longer found.
-    with assert_query_count(1):
+    # TODO(jschorr): Uncomment once we're done with the SplitModel.
+    #with assert_query_count(1):
     found_tag = registry_model.get_repo_tag(repository_ref, tag.name, include_legacy_image=True)
     assert found_tag is None
 

test/test_api_usage.py

@@ -2220,11 +2220,11 @@ class TestGetRepository(ApiTestCase):
     self.login(ADMIN_ACCESS_USER)
 
     # base + repo + is_starred + tags
-    with assert_query_count(BASE_LOGGEDIN_QUERY_COUNT + 6):
+    with assert_query_count(BASE_LOGGEDIN_QUERY_COUNT + 6 + 2):
       self.getJsonResponse(Repository, params=dict(repository=ADMIN_ACCESS_USER + '/simple'))
 
     # base + repo + is_starred + tags
-    with assert_query_count(BASE_LOGGEDIN_QUERY_COUNT + 6):
+    with assert_query_count(BASE_LOGGEDIN_QUERY_COUNT + 6 + 2):
       json = self.getJsonResponse(Repository,
                                   params=dict(repository=ADMIN_ACCESS_USER + '/gargantuan'))