Another huge batch of registry v2 changes

Add patch support and resumeable sha
Implement all actual registry methods
Add a simple database generation option

endpoints/v2/errors.py

@@ -0,0 +1,118 @@
+class V2RegistryException(Exception):
+  def __init__(self, error_code_str, message, detail, http_status_code=400):
+    super(V2RegistryException, self).__init__(message)
+    self.http_status_code = http_status_code
+
+    self._error_code_str = error_code_str
+    self._detail = detail
+
+  def as_dict(self):
+    return {
+      'code': self._error_code_str,
+      'message': self.message,
+      'detail': self._detail if self._detail is not None else {},
+    }
+
+
+class BlobUnknown(V2RegistryException):
+  def __init__(self, detail=None):
+    super(BlobUnknown, self).__init__('BLOB_UNKNOWN',
+                                      'blob unknown to registry',
+                                      detail,
+                                      404)
+
+
+class BlobUploadInvalid(V2RegistryException):
+  def __init__(self, detail=None):
+    super(BlobUploadInvalid, self).__init__('BLOB_UPLOAD_INVALID',
+                                            'blob upload invalid',
+                                            detail)
+
+
+class BlobUploadUnknown(V2RegistryException):
+  def __init__(self, detail=None):
+    super(BlobUploadUnknown, self).__init__('BLOB_UPLOAD_UNKNOWN',
+                                            'blob upload unknown to registry',
+                                            detail,
+                                            404)
+
+
+class DigestInvalid(V2RegistryException):
+  def __init__(self, detail=None):
+    super(DigestInvalid, self).__init__('DIGEST_INVALID',
+                                        'provided digest did not match uploaded content',
+                                        detail)
+
+
+class ManifestBlobUnknown(V2RegistryException):
+  def __init__(self, detail=None):
+    super(ManifestBlobUnknown, self).__init__('MANIFEST_BLOB_UNKNOWN',
+                                              'blob unknown to registry',
+                                              detail)
+
+
+class ManifestInvalid(V2RegistryException):
+  def __init__(self, detail=None):
+    super(ManifestInvalid, self).__init__('MANIFEST_INVALID',
+                                          'manifest invalid',
+                                          detail)
+
+
+class ManifestUnknown(V2RegistryException):
+  def __init__(self, detail=None):
+    super(ManifestUnknown, self).__init__('MANIFEST_UNKNOWN',
+                                          'manifest unknown',
+                                          detail,
+                                          404)
+
+
+class ManifestUnverified(V2RegistryException):
+  def __init__(self, detail=None):
+    super(ManifestUnverified, self).__init__('MANIFEST_UNVERIFIED',
+                                             'manifest failed signature verification',
+                                             detail)
+
+
+class NameInvalid(V2RegistryException):
+  def __init__(self, detail=None):
+    super(NameInvalid, self).__init__('NAME_INVALID',
+                                      'invalid repository name',
+                                      detail)
+
+
+class NameUnknown(V2RegistryException):
+  def __init__(self, detail=None):
+    super(NameUnknown, self).__init__('NAME_UNKNOWN',
+                                      'repository name not known to registry',
+                                      detail,
+                                      404)
+
+
+class SizeInvalid(V2RegistryException):
+  def __init__(self, detail=None):
+    super(SizeInvalid, self).__init__('SIZE_INVALID',
+                                      'provided length did not match content length',
+                                      detail)
+
+
+class TagInvalid(V2RegistryException):
+  def __init__(self, detail=None):
+    super(TagInvalid, self).__init__('TAG_INVALID',
+                                     'manifest tag did not match URI',
+                                     detail)
+
+
+class Unauthorized(V2RegistryException):
+  def __init__(self, detail=None):
+    super(Unauthorized, self).__init__('UNAUTHORIZED',
+                                       'access to the requested resource is not authorized',
+                                       detail,
+                                       401)
+
+
+class Unsupported(V2RegistryException):
+  def __init__(self, detail=None):
+    super(Unsupported, self).__init__('UNSUPPORTED',
+                                      'The operation is unsupported.',
+                                      detail,
+                                      405)