Add support for allow_missing in updates of projects, APIs, and versi…

…ons (#379)

* Add allow_missing fields to project, API, and version update request messages.
* Update generated proto code.
* Add allow_missing support to projects, APIs, and versions
* Add tests for allow_missing in project, API, and version updates.
* Add locks to address race conditions in allow_missing updates.

google/cloud/apigeeregistry/v1/admin_service.proto

@@ -176,6 +176,10 @@ message UpdateProjectRequest {
   // If a "*" is specified, all fields are updated, including fields that are
   // unspecified/default in the request.
   google.protobuf.FieldMask update_mask = 2;
+
+  // If set to true, and the project is not found, a new project will be created.
+  // In this situation, `update_mask` is ignored.
+  bool allow_missing = 3;
 }
 
 // Request message for DeleteProject.

google/cloud/apigeeregistry/v1/registry_service.proto

@@ -506,6 +506,10 @@ message UpdateApiRequest {
   // If a "*" is specified, all fields are updated, including fields that are
   // unspecified/default in the request.
   google.protobuf.FieldMask update_mask = 2;
+
+  // If set to true, and the api is not found, a new api_versions will be created.
+  // In this situation, `update_mask` is ignored.
+  bool allow_missing = 3;
 }
 
 // Request message for DeleteApi.
@@ -608,6 +612,10 @@ message UpdateApiVersionRequest {
   // If a "*" is specified, all fields are updated, including fields that are
   // unspecified/default in the request.
   google.protobuf.FieldMask update_mask = 2;
+
+  // If set to true, and the version is not found, a new version will be created.
+  // In this situation, `update_mask` is ignored.
+  bool allow_missing = 3;
 }
 
 // Request message for DeleteApiVersion.