Add latest changes from gitlab-org/gitlab@master

1 files changed, 10 insertions, 0 deletions

diff --git a/app/graphql/mutations/base_mutation.rb b/app/graphql/mutations/base_mutation.rb
index 7273a74cb86..623f7c27584 100644
--- a/app/graphql/mutations/base_mutation.rb
+++ b/app/graphql/mutations/base_mutation.rb
@@ -5,6 +5,8 @@ module Mutations
     prepend Gitlab::Graphql::Authorize::AuthorizeResource
     prepend Gitlab::Graphql::CopyFieldDescription
 
+    ERROR_MESSAGE = 'You cannot perform write operations on a read-only instance'
+
     field :errors, [GraphQL::STRING_TYPE],
           null: false,
           description: "Reasons why the mutation failed."
@@ -17,5 +19,13 @@ module Mutations
     def errors_on_object(record)
       record.errors.full_messages
     end
+
+    def ready?(**args)
+      if Gitlab::Database.read_only?
+        raise Gitlab::Graphql::Errors::ResourceNotAvailable, ERROR_MESSAGE
+      else
+        true
+      end
+    end
   end
 end