1 files changed, 19 insertions, 0 deletions
diff --git a/lib/tasks/gitlab/background_migrations.rake b/lib/tasks/gitlab/background_migrations.rake
index c978a2807ca..c7f3d003f9f 100644
--- a/lib/tasks/gitlab/background_migrations.rake
+++ b/lib/tasks/gitlab/background_migrations.rake
@@ -2,6 +2,7 @@
 
 namespace :gitlab do
   namespace :background_migrations do
+    desc 'Synchronously finish executing a batched background migration'
     task :finalize, [:job_class_name, :table_name, :column_name, :job_arguments] => :environment do |_, args|
       [:job_class_name, :table_name, :column_name, :job_arguments].each do |argument|
         unless args[argument]
@@ -19,5 +20,23 @@ namespace :gitlab do
 
       puts "Done.".color(:green)
     end
+
+    desc 'Display the status of batched background migrations'
+    task status: :environment do
+      statuses = Gitlab::Database::BackgroundMigration::BatchedMigration.statuses
+      max_status_length = statuses.keys.map(&:length).max
+      format_string = "%-#{max_status_length}s | %s\n"
+
+      Gitlab::Database::BackgroundMigration::BatchedMigration.find_each(batch_size: 100) do |migration|
+        identification_fields = [
+          migration.job_class_name,
+          migration.table_name,
+          migration.column_name,
+          migration.job_arguments.to_json
+        ].join(',')
+
+        printf(format_string, migration.status, identification_fields)
+      end
+    end
   end
 end