diff options
Diffstat (limited to 'db/post_migrate')
-rw-r--r-- | db/post_migrate/20181014121030_enqueue_redact_links.rb | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/db/post_migrate/20181014121030_enqueue_redact_links.rb b/db/post_migrate/20181014121030_enqueue_redact_links.rb new file mode 100644 index 00000000000..1ee4703c88a --- /dev/null +++ b/db/post_migrate/20181014121030_enqueue_redact_links.rb @@ -0,0 +1,65 @@ +# frozen_string_literal: true + +class EnqueueRedactLinks < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + DOWNTIME = false + BATCH_SIZE = 1000 + DELAY_INTERVAL = 5.minutes.to_i + MIGRATION = 'RedactLinks' + + disable_ddl_transaction! + + class Note < ActiveRecord::Base + include EachBatch + + self.table_name = 'notes' + self.inheritance_column = :_type_disabled + end + + class Issue < ActiveRecord::Base + include EachBatch + + self.table_name = 'issues' + self.inheritance_column = :_type_disabled + end + + class MergeRequest < ActiveRecord::Base + include EachBatch + + self.table_name = 'merge_requests' + self.inheritance_column = :_type_disabled + end + + class Snippet < ActiveRecord::Base + include EachBatch + + self.table_name = 'snippets' + self.inheritance_column = :_type_disabled + end + + def up + disable_statement_timeout do + schedule_migration(Note, 'note') + schedule_migration(Issue, 'description') + schedule_migration(MergeRequest, 'description') + schedule_migration(Snippet, 'description') + end + end + + def down + # nothing to do + end + + private + + def schedule_migration(model, field) + link_pattern = "%/sent_notifications/" + ("_" * 32) + "/unsubscribe%" + + model.where("#{field} like ?", link_pattern).each_batch(of: BATCH_SIZE) do |batch, index| + start_id, stop_id = batch.pluck('MIN(id)', 'MAX(id)').first + + BackgroundMigrationWorker.perform_in(index * DELAY_INTERVAL, MIGRATION, [model.name.demodulize, field, start_id, stop_id]) + end + end +end |