Backport of https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/14597ce-docker_image_replication-event-generation

This is the first part of Docker Registry replication
    for secondary Geo node.

3 files changed, 59 insertions, 0 deletions

diff --git a/db/migrate/20190611100201_add_geo_container_repository_updated_events_table.rb b/db/migrate/20190611100201_add_geo_container_repository_updated_events_table.rb
new file mode 100644
index 00000000000..8963e837e08
--- /dev/null
+++ b/db/migrate/20190611100201_add_geo_container_repository_updated_events_table.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AddGeoContainerRepositoryUpdatedEventsTable < ActiveRecord::Migration[5.1]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    create_table :geo_container_repository_updated_events, force: :cascade do |t|
+      t.integer :container_repository_id, null: false
+
+      t.index :container_repository_id, name: :idx_geo_con_rep_updated_events_on_container_repository_id, using: :btree
+    end
+
+    add_column :geo_event_log, :container_repository_updated_event_id, :bigint
+  end
+end
diff --git a/db/migrate/20190611100202_add_index_to_geo_event_log.rb b/db/migrate/20190611100202_add_index_to_geo_event_log.rb
new file mode 100644
index 00000000000..c5c855fed61
--- /dev/null
+++ b/db/migrate/20190611100202_add_index_to_geo_event_log.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AddIndexToGeoEventLog < ActiveRecord::Migration[5.1]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :geo_event_log, :container_repository_updated_event_id
+  end
+
+  def down
+    remove_concurrent_index(:geo_event_log, :container_repository_updated_event_id)
+  end
+end
diff --git a/db/migrate/20190627122264_add_foreign_keys_for_container_repository.rb b/db/migrate/20190627122264_add_foreign_keys_for_container_repository.rb
new file mode 100644
index 00000000000..cf7fd03e9af
--- /dev/null
+++ b/db/migrate/20190627122264_add_foreign_keys_for_container_repository.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class AddForeignKeysForContainerRepository < ActiveRecord::Migration[5.1]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key(:geo_container_repository_updated_events, :container_repositories, column: :container_repository_id, on_delete: :cascade)
+
+    add_concurrent_foreign_key(:geo_event_log, :geo_container_repository_updated_events, column: :container_repository_updated_event_id, on_delete: :cascade)
+  end
+
+  def down
+    if foreign_key_exists?(:geo_container_repository_updated_events, :container_repositories)
+      remove_foreign_key(:geo_container_repository_updated_events, :container_repositories)
+    end
+
+    if foreign_key_exists?(:geo_event_log, :geo_container_repository_updated_events)
+      remove_foreign_key(:geo_event_log, :geo_container_repository_updated_events)
+    end
+  end
+end