Add two new ActiveRecord models

- Namespace::Storagestatistics will persist root namespace statistics
- Namespace::AggregationSchedule will save information when a new update
to the namespace statistics needs to be scheduled

Both tables use 'namespace_id' as primary key

3 files changed, 53 insertions, 0 deletions

diff --git a/db/migrate/20190531153110_create_namespace_root_storage_statistics.rb b/db/migrate/20190531153110_create_namespace_root_storage_statistics.rb
new file mode 100644
index 00000000000..702560d05cc
--- /dev/null
+++ b/db/migrate/20190531153110_create_namespace_root_storage_statistics.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class CreateNamespaceRootStorageStatistics < ActiveRecord::Migration[5.1]
+  DOWNTIME = false
+
+  def change
+    create_table :namespace_root_storage_statistics, id: false, primary_key: :namespace_id do |t|
+      t.integer :namespace_id, null: false, primary_key: true
+      t.datetime_with_timezone :updated_at, null: false
+
+      t.bigint :repository_size, null: false, default: 0
+      t.bigint :lfs_objects_size, null: false, default: 0
+      t.bigint :wiki_size, null: false, default: 0
+      t.bigint :build_artifacts_size, null: false, default: 0
+      t.bigint :storage_size, null: false, default: 0
+      t.bigint :packages_size, null: false, default: 0
+
+      t.index :namespace_id, unique: true
+      t.foreign_key :namespaces, column: :namespace_id, on_delete: :cascade
+    end
+  end
+end
diff --git a/db/migrate/20190605184422_create_namespace_aggregation_schedules.rb b/db/migrate/20190605184422_create_namespace_aggregation_schedules.rb
new file mode 100644
index 00000000000..5e8cb616cc1
--- /dev/null
+++ b/db/migrate/20190605184422_create_namespace_aggregation_schedules.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+class CreateNamespaceAggregationSchedules < ActiveRecord::Migration[5.1]
+  DOWNTIME = false
+
+  def change
+    create_table :namespace_aggregation_schedules, id: false, primary_key: :namespace_id do |t|
+      t.integer :namespace_id, null: false, primary_key: true
+
+      t.index :namespace_id, unique: true
+      t.foreign_key :namespaces, column: :namespace_id, on_delete: :cascade
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index a94e5142627..192ec8007d9 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -2055,6 +2055,21 @@ ActiveRecord::Schema.define(version: 20190620112608) do
     t.index ["title"], name: "index_milestones_on_title_trigram", using: :gin, opclasses: {"title"=>"gin_trgm_ops"}
   end
 
+  create_table "namespace_aggregation_schedules", primary_key: "namespace_id", id: :integer, default: nil, force: :cascade do |t|
+    t.index ["namespace_id"], name: "index_namespace_aggregation_schedules_on_namespace_id", unique: true, using: :btree
+  end
+
+  create_table "namespace_root_storage_statistics", primary_key: "namespace_id", id: :integer, default: nil, force: :cascade do |t|
+    t.datetime_with_timezone "updated_at", null: false
+    t.bigint "repository_size", default: 0, null: false
+    t.bigint "lfs_objects_size", default: 0, null: false
+    t.bigint "wiki_size", default: 0, null: false
+    t.bigint "build_artifacts_size", default: 0, null: false
+    t.bigint "storage_size", default: 0, null: false
+    t.bigint "packages_size", default: 0, null: false
+    t.index ["namespace_id"], name: "index_namespace_root_storage_statistics_on_namespace_id", unique: true, using: :btree
+  end
+
   create_table "namespace_statistics", id: :serial, force: :cascade do |t|
     t.integer "namespace_id", null: false
     t.integer "shared_runners_seconds", default: 0, null: false
@@ -3757,6 +3772,8 @@ ActiveRecord::Schema.define(version: 20190620112608) do
   add_foreign_key "merge_trains", "users", on_delete: :cascade
   add_foreign_key "milestones", "namespaces", column: "group_id", name: "fk_95650a40d4", on_delete: :cascade
   add_foreign_key "milestones", "projects", name: "fk_9bd0a0c791", on_delete: :cascade
+  add_foreign_key "namespace_aggregation_schedules", "namespaces", on_delete: :cascade
+  add_foreign_key "namespace_root_storage_statistics", "namespaces", on_delete: :cascade
   add_foreign_key "namespace_statistics", "namespaces", on_delete: :cascade
   add_foreign_key "namespaces", "namespaces", column: "custom_project_templates_group_id", name: "fk_e7a0b20a6b", on_delete: :nullify
   add_foreign_key "namespaces", "plans", name: "fk_fdd12e5b80", on_delete: :nullify