Add table to track hashed storage migration events

db/migrate/20171107144122_create_geo_hashed_storage_migrated_events.rb

+class CreateGeoHashedStorageMigratedEvents < ActiveRecord::Migration
+  DOWNTIME = false
+
+  def change
+    create_table :geo_hashed_storage_migrated_events, id: :bigserial do |t|
+      t.references :project, index: true, foreign_key: { on_delete: :cascade }, null: false
+      t.text :repository_storage_name, null: false
+      t.text :repository_storage_path, null: false
+      t.text :old_disk_path, null: false
+      t.text :new_disk_path, null: false
+      t.text :old_wiki_disk_path, null: false
+      t.text :new_wiki_disk_path, null: false
+      t.integer :old_storage_version, limit: 2
+      t.integer :new_storage_version, null: false, limit: 2
+    end
+
+    add_column :geo_event_log, :hashed_storage_migrated_event_id, :integer, limit: 8
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20171107090120) do
+ActiveRecord::Schema.define(version: 20171107144122) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -784,6 +784,7 @@ ActiveRecord::Schema.define(version: 20171107090120) do
     t.integer "repository_renamed_event_id", limit: 8
     t.integer "repositories_changed_event_id", limit: 8
     t.integer "repository_created_event_id", limit: 8
+    t.integer "hashed_storage_migrated_event_id", limit: 8
   end
 
   add_index "geo_event_log", ["repositories_changed_event_id"], name: "index_geo_event_log_on_repositories_changed_event_id", using: :btree
@@ -792,6 +793,20 @@ ActiveRecord::Schema.define(version: 20171107090120) do
   add_index "geo_event_log", ["repository_renamed_event_id"], name: "index_geo_event_log_on_repository_renamed_event_id", using: :btree
   add_index "geo_event_log", ["repository_updated_event_id"], name: "index_geo_event_log_on_repository_updated_event_id", using: :btree
 
+  create_table "geo_hashed_storage_migrated_events", id: :bigserial, force: :cascade do |t|
+    t.integer "project_id", null: false
+    t.text "repository_storage_name", null: false
+    t.text "repository_storage_path", null: false
+    t.text "old_disk_path", null: false
+    t.text "new_disk_path", null: false
+    t.text "old_wiki_disk_path", null: false
+    t.text "new_wiki_disk_path", null: false
+    t.integer "old_storage_version", limit: 2
+    t.integer "new_storage_version", limit: 2, null: false
+  end
+
+  add_index "geo_hashed_storage_migrated_events", ["project_id"], name: "index_geo_hashed_storage_migrated_events_on_project_id", using: :btree
+
   create_table "geo_node_namespace_links", force: :cascade do |t|
     t.integer "geo_node_id", null: false
     t.integer "namespace_id", null: false
@@ -2270,6 +2285,7 @@ ActiveRecord::Schema.define(version: 20171107090120) do
   add_foreign_key "geo_event_log", "geo_repository_deleted_events", column: "repository_deleted_event_id", name: "fk_c4b1c1f66e", on_delete: :cascade
   add_foreign_key "geo_event_log", "geo_repository_renamed_events", column: "repository_renamed_event_id", name: "fk_86c84214ec", on_delete: :cascade
   add_foreign_key "geo_event_log", "geo_repository_updated_events", column: "repository_updated_event_id", on_delete: :cascade
+  add_foreign_key "geo_hashed_storage_migrated_events", "projects", on_delete: :cascade
   add_foreign_key "geo_node_namespace_links", "geo_nodes", on_delete: :cascade
   add_foreign_key "geo_node_namespace_links", "namespaces", on_delete: :cascade
   add_foreign_key "geo_repositories_changed_events", "geo_nodes", on_delete: :cascade