Add missing down migration to put the tables back.

db/migrate/20211022193626_remove_migration_feature.rb

@@ -72,4 +72,52 @@ def up
     drop_table :transformation_mappings
     drop_table :transformation_mapping_items
   end
+
+  def down
+    # TODO: Verify this... taken straight from schema.rb
+
+    create_table "conversion_hosts", comment: "Conversion Hosts", force: :cascade do |t|
+      t.string "name", comment: "A symbolic name for the conversion host."
+      t.string "address", comment: "The IP address for the conversion host. If present, must be one of the associated resource's IP addresses."
+      t.string "type", comment: "The STI type of the conversion host."
+      t.string "resource_type", comment: "The STI type of the associated resource."
+      t.bigint "resource_id", comment: "The ID of the associated resource."
+      t.string "version", comment: "The version of the v2v conversion tool on the conversion host."
+      t.integer "max_concurrent_tasks", comment: "The maximum number of concurrent tasks for the conversion host to be considered eligible."
+      t.boolean "vddk_transport_supported", comment: "Indicates whether or not vddk transport is supported from the appliance to the conversion host."
+      t.boolean "ssh_transport_supported", comment: "Indicates whether or not ssh transport is supported from the appliance to the conversion host."
+      t.datetime "created_at", null: false, comment: "The timestamp the conversion host was added to the app inventory."
+      t.datetime "updated_at", null: false, comment: "The timestamp the conversion host was last updated within the appliance."
+      t.string "concurrent_transformation_limit", comment: "The maximum number of concurrent transformation tasks the conversion host may undertake."
+      t.string "cpu_limit", comment: "The CPU percentage limit that the conversion host may use."
+      t.string "memory_limit", comment: "The memory limit (in mb) that the conversion host may use."
+      t.string "network_limit", comment: "The maximum network (bandwidth) usage that the conversion host may use."
+      t.string "blockio_limit", comment: "The block I/O (disk) limit that the conversion host may use."
+      t.index ["resource_id", "resource_type"], name: "index_conversion_hosts_on_resource_id_and_resource_type"
+      t.index ["resource_type", "resource_id"], name: "index_conversion_hosts_on_resource_type_and_resource_id"
+    end
+
+    create_table "transformation_mappings", force: :cascade do |t|
+      t.string "name"
+      t.string "description"
+      t.string "comments"
+      t.string "state"
+      t.jsonb "options", default: {}
+      t.bigint "tenant_id"
+      t.datetime "created_at", null: false
+      t.datetime "updated_at", null: false
+    end
+
+    create_table "transformation_mapping_items", force: :cascade do |t|
+      t.bigint "source_id"
+      t.string "source_type"
+      t.bigint "destination_id"
+      t.string "destination_type"
+      t.bigint "transformation_mapping_id"
+      t.jsonb "options", default: {}
+      t.datetime "created_at", null: false
+      t.datetime "updated_at", null: false
+      t.index ["transformation_mapping_id"], name: "index_transformation_mapping_items_on_transformation_mapping_id"
+    end
+  end
 end