1 files changed, 31 insertions, 0 deletions
diff --git a/db/migrate/20200820204041_create_ci_platform_metrics.rb b/db/migrate/20200820204041_create_ci_platform_metrics.rb
new file mode 100644
index 00000000000..27a5a3dc8eb
--- /dev/null
+++ b/db/migrate/20200820204041_create_ci_platform_metrics.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+class CreateCiPlatformMetrics < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  CI_VARIABLES_KEY_INDEX_NAME = "index_ci_variables_on_key"
+
+  disable_ddl_transaction!
+
+  def up
+    unless table_exists?(:ci_platform_metrics)
+      create_table :ci_platform_metrics do |t|
+        t.datetime_with_timezone :recorded_at, null: false
+        t.text :platform_target, null: false
+        t.integer :count, null: false
+      end
+    end
+
+    add_text_limit :ci_platform_metrics, :platform_target, 255
+    add_concurrent_index :ci_variables, :key, name: CI_VARIABLES_KEY_INDEX_NAME
+  end
+
+  def down
+    if table_exists?(:ci_platform_metrics)
+      drop_table :ci_platform_metrics
+    end
+
+    remove_concurrent_index :ci_variables, :key, name: CI_VARIABLES_KEY_INDEX_NAME
+  end
+end