Encrypt CI/CD builds tokens

Brings back 1e8f1de0 reverted in !23644

Closes #52342

See merge request gitlab-org/gitlab-ce!23436

3 files changed, 30 insertions, 0 deletions

diff --git a/db/migrate/20181129104854_add_token_encrypted_to_ci_builds.rb b/db/migrate/20181129104854_add_token_encrypted_to_ci_builds.rb
new file mode 100644
index 00000000000..11b98203793
--- /dev/null
+++ b/db/migrate/20181129104854_add_token_encrypted_to_ci_builds.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class AddTokenEncryptedToCiBuilds < ActiveRecord::Migration[5.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    add_column :ci_builds, :token_encrypted, :string
+  end
+end
diff --git a/db/migrate/20181129104944_add_index_to_ci_builds_token_encrypted.rb b/db/migrate/20181129104944_add_index_to_ci_builds_token_encrypted.rb
new file mode 100644
index 00000000000..f90aca008e5
--- /dev/null
+++ b/db/migrate/20181129104944_add_index_to_ci_builds_token_encrypted.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AddIndexToCiBuildsTokenEncrypted < ActiveRecord::Migration[5.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :ci_builds, :token_encrypted, unique: true, where: 'token_encrypted IS NOT NULL'
+  end
+
+  def down
+    remove_concurrent_index :ci_builds, :token_encrypted
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index fc73d30fb1f..d7124100621 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -345,6 +345,7 @@ ActiveRecord::Schema.define(version: 20181203002526) do
     t.boolean "protected"
     t.integer "failure_reason"
     t.datetime_with_timezone "scheduled_at"
+    t.string "token_encrypted"
     t.index ["artifacts_expire_at"], name: "index_ci_builds_on_artifacts_expire_at", where: "(artifacts_file <> ''::text)", using: :btree
     t.index ["auto_canceled_by_id"], name: "index_ci_builds_on_auto_canceled_by_id", using: :btree
     t.index ["commit_id", "stage_idx", "created_at"], name: "index_ci_builds_on_commit_id_and_stage_idx_and_created_at", using: :btree
@@ -361,6 +362,7 @@ ActiveRecord::Schema.define(version: 20181203002526) do
     t.index ["stage_id"], name: "index_ci_builds_on_stage_id", using: :btree
     t.index ["status", "type", "runner_id"], name: "index_ci_builds_on_status_and_type_and_runner_id", using: :btree
     t.index ["token"], name: "index_ci_builds_on_token", unique: true, using: :btree
+    t.index ["token_encrypted"], name: "index_ci_builds_on_token_encrypted", unique: true, where: "(token_encrypted IS NOT NULL)", using: :btree
     t.index ["updated_at"], name: "index_ci_builds_on_updated_at", using: :btree
     t.index ["user_id"], name: "index_ci_builds_on_user_id", using: :btree
   end