Changelog for 2.1.9

Author: kohashim

CHANGELOG.md

@@ -3,6 +3,15 @@ All notable changes to this project are documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
+## 2.1.9 - 2018-05-17
+
+### Added
+- Added support for customer secret keys. More details can be found [here](https://github.com/oracle/terraform-provider-oci/tree/master/docs/identity/customer_secret_keys.md).
+- Added boot volume attachments data source. More details can be found [here](https://github.com/oracle/terraform-provider-oci/tree/master/docs/core/boot_volume_attachments.md).
+- Added region data source. More details can be found [here](https://github.com/oracle/terraform-provider-oci/tree/master/docs/identity/regions.md).
+- Added tenancy data source. More details can be found [here](https://github.com/oracle/terraform-provider-oci/tree/master/docs/identity/tenancies.md).
+
+
 ## 2.1.8 - 2018-05-10
 
 ### Added