Update keystone install instructions with prereq

Change-Id: I5d1d3a2559afb4ffb7ef8e2961fabb12f89a3202 Closes-bug: 1635546
2017-01-17 17:27:03 +00:00
parent ed1f815eba
commit 937fed4016
1 changed files with 5 additions and 0 deletions
--- a/doc/install-guide/source/keystone-install.rst
+++ b/doc/install-guide/source/keystone-install.rst
@@ -14,6 +14,11 @@ Prerequisites
 Before you configure the OpenStack Identity service, you must create a
 database and an administration token.

+.. note::
+
+   Before you begin, ensure you have the most recent version of
+   ``python-pyasn1`` `installed <https://pypi.python.org/pypi/pyasn1>`_.
+
 #. To create the database, complete the following actions:

   .. only:: ubuntu