set up skeleton files for ha-guide

This commit creates content-free files.  After it is merged,
we can proceed to add content in separate commits.

All pathnames use hyphens as the space delimiter.

Implements blueprint improve-ha-guide

Change-Id: I87a078883680b2e40959279e29c2d427131097ce

doc/ha-guide/source/compute-node-ha.rst

@@ -0,0 +1,4 @@
+
+==================================================
+Configuring the Compute node for high availability
+==================================================

doc/ha-guide/source/controller-ha.rst

@@ -0,0 +1,4 @@
+
+================================================
+Configuring the Controller for high availability
+================================================

doc/ha-guide/source/hardware-ha.rst

@@ -0,0 +1,4 @@
+
+=============================================
+Hardware considerations for High Availability
+=============================================

doc/ha-guide/source/index.rst

@@ -5,11 +5,13 @@ OpenStack High Availability Guide
 Abstract
 ~~~~~~~~
 
-This guide describes how to install, configure, and manage
+This guide describes how to install and configure
 OpenStack for high availability.
+It supplements the Installation Guide
+and assumes that you are familiar with the material in that guide.
 
-This guide documents OpenStack Kilo, OpenStack Juno, and OpenStack
-Icehouse releases.
+This guide documents OpenStack Liberty, OpenStack Kilo, OpenStack Juno,
+and OpenStack Icehouse releases.
 
 .. warning:: This guide is a work-in-progress and changing rapidly
    while we continue to test and enhance the guidance. Please note
@@ -21,7 +23,15 @@ Contents
 .. toctree::
    :maxdepth: 2
 
-   intro.rst
+   intro-ha.rst
+   hardware-ha.rst
+   install-ha.rst
+   networking-ha.rst
+   controller-ha.rst
+   storage-ha.rst
+   compute-node-ha.rst
+   noncore-ha.rst
+
 
    imported/app_support.rst
    imported/glossary.rst

doc/ha-guide/source/install-ha.rst

@@ -0,0 +1,4 @@
+
+=====================================
+Installing high availability packages
+=====================================

doc/ha-guide/source/intro-ha-compute.rst

@@ -0,0 +1,4 @@
+
+==========================================
+Overview of highly-available compute nodes
+==========================================

doc/ha-guide/source/intro-ha-concepts.rst

@@ -0,0 +1,17 @@
+
+==========================
+High availability concepts
+==========================
+
+
+Redundancy and failover
+-----------------------
+
+Stateless vs. stateful services
+-------------------------------
+
+Quorums
+-------
+
+Single-controller high availability mode
+----------------------------------------

doc/ha-guide/source/intro-ha-controller.rst

@@ -0,0 +1,4 @@
+
+========================================
+Overview of highly-available controllers
+========================================

doc/ha-guide/source/intro-ha-other.rst

@@ -0,0 +1,4 @@
+
+======================================
+High availability for other components
+======================================

doc/ha-guide/source/intro-ha-storage.rst

@@ -0,0 +1,4 @@
+
+=====================================
+Overview of high availability storage
+=====================================

doc/ha-guide/source/intro-ha.rst

@@ -0,0 +1,15 @@
+
+===========================================
+Introduction to OpenStack high availability
+===========================================
+
+
+.. toctree::
+   :maxdepth: 2
+
+   intro-ha-concepts.rst
+   intro-ha-controller.rst
+   intro-ha-storage.rst
+   intro-ha-compute.rst
+   intro-ha-other.rst
+

doc/ha-guide/source/intro.rst

@@ -1,3 +0,0 @@
-============
-Introduction
-============

doc/ha-guide/source/networking-ha.rst

@@ -0,0 +1,4 @@
+
+=============================================
+Hardware considerations for high availability
+=============================================

doc/ha-guide/source/noncore-ha.rst

@@ -0,0 +1,4 @@
+
+=====================================================
+Configuring non-core components for high availability
+=====================================================

doc/ha-guide/source/storage-ha.rst

@@ -0,0 +1,10 @@
+
+=========================================
+Configuring Storage for high availability
+=========================================
+
+
+.. toctree::
+   :maxdepth: 2
+
+