Add documentation for the nova-cells command.

The rst file was missing.

DocImpact
Partial-Bug: #1434866

Change-Id: I65ba5d89c1812d47ddaa64db150c5ae8a670c236

doc/source/conf.py

@@ -116,6 +116,8 @@ man_pages = [
      u'Cloud controller fabric', [u'OpenStack'], 1),
     ('man/nova-api', 'nova-api', u'Cloud controller fabric',
      [u'OpenStack'], 1),
+    ('man/nova-cells', 'nova-cells', u'Cloud controller fabric',
+     [u'OpenStack'], 1),
     ('man/nova-cert', 'nova-cert', u'Cloud controller fabric',
      [u'OpenStack'], 1),
     ('man/nova-compute', 'nova-compute', u'Cloud controller fabric',

doc/source/man/index.rst

@@ -30,6 +30,7 @@ Reference
    nova-api-metadata
    nova-api-os-compute
    nova-api
+   nova-cells
    nova-cert
    nova-compute
    nova-conductor

doc/source/man/nova-cells.rst

@@ -0,0 +1,49 @@
+==========
+nova-cells
+==========
+
+--------------------------------
+Server for the Nova Cells
+--------------------------------
+
+:Author: openstack@lists.openstack.org
+:Date:   2012-09-27
+:Copyright: OpenStack Foundation
+:Version: 2012.1
+:Manual section: 1
+:Manual group: cloud computing
+
+SYNOPSIS
+========
+
+  nova-cells [options]
+
+DESCRIPTION
+===========
+
+Starts the nova-cells service.
+
+The nova-cells service handles communication between cells and selects cells for new instances.
+
+OPTIONS
+=======
+
+ **General options**
+
+FILES
+========
+
+* /etc/nova/nova.conf
+* /etc/nova/policy.json
+* /etc/nova/rootwrap.conf
+* /etc/nova/rootwrap.d/
+
+SEE ALSO
+========
+
+* `OpenStack Nova <http://nova.openstack.org>`__
+
+BUGS
+====
+
+* Nova bugs are managed at Launchpad `Bugs : Nova <https://bugs.launchpad.net/nova>`__