Add cli documents file.

Change-Id: I436267daf44036f8663265d2e7e271d655bccb0b

doc/source/cli/index.rst

@@ -0,0 +1,86 @@
+..
+  Licensed under the Apache License, Version 2.0 (the "License"); you may
+  not use this file except in compliance with the License. You may obtain
+  a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+  License for the specific language governing permissions and limitations
+  under the License.
+
+================
+Zun CLI man page
+================
+
+
+SYNOPSIS
+========
+
+Zun operation use `zun` command, and also support use `openstack` command.
+
+:program:`zun` [options] <command> [command-options]
+
+:program:`openstack` appcontainer <command> [command-options]
+
+
+DESCRIPTION
+===========
+
+The :program:`zun` command line utility interacts with OpenStack Containers
+Service (Zun).
+
+In order to use the CLI, you must provide your OpenStack username, password,
+project (historically called tenant), and auth endpoint. You can use
+configuration options `--os-username`, `--os-password`, `--os-tenant-name` or
+`--os-tenant-id`, and `--os-auth-url` or set corresponding environment
+variables::
+
+    export OS_USERNAME=user
+    export OS_PASSWORD=pass
+    export OS_PROJECT_NAME=myproject
+    export OS_AUTH_URL=http://auth.example.com:5000/v3
+    export OS_USER_DOMAIN_ID=default
+    export OS_PROJECT_DOMAIN_ID=default
+
+OPTIONS
+=======
+
+To get a list of available commands and options run::
+
+    zun help
+
+To get usage and options of a command::
+
+    zun help <command>
+
+EXAMPLES
+========
+
+List all the containers::
+
+    zun list
+
+Create new container::
+
+    zun run --name container01 IMAGE01
+
+Describe a specific container::
+
+    zun show container01
+
+You can also use openstack command as follow.
+
+List all the containers::
+
+    openstack appcontainer list
+
+Create new container::
+
+    openstack appcontainer run --name container01 IMAGE01
+
+Describe a specific container::
+
+    openstack appcontainer show container01

doc/source/index.rst

@@ -10,6 +10,7 @@ Contents
    readme
    install/index
    contributor/index
+   cli/index
 
 Indices and tables
 ------------------