[docs] Move user guide chapters to make room for new chapter.

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Change-Id: I9dbf4a3d33c2b38f7567bc3493466e72a59e1a0c
Signed-off-by: Emma Foley <emma.l.foley@intel.com>
(cherry picked from commit 3248682fcc789f95ff8246a8d1f208a6a3abd46d)

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+.. This work is licensed under a Creative Commons Attribution 4.0 International
+.. License.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) OPNFV, Ericsson AB, Huawei Technologies Co.,Ltd and others.
+
+===================================
+Installing a plug-in into Yardstick
+===================================
+
+
+Abstract
+========
+
+Yardstick provides a ``plugin`` CLI command to support integration with other
+OPNFV testing projects. Below is an example invocation of Yardstick plugin
+command and Storperf plug-in sample.
+
+
+Installing Storperf into Yardstick
+==================================
+
+Storperf is delivered as a Docker container from
+https://hub.docker.com/r/opnfv/storperf/tags/.
+
+There are two possible methods for installation in your environment:
+
+* Run container on Jump Host
+* Run container in a VM
+
+In this introduction we will install Storperf on Jump Host.
+
+
+Step 0: Environment preparation
+-------------------------------
+
+Running Storperf on Jump Host
+Requirements:
+
+* Docker must be installed
+* Jump Host must have access to the OpenStack Controller API
+* Jump Host must have internet connectivity for downloading docker image
+* Enough floating IPs must be available to match your agent count
+
+Before installing Storperf into yardstick you need to check your openstack
+environment and other dependencies:
+
+1. Make sure docker is installed.
+2. Make sure Keystone, Nova, Neutron, Glance, Heat are installed correctly.
+3. Make sure Jump Host have access to the OpenStack Controller API.
+4. Make sure Jump Host must have internet connectivity for downloading docker
+   image.
+5. You need to know where to get basic openstack Keystone authorization info,
+   such as OS_PASSWORD, OS_PROJECT_NAME, OS_AUTH_URL, OS_USERNAME.
+6. To run a Storperf container, you need to have OpenStack Controller
+   environment variables defined and passed to Storperf container. The best way
+   to do this is to put environment variables in a "storperf_admin-rc" file.
+   The storperf_admin-rc should include credential environment variables at
+   least:
+
+   * OS_AUTH_URL
+   * OS_USERNAME
+   * OS_PASSWORD
+   * OS_PROJECT_NAME
+   * OS_PROJECT_ID
+   * OS_USER_DOMAIN_ID
+
+*Yardstick* has a ``prepare_storperf_admin-rc.sh`` script which can be used to
+generate the ``storperf_admin-rc`` file, this script is located at
+``test/ci/prepare_storperf_admin-rc.sh``
+
+::
+
+  #!/bin/bash
+  # Prepare storperf_admin-rc for StorPerf.
+  AUTH_URL=${OS_AUTH_URL}
+  USERNAME=${OS_USERNAME:-admin}
+  PASSWORD=${OS_PASSWORD:-console}
+
+  # OS_TENANT_NAME is still present to keep backward compatibility with legacy
+  # deployments, but should be replaced by OS_PROJECT_NAME.
+  TENANT_NAME=${OS_TENANT_NAME:-admin}
+  PROJECT_NAME=${OS_PROJECT_NAME:-$TENANT_NAME}
+  PROJECT_ID=`openstack project show admin|grep '\bid\b' |awk -F '|' '{print $3}'|sed -e 's/^[[:space:]]*//'`
+  USER_DOMAIN_ID=${OS_USER_DOMAIN_ID:-default}
+
+  rm -f ~/storperf_admin-rc
+  touch ~/storperf_admin-rc
+
+  echo "OS_AUTH_URL="$AUTH_URL >> ~/storperf_admin-rc
+  echo "OS_USERNAME="$USERNAME >> ~/storperf_admin-rc
+  echo "OS_PASSWORD="$PASSWORD >> ~/storperf_admin-rc
+  echo "OS_PROJECT_NAME="$PROJECT_NAME >> ~/storperf_admin-rc
+  echo "OS_PROJECT_ID="$PROJECT_ID >> ~/storperf_admin-rc
+  echo "OS_USER_DOMAIN_ID="$USER_DOMAIN_ID >> ~/storperf_admin-rc
+
+
+The generated ``storperf_admin-rc`` file will be stored in the root directory.
+If you installed *Yardstick* using Docker, this file will be located in the
+container. You may need to copy it to the root directory of the Storperf
+deployed host.
+
+Step 1: Plug-in configuration file preparation
+----------------------------------------------
+
+To install a plug-in, first you need to prepare a plug-in configuration file in
+YAML format and store it in the "plugin" directory. The plugin configration
+file work as the input of yardstick "plugin" command. Below is the Storperf
+plug-in configuration file sample:
+::
+
+  ---
+  # StorPerf plugin configuration file
+  # Used for integration StorPerf into Yardstick as a plugin
+  schema: "yardstick:plugin:0.1"
+  plugins:
+    name: storperf
+  deployment:
+    ip: 192.168.23.2
+    user: root
+    password: root
+
+In the plug-in configuration file, you need to specify the plug-in name and the
+plug-in deployment info, including node ip, node login username and password.
+Here the Storperf will be installed on IP 192.168.23.2 which is the Jump Host
+in my local environment.
+
+Step 2: Plug-in install/remove scripts preparation
+--------------------------------------------------
+
+In ``yardstick/resource/scripts`` directory, there are two folders: an
+``install`` folder and a ``remove`` folder. You need to store the plug-in
+install/remove scripts in these two folders respectively.
+
+The detailed installation or remove operation should de defined in these two
+scripts. The name of both install and remove scripts should match the plugin-in
+name that you specified in the plug-in configuration file.
+
+For example, the install and remove scripts for Storperf are both named
+``storperf.bash``.
+
+Step 3: Install and remove Storperf
+-----------------------------------
+
+To install Storperf, simply execute the following command::
+
+  # Install Storperf
+  yardstick plugin install plugin/storperf.yaml
+
+Removing Storperf from yardstick
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+To remove Storperf, simply execute the following command::
+
+  # Remove Storperf
+  yardstick plugin remove plugin/storperf.yaml
+
+What yardstick plugin command does is using the username and password to log
+into the deployment target and then execute the corresponding install or remove
+script.