Documentation for storperf-reporting module

JIRA: STORPERF-141

Change-Id: I3a228737093d7ea3b645789fb2c7569ed4e932d5
Signed-off-by: saksham115 <saksham.agrawal@research.iiit.ac.in>

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+++ b/docs/index.rst
@@ -36,6 +36,7 @@ StorPerf User Guide
 
    ./testing/user/introduction.rst
    ./testing/user/test-usage.rst
+   ./testing/user/storperf-reporting.rst
 
 
 Indices

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@@ -15,3 +15,4 @@ StorPerf User Guide
    introduction.rst
    installation.rst
    test-usage.rst
+   storperf-reporting.rst

diff --git a/docs/testing/user/storperf-reporting.rst b/docs/testing/user/storperf-reporting.rst
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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, Dell EMC and others.
+
+==========================
+Storperf Reporting Module
+==========================
+
+
+About this project
+=====================
+
+* This project aims to create a series of graphs to support the SNIA reports.
+* All data for the reports can be fetched either from the OPNFV Test Results DB, or locally from StorPerf's own database of current run data.
+* The report code may be stored in either the Releng repository (so it can be included in the Test Results Dashboards), or locally in StorPerf's own git repository.
+* The report (generated by the reporting module) looks like the following example:
+
+.. image:: demo_example.png
+    :align: center
+
+Usage
+=======
+
+* Enter the URL for the location of the data for which you want to generate the report.
+* Note: You can test the module using the testdata present in the directory ``storperf-reporting/src/static/testdata``. Instead of the URL enter the filename present in the testdata directory, eg. **local-data.json**
+* After entering the URL, you are taken to the page showing the details of the all the jobs present in the data.
+* Click on the *Click here to view details* to see the different block sizes for the respective job.
+* Click on the block size and select the parameter for which you want to view the graph.
+
+Graph Explanation
+===================
+
+Example of a graph generated is shown below:-
+
+
+.. image:: graph_explanation.png
+    :align: center
+
+**Steady State Convergence Graph**
+
+* This graph shows the values as reported by StorPerf for the actual and average throughput.
+* Also shown is the average +-10% and the slope.
+* It serves to visually demonstrate the compliance to the steady state definition.
+* The allowed maximum data excursion is 20% of the average (or average x 0.20)
+* The allowed maximum slope excursion is 10% of the average.
+* The measured data excursion is the value from range.
+* The measured slope excursion is the value from range
+
+Workflow
+==========
+
+A Flask server is used to fetch the data and is sent to the client side for formation of the graphs (Using Javascript).
+
+Steps involved
+--------------
+
+* Step 1: Data is fetched from the OPNFV Test Results ReST API
+* Step 2: The fields "report_data" and "metrics" are taken from the JSON object retrieved in the above step and sent to the client side.
+* Step 3: The "report_data" is obtained by the client side and a parser written in Javascript along with Plotly.js forms the graphs.
+
+Directory structure
+====================
+
+``storperf/docker/storperf-reporting/`` contains the code used for this project.
+
+The file structure is as follows:-
+
+.. code-block:: bash
+
+    storperf-reporting
+    |+-- Dockerfile                         # Dockerfile for the storperf-reporting container
+    |+-- requirements.txt                   # pip requirements for the container
+    +-- src                                 # Contains the code for the flask server
+        |+-- app.py                         # Code to run the flask application
+        |+-- static                         # Contains the static files (js,css)
+        |   |+-- css                        # Contains css files
+        |   |   `-- bootstrap.min.css
+        |   |+-- images
+        |   |+-- js                         # Contains the javascript files
+        |   |   |-- bootstrap.min.js
+        |   |   |-- Chart.min.js
+        |   |   |-- jquery-2.1.3.min.js
+        |   |   |-- jquery.bootpag.min.js
+        |   |   `-- plotly-latest.min.js    # Used for plotting the graphs
+        |   `-- testdata                    # Contains testing data for the module
+        `-- templates
+            |-- index.html
+            |-- plot_jobs.html
+            |-- plot_multi_data.html
+            `-- plot_tables.html
+
+Graphing libraries and tools
+==============================
+
+* Plotly.js is used as the graphing library for this project (Link: https://plot.ly/javascript/)
+* Bootstrap is used for the UI of the project.