Merge pull request #108 from BenWhitehead/uninstall-doc

Add Uninstall docs

docs/_layouts/docs.html

@@ -44,6 +44,11 @@ <h5>Reference</h5>
             FAQ
         </a>
       </li>
+      <li>
+        <a href="{{ site.baseurl }}/docs/uninstall.html">
+            Uninstall
+        </a>
+      </li>
     </ul>
   </div>
   <div class="col-sm-9">

docs/docs/uninstall.md

@@ -0,0 +1,42 @@
+---
+title: Manual Uninstall
+---
+
+Manual Uninstall
+================
+
+------------
+
+**DISCLAIMER**
+_This is a very early version of Cassandra-on-Mesos framework. This document, code behavior, and anything else may change without notice and/or break older installations._
+
+------------
+
+
+## Manual Uninstall on DCOS
+
+_All instructions below assume the default values were used when installed on DCOS_
+
+To uninstall the Cassandra DCOS Service complete the following actions:
+
+1. Run `dcos package uninstall cassandra`
+2. ZooKeeper Node provided to `CASSANDRA_ZK`
+    * Using zkCli run the `rmr /cassandra-mesos/dcos` command
+3. Remove the directory provided to `CASSANDRA_DATA_DIRECTORY`
+    * The default behavior is to write data into the Mesos Sandbox and does not need to be manually cleaned unless a specific value was provided.
+
+
+## Manual Uninstall on Mesos
+
+_Following the instructions will completely uninstall the Cassandra-on-Mesos framework -- data and all, no recovery will be possible._
+
+To uninstall the Cassandra Mesos Framework complete the following actions:
+
+1. Delete Marathon app
+2. Shutdown framework
+    1. Get framework ID from `http://mesos-master:5050/#/frameworks`
+    2. run `curl -d "frameworkId=<framework_id_from_step_1>" http://mesos-master:5050/master/shutdown`
+3. ZooKeeper Node provided to `CASSANDRA_ZK`
+    * Using zkCli run the `rmr` command
+4. Remove the directory provided to `CASSANDRA_DATA_DIRECTORY`
+    * The default behavior is to write data into the Mesos Sandbox and does not need to be manually cleaned unless a specific value was provided.