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+CloudStack
+==========
+
+`Apache CloudStack`_ expose user-data, meta-data, user password and account
+sshkey thru the Virtual-Router. For more details on meta-data and user-data,
+refer the `CloudStack Administrator Guide`_. 
+
+URLs to access user-data and meta-data from the Virtual Machine. Here 10.1.1.1
+is the Virtual Router IP:
+
+.. code:: bash
+
+    http://10.1.1.1/latest/user-data
+    http://10.1.1.1/latest/meta-data
+    http://10.1.1.1/latest/meta-data/{metadata type}
+
+Configuration
+-------------
+
+Apache CloudStack datasource can be configured as follows:
+
+.. code:: yaml
+
+    datasource:
+      CloudStack: {}
+      None: {}
+    datasource_list:
+      - CloudStack
+
+
+.. _Apache CloudStack: http://cloudstack.apache.org/
+.. _CloudStack Administrator Guide: http://docs.cloudstack.apache.org/projects/cloudstack-administration/en/latest/virtual_machines.html#user-data-and-meta-data
+
+.. vi: textwidth=78