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+..
+    This work is licensed under a Creative Commons Attribution 3.0 Unported
+    License.
+
+    http://creativecommons.org/licenses/by/3.0/legalcode
+..
+
+===================
+Cluster root enable
+===================
+
+This spec is intended to add root enable support for clusters.
+
+Launchpad blueprint:
+
+https://blueprints.launchpad.net/trove/+spec/vertica-cluster-user-features
+
+
+Problem Description
+===================
+
+Trove's cluster API currently does not support root enable.
+
+
+Proposed Change
+===============
+
+Add support for root-enable for clusters, with optional user-provided
+passwords. User supplied passwords are necessary to create a good user
+experience in Horizon where enabling a root user should allow user input
+rather than requiring the user to wait for a password to popup on a response
+dialog.
+
+
+Configuration
+-------------
+
+None
+
+Database
+--------
+
+None
+
+Public API
+----------
+
+This change will add a new /clusters/<cluster_id>/root resource which is
+similar to the /root resource on instances with the addition of an optional
+password.
+
+Request::
+
+  {
+    "password": "secretsecret"
+  }
+
+- POST /v1.0/​[account-id]/clusters/<cluster_id>/root
+
+Response::
+
+  {
+    "username": "root",
+    "password": "secretsecret"
+  }
+
+- GET /v1.0/​<tenant_id>/clusters/<cluster_id>/root
+- DELETE /v1.0/​​<tenant_id>/clusters/<cluster_id>/root
+
+Public API Security
+-------------------
+
+The security of this API will be handled in the same manner as existing
+implementations.
+
+Python API
+----------
+
+None
+
+CLI (python-troveclient)
+------------------------
+
+New cluster-root-enable and cluster-root-show commands will be added
+
+Changes will effect:
+
+troveclient/v1/root.py
+troveclient/v1/shell.py
+troveclient/v1/clusters.py
+
+Internal API
+------------
+
+Root enablement support should be added for clusters. Changes include:
+
+trove/extensions/routes/mysql.py
+trove/extensions/mysql/service.py
+trove/extensions/mysql/models.py
+trove/guestagent/api.py
+
+Guest Agent
+-----------
+
+The guestagent API will get a new enable_root(self, password) function
+which allows optionally provided passwords to be supplied to a guest
+agent. This function will be in addition to the existing function, allowing
+for backwards compatibility with existing images.
+
+Additionally, each guest agent datastore impl will need to implement
+the enable_root(password) function.
+
+Alternatives
+------------
+
+None
+
+
+Implementation
+==============
+
+Assignee(s)
+-----------
+
+- jonathan.halterman@hp.com
+- sharika.pongubala@hp.com
+
+Milestones
+----------
+
+Liberty
+
+Work Items
+----------
+
+- API changes
+- Guest agent changes
+- CLI changes
+- Internal API changes
+
+
+Upgrade Implications
+====================
+
+None
+
+
+Dependencies
+============
+
+None
+
+
+Testing
+=======
+
+New unit and scenario tests will be added to assert that root enablement
+works as expected at the cluster level
+
+
+Documentation Impact
+====================
+The API changes to the clusters resource and the addition of the new
+cluster root resource need to be documented.
+
+References
+==========
+
+None
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