Documentation Features EELF and Healthcheck

Documentation Features EELF and Healthcheck
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Change-Id: I1888340e6fc0b34c39fd232864b3c01ff683de7d
Issue-Id: POLICY-335
Signed-off-by: Saryu Shah <ss3917@att.com>
diff --git a/docs/platform/feature_eelf.rst b/docs/platform/feature_eelf.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
+
+*************************************************
+Feature: EELF (Event and Error Logging Framework) 
+*************************************************
+
+.. contents::
+    :depth: 3
+
+Summary
+^^^^^^^
+The EELF feature provides backwards compatibility with R0 logging functionality. It supports the use of EELF/Common Framework style logging at the same time as traditional logging.
+
+.. seealso:: Additional information for EELF logging can be found at `EELF wiki`_.
+
+.. _EELF wiki: https://github.com/att/EELF/wiki
+
+
+Usage
+^^^^^
+
+To utilize the eelf logging capabilities, first stop policy engine and then enable the feature using the "*features*" command.
+
+    .. code-block:: bash
+       :caption: Enabling EELF Feature
+
+        policy@hyperion-4:/opt/app/policy$ policy stop
+        [drools-pdp-controllers]
+         L []: Stopping Policy Management... Policy Management (pid=354) is stopping... Policy Management has stopped.
+        policy@hyperion-4:/opt/app/policy$ features enable eelf
+        name                      version         status
+        ----                      -------         ------
+        controlloop-utils         1.1.0-SNAPSHOT  disabled
+        healthcheck               1.1.0-SNAPSHOT  disabled
+        test-transaction          1.1.0-SNAPSHOT  disabled
+        eelf                      1.1.0-SNAPSHOT  enabled
+        state-management          1.1.0-SNAPSHOT  disabled
+        active-standby-management 1.1.0-SNAPSHOT  disabled
+        session-persistence       1.1.0-SNAPSHOT  disabled
+
+The output of the enable command will indicate whether or not the feature was enabled successfully.
+
+Policy engine can then be started as usual.
+
+
+
+End of Document
+
+.. SSNote: Wiki page ref. https://wiki.onap.org/display/DW/Feature+EELF
+