Add ability to configure gnocchi redis urls from pillar

Related-Prod: PROD-29126

Change-Id: I0b19ef9740d0474fb7ae3e44a6fba5a9dfcdfd14
diff --git a/README.rst b/README.rst
index ad12aad..8e8f36e 100644
--- a/README.rst
+++ b/README.rst
@@ -333,6 +333,64 @@
             strategy: ENCRYPT
             secret_key: secret
 
+Setup redis coordination_backend url:
+---------------------------
+.. code-block:: yaml
+
+    gnocchi:
+      common:
+        coordination_backend:
+          engine: redis
+          redis:
+            password: pswd
+            user: openstack
+            db: '0'
+            sentinel:
+              host: 127.0.0.1
+              master_name: master_1
+              fallback:
+                - host: 127.0.1.1
+                - host: 127.0.2.1
+
+Setup redis storage url:
+-----------------------
+.. code-block:: yaml
+
+    gnocchi:
+      common:
+        storage:
+          driver: redis
+          redis:
+            password: pswd
+            user: openstack
+            db: '0'
+            sentinel:
+              host: 127.0.0.1
+              master_name: master_1
+              fallback:
+                - host: 127.0.1.1
+                - host: 127.0.2.1
+
+Setup redis incoming storage url:
+---------------------------
+.. code-block:: yaml
+
+    gnocchi:
+      common:
+        storage:
+          incoming:
+            driver: redis
+            redis:
+              password: pswd
+              user: openstack
+              db: '0'
+              sentinel:
+                host: 127.0.0.1
+                master_name: master_1
+                fallback:
+                  - host: 127.0.1.1
+                  - host: 127.0.2.1
+
 More Information
 ================