SESSION_ENGINE parameter introduced, pillar for SESSION_TIMEOUT changed. Actualized pillar for horizon.server.cluster service
diff --git a/metadata/service/server/cluster.yml b/metadata/service/server/cluster.yml
index 2fcab19..f680b20 100644
--- a/metadata/service/server/cluster.yml
+++ b/metadata/service/server/cluster.yml
@@ -4,21 +4,27 @@
 - service.horizon.support
 parameters:
   _param:
-    horizon_version: kilo
+    horizon_version: liberty
+    horizon_identity_host: localhost
     horizon_identity_version: 3
+    horizon_identity_encryption: none
     horizon_identity_endpoint_type: internalURL
   horizon:
     server:
       enabled: true
       version: ${_param:horizon_version}
       secret_key: ${_param:horizon_secret_key}
-      session_timeout: 43200
-      wsgi:
-        processes: 3
-        threads: 10
+      session:
+        timeout: 43200
+        engine: 'signed_cookies'
       bind:
         address: ${_param:cluster_local_address}
         port: 80
+      wsgi:
+        processes: 3
+        threads: 10
+      mail:
+        identity: ${_param:horizon_identity_version}
       cache:
         engine: memcached
         prefix: 'CACHE_HORIZON'
@@ -29,31 +35,9 @@
           port: 11211
         - host: ${_param:cluster_node03_address}
           port: 11211
-      api_versions:
-        identity: ${_param:horizon_identity_version}
       identity:
         engine: keystone
-        host: ${_param:cluster_vip_address}
         port: 5000
+        host: ${_param:horizon_identity_host}
+        encryption: ${_param:horizon_identity_encryption}
         endpoint_type: ${_param:horizon_identity_endpoint_type}
-  haproxy:
-    proxy:
-      listens:
-      - name: horizon
-        type: horizon
-        binds:
-        - address: ${_param:cluster_vip_address}
-          port: 80
-        servers:
-        - name: ctl01
-          host: ${_param:cluster_node01_address}
-          port: 80
-          params: cookie ctl01 check inter 2000 fall 3
-        - name: ctl02
-          host: ${_param:cluster_node02_address}
-          port: 80
-          params: cookie ctl02 check inter 2000 fall 3
-        - name: ctl03
-          host: ${_param:cluster_node03_address}
-          port: 80
-          params: cookie ctl03 check inter 2000 fall 3
diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index 16e78c0..9eb974a 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -14,7 +14,9 @@
       enabled: true
       version: ${_param:horizon_version}
       secret_key: ${_param:horizon_secret_key}
-      session_timeout: 43200
+      session:
+        timeout: 43200
+        engine: 'signed_cookies'
       bind:
         address: ${_param:single_address}
         port: 80