moved cache & db host vars to group

group_vars/cache.yml

@@ -0,0 +1,5 @@
+---
+custom_firewall_ports:
+  - 6379
+install_redis_exporter: true
+description: 'cache node for retailor redis cache'

group_vars/database.yml

@@ -0,0 +1,9 @@
+---
+custom_firewall_ports:
+  - 111
+  - 2049
+  - 3306
+apt_packages:
+  - nfs-kernel-server
+install_mysqld_exporter: true
+description: 'database & filestorage node for hosting app.retailor.io'