Support instances inside Hiera

REFERENCE.md

@@ -15,6 +15,7 @@ _Private Classes_
 
 * `redis::config`: This class provides configuration for Redis.
 * `redis::install`: This class installs the application.
+* `redis::instances` : This class manages multiple instances.
 * `redis::params`: This class provides a number of parameters.
 * `redis::preinstall`: Provides anything required by the install class, such as package
 repositories.

manifests/init.pp

@@ -153,6 +153,7 @@
 # @param [Integer] cluster_migration_barrier    Minimum number of slaves master will remain connected with, for another slave to migrate to a  master which is no longer covered by any slave
 #   Only set if cluster_enabled is true
 #   Default: 1
+# @param [Hash] instances   Iterate through multiple instance configurations
 class redis (
   $activerehashing                                               = $redis::params::activerehashing,
   $aof_load_truncated                                            = $redis::params::aof_load_truncated,
@@ -252,14 +253,21 @@
   $cluster_node_timeout                                          = $redis::params::cluster_node_timeout,
   Integer[0] $cluster_slave_validity_factor                      = $redis::params::cluster_slave_validity_factor,
   Boolean $cluster_require_full_coverage                         = $redis::params::cluster_require_full_coverage,
-  Integer[0] $cluster_migration_barrier                          = $redis::params::cluster_migration_barrier
+  Integer[0] $cluster_migration_barrier                          = $redis::params::cluster_migration_barrier,
+  Hash[String[1], Hash] $instances                               = {},
 ) inherits redis::params {
 
   contain redis::preinstall
   contain redis::install
   contain redis::config
   contain redis::service
 
+  $instances.each | String $key, Hash $values | {
+    redis::instance { $key:
+      * => $values,
+    }
+  }
+
   Class['redis::preinstall']
   -> Class['redis::install']
   -> Class['redis::config']