Add Redis replica recipe and role

site-cookbooks/kosmos_redis/recipes/replica.rb

@@ -0,0 +1,19 @@
+#
+# Cookbook Name:: kosmos_redis
+# Recipe:: replica
+#
+
+primary_host = search(:node, 'role:redis_server').first['knife_zero']['host'] rescue nil
+
+if primary_host.nil?
+  Chef::Log.warn("No node found with 'redis_server' role. Stopping here.")
+  return
+end
+
+node.normal['redisio']['servers'] = [{
+  'port' => '6379',
+  'replicaof' => { 'address' => primary_host, 'port' => '6379' }
+}]
+
+include_recipe 'redisio::default'
+include_recipe 'redisio::enable'