Add aodh metadata for memcache security strategy

Change-Id: Ic4caa502221ab917116d9fd90d4d110c3876337d
Related-Prod: PROD-23561
diff --git a/aodh/server/cluster.yml b/aodh/server/cluster.yml
index 9bc2971..f9b8682 100644
--- a/aodh/server/cluster.yml
+++ b/aodh/server/cluster.yml
@@ -75,3 +75,8 @@
         cron:
           minute: 0
           hour: 2
+      cache:
+        security:
+          enabled: ${_param:aodh_memcache_security_enabled}
+          strategy: ${_param:openstack_memcache_security_strategy}
+          secret_key: ${_param:aodh_memcache_secret_key}
diff --git a/aodh/server/single.yml b/aodh/server/single.yml
index 106a1b6..c231be6 100644
--- a/aodh/server/single.yml
+++ b/aodh/server/single.yml
@@ -44,3 +44,8 @@
         cron:
           minute: 0
           hour: 2
+      cache:
+        security:
+          enabled: ${_param:aodh_memcache_security_enabled}
+          strategy: ${_param:openstack_memcache_security_strategy}
+          secret_key: ${_param:aodh_memcache_secret_key}
diff --git a/defaults/openstack/init.yml b/defaults/openstack/init.yml
index aa39c0d..468778a 100644
--- a/defaults/openstack/init.yml
+++ b/defaults/openstack/init.yml
@@ -21,3 +21,6 @@
     # Heat
     heat_memcache_security_enabled: ${_param:openstack_memcache_security_enabled}
     heat_memcache_secret_key: ''
+    # Aodh
+    aodh_memcache_security_enabled: ${_param:openstack_memcache_security_enabled}
+    aodh_memcache_secret_key: ''