Merge "Implement aodh memcache security strategy"
diff --git a/README.rst b/README.rst
index c0816e5..78c5538 100644
--- a/README.rst
+++ b/README.rst
@@ -122,6 +122,26 @@
 You can read more about it here:
     https://docs.openstack.org/security-guide/databases/database-access-control.html
 
+Aodh server with memcached caching and security strategy:
+
+.. code-block:: yaml
+
+    aodh:
+      server:
+        enabled: true
+        ...
+        cache:
+          engine: memcached
+          members:
+          - host: 127.0.0.1
+            port: 11211
+          - host: 127.0.0.1
+            port: 11211
+          security:
+            enabled: true
+            strategy: ENCRYPT
+            secret_key: secret
+
 Development and testing
 =======================
 
diff --git a/aodh/files/pike/aodh.conf.Debian b/aodh/files/pike/aodh.conf.Debian
index e4c9dfb..fcbeafc 100644
--- a/aodh/files/pike/aodh.conf.Debian
+++ b/aodh/files/pike/aodh.conf.Debian
@@ -681,6 +681,14 @@
 
 {%- if server.cache is defined %}
 memcached_servers = {%- for member in server.cache.members %}{{ member.host }}:{{ member.get('port', '11211') }}{% if not loop.last %},{% endif %}{%- endfor %}
+  {%- if server.cache.get('security', {}).get('enabled', False) %}
+memcache_security_strategy = {{ server.cache.security.get('strategy', 'ENCRYPT') }}
+    {%- if server.cache.security.secret_key is not defined or not server.cache.security.secret_key %}
+    {%- do salt.test.exception('server.cache.security.secret_key is not defined: Please add secret_key') %}
+    {%- else %}
+memcache_secret_key = {{ server.cache.security.secret_key }}
+    {%- endif %}
+  {%- endif %}
 {%- else %}
 token_cache_time = -1
 {%- endif %}
diff --git a/tests/pillar/server_cluster.sls b/tests/pillar/server_cluster.sls
index d49cfd7..549f916 100644
--- a/tests/pillar/server_cluster.sls
+++ b/tests/pillar/server_cluster.sls
@@ -44,6 +44,17 @@
       password: test
     notifications:
       store_events: default
+    cache:
+      engine: memcached
+      members:
+      - host: 127.0.0.1
+        port: 11211
+      - host: 127.0.0.1
+        port: 11211
+      security:
+        enabled: true
+        strategy: ENCRYPT
+        secret_key: secret
 apache:
   server:
     enabled: true