Add index template for CADF audit messages

Change-Id: Ia4289468a6022e0bfeea166d807385aa170d3888
diff --git a/elasticsearch/files/es_template_audit.json b/elasticsearch/files/es_template_audit.json
new file mode 100644
index 0000000..359a25f
--- /dev/null
+++ b/elasticsearch/files/es_template_audit.json
@@ -0,0 +1,56 @@
+{
+    "mappings": {
+        "message": {
+            "properties": {
+                "Payload": {
+                    "type": "string"
+                },
+                "Logger": {
+                    "index": "not_analyzed",
+                    "type": "string"
+                },
+                "Hostname": {
+                    "index": "not_analyzed",
+                    "type": "string"
+                },
+                "Pid": {
+                    "index": "not_analyzed",
+                    "type": "long"
+                },
+                "Severity": {
+                    "index": "not_analyzed",
+                    "type": "long"
+                },
+                "Type": {
+                    "index": "not_analyzed",
+                    "type": "string"
+                },
+                "severity_label": {
+                    "index": "not_analyzed",
+                    "type": "string"
+                },
+                "environment_label": {
+                    "index": "not_analyzed",
+                    "type": "string"
+                },
+                "action": {
+                    "index": "not_analyzed",
+                    "type": "string"
+                },
+                "event_type": {
+                    "index": "not_analyzed",
+                    "type": "string"
+                },
+                "outcome": {
+                    "index": "not_analyzed",
+                    "type": "string"
+                },
+                "notification_type": {
+                    "index": "not_analyzed",
+                    "type": "string"
+                }
+            }
+        }
+    },
+    "template": "audit-*"
+}
diff --git a/metadata/service/client.yml b/metadata/service/client.yml
index fc57c7c..3527091 100644
--- a/metadata/service/client.yml
+++ b/metadata/service/client.yml
@@ -8,6 +8,9 @@
         log:
           enabled: true
           template: elasticsearch/files/es_template_log.json
+        audit:
+          enabled: true
+          template: elasticsearch/files/es_template_audit.json
         notification:
           enabled: true
           template: elasticsearch/files/es_template_notification.json