add mapping for metadata.kafka.timestamp

salt/elasticsearch/templates/component/ecs/metadata.json

@@ -0,0 +1,26 @@
+{
+  "template": {
+    "mappings": {
+      "dynamic_templates": [],
+      "properties": {
+        "metadata": {
+          "properties": {
+            "kafka": {
+              "properties": {
+                "timestamp": {
+                  "type": "date"
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+  "_meta": {
+    "_meta": {
+      "documentation": "https://www.elastic.co/guide/en/ecs/current/ecs-log.html",
+      "ecs_version": "1.12.2"
+    }
+  }
+}