add BWC alias for internal index

create an alias for old nodes to retrieve new documents in the internal index as they do not know the new index pattern
elastic · Oct 11, 2019 · 0ca53bd · 0ca53bd
1 parent ba62eb3
commit 0ca53bd
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/...m/src/main/java/org/elasticsearch/xpack/transform/persistence/TransformInternalIndex.java b/...m/src/main/java/org/elasticsearch/xpack/transform/persistence/TransformInternalIndex.java
@@ -82,6 +82,8 @@ public static IndexTemplateMetaData getIndexTemplateMetaData() throws IOExceptio
                         .put(IndexMetaData.SETTING_AUTO_EXPAND_REPLICAS, "0-1"))
                 // todo: remove type
                 .putMapping(MapperService.SINGLE_MAPPING_NAME, Strings.toString(mappings()))
+                // BWC: for mixed clusters with nodes < 7.5, we need the alias to make new docs visible for them
+                .putAlias(AliasMetaData.builder(".data-frame-internal-3"))
                 .build();
         return transformTemplate;
     }