do indices lookup elsewhere

Author: martijnvg

server/src/main/java/org/elasticsearch/cluster/service/MasterService.java

@@ -444,9 +444,6 @@ class TaskOutputs {
                            Map<Object, ClusterStateTaskExecutor.TaskResult> executionResults) {
             this.taskInputs = taskInputs;
             this.previousClusterState = previousClusterState;
-            // In case indices lookup was built lazily then by invoking this method we ensure it gets built and specific validation occurs
-            // TODO: is there a better way?
-            newClusterState.metadata().getIndicesLookup();
             this.newClusterState = newClusterState;
             this.nonFailedTasks = nonFailedTasks;
             this.executionResults = executionResults;

x-pack/plugin/ilm/src/main/java/org/elasticsearch/xpack/ilm/IndexLifecycleRunner.java

@@ -67,6 +67,8 @@ class IndexLifecycleRunner {
                 builder.failure(task, e);
             }
         }
+        // Trigger indices lookup creation and related validation
+        state.metadata().getIndicesLookup();
         return builder.build(state);
     };