while (clusterState.getRoutingNodes().hasUnassignedShards()) {
            clusterState = strategy.applyStartedShards(
                clusterState,
                clusterState.getRoutingNodes().shardsWithState(ShardRoutingState.INITIALIZING)
            );
            clusterState = strategy.reroute(clusterState, "reroute");
        }
        return clusterState;
    }