IndexRoutingTable indexRoutingTable = clusterState.getRoutingTable().index(index);
for (int i = 0; i < indexMetaData.numberOfShards(); i++) {
ShardId shardId = new ShardId(index, i);
if (indexRoutingTable != null) {
ShardRouting primary = indexRoutingTable.shard(i).primaryShard();
if (primary == null || !primary.assignedToNode()) {
builder.put(shardId, new SnapshotMetaData.ShardSnapshotStatus(null, State.MISSING, "primary shard is not allocated"));
} else if (clusterState.getNodes().smallestVersion().onOrAfter(Version.V_1_2_0) && (primary.relocating() || primary.initializing())) {
// The WAITING state was introduced in V1.2.0 - don't use it if there are nodes with older version in the cluster
builder.put(shardId, new SnapshotMetaData.ShardSnapshotStatus(primary.currentNodeId(), State.WAITING));
} else if (!primary.started()) {