private List<Node> getCollectionUrls(
SolrQueryRequest req, String collection, String shardZkNodeName) {
ClusterState clusterState =
req.getCore().getCoreDescriptor().getCoreContainer().getZkController().getClusterState();
List<Node> urls = new ArrayList<Node>();
Map<String, Slice> slices = clusterState.getSlices(collection);
if (slices == null) {
throw new ZooKeeperException(
ErrorCode.BAD_REQUEST, "Could not find collection in zk: " + clusterState);
}
for (Map.Entry<String, Slice> sliceEntry : slices.entrySet()) {
Slice replicas = slices.get(sliceEntry.getKey());
Map<String, Replica> shardMap = replicas.getReplicasMap();
for (Entry<String, Replica> entry : shardMap.entrySet()) {
ZkCoreNodeProps nodeProps = new ZkCoreNodeProps(entry.getValue());
if (clusterState.liveNodesContain(nodeProps.getNodeName())
&& !entry.getKey().equals(shardZkNodeName)) {
urls.add(new StdNode(nodeProps));
}
}
}
if (urls.size() == 0) {
return null;
}
return urls;
}
private void waitTillNodesActive() throws Exception {
for (int i = 0; i < 60; i++) {
Thread.sleep(3000);
ZkStateReader zkStateReader = cloudClient.getZkStateReader();
ClusterState clusterState = zkStateReader.getClusterState();
DocCollection collection1 = clusterState.getCollection("collection1");
Slice slice = collection1.getSlice("shard1");
Collection<Replica> replicas = slice.getReplicas();
boolean allActive = true;
Collection<String> nodesDownNames =
nodesDown.stream().map(n -> n.coreNodeName).collect(Collectors.toList());
Collection<Replica> replicasToCheck =
replicas
.stream()
.filter(r -> !nodesDownNames.contains(r.getName()))
.collect(Collectors.toList());
for (Replica replica : replicasToCheck) {
if (!clusterState.liveNodesContain(replica.getNodeName())
|| replica.getState() != Replica.State.ACTIVE) {
allActive = false;
break;
}
}
if (allActive) {
return;
}
}
printLayout();
fail("timeout waiting to see all nodes active");
}
private String getUrlFromZk(String collection) {
ClusterState clusterState = getCommonCloudSolrServer().getZkStateReader().getClusterState();
Map<String, Slice> slices = clusterState.getSlicesMap(collection);
if (slices == null) {
throw new SolrException(ErrorCode.BAD_REQUEST, "Could not find collection:" + collection);
}
for (Map.Entry<String, Slice> entry : slices.entrySet()) {
Slice slice = entry.getValue();
Map<String, Replica> shards = slice.getReplicasMap();
Set<Map.Entry<String, Replica>> shardEntries = shards.entrySet();
for (Map.Entry<String, Replica> shardEntry : shardEntries) {
final ZkNodeProps node = shardEntry.getValue();
if (clusterState.liveNodesContain(node.getStr(ZkStateReader.NODE_NAME_PROP))) {
return ZkCoreNodeProps.getCoreUrl(
node.getStr(ZkStateReader.BASE_URL_PROP),
collection); // new ZkCoreNodeProps(node).getCoreUrl();
}
}
}
throw new RuntimeException("Could not find a live node for collection:" + collection);
}