fantapsody commented on a change in pull request #10600:
URL: https://github.com/apache/pulsar/pull/10600#discussion_r633328326
##########
File path:
pulsar-metadata/src/main/java/org/apache/pulsar/metadata/impl/ZKMetadataStore.java
##########
@@ -360,4 +368,35 @@ private static CreateMode
getCreateMode(EnumSet<CreateOption> options) {
public long getZkSessionId() {
return zkc.getSessionId();
}
+
+ @Override
+ public CompletableFuture<Void> initializeCluster() {
+ if (this.metadataURL == null) {
+ return FutureUtil.failedFuture(new
MetadataStoreException("metadataURL is not set"));
+ }
+ if (this.metadataStoreConfig == null) {
+ return FutureUtil.failedFuture(new
MetadataStoreException("metadataStoreConfig is not set"));
+ }
+ int chrootIndex = metadataURL.indexOf("/");
+ if (chrootIndex > 0) {
+ String chrootPath = metadataURL.substring(chrootIndex);
+ String zkConnectForChrootCreation = metadataURL.substring(0,
chrootIndex);
+ try (ZooKeeper chrootZk = ZooKeeperClient.newBuilder()
+ .connectString(zkConnectForChrootCreation)
+
.sessionTimeoutMs(metadataStoreConfig.getSessionTimeoutMillis())
+ .connectRetryPolicy(
+ new
BoundExponentialBackoffRetryPolicy(metadataStoreConfig.getSessionTimeoutMillis(),
+
metadataStoreConfig.getSessionTimeoutMillis(), 0))
+ .build()) {
+ if (chrootZk.exists(chrootPath, false) == null) {
+ ZkUtils.createFullPathOptimistic(chrootZk, chrootPath, new
byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE,
+ CreateMode.PERSISTENT);
+ log.info("Created zookeeper chroot path {} successfully",
chrootPath);
+ }
+ } catch (Exception e) {
+ return FutureUtil.failedFuture(e);
+ }
+ }
+ return CompletableFuture.completedFuture(null);
Review comment:
It's true. The synchronous implementation is because I want to keep this
piece of code simple and reuse the previous code, and the asynchronous API
definition is to leave room for future optimizations if needed.
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