sijie commented on a change in pull request #8781:
URL: https://github.com/apache/pulsar/pull/8781#discussion_r534005280
##########
File path:
pulsar-functions/worker/src/main/java/org/apache/pulsar/functions/worker/Worker.java
##########
@@ -150,15 +150,8 @@ private static URI initialize(WorkerConfig workerConfig)
admin.close();
}
- // initialize the dlog namespace
- // TODO: move this as part of pulsar cluster initialization later
- try {
- return WorkerUtils.initializeDlogNamespace(internalConf);
- } catch (IOException ioe) {
- log.error("Failed to initialize dlog namespace with zookeeper {}
at metadata service uri {} for storing function packages",
- internalConf.getZookeeperServers(),
internalConf.getBookkeeperMetadataServiceUri(), ioe);
- throw ioe;
- }
+ // get the dlog namespace
+ return
WorkerUtils.getDlogNamespaceURI(internalConf.getZookeeperServers());
Review comment:
Don't remove the code immediately. Please add a flag in Function worker
config to control whether do we need to initialize dlog namespace or not. By
default, we can make it `true` (to initialize dlog namespace) for backward
compatibility consideration and allow people to turn it off.
##########
File path:
pulsar-broker/src/main/java/org/apache/pulsar/PulsarInitialDlogNamespaceMetadataSetup.java
##########
@@ -0,0 +1,69 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.pulsar;
+
+import com.beust.jcommander.JCommander;
+import com.beust.jcommander.Parameter;
+import org.apache.pulsar.common.conf.InternalConfigurationData;
+import org.apache.pulsar.functions.worker.WorkerUtils;
+
+public class PulsarInitialDlogNamespaceMetadataSetup {
+ private static class Arguments {
+ @Parameter(names = {"-cs",
+ "--configuration-store"}, description = "Configuration Store
connection string", required = true)
+ private String configurationStore;
+
+ @Parameter(names = {"--bookkeeper-metadata-service-uri"}, description
= "Metadata service uri of BookKeeper", required = true)
+ private String bkMetadataServiceUri;
+
+ @Parameter(names = {"-h", "--help"}, description = "Show this help
message")
+ private boolean help = false;
+ }
+
+ public static void main(String[] args) throws Exception {
+ PulsarInitialDlogNamespaceMetadataSetup.Arguments arguments = new
PulsarInitialDlogNamespaceMetadataSetup.Arguments();
+ JCommander jcommander = new JCommander();
+ try {
+ jcommander.addObject(arguments);
+ jcommander.parse(args);
+ if (arguments.help) {
+ jcommander.usage();
+ return;
+ }
+ } catch (Exception e) {
+ jcommander.usage();
+ throw e;
+ }
+
+ if (arguments.configurationStore == null) {
+ System.err.println("Configuration store address argument is
required (--configuration-store)");
+ jcommander.usage();
+ System.exit(1);
+ }
+ if (arguments.bkMetadataServiceUri == null) {
+ System.err.println("Metadata service uri of BookKeeper argument is
required (--bookkeeper-metadata-service-uri)");
+ jcommander.usage();
+ System.exit(1);
+ }
+
+ InternalConfigurationData internalConf = new
InternalConfigurationData(arguments.configurationStore,
arguments.configurationStore, null, arguments.bkMetadataServiceUri, null);
+ WorkerUtils.initializeDlogNamespace(internalConf);
Review comment:
Also initialize the dlog namespace as part of
`initialize-cluster-metadata` command.
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