org.apache.pulsar.admin.cli.CmdFunctionWorker Maven / Gradle / Ivy
/**
* 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.admin.cli;
import com.beust.jcommander.Parameters;
import java.util.function.Supplier;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;
import org.apache.pulsar.client.admin.PulsarAdmin;
import org.apache.pulsar.client.api.PulsarClientException;
@Slf4j
@Parameters(commandDescription = "Operations to collect function-worker statistics")
public class CmdFunctionWorker extends CmdBase {
/**
* Base command.
*/
@Getter
abstract class BaseCommand extends CliCommand {
@Override
void run() throws Exception {
processArguments();
runCmd();
}
void processArguments() throws Exception {
}
abstract void runCmd() throws Exception;
}
@Parameters(commandDescription = "Dump all functions stats running on this broker")
class FunctionsStats extends BaseCommand {
@Override
void runCmd() throws Exception {
print(getAdmin().worker().getFunctionsStats());
}
}
@Parameters(commandDescription = "Dump metrics for Monitoring")
class CmdMonitoringMetrics extends BaseCommand {
@Override
void runCmd() throws Exception {
print(getAdmin().worker().getMetrics());
}
}
@Parameters(commandDescription = "Get all workers belonging to this cluster")
class GetCluster extends BaseCommand {
@Override
void runCmd() throws Exception {
print(getAdmin().worker().getCluster());
}
}
@Parameters(commandDescription = "Get the leader of the worker cluster")
class GetClusterLeader extends BaseCommand {
@Override
void runCmd() throws Exception {
print(getAdmin().worker().getClusterLeader());
}
}
@Parameters(commandDescription = "Get the assignments of the functions across the worker cluster")
class GetFunctionAssignments extends BaseCommand {
@Override
void runCmd() throws Exception {
print(getAdmin().worker().getAssignments());
}
}
@Parameters(commandDescription = "Triggers a rebalance of functions to workers")
class Rebalance extends BaseCommand {
@Override
void runCmd() throws Exception {
getAdmin().worker().rebalance();
print("Rebalance command sent successfully");
}
}
public CmdFunctionWorker(Supplier admin) throws PulsarClientException {
super("functions-worker", admin);
jcommander.addCommand("function-stats", new FunctionsStats());
jcommander.addCommand("monitoring-metrics", new CmdMonitoringMetrics());
jcommander.addCommand("get-cluster", new GetCluster());
jcommander.addCommand("get-cluster-leader", new GetClusterLeader());
jcommander.addCommand("get-function-assignments", new GetFunctionAssignments());
jcommander.addCommand("rebalance", new Rebalance());
}
}