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90 lines
3.0 KiB
90 lines
3.0 KiB
/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.apache.dolphinscheduler.server.master.registry; |
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import static org.apache.dolphinscheduler.common.Constants.REGISTRY_DOLPHINSCHEDULER_MASTERS; |
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import static org.apache.dolphinscheduler.common.Constants.REGISTRY_DOLPHINSCHEDULER_WORKERS; |
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import org.apache.dolphinscheduler.common.Constants; |
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import org.apache.dolphinscheduler.common.enums.NodeType; |
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import org.apache.dolphinscheduler.spi.register.DataChangeEvent; |
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import org.apache.dolphinscheduler.spi.register.SubscribeListener; |
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import javax.annotation.Resource; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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public class MasterRegistryDataListener implements SubscribeListener { |
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private static final Logger logger = LoggerFactory.getLogger(MasterRegistryDataListener.class); |
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@Resource |
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MasterRegistryClient masterRegistryClient; |
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@Override |
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public void notify(String path, DataChangeEvent event) { |
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//monitor master |
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if (path.startsWith(REGISTRY_DOLPHINSCHEDULER_MASTERS + Constants.SINGLE_SLASH)) { |
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handleMasterEvent(event, path); |
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} else if (path.startsWith(REGISTRY_DOLPHINSCHEDULER_WORKERS + Constants.SINGLE_SLASH)) { |
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//monitor worker |
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handleWorkerEvent(event, path); |
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} |
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} |
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/** |
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* monitor master |
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* |
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* @param event event |
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* @param path path |
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*/ |
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public void handleMasterEvent(DataChangeEvent event, String path) { |
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switch (event) { |
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case ADD: |
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logger.info("master node added : {}", path); |
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break; |
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case REMOVE: |
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masterRegistryClient.removeNodePath(path, NodeType.MASTER, true); |
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break; |
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default: |
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break; |
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} |
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} |
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/** |
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* monitor worker |
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* |
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* @param event event |
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* @param path path |
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*/ |
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public void handleWorkerEvent(DataChangeEvent event, String path) { |
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switch (event) { |
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case ADD: |
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logger.info("worker node added : {}", path); |
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break; |
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case REMOVE: |
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logger.info("worker node deleted : {}", path); |
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masterRegistryClient.removeNodePath(path, NodeType.WORKER, true); |
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break; |
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default: |
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break; |
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} |
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} |
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}
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