| /* |
| * 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.iotdb.confignode.conf; |
| |
| import org.apache.iotdb.common.rpc.thrift.TConfigNodeLocation; |
| import org.apache.iotdb.common.rpc.thrift.TEndPoint; |
| import org.apache.iotdb.common.rpc.thrift.TSStatus; |
| import org.apache.iotdb.commons.conf.IoTDBConstant; |
| import org.apache.iotdb.commons.exception.BadNodeUrlException; |
| import org.apache.iotdb.commons.utils.NodeUrlUtils; |
| import org.apache.iotdb.confignode.client.ConfigNodeRequestType; |
| import org.apache.iotdb.confignode.client.sync.SyncConfigNodeClientPool; |
| import org.apache.iotdb.rpc.TSStatusCode; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Comparator; |
| import java.util.List; |
| import java.util.Properties; |
| import java.util.stream.Collectors; |
| |
| import static org.apache.commons.lang3.StringUtils.isNumeric; |
| |
| public class ConfigNodeRemoveCheck { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(ConfigNodeRemoveCheck.class); |
| |
| private static final ConfigNodeConfig CONF = ConfigNodeDescriptor.getInstance().getConf(); |
| |
| private final File systemPropertiesFile; |
| private final Properties systemProperties; |
| |
| public ConfigNodeRemoveCheck() { |
| systemPropertiesFile = |
| new File(CONF.getSystemDir() + File.separator + ConfigNodeConstant.SYSTEM_FILE_NAME); |
| systemProperties = new Properties(); |
| } |
| |
| public TConfigNodeLocation removeCheck(String args) { |
| TConfigNodeLocation nodeLocation = new TConfigNodeLocation(); |
| if (!systemPropertiesFile.exists()) { |
| LOGGER.error("The system properties file is not exists. IoTDB-ConfigNode is shutdown."); |
| return nodeLocation; |
| } |
| try (FileInputStream inputStream = new FileInputStream(systemPropertiesFile)) { |
| systemProperties.load(new InputStreamReader(inputStream, StandardCharsets.UTF_8)); |
| if (isNumeric(args)) { |
| int id = Integer.parseInt(args); |
| nodeLocation = |
| getConfigNodeList().stream() |
| .filter(e -> e.getConfigNodeId() == id) |
| .findFirst() |
| .orElse(null); |
| } else { |
| try { |
| TEndPoint endPoint = NodeUrlUtils.parseTEndPointUrl(args); |
| nodeLocation = |
| getConfigNodeList().stream() |
| .filter(e -> e.getInternalEndPoint().equals(endPoint)) |
| .findFirst() |
| .orElse(null); |
| } catch (BadNodeUrlException e) { |
| LOGGER.info( |
| "Usage: remove-confignode.sh <confignode-id> " |
| + "or remove-confignode.sh <internal_address>:<internal_port>", |
| e); |
| return nodeLocation; |
| } |
| } |
| } catch (IOException | BadNodeUrlException e) { |
| LOGGER.error("Load system properties file failed.", e); |
| } |
| |
| return nodeLocation; |
| } |
| |
| public void removeConfigNode(TConfigNodeLocation removedNode) |
| throws BadNodeUrlException, IOException { |
| TSStatus status = new TSStatus(); |
| // Using leader ConfigNode id firstly |
| List<TConfigNodeLocation> configNodeList = |
| getConfigNodeList().stream() |
| .sorted(Comparator.comparing(TConfigNodeLocation::getConfigNodeId)) |
| .collect(Collectors.toList()); |
| for (TConfigNodeLocation configNodeLocation : configNodeList) { |
| status = |
| (TSStatus) |
| SyncConfigNodeClientPool.getInstance() |
| .sendSyncRequestToConfigNodeWithRetry( |
| configNodeLocation.getInternalEndPoint(), |
| removedNode, |
| ConfigNodeRequestType.REMOVE_CONFIG_NODE); |
| if (status.getCode() == TSStatusCode.SUCCESS_STATUS.getStatusCode()) { |
| break; |
| } |
| |
| if (status.getCode() == TSStatusCode.REMOVE_CONFIGNODE_ERROR.getStatusCode()) { |
| LOGGER.warn("Execute removeConfigNode failed for: {}", status.getMessage()); |
| break; |
| } |
| } |
| |
| if (status.getCode() != TSStatusCode.SUCCESS_STATUS.getStatusCode()) { |
| LOGGER.error(status.getMessage()); |
| throw new IOException("Remove ConfigNode failed: " + status.getMessage()); |
| } |
| } |
| |
| /** |
| * config_node_list of confignode-system.properties |
| * |
| * @throws BadNodeUrlException loadConfigNodeList() |
| * @throws IOException loadConfigNodeList() |
| */ |
| public List<TConfigNodeLocation> getConfigNodeList() throws BadNodeUrlException, IOException { |
| return SystemPropertiesUtils.loadConfigNodeList(); |
| } |
| |
| public int getConsensusPort() { |
| return Integer.parseInt(systemProperties.getProperty(IoTDBConstant.CN_CONSENSUS_PORT)); |
| } |
| |
| private static class ConfigNodeConfRemoveCheckHolder { |
| |
| private static final ConfigNodeRemoveCheck INSTANCE = new ConfigNodeRemoveCheck(); |
| |
| private ConfigNodeConfRemoveCheckHolder() { |
| // Empty constructor |
| } |
| } |
| |
| public static ConfigNodeRemoveCheck getInstance() { |
| return ConfigNodeRemoveCheck.ConfigNodeConfRemoveCheckHolder.INSTANCE; |
| } |
| } |