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add build info in show cluster (#10595)

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6.4

/iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/service/ConfigNode.java

/*
 * 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.service;

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.client.ClientManagerMetrics;
import org.apache.iotdb.commons.concurrent.ThreadModule;
import org.apache.iotdb.commons.concurrent.ThreadName;
import org.apache.iotdb.commons.concurrent.ThreadPoolMetrics;
import org.apache.iotdb.commons.conf.IoTDBConstant;
import org.apache.iotdb.commons.exception.StartupException;
import org.apache.iotdb.commons.service.JMXService;
import org.apache.iotdb.commons.service.RegisterManager;
import org.apache.iotdb.commons.service.metric.MetricService;
import org.apache.iotdb.commons.utils.TestOnly;
import org.apache.iotdb.confignode.client.ConfigNodeRequestType;
import org.apache.iotdb.confignode.client.sync.SyncConfigNodeClientPool;
import org.apache.iotdb.confignode.conf.ConfigNodeConfig;
import org.apache.iotdb.confignode.conf.ConfigNodeConstant;
import org.apache.iotdb.confignode.conf.ConfigNodeDescriptor;
import org.apache.iotdb.confignode.conf.SystemPropertiesUtils;
import org.apache.iotdb.confignode.manager.ConfigManager;
import org.apache.iotdb.confignode.rpc.thrift.TConfigNodeRegisterReq;
import org.apache.iotdb.confignode.rpc.thrift.TConfigNodeRegisterResp;
import org.apache.iotdb.confignode.rpc.thrift.TConfigNodeRestartReq;
import org.apache.iotdb.confignode.service.thrift.ConfigNodeRPCService;
import org.apache.iotdb.confignode.service.thrift.ConfigNodeRPCServiceProcessor;
import org.apache.iotdb.db.service.metrics.ProcessMetrics;
import org.apache.iotdb.metrics.config.MetricConfigDescriptor;
import org.apache.iotdb.metrics.metricsets.UpTimeMetrics;
import org.apache.iotdb.metrics.metricsets.cpu.CpuUsageMetrics;
import org.apache.iotdb.metrics.metricsets.disk.DiskMetrics;
import org.apache.iotdb.metrics.metricsets.jvm.JvmMetrics;
import org.apache.iotdb.metrics.metricsets.logback.LogbackMetrics;
import org.apache.iotdb.metrics.metricsets.net.NetMetrics;
import org.apache.iotdb.metrics.metricsets.system.SystemMetrics;
import org.apache.iotdb.rpc.TSStatusCode;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.TimeUnit;

public class ConfigNode implements ConfigNodeMBean {

  private static final Logger LOGGER = LoggerFactory.getLogger(ConfigNode.class);

  private static final ConfigNodeConfig CONF = ConfigNodeDescriptor.getInstance().getConf();

  private static final int STARTUP_RETRY_NUM = 10;
  private static final int SCHEDULE_WAITING_RETRY_NUM = 20;
  private static final long STARTUP_RETRY_INTERVAL_IN_MS = TimeUnit.SECONDS.toMillis(3);

  private static final int SEED_CONFIG_NODE_ID = 0;

  private static final int INIT_NON_SEED_CONFIG_NODE_ID = -1;

  private static final String CONFIGURATION = "IoTDB configuration: {}";

  private final String mbeanName =
      String.format(
          "%s:%s=%s",
          ConfigNodeConstant.CONFIGNODE_PACKAGE, ConfigNodeConstant.JMX_TYPE, "ConfigNode");
  private final RegisterManager registerManager = new RegisterManager();

  private ConfigManager configManager;

  private ConfigNode() {
    // We do not init anything here, so that we can re-initialize the instance in IT.
  }

  public static void main(String[] args) {
    LOGGER.info(
        "{} environment variables: {}",
        ConfigNodeConstant.GLOBAL_NAME,
        ConfigNodeConfig.getEnvironmentVariables());
    LOGGER.info(
        "{} default charset is: {}",
        ConfigNodeConstant.GLOBAL_NAME,
        Charset.defaultCharset().displayName());
    new ConfigNodeCommandLine().doMain(args);
  }

  public void active() {
    LOGGER.info("Activating {}...", ConfigNodeConstant.GLOBAL_NAME);

    try {
      processPid();
      // Add shutdown hook
      Runtime.getRuntime().addShutdownHook(new ConfigNodeShutdownHook());
      // Set up internal services
      setUpInternalServices();
      // Init ConfigManager
      initConfigManager();

      /* Restart */
      if (SystemPropertiesUtils.isRestarted()) {
        LOGGER.info("{} is in restarting process...", ConfigNodeConstant.GLOBAL_NAME);

        int configNodeId;
        if (!SystemPropertiesUtils.isSeedConfigNode()) {
          // The non-seed-ConfigNodes should send restart request and be checked (ip and port) by
          // leader before initConsensusManager
          sendRestartConfigNodeRequest();
          configNodeId = CONF.getConfigNodeId();
        } else {
          configNodeId = SEED_CONFIG_NODE_ID;
        }
        configManager.initConsensusManager();

        setUpMetricService();
        // Notice: We always set up Seed-ConfigNode's RPC service lastly to ensure
        // that the external service is not provided until ConfigNode is fully available
        setUpRPCService();
        LOGGER.info(CONFIGURATION, CONF.getConfigMessage());
        LOGGER.info(
            "{} has successfully restarted and joined the cluster: {}.",
            ConfigNodeConstant.GLOBAL_NAME,
            CONF.getClusterName());

        // Update item during restart
        // This will always be executed until the consensus write succeeds
        while (true) {
          TSStatus status =
              configManager
                  .getNodeManager()
                  .updateConfigNodeIfNecessary(configNodeId, IoTDBConstant.BUILD_INFO);
          if (status.getCode() == TSStatusCode.SUCCESS_STATUS.getStatusCode()) {
            break;
          } else {
            startUpSleep("restart ConfigNode failed! ");
          }
        }
        return;
      }

      /* Initial startup of Seed-ConfigNode */
      if (ConfigNodeDescriptor.getInstance().isSeedConfigNode()) {
        LOGGER.info(
            "The current {} is now starting as the Seed-ConfigNode.",
            ConfigNodeConstant.GLOBAL_NAME);

        /* Always set ClusterId and ConfigNodeId before initConsensusManager */
        CONF.setConfigNodeId(SEED_CONFIG_NODE_ID);
        configManager.initConsensusManager();

        // Persistence system parameters after the consensusGroup is built,
        // or the consensusGroup will not be initialized successfully otherwise.
        SystemPropertiesUtils.storeSystemParameters();

        // Seed-ConfigNode should apply itself when first start
        configManager
            .getNodeManager()
            .applyConfigNode(
                generateConfigNodeLocation(SEED_CONFIG_NODE_ID), IoTDBConstant.BUILD_INFO);
        setUpMetricService();
        // Notice: We always set up Seed-ConfigNode's RPC service lastly to ensure
        // that the external service is not provided until Seed-ConfigNode is fully initialized
        setUpRPCService();
        // The initial startup of Seed-ConfigNode finished
        LOGGER.info(CONFIGURATION, CONF.getConfigMessage());
        LOGGER.info(
            "{} has successfully started and joined the cluster: {}.",
            ConfigNodeConstant.GLOBAL_NAME,
            CONF.getClusterName());
        return;
      }

      /* Initial startup of Non-Seed-ConfigNode */
      // We set up Non-Seed ConfigNode's RPC service before sending the register request
      // in order to facilitate the scheduling of capacity expansion process in ConfigNode-leader
      setUpRPCService();
      sendRegisterConfigNodeRequest();
      // The initial startup of Non-Seed-ConfigNode is not yet finished,
      // we should wait for leader's scheduling
      LOGGER.info(CONFIGURATION, CONF.getConfigMessage());
      LOGGER.info(
          "{} {} has registered successfully. Waiting for the leader's scheduling to join the cluster: {}.",
          ConfigNodeConstant.GLOBAL_NAME,
          CONF.getConfigNodeId(),
          CONF.getClusterName());
      setUpMetricService();

      boolean isJoinedCluster = false;
      for (int retry = 0; retry < SCHEDULE_WAITING_RETRY_NUM; retry++) {
        if (!configManager
            .getConsensusManager()
            .getConsensusImpl()
            .getAllConsensusGroupIds()
            .isEmpty()) {
          isJoinedCluster = true;
          break;
        }
        startUpSleep("Waiting leader's scheduling is interrupted.");
      }

      if (!isJoinedCluster) {
        LOGGER.error(
            "The current ConfigNode can't joined the cluster because leader's scheduling failed. The possible cause is that the ip:port configuration is incorrect.");
        stop();
      }
    } catch (StartupException | IOException e) {
      LOGGER.error("Meet error while starting up.", e);
      stop();
    }
  }

  void processPid() {
    String pidFile = System.getProperty(ConfigNodeConstant.IOTDB_PIDFILE);
    if (pidFile != null) {
      new File(pidFile).deleteOnExit();
    }
  }

  private void setUpInternalServices() throws StartupException {
    // Setup JMXService
    registerManager.register(new JMXService());
    JMXService.registerMBean(this, mbeanName);

    LOGGER.info("Successfully setup internal services.");
  }

  private void setUpMetricService() throws StartupException {
    MetricConfigDescriptor.getInstance().getMetricConfig().setNodeId(CONF.getConfigNodeId());
    registerManager.register(MetricService.getInstance());
    // Bind predefined metric sets
    MetricService.getInstance().addMetricSet(new UpTimeMetrics());
    MetricService.getInstance().addMetricSet(new JvmMetrics());
    MetricService.getInstance().addMetricSet(new LogbackMetrics());
    MetricService.getInstance().addMetricSet(new ProcessMetrics());
    MetricService.getInstance().addMetricSet(new DiskMetrics(IoTDBConstant.CN_ROLE));
    MetricService.getInstance().addMetricSet(new NetMetrics(IoTDBConstant.CN_ROLE));
    MetricService.getInstance().addMetricSet(ClientManagerMetrics.getInstance());
    MetricService.getInstance().addMetricSet(ThreadPoolMetrics.getInstance());
    initCpuMetrics();
    initSystemMetrics();
  }

  private void initSystemMetrics() {
    ArrayList<String> diskDirs = new ArrayList<>();
    diskDirs.add(CONF.getSystemDir());
    diskDirs.add(CONF.getConsensusDir());
    MetricService.getInstance().addMetricSet(new SystemMetrics(diskDirs));
  }

  private void initCpuMetrics() {
    List<String> threadModules = new ArrayList<>();
    Arrays.stream(ThreadModule.values()).forEach(x -> threadModules.add(x.toString()));
    List<String> pools = new ArrayList<>();
    Arrays.stream(ThreadName.values()).forEach(x -> pools.add(x.name()));
    MetricService.getInstance()
        .addMetricSet(
            new CpuUsageMetrics(
                threadModules,
                pools,
                x -> ThreadName.getModuleTheThreadBelongs(x).toString(),
                x -> ThreadName.getThreadPoolTheThreadBelongs(x).name()));
  }

  private void initConfigManager() {
    try {
      configManager = new ConfigManager();
    } catch (IOException e) {
      LOGGER.error("Can't start ConfigNode consensus group!", e);
      stop();
    }
    // Add some Metrics for configManager
    configManager.addMetrics();
    LOGGER.info("Successfully initialize ConfigManager.");
  }

  /**
   * Register Non-seed ConfigNode when first startup.
   *
   * @throws StartupException if register failed.
   * @throws IOException if consensus manager init failed.
   */
  private void sendRegisterConfigNodeRequest() throws StartupException, IOException {
    TConfigNodeRegisterReq req =
        new TConfigNodeRegisterReq(
            configManager.getClusterParameters(),
            generateConfigNodeLocation(INIT_NON_SEED_CONFIG_NODE_ID));

    req.setBuildInfo(IoTDBConstant.BUILD_INFO);

    TEndPoint targetConfigNode = CONF.getTargetConfigNode();
    if (targetConfigNode == null) {
      LOGGER.error(
          "Please set the cn_target_config_node_list parameter in iotdb-confignode.properties file.");
      throw new StartupException("The targetConfigNode setting in conf is empty");
    }

    for (int retry = 0; retry < STARTUP_RETRY_NUM; retry++) {
      TSStatus status;
      TConfigNodeRegisterResp resp = null;
      Object obj =
          SyncConfigNodeClientPool.getInstance()
              .sendSyncRequestToConfigNodeWithRetry(
                  targetConfigNode, req, ConfigNodeRequestType.REGISTER_CONFIG_NODE);

      if (obj instanceof TConfigNodeRegisterResp) {
        resp = (TConfigNodeRegisterResp) obj;
        status = resp.getStatus();
      } else {
        status = (TSStatus) obj;
      }

      if (status.getCode() == TSStatusCode.SUCCESS_STATUS.getStatusCode()) {
        if (resp == null) {
          LOGGER.error("The result of register ConfigNode is empty!");
          throw new StartupException("The result of register ConfigNode is empty!");
        }
        /* Always set ConfigNodeId before initConsensusManager */
        CONF.setConfigNodeId(resp.getConfigNodeId());
        configManager.initConsensusManager();
        return;
      } else if (status.getCode() == TSStatusCode.REDIRECTION_RECOMMEND.getStatusCode()) {
        targetConfigNode = status.getRedirectNode();
        LOGGER.info("ConfigNode need redirect to  {}.", targetConfigNode);
      } else {
        throw new StartupException(status.getMessage());
      }
      startUpSleep("Register ConfigNode failed!");
    }

    LOGGER.error(
        "The current ConfigNode can't send register request to the ConfigNode-leader after all retries!");
    stop();
  }

  private void sendRestartConfigNodeRequest() throws StartupException {

    TConfigNodeRestartReq req =
        new TConfigNodeRestartReq(
            CONF.getClusterName(), generateConfigNodeLocation(CONF.getConfigNodeId()));

    TEndPoint targetConfigNode = CONF.getTargetConfigNode();
    if (targetConfigNode == null) {
      LOGGER.error(
          "Please set the cn_target_config_node_list parameter in iotdb-confignode.properties file.");
      throw new StartupException("The targetConfigNode setting in conf is empty");
    }

    for (int retry = 0; retry < STARTUP_RETRY_NUM; retry++) {
      TSStatus status =
          (TSStatus)
              SyncConfigNodeClientPool.getInstance()
                  .sendSyncRequestToConfigNodeWithRetry(
                      targetConfigNode, req, ConfigNodeRequestType.RESTART_CONFIG_NODE);

      if (status.getCode() == TSStatusCode.SUCCESS_STATUS.getStatusCode()) {
        LOGGER.info("Registration request of current ConfigNode is accepted.");
        return;
      } else if (status.getCode() == TSStatusCode.REDIRECTION_RECOMMEND.getStatusCode()) {
        targetConfigNode = status.getRedirectNode();
        LOGGER.info("ConfigNode need redirect to  {}.", targetConfigNode);
      } else {
        throw new StartupException(status.getMessage());
      }
      startUpSleep("Register ConfigNode failed! ");
    }
  }

  private TConfigNodeLocation generateConfigNodeLocation(int configNodeId) {
    return new TConfigNodeLocation(
        configNodeId,
        new TEndPoint(CONF.getInternalAddress(), CONF.getInternalPort()),
        new TEndPoint(CONF.getInternalAddress(), CONF.getConsensusPort()));
  }

  private void startUpSleep(String errorMessage) throws StartupException {
    try {
      TimeUnit.MILLISECONDS.sleep(STARTUP_RETRY_INTERVAL_IN_MS);
    } catch (InterruptedException e) {
      Thread.currentThread().interrupt();
      throw new StartupException(errorMessage);
    }
  }

  private void setUpRPCService() throws StartupException {
    // Setup RPCService
    ConfigNodeRPCService configNodeRPCService = new ConfigNodeRPCService();
    ConfigNodeRPCServiceProcessor configNodeRPCServiceProcessor =
        new ConfigNodeRPCServiceProcessor(configManager);
    configNodeRPCService.initSyncedServiceImpl(configNodeRPCServiceProcessor);
    registerManager.register(configNodeRPCService);
  }

  /**
   * Deactivating ConfigNode internal services.
   *
   * @throws IOException if close configManager failed.
   */
  public void deactivate() throws IOException {
    LOGGER.info("Deactivating {}...", ConfigNodeConstant.GLOBAL_NAME);
    registerManager.deregisterAll();
    JMXService.deregisterMBean(mbeanName);
    if (configManager != null) {
      configManager.close();
    }
    LOGGER.info("{} is deactivated.", ConfigNodeConstant.GLOBAL_NAME);
  }

  public void stop() {
    try {
      deactivate();
    } catch (IOException e) {
      LOGGER.error("Meet error when deactivate ConfigNode", e);
    }
    System.exit(-1);
  }

  public ConfigManager getConfigManager() {
    return configManager;
  }

  @TestOnly
  public void setConfigManager(ConfigManager configManager) {
    this.configManager = configManager;
  }

  private static class ConfigNodeHolder {

    private static final ConfigNode INSTANCE = new ConfigNode();

    private ConfigNodeHolder() {
      // Empty constructor
    }
  }

  public static ConfigNode getInstance() {
    return ConfigNodeHolder.INSTANCE;
  }
}

1	/*
2	* Licensed to the Apache Software Foundation (ASF) under one
3	* or more contributor license agreements. See the NOTICE file
4	* distributed with this work for additional information
5	* regarding copyright ownership. The ASF licenses this file
6	* to you under the Apache License, Version 2.0 (the
7	* "License"); you may not use this file except in compliance
8	* with the License. You may obtain a copy of the License at
9	*
10	* http://www.apache.org/licenses/LICENSE-2.0
11	*
12	* Unless required by applicable law or agreed to in writing,
13	* software distributed under the License is distributed on an
14	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15	* KIND, either express or implied. See the License for the
16	* specific language governing permissions and limitations
17	* under the License.
18	*/
19
20	package org.apache.iotdb.confignode.service;
21
22	import org.apache.iotdb.common.rpc.thrift.TConfigNodeLocation;
23	import org.apache.iotdb.common.rpc.thrift.TEndPoint;
24	import org.apache.iotdb.common.rpc.thrift.TSStatus;
25	import org.apache.iotdb.commons.client.ClientManagerMetrics;
26	import org.apache.iotdb.commons.concurrent.ThreadModule;
27	import org.apache.iotdb.commons.concurrent.ThreadName;
28	import org.apache.iotdb.commons.concurrent.ThreadPoolMetrics;
29	import org.apache.iotdb.commons.conf.IoTDBConstant;
30	import org.apache.iotdb.commons.exception.StartupException;
31	import org.apache.iotdb.commons.service.JMXService;
32	import org.apache.iotdb.commons.service.RegisterManager;
33	import org.apache.iotdb.commons.service.metric.MetricService;
34	import org.apache.iotdb.commons.utils.TestOnly;
35	import org.apache.iotdb.confignode.client.ConfigNodeRequestType;
36	import org.apache.iotdb.confignode.client.sync.SyncConfigNodeClientPool;
37	import org.apache.iotdb.confignode.conf.ConfigNodeConfig;
38	import org.apache.iotdb.confignode.conf.ConfigNodeConstant;
39	import org.apache.iotdb.confignode.conf.ConfigNodeDescriptor;
40	import org.apache.iotdb.confignode.conf.SystemPropertiesUtils;
41	import org.apache.iotdb.confignode.manager.ConfigManager;
42	import org.apache.iotdb.confignode.rpc.thrift.TConfigNodeRegisterReq;
43	import org.apache.iotdb.confignode.rpc.thrift.TConfigNodeRegisterResp;
44	import org.apache.iotdb.confignode.rpc.thrift.TConfigNodeRestartReq;
45	import org.apache.iotdb.confignode.service.thrift.ConfigNodeRPCService;
46	import org.apache.iotdb.confignode.service.thrift.ConfigNodeRPCServiceProcessor;
47	import org.apache.iotdb.db.service.metrics.ProcessMetrics;
48	import org.apache.iotdb.metrics.config.MetricConfigDescriptor;
49	import org.apache.iotdb.metrics.metricsets.UpTimeMetrics;
50	import org.apache.iotdb.metrics.metricsets.cpu.CpuUsageMetrics;
51	import org.apache.iotdb.metrics.metricsets.disk.DiskMetrics;
52	import org.apache.iotdb.metrics.metricsets.jvm.JvmMetrics;
53	import org.apache.iotdb.metrics.metricsets.logback.LogbackMetrics;
54	import org.apache.iotdb.metrics.metricsets.net.NetMetrics;
55	import org.apache.iotdb.metrics.metricsets.system.SystemMetrics;
56	import org.apache.iotdb.rpc.TSStatusCode;
57
58	import org.slf4j.Logger;
59	import org.slf4j.LoggerFactory;
60
61	import java.io.File;
62	import java.io.IOException;
63	import java.nio.charset.Charset;
64	import java.util.ArrayList;
65	import java.util.Arrays;
66	import java.util.List;
67	import java.util.concurrent.TimeUnit;
68
69	public class ConfigNode implements ConfigNodeMBean {
70
71	private static final Logger LOGGER = LoggerFactory.getLogger(ConfigNode.class);	1✔
72
73	private static final ConfigNodeConfig CONF = ConfigNodeDescriptor.getInstance().getConf();	1✔
74
75	private static final int STARTUP_RETRY_NUM = 10;
76	private static final int SCHEDULE_WAITING_RETRY_NUM = 20;
77	private static final long STARTUP_RETRY_INTERVAL_IN_MS = TimeUnit.SECONDS.toMillis(3);	1✔
78
79	private static final int SEED_CONFIG_NODE_ID = 0;
80
81	private static final int INIT_NON_SEED_CONFIG_NODE_ID = -1;
82
83	private static final String CONFIGURATION = "IoTDB configuration: {}";
84
85	private final String mbeanName =	1✔
86	String.format(	1✔
87	"%s:%s=%s",
88	ConfigNodeConstant.CONFIGNODE_PACKAGE, ConfigNodeConstant.JMX_TYPE, "ConfigNode");
89	private final RegisterManager registerManager = new RegisterManager();	1✔
90
91	private ConfigManager configManager;
92
93	private ConfigNode() {	1✔
94	// We do not init anything here, so that we can re-initialize the instance in IT.
95	}	1✔
96
97	public static void main(String[] args) {
98	LOGGER.info(	×
99	"{} environment variables: {}",
100	ConfigNodeConstant.GLOBAL_NAME,
101	ConfigNodeConfig.getEnvironmentVariables());	×
102	LOGGER.info(	×
103	"{} default charset is: {}",
104	ConfigNodeConstant.GLOBAL_NAME,
105	Charset.defaultCharset().displayName());	×
106	new ConfigNodeCommandLine().doMain(args);	×
107	}	×
108
109	public void active() {
110	LOGGER.info("Activating {}...", ConfigNodeConstant.GLOBAL_NAME);	×
111
112	try {
113	processPid();	×
114	// Add shutdown hook
115	Runtime.getRuntime().addShutdownHook(new ConfigNodeShutdownHook());	×
116	// Set up internal services
117	setUpInternalServices();	×
118	// Init ConfigManager
119	initConfigManager();	×
120
121	/* Restart */
122	if (SystemPropertiesUtils.isRestarted()) {	×
123	LOGGER.info("{} is in restarting process...", ConfigNodeConstant.GLOBAL_NAME);	×
124
125	int configNodeId;
126	if (!SystemPropertiesUtils.isSeedConfigNode()) {	×
127	// The non-seed-ConfigNodes should send restart request and be checked (ip and port) by
128	// leader before initConsensusManager
129	sendRestartConfigNodeRequest();	×
130	configNodeId = CONF.getConfigNodeId();	×
131	} else {
132	configNodeId = SEED_CONFIG_NODE_ID;	×
133	}
134	configManager.initConsensusManager();	×
135
136	setUpMetricService();	×
137	// Notice: We always set up Seed-ConfigNode's RPC service lastly to ensure
138	// that the external service is not provided until ConfigNode is fully available
139	setUpRPCService();	×
140	LOGGER.info(CONFIGURATION, CONF.getConfigMessage());	×
141	LOGGER.info(	×
142	"{} has successfully restarted and joined the cluster: {}.",
143	ConfigNodeConstant.GLOBAL_NAME,
144	CONF.getClusterName());	×
145
146	// Update item during restart
147	// This will always be executed until the consensus write succeeds
148	while (true) {
149	TSStatus status =	×
150	configManager
151	.getNodeManager()	×
152	.updateConfigNodeIfNecessary(configNodeId, IoTDBConstant.BUILD_INFO);	×
153	if (status.getCode() == TSStatusCode.SUCCESS_STATUS.getStatusCode()) {	×
154	break;	×
155	} else {
156	startUpSleep("restart ConfigNode failed! ");	×
157	}
158	}	×
159	return;	×
160	}
161
162	/* Initial startup of Seed-ConfigNode */
163	if (ConfigNodeDescriptor.getInstance().isSeedConfigNode()) {	×
164	LOGGER.info(	×
165	"The current {} is now starting as the Seed-ConfigNode.",
166	ConfigNodeConstant.GLOBAL_NAME);
167
168	/* Always set ClusterId and ConfigNodeId before initConsensusManager */
169	CONF.setConfigNodeId(SEED_CONFIG_NODE_ID);	×
170	configManager.initConsensusManager();	×
171
172	// Persistence system parameters after the consensusGroup is built,
173	// or the consensusGroup will not be initialized successfully otherwise.
174	SystemPropertiesUtils.storeSystemParameters();	×
175
176	// Seed-ConfigNode should apply itself when first start
177	configManager	×
178	.getNodeManager()	×
179	.applyConfigNode(	×
180	generateConfigNodeLocation(SEED_CONFIG_NODE_ID), IoTDBConstant.BUILD_INFO);	×
181	setUpMetricService();	×
182	// Notice: We always set up Seed-ConfigNode's RPC service lastly to ensure
183	// that the external service is not provided until Seed-ConfigNode is fully initialized
184	setUpRPCService();	×
185	// The initial startup of Seed-ConfigNode finished
186	LOGGER.info(CONFIGURATION, CONF.getConfigMessage());	×
187	LOGGER.info(	×
188	"{} has successfully started and joined the cluster: {}.",
189	ConfigNodeConstant.GLOBAL_NAME,
190	CONF.getClusterName());	×
191	return;	×
192	}
193
194	/* Initial startup of Non-Seed-ConfigNode */
195	// We set up Non-Seed ConfigNode's RPC service before sending the register request
196	// in order to facilitate the scheduling of capacity expansion process in ConfigNode-leader
197	setUpRPCService();	×
198	sendRegisterConfigNodeRequest();	×
199	// The initial startup of Non-Seed-ConfigNode is not yet finished,
200	// we should wait for leader's scheduling
201	LOGGER.info(CONFIGURATION, CONF.getConfigMessage());	×
202	LOGGER.info(	×
203	"{} {} has registered successfully. Waiting for the leader's scheduling to join the cluster: {}.",
204	ConfigNodeConstant.GLOBAL_NAME,
205	CONF.getConfigNodeId(),	×
206	CONF.getClusterName());	×
207	setUpMetricService();	×
208
209	boolean isJoinedCluster = false;	×
210	for (int retry = 0; retry < SCHEDULE_WAITING_RETRY_NUM; retry++) {	×
211	if (!configManager	×
212	.getConsensusManager()	×
213	.getConsensusImpl()	×
214	.getAllConsensusGroupIds()	×
215	.isEmpty()) {	×
216	isJoinedCluster = true;	×
217	break;	×
218	}
219	startUpSleep("Waiting leader's scheduling is interrupted.");	×
220	}
221
222	if (!isJoinedCluster) {	×
223	LOGGER.error(	×
224	"The current ConfigNode can't joined the cluster because leader's scheduling failed. The possible cause is that the ip:port configuration is incorrect.");
225	stop();	×
226	}
227	} catch (StartupException \| IOException e) {	×
228	LOGGER.error("Meet error while starting up.", e);	×
229	stop();	×
230	}	×
231	}	×
232
233	void processPid() {
234	String pidFile = System.getProperty(ConfigNodeConstant.IOTDB_PIDFILE);	×
235	if (pidFile != null) {	×
236	new File(pidFile).deleteOnExit();	×
237	}
238	}	×
239
240	private void setUpInternalServices() throws StartupException {
241	// Setup JMXService
242	registerManager.register(new JMXService());	×
243	JMXService.registerMBean(this, mbeanName);	×
244
245	LOGGER.info("Successfully setup internal services.");	×
246	}	×
247
248	private void setUpMetricService() throws StartupException {
249	MetricConfigDescriptor.getInstance().getMetricConfig().setNodeId(CONF.getConfigNodeId());	×
250	registerManager.register(MetricService.getInstance());	×
251	// Bind predefined metric sets
252	MetricService.getInstance().addMetricSet(new UpTimeMetrics());	×
253	MetricService.getInstance().addMetricSet(new JvmMetrics());	×
254	MetricService.getInstance().addMetricSet(new LogbackMetrics());	×
255	MetricService.getInstance().addMetricSet(new ProcessMetrics());	×
256	MetricService.getInstance().addMetricSet(new DiskMetrics(IoTDBConstant.CN_ROLE));	×
257	MetricService.getInstance().addMetricSet(new NetMetrics(IoTDBConstant.CN_ROLE));	×
258	MetricService.getInstance().addMetricSet(ClientManagerMetrics.getInstance());	×
259	MetricService.getInstance().addMetricSet(ThreadPoolMetrics.getInstance());	×
260	initCpuMetrics();	×
261	initSystemMetrics();	×
262	}	×
263
264	private void initSystemMetrics() {
265	ArrayList<String> diskDirs = new ArrayList<>();	×
266	diskDirs.add(CONF.getSystemDir());	×
267	diskDirs.add(CONF.getConsensusDir());	×
268	MetricService.getInstance().addMetricSet(new SystemMetrics(diskDirs));	×
269	}	×
270
271	private void initCpuMetrics() {
272	List<String> threadModules = new ArrayList<>();	×
273	Arrays.stream(ThreadModule.values()).forEach(x -> threadModules.add(x.toString()));	×
274	List<String> pools = new ArrayList<>();	×
275	Arrays.stream(ThreadName.values()).forEach(x -> pools.add(x.name()));	×
276	MetricService.getInstance()	×
277	.addMetricSet(	×
278	new CpuUsageMetrics(
279	threadModules,
280	pools,
281	x -> ThreadName.getModuleTheThreadBelongs(x).toString(),	×
282	x -> ThreadName.getThreadPoolTheThreadBelongs(x).name()));	×
283	}	×
284
285	private void initConfigManager() {
286	try {
287	configManager = new ConfigManager();	×
288	} catch (IOException e) {	×
289	LOGGER.error("Can't start ConfigNode consensus group!", e);	×
290	stop();	×
291	}	×
292	// Add some Metrics for configManager
293	configManager.addMetrics();	×
294	LOGGER.info("Successfully initialize ConfigManager.");	×
295	}	×
296
297	/**
298	* Register Non-seed ConfigNode when first startup.
299	*
300	* @throws StartupException if register failed.
301	* @throws IOException if consensus manager init failed.
302	*/
303	private void sendRegisterConfigNodeRequest() throws StartupException, IOException {
304	TConfigNodeRegisterReq req =	×
305	new TConfigNodeRegisterReq(
306	configManager.getClusterParameters(),	×
307	generateConfigNodeLocation(INIT_NON_SEED_CONFIG_NODE_ID));	×
308
309	req.setBuildInfo(IoTDBConstant.BUILD_INFO);	×
310
311	TEndPoint targetConfigNode = CONF.getTargetConfigNode();	×
312	if (targetConfigNode == null) {	×
313	LOGGER.error(	×
314	"Please set the cn_target_config_node_list parameter in iotdb-confignode.properties file.");
315	throw new StartupException("The targetConfigNode setting in conf is empty");	×
316	}
317
318	for (int retry = 0; retry < STARTUP_RETRY_NUM; retry++) {	×
319	TSStatus status;
320	TConfigNodeRegisterResp resp = null;	×
321	Object obj =
322	SyncConfigNodeClientPool.getInstance()	×
323	.sendSyncRequestToConfigNodeWithRetry(	×
324	targetConfigNode, req, ConfigNodeRequestType.REGISTER_CONFIG_NODE);
325
326	if (obj instanceof TConfigNodeRegisterResp) {	×
327	resp = (TConfigNodeRegisterResp) obj;	×
328	status = resp.getStatus();	×
329	} else {
330	status = (TSStatus) obj;	×
331	}
332
333	if (status.getCode() == TSStatusCode.SUCCESS_STATUS.getStatusCode()) {	×
334	if (resp == null) {	×
335	LOGGER.error("The result of register ConfigNode is empty!");	×
336	throw new StartupException("The result of register ConfigNode is empty!");	×
337	}
338	/* Always set ConfigNodeId before initConsensusManager */
339	CONF.setConfigNodeId(resp.getConfigNodeId());	×
340	configManager.initConsensusManager();	×
341	return;	×
342	} else if (status.getCode() == TSStatusCode.REDIRECTION_RECOMMEND.getStatusCode()) {	×
343	targetConfigNode = status.getRedirectNode();	×
344	LOGGER.info("ConfigNode need redirect to {}.", targetConfigNode);	×
345	} else {
346	throw new StartupException(status.getMessage());	×
347	}
348	startUpSleep("Register ConfigNode failed!");	×
349	}
350
351	LOGGER.error(	×
352	"The current ConfigNode can't send register request to the ConfigNode-leader after all retries!");
353	stop();	×
354	}	×
355
356	private void sendRestartConfigNodeRequest() throws StartupException {
357
358	TConfigNodeRestartReq req =	×
359	new TConfigNodeRestartReq(
360	CONF.getClusterName(), generateConfigNodeLocation(CONF.getConfigNodeId()));	×
361
362	TEndPoint targetConfigNode = CONF.getTargetConfigNode();	×
363	if (targetConfigNode == null) {	×
364	LOGGER.error(	×
365	"Please set the cn_target_config_node_list parameter in iotdb-confignode.properties file.");
366	throw new StartupException("The targetConfigNode setting in conf is empty");	×
367	}
368
369	for (int retry = 0; retry < STARTUP_RETRY_NUM; retry++) {	×
370	TSStatus status =
371	(TSStatus)
372	SyncConfigNodeClientPool.getInstance()	×
373	.sendSyncRequestToConfigNodeWithRetry(	×
374	targetConfigNode, req, ConfigNodeRequestType.RESTART_CONFIG_NODE);
375
376	if (status.getCode() == TSStatusCode.SUCCESS_STATUS.getStatusCode()) {	×
377	LOGGER.info("Registration request of current ConfigNode is accepted.");	×
378	return;	×
379	} else if (status.getCode() == TSStatusCode.REDIRECTION_RECOMMEND.getStatusCode()) {	×
380	targetConfigNode = status.getRedirectNode();	×
381	LOGGER.info("ConfigNode need redirect to {}.", targetConfigNode);	×
382	} else {
383	throw new StartupException(status.getMessage());	×
384	}
385	startUpSleep("Register ConfigNode failed! ");	×
386	}
387	}	×
388
389	private TConfigNodeLocation generateConfigNodeLocation(int configNodeId) {
390	return new TConfigNodeLocation(	×
391	configNodeId,
392	new TEndPoint(CONF.getInternalAddress(), CONF.getInternalPort()),	×
393	new TEndPoint(CONF.getInternalAddress(), CONF.getConsensusPort()));	×
394	}
395
396	private void startUpSleep(String errorMessage) throws StartupException {
397	try {
398	TimeUnit.MILLISECONDS.sleep(STARTUP_RETRY_INTERVAL_IN_MS);	×
399	} catch (InterruptedException e) {	×
400	Thread.currentThread().interrupt();	×
401	throw new StartupException(errorMessage);	×
402	}	×
403	}	×
404
405	private void setUpRPCService() throws StartupException {
406	// Setup RPCService
407	ConfigNodeRPCService configNodeRPCService = new ConfigNodeRPCService();	×
408	ConfigNodeRPCServiceProcessor configNodeRPCServiceProcessor =	×
409	new ConfigNodeRPCServiceProcessor(configManager);
410	configNodeRPCService.initSyncedServiceImpl(configNodeRPCServiceProcessor);	×
411	registerManager.register(configNodeRPCService);	×
412	}	×
413
414	/**
415	* Deactivating ConfigNode internal services.
416	*
417	* @throws IOException if close configManager failed.
418	*/
419	public void deactivate() throws IOException {
420	LOGGER.info("Deactivating {}...", ConfigNodeConstant.GLOBAL_NAME);	×
421	registerManager.deregisterAll();	×
422	JMXService.deregisterMBean(mbeanName);	×
423	if (configManager != null) {	×
424	configManager.close();	×
425	}
426	LOGGER.info("{} is deactivated.", ConfigNodeConstant.GLOBAL_NAME);	×
427	}	×
428
429	public void stop() {
430	try {
431	deactivate();	×
432	} catch (IOException e) {	×
433	LOGGER.error("Meet error when deactivate ConfigNode", e);	×
434	}	×
435	System.exit(-1);	×
436	}	×
437
438	public ConfigManager getConfigManager() {
439	return configManager;	1✔
440	}
441
442	@TestOnly
443	public void setConfigManager(ConfigManager configManager) {
444	this.configManager = configManager;	1✔
445	}	1✔
446
447	private static class ConfigNodeHolder {
448
449	private static final ConfigNode INSTANCE = new ConfigNode();	1✔
450
451	private ConfigNodeHolder() {
452	// Empty constructor
453	}
454	}
455
456	public static ConfigNode getInstance() {
457	return ConfigNodeHolder.INSTANCE;	1✔
458	}
459	}

apache / iotdb / #9686

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