Elasticsearch7.6 集群部署、集群認證及使用、數據備份

2020 年 9 月 1 日
筆記
【ElasticSearch】

window 環境部署集群

注意：window下載解壓elasticsearch一定需要解壓多次。例如搭建的3節點的，需要解壓3次，防止生成 cluster UUID 一致導致只能看到一個節點

1、elasticsearch.yml配置：

node.name區別：elastic_node1、 elastic_node2、 elastic_node3

cluster.name: elastic_cluster

node.name: elastic_node1

node.master: true
node.data: true

#path.data: /usr/local/elastic_node1/data
#path.logs: /usr/local/elastic_node1/logs

bootstrap.memory_lock: true

network.host: 0.0.0.0
network.tcp.no_delay: true
network.tcp.keep_alive: true
network.tcp.reuse_address: true
network.tcp.send_buffer_size: 256mb
network.tcp.receive_buffer_size: 256mb

transport.tcp.port: 9301
transport.tcp.compress: true

http.max_content_length: 200mb
http.cors.enabled: true
http.cors.allow-origin: "*"
http.port: 9201

discovery.seed_hosts: ["127.0.0.1:9301","127.0.0.1:9302","127.0.0.1:9303"]
cluster.initial_master_nodes: ["127.0.0.1:9301","127.0.0.1:9302","127.0.0.1:9303"]
cluster.fault_detection.leader_check.interval: 15s
discovery.cluster_formation_warning_timeout: 30s
cluster.join.timeout: 30s
cluster.publish.timeout: 90s
cluster.routing.allocation.cluster_concurrent_rebalance: 16
cluster.routing.allocation.node_concurrent_recoveries: 16
cluster.routing.allocation.node_initial_primaries_recoveries: 16

2、依次運行生成集群

瀏覽器打開：//127.0.0.1:9201/_cat/nodes?v

ip        heap.percent ram.percent cpu load_1m load_5m load_15m node.role master name
127.0.0.1           19          64  37                          dilm      -      elastic_node3
127.0.0.1           13          64  47                          dilm      -      elastic_node1
127.0.0.1           22          64  50                          dilm      *      elastic_node2

3、生成證書

es集群通過證書來安全的組成集群

運行
```
bin/elasticsearch-certutil cert
```

注意：密碼後面需要單獨設置，這裡是集群安全認證，建議密碼不設置，成功後生成的證書默認在es的config目錄裡面 elastic-certificates.p12；分別copy一份到其他節點的config裡面（默認目錄）

在elasticsearch.yml配置添加

xpack.security.enabled: true
xpack.license.self_generated.type: basic
xpack.security.transport.ssl.enabled: true
xpack.security.transport.ssl.verification_mode: certificate
xpack.security.transport.ssl.keystore.path: elastic-certificates.p12
xpack.security.transport.ssl.truststore.path: elastic-certificates.p12

4、給認證的集群創建用戶密碼

bin/elasticsearch-setup-passwords interactive

elastic 帳號：擁有 superuser 角色，是內置的超級用戶。
kibana 帳號：擁有 kibana_system 角色，用戶 kibana 用來連接 elasticsearch 並與之通訊。Kibana 伺服器以該用戶身份提交請求以訪問集群監視 API 和 .kibana 索引。不能訪問 index。
logstash_system 帳號：擁有 logstash_system 角色。用戶 Logstash 在 Elasticsearch 中存儲監控資訊時使用。
beats_system帳號：擁有 beats_system 角色。用戶 Beats 在 Elasticsearch 中存儲監控資訊時使用。

5、配置kibana認證

elasticsearch.username: "kibana"
elasticsearch.password: "123456"

完整的elasticsearch.yml配置，注意不同節點node.name區別

cluster.name: elastic_cluster
node.name: elastic_node1
node.master: true
node.data: true

#path.data: /usr/local/elastic_node1/data
#path.logs: /usr/local/elastic_node1/logs

bootstrap.memory_lock: true

network.host: 0.0.0.0
network.tcp.no_delay: true
network.tcp.keep_alive: true
network.tcp.reuse_address: true
network.tcp.send_buffer_size: 256mb
network.tcp.receive_buffer_size: 256mb

transport.tcp.port: 9302
transport.tcp.compress: true

http.max_content_length: 200mb
http.cors.enabled: true
http.cors.allow-origin: "*"
http.port: 9202

discovery.seed_hosts: ["127.0.0.1:9301","127.0.0.1:9302","127.0.0.1:9303"]
cluster.initial_master_nodes: ["127.0.0.1:9301","127.0.0.1:9302","127.0.0.1:9303"]
cluster.fault_detection.leader_check.interval: 15s
discovery.cluster_formation_warning_timeout: 30s
cluster.join.timeout: 30s
cluster.publish.timeout: 90s
cluster.routing.allocation.cluster_concurrent_rebalance: 16
cluster.routing.allocation.node_concurrent_recoveries: 16
cluster.routing.allocation.node_initial_primaries_recoveries: 16

xpack.security.enabled: true
xpack.license.self_generated.type: basic
xpack.security.transport.ssl.enabled: true
xpack.security.transport.ssl.verification_mode: certificate
xpack.security.transport.ssl.keystore.path: elastic-certificates.p12
xpack.security.transport.ssl.truststore.path: elastic-certificates.p12

centos(docker-compose) 環境部署集群

1、docker-compose.yml配置

version: '2.2'
services:
  es01:
    image: elasticsearch:7.6.0
    container_name: es01
    environment:
      - node.name=es01
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=192.168.43.128:9300
      - cluster.initial_master_nodes=es01,192.168.43.128:9300
      - cluster.fault_detection.leader_check.interval=15s
      - bootstrap.memory_lock=true
      - http.cors.enabled=true
      - http.cors.allow-origin=*
      - network.host=0.0.0.0
      - network.publish_host=192.168.43.129
      - xpack.security.enabled=true
      - xpack.security.transport.ssl.enabled=true
      - "ES_JAVA_OPTS=-Xms256m -Xmx256m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - ./mnt/data:/usr/share/elasticsearch/data
      - ./mnt/logs:/usr/share/elasticsearch/logs
    ports:
      - 9200:9200
      - 9300:9300
    networks:
      - elastic
  cerebro:
    image: lmenezes/cerebro:0.8.3
    container_name: cerebro
    ports:
      - "9000:9000"
    command:
      - -Dhosts.0.host=http://es01:9200
    networks:
      - elastic
volumes:
  mnt:
    driver: local

networks:
  elastic:
    driver: bridge

許可權問題執行 chmod -R 777 mnt/*

2、生成證書文件創建密碼

進入容器 docker exec -it 5144d3b1dd56 /bin/bash
生成證書 bin/elasticsearch-certutil cert
複製證書並cp到其他節點 docker cp 09f57b6067e0:/usr/share/elasticsearch/elastic-certificates.p12 .

3、修改配置&&動態添加測試

version: '2.2'
services:
  es01:
    image: elasticsearch:7.6.0
    container_name: es01
    environment:
      - node.name=es01
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=192.168.43.128:9300
      - cluster.initial_master_nodes=es01,192.168.43.128:9300
      - cluster.fault_detection.leader_check.interval=15s
      - bootstrap.memory_lock=true
      - http.cors.enabled=true
      - http.cors.allow-origin=*
      - network.host=0.0.0.0
      - network.publish_host=192.168.43.129
      - xpack.security.enabled=true
      - xpack.security.transport.ssl.enabled=true
      - xpack.license.self_generated.type=basic
      - xpack.security.transport.ssl.verification_mode=certificate
      - xpack.security.transport.ssl.keystore.path=elastic-certificates.p12
      - xpack.security.transport.ssl.truststore.path=elastic-certificates.p12
      - "ES_JAVA_OPTS=-Xms256m -Xmx256m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - ./mnt/data:/usr/share/elasticsearch/data
      - ./mnt/logs:/usr/share/elasticsearch/logs
      - ./mnt/elastic-certificates.p12:/usr/share/elasticsearch/config/elastic-certificates.p12
    ports:
      - 9200:9200
      - 9300:9300
    networks:
      - elastic
  cerebro:
    image: lmenezes/cerebro:0.8.3
    container_name: cerebro
    ports:
      - "9000:9000"
    command:
      - -Dhosts.0.host=http://es01:9200
    networks:
      - elastic
volumes:
  mnt:
    driver: local

networks:
  elastic:
    driver: bridge

注意證書的位置，給許可權 chmod -R 777 mnt/*

設置密碼(建議進入主節點容器中) bin/elasticsearch-setup-passwords interactive -u ‘//es01:9200′
通用配置與window類似

springboot使用測試

1、引入pom

  <dependency>
            <groupId>org.elasticsearch</groupId>
            <artifactId>elasticsearch</artifactId>
            <version>7.6.0</version>
        </dependency>

        <dependency>
            <groupId>org.elasticsearch.client</groupId>
            <artifactId>elasticsearch-rest-client</artifactId>
            <version>7.6.0</version>
        </dependency>

        <dependency>
            <groupId>org.elasticsearch.client</groupId>
            <artifactId>elasticsearch-rest-high-level-client</artifactId>
            <version>7.6.0</version>
        </dependency>

2、程式碼

EsConfiguration.class

/**
 * @author hdy
 */
@Configuration
public class EsConfiguration {
    /**
     * 集群地址
     */
    private static String hosts = "192.168.43.128";
    private static String hosts1 = "192.168.43.129";
    private static String hosts2 = "192.168.43.130";
    /**
     * 使用的埠號
     */
    private static int port = 9200;
    /**
     * // 使用的協議
     */
    private static String schema = "http";
    private static ArrayList<HttpHost> hostList = null;
    /**
     * 連接超時時間
     */
    private static int connectTimeOut = 1000;
    /**
     * 連接超時時間
     */
    private static int socketTimeOut = 30000;
    /**
     * 獲取連接的超時時間
     */
    private static int connectionRequestTimeOut = 500;
    /**
     * 最大連接數
     */
    private static int maxConnectNum = 100;
    /**
     * 最大路由連接數
     */
    private static int maxConnectPerRoute = 100;

    private RestClientBuilder builder;

    private final CredentialsProvider credentialsProvider = new BasicCredentialsProvider();

    static {
        hostList = new ArrayList<>();
        hostList.add(new HttpHost(hosts, port, schema));
        hostList.add(new HttpHost(hosts1, port, schema));
        hostList.add(new HttpHost(hosts2, port, schema));
    }

    @Bean("restHighLevelClient")
    public RestHighLevelClient client() {
        builder = RestClient.builder(hostList.toArray(new HttpHost[0]));
        setConnectTimeOutConfig();
        setMutiConnectConfig();
        return new RestHighLevelClient(builder);
    }

    /**
     * 非同步httpclient的連接延時配置
     */
    private void setConnectTimeOutConfig() {
        builder.setRequestConfigCallback(requestConfigBuilder -> {
            requestConfigBuilder.setConnectTimeout(connectTimeOut);
            requestConfigBuilder.setSocketTimeout(socketTimeOut);
            requestConfigBuilder.setConnectionRequestTimeout(connectionRequestTimeOut);
            return requestConfigBuilder;
        });
    }

    /**
     * 非同步httpclient的連接數配置
     */
    private void setMutiConnectConfig() {
        credentialsProvider.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials("elastic", "123456"));
        builder.setHttpClientConfigCallback(httpClientBuilder -> {
            httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
            httpClientBuilder.setMaxConnTotal(maxConnectNum);
            httpClientBuilder.setMaxConnPerRoute(maxConnectPerRoute);
            return httpClientBuilder;
        });
    }

}

View Code

ElasticsearchApplicationTests.class

@Log4j2
@RunWith(SpringRunner.class)
@SpringBootTest
public class ElasticsearchApplicationTests {

    @Autowired
    RestHighLevelClient restHighLevelClient;

    @Test
    public void contextLoads() {

        for (int i = 1000000; i >= 0; i--) {
            Map<String, Object> jsonMap = new HashMap<>();
            jsonMap.put("name", "測試" + i);
            jsonMap.put("age", "" + i);
            jsonMap.put("des", "啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦拉了拉");
            jsonMap.put("des1", "des1des1des1des1des1des1des1des1des1des1des1des1des1des1des1des1des1des1des1des1des1des1des1");
            jsonMap.put("des2", "des2des2des2des2des2des2des2des2des2des2des2des2des2des2des2des2des2des2");
            jsonMap.put("des3", "des3des3des3des3des3des3des3des3des3des3des3des3des3des3des3des3des3des3");
            jsonMap.put("des4", "des4des4des4des4des4des4des4des4des4des4des4des4des4des4des4des4des4des4des4des4des4des4des4des4des4");
            jsonMap.put("postDate", new Date());
            jsonMap.put("message", "trying out Elasticsearch");
            IndexRequest indexRequest = new IndexRequest("test").id("" + i).source(jsonMap);
            try {
                IndexResponse response = null;
                try {
                    response = restHighLevelClient.index(indexRequest, RequestOptions.DEFAULT);
                } catch (IOException e) {
                    e.printStackTrace();
                }
                log.info(response.toString());
            } catch (ElasticsearchException e) {
                if (e.status() == RestStatus.CONFLICT) {
                    System.out.println("e = " + e);
                }
            }
        }

        GetRequest getRequest = new GetRequest("posts", "2");
        GetResponse response = null;
        try {
            response = restHighLevelClient.get(getRequest, RequestOptions.DEFAULT);
            log.info(response.toString());
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

}

View Code

錯誤資訊,少引入elasticsearch-rest-client pom包

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'restHighLevelClient' defined in class path resource [com/dy/client/EsConfiguration.class]: Post-processing of merged bean definition failed; nested exception is java.lang.IllegalStateException: Failed to introspect Class [org.elasticsearch.client.RestHighLevelClient] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:570) ~[spring-beans-5.1.13.RELEASE.jar:5.1.13.RELEASE]
    at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) [junit-rt.jar:na]
    at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) [junit-rt.jar:na]
Caused by: java.lang.IllegalStateException: Failed to introspect Class [org.elasticsearch.client.RestHighLevelClient] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]
    at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:507) ~[spring-core-5.1.13.RELEASE.jar:5.1.13.RELEASE]
    ... 38 common frames omitted
Caused by: java.lang.NoClassDefFoundError: org/elasticsearch/client/Cancellable
    at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_191]
    at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:489) ~[spring-core-5.1.13.RELEASE.jar:5.1.13.RELEASE]
    ... 45 common frames omitted
Caused by: java.lang.ClassNotFoundException: org.elasticsearch.client.Cancellable
    at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[na:1.8.0_191]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_191]
    ... 49 common frames omitted

View Code

ElasticSearch 6.x數據遷移ElasticSearch7.4

安裝nodejs

yum install nodejs -y --registry=https://registry.npm.taobao.org

安裝elasticdump
```
npm install elasticdump -g
```
升級nodejs
```
npm install -g n
n latest
```

mapping拷貝（建議手動拷貝）

elasticdump --input=http://127.0.0.1:9200/index(修改為真實的索引名稱) --output=//10.0.1.236:9200/index --type=mapping(修改為真實的索引名稱與需要導入的IP)

data拷貝

# 創建認證文件
cat > authFile <<EOF
user=elastic
password=xxxxxx
EOF

# dump數據
elasticdump --input=http://192.168.0.110:9200/test-20200510 --output=//192.168.0.215:9201/test-20200510 --type=data --limit=100000 --httpAuthFile=authFile

Tags: 【ElasticSearch】

Elasticsearch7.6 集群部署、集群認證及使用、數據備份

window 環境部署集群

1、elasticsearch.yml配置：

2、依次運行生成集群

3、生成證書

4、給認證的集群創建用戶密碼

5、配置kibana認證

centos(docker-compose) 環境部署集群

1、docker-compose.yml配置

2、生成證書文件創建密碼

3、修改配置&&動態添加測試

springboot使用測試

1、引入pom

2、程式碼

ElasticSearch 6.x數據遷移ElasticSearch7.4

VirMach 便宜 VPS

QNews

Elasticsearch7.6 集群部署、集群認證及使用、數據備份

window 環境部署集群

1、elasticsearch.yml配置：

2、依次運行生成集群

3、生成證書

4、給認證的集群創建用戶密碼

5、配置kibana認證

centos(docker-compose) 環境部署集群

1、docker-compose.yml配置

2、生成證書文件創建密碼

3、修改配置&&動態添加測試

springboot使用測試

1、引入pom

2、 程式碼

ElasticSearch 6.x數據遷移ElasticSearch7.4

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