Elasticsearch7.6 集群部署、集群认证及使用、数据备份
window 环境部署集群
注意：window下载解压elasticsearch一定需要解压多次。例如搭建的3节点的，需要解压3次，防止生成 cluster UUID 一致导致只能看到一个节点
1、elasticsearch.yml配置：
node.name区别：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:
transport.tcp.compress: true http.max_content_length: 200mb
http.cors.enabled: true
http.cors.allow-origin: "*"
http.port: 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:
cluster.routing.allocation.node_concurrent_recoveries:
cluster.routing.allocation.node_initial_primaries_recoveries:
2、依次运行生成集群
浏览器打开：http://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 dilm - elastic_node3
127.0.0.1 dilm - elastic_node1
127.0.0.1 dilm * elastic_node2
3、生成证书
es集群通过证书来安全的组成集群
- 运行
bin/elasticsearch-certutil cert
注意： 密码后面需要单独设置，这里是集群安全认证，建议密码不设置，成功后生成的证书默认在es的config目录里面 elastic-certificates.p12；分别copy一份到其他节点的config里面（默认目录）
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、给认证的集群创建用户密码
bin/elasticsearch-setup-passwords interactive
- elastic 账号：拥有 superuser 角色，是内置的超级用户。
- kibana 账号：拥有 kibana_system 角色，用户 kibana 用来连接 elasticsearch 并与之通信。Kibana 服务器以该用户身份提交请求以访问集群监视 API 和 .kibana 索引。不能访问 index。
- logstash_system 账号：拥有 logstash_system 角色。用户 Logstash 在 Elasticsearch 中存储监控信息时使用。
- beats_system账号：拥有 beats_system 角色。用户 Beats 在 Elasticsearch 中存储监控信息时使用。
5、配置kibana认证
elasticsearch.username: "kibana"
elasticsearch.password: ""
- 完整的elasticsearch.yml配置，注意不同节点node.name区别
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:
transport.tcp.compress: true http.max_content_length: 200mb
http.cors.enabled: true
http.cors.allow-origin: "*"
http.port: 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:
cluster.routing.allocation.node_concurrent_recoveries:
cluster.routing.allocation.node_initial_primaries_recoveries: 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) 环境部署集群
1、docker-compose.yml配置
version: '2.2'
services:
es01:
image: elasticsearch:7.6.
container_name: es01
environment:
- node.name=es01
- cluster.name=es-docker-cluster
- discovery.seed_hosts=192.168.43.128:
- cluster.initial_master_nodes=es01,192.168.43.128:
- 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: -
hard: -
volumes:
- ./mnt/data:/usr/share/elasticsearch/data
- ./mnt/logs:/usr/share/elasticsearch/logs
ports:
- :
- :
networks:
- elastic
cerebro:
image: lmenezes/cerebro:0.8.
container_name: cerebro
ports:
- "9000:9000"
command:
- -Dhosts..host=http://es01:9200
networks:
- elastic
volumes:
mnt:
driver: local networks:
elastic:
driver: bridge
权限问题执行 chmod -R 777 mnt/*
2、生成证书文件创建密码
- 进入容器 docker exec -it 5144d3b1dd56 /bin/bash
- 生成证书 bin/elasticsearch-certutil cert
- 复制证书并cp到其他节点 docker cp 09f57b6067e0:/usr/share/elasticsearch/elastic-certificates.p12 .
3、修改配置&&动态添加测试
version: '2.2'
services:
es01:
image: elasticsearch:7.6.
container_name: es01
environment:
- node.name=es01
- cluster.name=es-docker-cluster
- discovery.seed_hosts=192.168.43.128:
- cluster.initial_master_nodes=es01,192.168.43.128:
- 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: -
hard: -
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:
- :
- :
networks:
- elastic
cerebro:
image: lmenezes/cerebro:0.8.
container_name: cerebro
ports:
- "9000:9000"
command:
- -Dhosts..host=http://es01:9200
networks:
- elastic
volumes:
mnt:
driver: local networks:
elastic:
driver: bridge
注意证书的位置，给权限 chmod -R 777 mnt/*
- 设置密码(建议进入主节点容器中) bin/elasticsearch-setup-passwords interactive -u 'http://es01:9200'
- 通用配置与window类似
springboot使用测试
1、引入pom
<dependency>
<groupId>org.elasticsearch</groupId>
<artifactId>elasticsearch</artifactId>
<version>7.6.</version>
</dependency> <dependency>
<groupId>org.elasticsearch.client</groupId>
<artifactId>elasticsearch-rest-client</artifactId>
<version>7.6.</version>
</dependency> <dependency>
<groupId>org.elasticsearch.client</groupId>
<artifactId>elasticsearch-rest-high-level-client</artifactId>
<version>7.6.</version>
</dependency>
2、 代码
- 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";
/**
* 使用的端口号
*/
private static int port = ;
/**
* // 使用的协议
*/
private static String schema = "http";
private static ArrayList<HttpHost> hostList = null;
/**
* 连接超时时间
*/
private static int connectTimeOut = ;
/**
* 连接超时时间
*/
private static int socketTimeOut = ;
/**
* 获取连接的超时时间
*/
private static int connectionRequestTimeOut = ;
/**
* 最大连接数
*/
private static int maxConnectNum = ;
/**
* 最大路由连接数
*/
private static int maxConnectPerRoute = ; 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[]));
setConnectTimeOutConfig();
setMutiConnectConfig();
return new RestHighLevelClient(builder);
} /**
* 异步httpclient的连接延时配置
*/
private void setConnectTimeOutConfig() {
builder.setRequestConfigCallback(requestConfigBuilder -> {
requestConfigBuilder.setConnectTimeout(connectTimeOut);
requestConfigBuilder.setSocketTimeout(socketTimeOut);
requestConfigBuilder.setConnectionRequestTimeout(connectionRequestTimeOut);
return requestConfigBuilder;
});
} /**
* 异步httpclient的连接数配置
*/
private void setMutiConnectConfig() {
credentialsProvider.setCredentials(AuthScope.ANY, new UsernamePasswordCredentials("elastic", ""));
builder.setHttpClientConfigCallback(httpClientBuilder -> {
httpClientBuilder.setDefaultCredentialsProvider(credentialsProvider);
httpClientBuilder.setMaxConnTotal(maxConnectNum);
httpClientBuilder.setMaxConnPerRoute(maxConnectPerRoute);
return httpClientBuilder;
});
} } - ElasticsearchApplicationTests.class
@Log4j2
@RunWith(SpringRunner.class)
@SpringBootTest
public class ElasticsearchApplicationTests { @Autowired
RestHighLevelClient restHighLevelClient; @Test
public void contextLoads() { for (int i = ; i >= ; i--) {
Map<String, Object> jsonMap = new HashMap<>();
jsonMap.put("name", "测试" + 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", "");
GetResponse response = null;
try {
response = restHighLevelClient.get(getRequest, RequestOptions.DEFAULT);
log.info(response.toString());
} catch (IOException e) {
e.printStackTrace();
} } } 错误信息,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$AppClassLoader@18b4aac2]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:) ~[spring-beans-5.1..RELEASE.jar:5.1..RELEASE]
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:) [junit-rt.jar:na]
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:) [junit-rt.jar:na]
Caused by: java.lang.IllegalStateException: Failed to introspect Class [org.elasticsearch.client.RestHighLevelClient] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:) ~[spring-core-5.1..RELEASE.jar:5.1..RELEASE]
... 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:) ~[spring-core-5.1..RELEASE.jar:5.1..RELEASE]
... common frames omitted
Caused by: java.lang.ClassNotFoundException: org.elasticsearch.client.Cancellable
at java.net.URLClassLoader.findClass(URLClassLoader.java:) ~[na:1.8.0_191]
at java.lang.ClassLoader.loadClass(ClassLoader.java:) ~[na:1.8.0_191]
... common frames omitted
ElasticSearch 6.x数据迁移ElasticSearch7.4
- 安装nodejs
yum install nodejs -y --registry=https://registry.npm.taobao.org
- 安装elasticdump
npm install elasticdump -g
- 升级nodejs
npm install -g n
n latest mapping拷贝（建议手动拷贝）
elasticdump --input=http://127.0.0.1:9200/index(修改为真实的索引名称) --output=http://10.0.1.236:9200/index --type=mapping(修改为真实的索引名称与需要导入的IP)
- data拷贝
# 创建认证文件
cat > authFile <<EOF
user=elastic
password=xxxxxx
EOF # dump数据
elasticdump --input=http://192.168.0.110:9200/test-20200510 --output=http://192.168.0.215:9201/test-20200510 --type=data --limit=100000 --httpAuthFile=authFile
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