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Spring Boot Sample 024之spring-boot-data-influxdb

更新时间:2020-11-19  作者:佚名   来源:网络转载


	Spring Boot Sample 024之spring-boot-data-influxdb
[数据库教程]

一、环境

  • Idea 2020.1
  • JDK 1.8
  • maven

二、目的

spring boot 通过整合influxdb

gitHub地址: https://github.com/ouyushan/ouyushan-spring-boot-samples

三、步骤

3.1、点击File -> New Project -> Spring Initializer,点击next 
	Spring Boot Sample 024之spring-boot-data-influxdb
[数据库教程]

3.2、在对应地方修改自己的项目信息


	Spring Boot Sample 024之spring-boot-data-influxdb
[数据库教程]

3.3、选择Web依赖,选中Spring Web、Spring Boot Actuator。可以选择Spring Boot版本,本次默认为2.3.0,点击Next


	Spring Boot Sample 024之spring-boot-data-influxdb
[数据库教程]

3.4、项目结构


	Spring Boot Sample 024之spring-boot-data-influxdb
[数据库教程]

四、添加文件


	Spring Boot Sample 024之spring-boot-data-influxdb
[数据库教程]

pom.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.ouyushan</groupId>
        <artifactId>ouyushan-spring-boot-samples</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <groupId>org.ouyushan</groupId>
    <artifactId>spring-boot-data-influxdb</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>spring-boot-data-influxdb</name>
    <description>InfluxDB project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>io.micrometer</groupId>
            <artifactId>micrometer-registry-influx</artifactId>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>org.influxdb</groupId>
            <artifactId>influxdb-java</artifactId>
            <version>2.19</version>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.12</version>
            <optional>true</optional>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.hibernate.validator</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>6.1.5.Final</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

application.properties文件

spring:
  influx:
    url: http://localhost:8086
    user: root
    password: ouyushan
    database: test
    retention_policy: default
    retention_policy_time: 30d


management:
  metrics:
    export:
      influx:
        enabled: true
        db: ouyushan
        uri: http://localhost:8086
        user: root
        password: ouyushan
        connect-timeout: 1s
        read-timeout: 10s
        auto-create-db: true
        step: 1m
        consistency: one
        compressed: true
        batch-size: 10000

InfluxDBProperties.java

package org.ouyushan.springboot.data.influxdb.config;

import lombok.Data;
import org.hibernate.validator.constraints.URL;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Configuration;

import javax.validation.constraints.NotBlank;

/**
 * @Description:
 * @Author: ouyushan
 * @Email: ouyushan@hotmail.com
 * @Date: 2020/6/3 16:00
 */
@Configuration
@ConfigurationProperties(prefix = "spring.influx")
@Data
public class InfluxDBProperties {
    @URL
    private String url;
    @NotBlank
    private String user;
    @NotBlank
    private String password;
    @NotBlank
    private String database;
    @NotBlank
    private String retentionPolicy;
    @NotBlank
    private String retentionPolicyTime;

}

InfluxDBConfig.java

package org.ouyushan.springboot.data.influxdb.config;

import lombok.extern.slf4j.Slf4j;
import org.influxdb.InfluxDB;
import org.influxdb.InfluxDBFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @Description:
 * @Author: ouyushan
 * @Email: ouyushan@hotmail.com
 * @Date: 2020/6/3 15:15
 */

@Configuration
@Slf4j
public class InfluxDBConfig {

    @Autowired
    private InfluxDBProperties influxDBProperties;


    @Bean
    public InfluxDBConnect getInfluxDBConnect() {
        InfluxDBConnect influxDB = new InfluxDBConnect(influxDBProperties.getUser(), influxDBProperties.getPassword(),
                influxDBProperties.getUrl(), influxDBProperties.getDatabase(), influxDBProperties.getRetentionPolicy(),
                influxDBProperties.getRetentionPolicyTime());

        influxDB.influxDbBuild();

        influxDB.createRetentionPolicy();
        log.info("init influxdb::[{}]", influxDBProperties);
        return influxDB;
    }

}

InfluxDBConnect.java

package org.ouyushan.springboot.data.influxdb.config;

import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import org.influxdb.InfluxDB;
import org.influxdb.InfluxDBFactory;
import org.influxdb.dto.Point;
import org.influxdb.dto.Query;
import org.influxdb.dto.QueryResult;

import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * @Description:
 * @Author: ouyushan
 * @Email: ouyushan@hotmail.com
 * @Date: 2020/6/3 16:09
 */
@Data
@Slf4j
public class InfluxDBConnect {
    /**
     * 用户名
     */
    private String user;
    private String password;
    private String url;
    public String database;
    /**
     * 数据保存策略
     */
    private String retentionPolicy;
    /**
     * 数据保存策略中数据保存时间
     */
    private String retentionPolicyTime;

    /**
     * InfluxDB实例
     */
    private InfluxDB influxDB;

    public InfluxDBConnect(String user, String password, String url, String database, String retentionPolicy, String retentionPolicyTime) {
        this.user = user;
        this.password = password;
        this.url = url;
        this.database = database;
        // autogen默认的数据保存策略
        this.retentionPolicy = retentionPolicy == null || "".equals(retentionPolicy) ? "autogen" : retentionPolicy;
        this.retentionPolicyTime = retentionPolicyTime == null || "".equals(retentionPolicy) ? "30d" : retentionPolicyTime;
        this.influxDB = influxDbBuild();
    }

    /**
     * 连接时序数据库;获得InfluxDB
     **/
    public InfluxDB influxDbBuild() {
        if (influxDB == null) {
            influxDB = InfluxDBFactory.connect(url, user, password);
            influxDB.query(new Query("CREATE DATABASE " + database));
            influxDB.setDatabase(database);
        }
        return influxDB;
    }

    /**
     * 设置数据保存策略 defalut 策略名 /database 数据库名/ 30d 数据保存时限30天/ 1 副本个数为1/ 结尾DEFAULT
     * 表示 设为默认的策略
     */
    public void createRetentionPolicy() {
        String command = String.format("CREATE RETENTION POLICY "%s" ON "%s" DURATION %s REPLICATION %s DEFAULT",
                retentionPolicy, database, retentionPolicyTime, 1);
        this.query(command);
    }

    /**
     * 查询
     *
     * @param command 查询语句
     * @return
     */
    public QueryResult query(String command) {
        return influxDB.query(new Query(command, database));
    }

    /**
     * 插入
     *
     * @param measurement 表
     * @param tags        标签
     * @param fields      字段
     */
    public void insert(String measurement, Map<String, String> tags, Map<String, Object> fields) {
        Point.Builder builder = Point.measurement(measurement);
        // 纳秒时会出现异常信息:partial write: points beyond retention policy dropped=1
        // builder.time(System.nanoTime(), TimeUnit.NANOSECONDS);
        builder.time(System.currentTimeMillis(), TimeUnit.MILLISECONDS);
        builder.tag(tags);
        builder.fields(fields);

        log.info("influxDB insert data:[{}]", builder.build().toString());
        influxDB.write(database, "", builder.build());
    }
}

五、测试

SpringBootDataInfluxdbApplicationTests.java

package org.ouyushan.springboot.data.influxdb;

import org.influxdb.dto.QueryResult;
import org.junit.jupiter.api.Test;
import org.ouyushan.spring.boot.data.influxdb.config.InfluxDBConnect;
import org.springframework.boot.test.context.SpringBootTest;

import javax.annotation.Resource;
import java.util.HashMap;
import java.util.Map;

@SpringBootTest
class SpringBootDataInfluxdbApplicationTests {

    @Resource
    InfluxDBConnect influxDBConnect;

    @Test
    public void testInsert() {
        Map<String, String> tagsMap = new HashMap<>();
        Map<String, Object> fieldsMap = new HashMap<>();
        System.out.println("influxDB start time :" + System.currentTimeMillis());
        int i = 0;
        for (; ; ) {
            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            tagsMap.put("user_id", String.valueOf(i % 10));
            tagsMap.put("url", "http://www.baidu.com");
            tagsMap.put("service_method", "testInsert" + (i % 5));
            fieldsMap.put("count", i % 5);
            influxDBConnect.insert("usage", tagsMap, fieldsMap);
            i++;
        }
    }

    @Test
    public void testQuery() {
        QueryResult queryResult = influxDBConnect.query("select * from usage");
        queryResult.getResults().stream().forEach(result -> System.out.println(result.getSeries()));
    }


}

Spring Boot Sample 024之spring-boot-data-influxdb

原文地址:https://www.cnblogs.com/ouyushan/p/13974710.html

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