Spring Cloud（Finchley.RELEASE版本）微服务学习实践：6.3全链路追踪监控-Zipkin(mysql数据库)

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环境：

jdk1.8；spring boot2.0.3；spring cloud（Finchley.RELEASE版本）;Maven3.3

摘要说明：

zipkin默认保存的内存里，在微服务架构中肯定是不行的，本篇讲述将链路信息保存到mysql数据库中

步骤：

1.创建zipkinServer4Mysql服务

添加pom.xml依赖

<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 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>pers.cc</groupId><artifactId>springCloud</artifactId><version>0.0.1-SNAPSHOT</version></parent><artifactId>zipkinServer4Mysql</artifactId><name>zipkinServer4Mysql</name><description>全链路追踪监控-mysql</description><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><dependency><groupId>io.zipkin.java</groupId><artifactId>zipkin-server</artifactId><version>2.9.4</version></dependency><dependency><groupId>io.zipkin.java</groupId><artifactId>zipkin-autoconfigure-ui</artifactId><version>2.9.4</version></dependency><dependency><groupId>io.zipkin.java</groupId><artifactId>zipkin-autoconfigure-storage-mysql</artifactId><version>2.9.4</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-jdbc</artifactId></dependency><!-- 这是mysql驱动，如果自己配置也行，加这个依赖也行 --><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId></dependency></dependencies>
</project>

2.配置zipkinServer4Mysql服务

使用@EnableZipkinServer注解开启zipkin配置：

import javax.sql.DataSource;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;import zipkin.server.internal.EnableZipkinServer;
import zipkin2.storage.mysql.v1.MySQLStorage;@SpringBootApplication
@EnableZipkinServer
public class ZipkinServer4MysqlApplication {public static void main(String[] args) {SpringApplication.run(ZipkinServer4MysqlApplication.class, args);}@Beanpublic MySQLStorage mySQLStorage(DataSource datasource) {return MySQLStorage.newBuilder().datasource(datasource).executor(Runnable::run).build();}
}

配置application.properties

#配置服务及端口（默认9411）
spring.application.name=zipkin-server-mysql
server.port=9411#去除控制台异常
management.metrics.web.server.auto-time-requests=false#配置在数据库创建完以后，可以删除，不然每次都会寻找这个sql，耗费时间。
zipkin.storage.type=mysql
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/testspringboot
spring.datasource.username=root
spring.datasource.password=cc6688211
spring.datasource.initialize=false
spring.datasource.continueOnError=true
sleuth.enabled=false

3.新建mysql表结构

先建mysql表：

CREATE TABLE IF NOT EXISTS zipkin_spans (`trace_id_high` BIGINT NOT NULL DEFAULT 0 COMMENT 'If non zero, this means the trace uses 128 bit traceIds instead of 64 bit',`trace_id` BIGINT NOT NULL,`id` BIGINT NOT NULL,`name` VARCHAR(255) NOT NULL,`parent_id` BIGINT,`debug` BIT(1),`start_ts` BIGINT COMMENT 'Span.timestamp(): epoch micros used for endTs query and to implement TTL',`duration` BIGINT COMMENT 'Span.duration(): micros used for minDuration and maxDuration query'
) ENGINE=InnoDB ROW_FORMAT=COMPRESSED CHARACTER SET=utf8 COLLATE utf8_general_ci;ALTER TABLE zipkin_spans ADD UNIQUE KEY(`trace_id_high`, `trace_id`, `id`) COMMENT 'ignore insert on duplicate';
ALTER TABLE zipkin_spans ADD INDEX(`trace_id_high`, `trace_id`, `id`) COMMENT 'for joining with zipkin_annotations';
ALTER TABLE zipkin_spans ADD INDEX(`trace_id_high`, `trace_id`) COMMENT 'for getTracesByIds';
ALTER TABLE zipkin_spans ADD INDEX(`name`) COMMENT 'for getTraces and getSpanNames';
ALTER TABLE zipkin_spans ADD INDEX(`start_ts`) COMMENT 'for getTraces ordering and range';CREATE TABLE IF NOT EXISTS zipkin_annotations (`trace_id_high` BIGINT NOT NULL DEFAULT 0 COMMENT 'If non zero, this means the trace uses 128 bit traceIds instead of 64 bit',`trace_id` BIGINT NOT NULL COMMENT 'coincides with zipkin_spans.trace_id',`span_id` BIGINT NOT NULL COMMENT 'coincides with zipkin_spans.id',`a_key` VARCHAR(255) NOT NULL COMMENT 'BinaryAnnotation.key or Annotation.value if type == -1',`a_value` BLOB COMMENT 'BinaryAnnotation.value(), which must be smaller than 64KB',`a_type` INT NOT NULL COMMENT 'BinaryAnnotation.type() or -1 if Annotation',`a_timestamp` BIGINT COMMENT 'Used to implement TTL; Annotation.timestamp or zipkin_spans.timestamp',`endpoint_ipv4` INT COMMENT 'Null when Binary/Annotation.endpoint is null',`endpoint_ipv6` BINARY(16) COMMENT 'Null when Binary/Annotation.endpoint is null, or no IPv6 address',`endpoint_port` SMALLINT COMMENT 'Null when Binary/Annotation.endpoint is null',`endpoint_service_name` VARCHAR(255) COMMENT 'Null when Binary/Annotation.endpoint is null'
) ENGINE=InnoDB ROW_FORMAT=COMPRESSED CHARACTER SET=utf8 COLLATE utf8_general_ci;ALTER TABLE zipkin_annotations ADD UNIQUE KEY(`trace_id_high`, `trace_id`, `span_id`, `a_key`, `a_timestamp`) COMMENT 'Ignore insert on duplicate';
ALTER TABLE zipkin_annotations ADD INDEX(`trace_id_high`, `trace_id`, `span_id`) COMMENT 'for joining with zipkin_spans';
ALTER TABLE zipkin_annotations ADD INDEX(`trace_id_high`, `trace_id`) COMMENT 'for getTraces/ByIds';
ALTER TABLE zipkin_annotations ADD INDEX(`endpoint_service_name`) COMMENT 'for getTraces and getServiceNames';
ALTER TABLE zipkin_annotations ADD INDEX(`a_type`) COMMENT 'for getTraces';
ALTER TABLE zipkin_annotations ADD INDEX(`a_key`) COMMENT 'for getTraces';CREATE TABLE IF NOT EXISTS zipkin_dependencies (`day` DATE NOT NULL,`parent` VARCHAR(255) NOT NULL,`child` VARCHAR(255) NOT NULL,`call_count` BIGINT
) ENGINE=InnoDB ROW_FORMAT=COMPRESSED CHARACTER SET=utf8 COLLATE utf8_general_ci;ALTER TABLE zipkin_dependencies ADD UNIQUE KEY(`day`, `parent`, `child`);