SpringCloud Hoxton版 + SpringCloud alibaba学习笔记（9）-- SpringCloud Alibaba Nacos服务注册和配置中心

布满荆棘的人生 2022-12-31 04:24 159阅读 0赞

## 上一篇：[SpringCloud Hoxton版 + SpringCloud alibaba学习笔记（8）-- SpringCloud Alibaba入门简介][SpringCloud Hoxton_ _ SpringCloud alibaba_8_-- SpringCloud Alibaba] ##

### 一、Nacos简介 ###

#### 1、为什么叫Nacos ####

前四个字母分别为Naming和Configuration的前两个字母，最后的s为Service

#### 2、是什么 ####

一个更易于构建云原生应用的动态服务发现，配置管理和服务管理中心  
Nacos：Dynamic Naming and Configuration Service  
Nacos就是注册中心+配置中心的组合 等价于 Nacos = Eureka+Config+Bus

#### 3、能干嘛 ####

替代Eureka做服务注册中心  
替代Config做服务配置中心

#### 4、去哪下 ####

[https://github.com/alibaba/Nacos][https_github.com_alibaba_Nacos]

官网文档：  
[https://nacos.io/zh-cn/index.html][https_nacos.io_zh-cn_index.html]

[https://spring-cloud-alibaba-group.github.io/github-pages/greenwich/spring-cloud-alibaba.html\#\_spring\_cloud\_alibaba\_nacos\_discovery][https_spring-cloud-alibaba-group.github.io_github-pages_greenwich_spring-cloud-alibaba.html_spring_cloud_alibaba_nacos_discovery]

#### 5、各种注册中心比较 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70]

### 二、安装并运行Nacos ###

#### 1、本地Java8+Maven环境已经OK ####

#### 2、先从官网下载Nacos ####

[https://github.com/alibaba/nacos/releases/tag/1.1.4][https_github.com_alibaba_nacos_releases_tag_1.1.4]

#### 3、解压安装包，直接运行bin目录下的startup.cmd ####

#### 4、命令运行成功后直接访问http://localhost:8848/nacos ####

默认账号密码都是nacos

#### 5、结果页面 ####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 1]

### 三、Nacos作为服务注册中心演示 ###

#### 1、官网文档 ####

#### 2、基于Nacos的服务提供者 ####

##### ①、新建Module #####

cloudalibaba-provider-payment9001

##### ②、POM #####

父POM

<dependency>
      <groupId>com.alibaba.cloud</groupId>
      <artifactId>spring-cloud-alibaba-dependencies</artifactId>
      <version>2.1.0.RELEASE</version>
      <type>pom</type>
      <scope>import</scope>
    </dependency>

本模块POM

<dependencies>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency><dependency>
        <groupId>com.alibaba</groupId>
        <artifactId>fastjson</artifactId>
        <version>1.2.62</version>
    </dependency>
     </dependencies>

##### ③、YML #####

server:
      port: 9001
    
    spring:
      application:
        name: nacos-payment-provider
      cloud:
        nacos:
          discovery:
            server-addr: localhost:8848 #配置Nacos地址
    
    management:
      endpoints:
        web:
          exposure:
            include: '*'

##### ④、主启动 #####

package com.atguigu.springcloud.alibaba;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    
    @EnableDiscoveryClient
    @SpringBootApplication
    public class PaymentMain9001 { 
        public static void main(String[] args) { 
            SpringApplication.run(PaymentMain9001.class,args);
        }
    }

##### ⑤、业务类 #####

package com.atguigu.springcloud.alibaba.controller;
    
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.PathVariable;
    import org.springframework.web.bind.annotation.RestController;
    
    @RestController
    public class PaymentController
    { 
        @Value("${server.port}")
        private String serverPort;
    
        @GetMapping(value = "/payment/nacos/{id}")
        public String getPayment(@PathVariable("id") Integer id)
        { 
            return "nacos registry, serverPort: "+ serverPort+"\t id"+id;
        }
    }

##### ⑥、测试 #####

http://lcoalhost:9001/payment/nacos/1  
nacos控制台  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 2]  
nacos服务注册中心+服务提供者9001都ok了

##### ⑦、为了下一章节演示nacos的负载均衡，参照9001新建9002 #####

新建cloudalibaba-provider-payment9002  
9002其他步骤你懂的  
或者取巧不想新建重复体力劳动，直接拷贝虚拟端口映射  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 3]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 4]

#### 3、基于Nacos的服务消费者 ####

##### ①、新建Module #####

cloudalibaba-consumer-nacos-order83

##### ②、POM #####

<dependencies>
        
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>
            <dependency>
            <groupId>com.atguigu.springcloud</groupId>
            <artifactId>cloud-api-commons</artifactId>
            <version>${ project.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

为什么nacos支持负载均衡  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 5]

##### ③、YML #####

server:
      port: 83
    
    spring:
      application:
        name: nacos-order-consumer
      cloud:
        nacos:
          discovery:
            server-addr: localhost:8848
    
    service-url:
      nacos-user-service: http://nacos-payment-provider

##### ④、主启动 #####

package com.atguigu.springcloud.alibaba;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    
    
    @EnableDiscoveryClient
    @SpringBootApplication
    public class OrderNacosMain83
    { 
        public static void main(String[] args)
        { 
            SpringApplication.run(OrderNacosMain83.class,args);
        }
    }

##### ⑤、业务类 #####

ApplicationContextBean

package com.atguigu.springcloud.alibaba.config;
    
    import org.springframework.cloud.client.loadbalancer.LoadBalanced;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.web.client.RestTemplate;
    
    @Configuration
    public class ApplicationContextConfig
    { 
        @Bean
        @LoadBalanced
        public RestTemplate getRestTemplate()
        { 
            return new RestTemplate();
        }
    }

OrderNacosController

package com.atguigu.springcloud.alibaba.controller;
    
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.PathVariable;
    import org.springframework.web.bind.annotation.RestController;
    import org.springframework.web.client.RestTemplate;
    
    import javax.annotation.Resource;
    
    @RestController
    @Slf4j
    public class OrderNacosController
    { 
        @Resource
        private RestTemplate restTemplate;
    
        @Value("${service-url.nacos-user-service}")
        private String serverURL;
    
        @GetMapping(value = "/consumer/payment/nacos/{id}")
        public String paymentInfo(@PathVariable("id") Long id)
        { 
            return restTemplate.getForObject(serverURL+"/payment/nacos/"+id,String.class);
        }
    
    }

##### ⑥、测试 #####

nacos控制台  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 6]  
http://localhost:83/consumer/payment/nacos/13  
83访问9001/9002，轮询负载OK

#### 4、服务注册中心对比 ####

##### ①、Nacos全景图所示 #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 7]

##### ②、Nacos和CAP #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 8]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 9]

##### ③、切换 #####

Nacos支持AP和CP模式的切换  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 10]  
AP模式为了服务的可用性而减弱了一致性  
curl -X PUT ‘$NACOS\_SERVER:8848/nacos/v1/ns/operator/switches?entry=serverMode&value=CP’

### 四、Nacos作为服务配置中心演示 ###

#### 1、Nacos作为配置中心-基础配置 ####

##### ①、cloudalibaba-config-nacos-client3377 #####

##### ②、POM #####

<dependencies>
        
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
        </dependency>
        
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-actuator</artifactId>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

##### ③、YML #####

bootstrap

server:
      port: 3377
    
    spring:
      application:
        name: nacos-config-client
      cloud:
        nacos:
          discovery:
            server-addr: localhost:8848 #服务注册中心地址
          config:
            server-addr: localhost:8848 #配置中心地址
            file-extension: yaml #指定yaml格式的配置

application

spring:
      profiles:
        active: dev

why配置两个  
![在这里插入图片描述][20201228220428269.png]

##### ④、主启动 #####

package com.atguigu.springcloud.alibaba;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
    
    
    @EnableDiscoveryClient
    @SpringBootApplication
    public class NacosConfigClientMain3377
    { 
        public static void main(String[] args) { 
            SpringApplication.run(NacosConfigClientMain3377.class, args);
        }
    }

##### ⑤、业务类 #####

package com.atguigu.springcloud.alibaba.controller;
    
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.cloud.context.config.annotation.RefreshScope;
    import org.springframework.web.bind.annotation.GetMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    
    @RestController
    @RefreshScope
    public class ConfigClientController
    { 
        @Value("${config.info}")
        private String configInfo;
    
        @GetMapping("/config/info")
        public String getConfigInfo() { 
            return configInfo;
        }
    }

ConfigClientController

@RefreshScope  
![在这里插入图片描述][20201228220917653.png]

##### ⑥、在Nacos中添加配置信息 #####

Nacos中的匹配规则

##### 1)、理论 #####

Nacos中的dataid的组成格式与SpringBoot配置文件中的匹配规则  
[https://nacos.io/zh-cn/docs/quick-start-spring-cloud.html  
][https_nacos.io_zh-cn_docs_quick-start-spring-cloud.html]  
https://nacos.io/zh-cn/docs/quick-start-spring-cloud.html  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 11]  
![在这里插入图片描述][20201228221320837.png]

##### 2)、实操 #####

配置新增 – nacos-config-client-dev  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 12]  
Nacos界面配置对应  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 13]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 14]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 15]

##### ⑦、测试 #####

启动前需要在nacos客户端-配置管理-配置管理栏目下有没有对应的yaml配置文件  
运行cloud-config-nacos-client3377的主启动类  
调用接口查看配置信息：http://localhost:3377/config/info

##### ⑧、自带动态刷新 #####

修改下Nacos中的yaml配置文件，再次调用查看配置的接口，就会发现配置已经刷新

#### 2、Nacos作为配置中心-分类配置 ####

##### ①、问题 #####

多环境多项目管理  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 16]

##### ②、Nacos的图形化管理界面 #####

配置管理：  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 17]  
命名空间  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 18]

##### ③、Namespace+Group+Data ID三者关系？为什么这么设计？ #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 19]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 20]

##### ④、Case #####

##### DataID方案 #####

##### 1、指定spring.profile.active和配置文件的DataID来使不同环境下读取不同的配置 #####

##### 2、默认空间+默认分组+新建dev和test两个DataID #####

新建dev配置DataID  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 21]  
新建test配置DataID  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 22]

##### 3、通过spring.profile.active属性就能进行多环境下配置文件的读取 #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 23]

##### 4、测试 #####

http://localhost:3377/config/info，配置是什么就加载什么

##### Group方案 #####

##### 1、通过Group实现环境区分 #####

新建Group  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 24]

##### 2、在nacos图形界面控制台上面新建配置文件DataID #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 25]

##### 3、bootstrap+application #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 26]  
在config下增加一条group的配置即可。可配置为DEV\_GROUP或TEST\_GROUP

##### Namespace方案 #####

##### 1、新建dev/test的Namespace #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 27]

##### 2、回到服务管理-服务列表查看 #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 28]

##### 3、按照域名配置填写 #####

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 29]

##### 4、YML #####

bootstrap

namespace:

application

### 五 、Nacos集群和持久化配置（重要） ###

#### 1、官网说明 ####

[https://nacos.io/zh-cn/docs/cluster-mode-quick-start.html][https_nacos.io_zh-cn_docs_cluster-mode-quick-start.html]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 30]  
上图中的VIP指的是虚拟IP  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 31]  
说明  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 32]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 33]  
![在这里插入图片描述][20210104231558248.png]  
官网说明  
[https://nacos.io/zh-cn/docs/deployment.html][https_nacos.io_zh-cn_docs_deployment.html]  
重点说明  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 34]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2V4b2R1czM_size_16_color_FFFFFF_t_70 35]

#### 2、Nacos持久化配置解释 ####

##### ①、Nacos默认自带的是嵌入式数据库derby #####

[https://github.com/alibaba/nacos/blob/develop/config/pom.xml][https_github.com_alibaba_nacos_blob_develop_config_pom.xml]

##### ②、derby到mysql切换配置步骤 #####

##### 1）、nacos-server-1.1.4\\nacos\\conf目录下找到sql脚本 #####

找到nacos-mysql.sql，执行脚本

CREATE DATABASE nacos_config;
    USE nacos_config;
     
    /* 数据库全名 = nacos_config */
    /* 表名称 = config_info */
    /******************************************/
    CREATE TABLE `config_info` (
      `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'id',
      `data_id` varchar(255) NOT NULL COMMENT    'data_id',
      `group_id` varchar(255) DEFAULT NULL,
      `content` longtext NOT NULL COMMENT 'content',
      `md5` varchar(32) DEFAULT NULL COMMENT 'md5',
      `gmt_create` datetime NOT NULL DEFAULT '2010-05-05 00:00:00' COMMENT '创建时间',
      `gmt_modified` datetime NOT NULL DEFAULT '2010-05-05 00:00:00' COMMENT '修改时间',
      `src_user` text COMMENT 'source user',
      `src_ip` varchar(20) DEFAULT NULL COMMENT 'source ip',
      `app_name` varchar(128) DEFAULT NULL,
      `tenant_id` varchar(128) DEFAULT '' COMMENT '租户字段',
      `c_desc` varchar(256) DEFAULT NULL,
      `c_use` varchar(64) DEFAULT NULL,
      `effect` varchar(64) DEFAULT NULL,
      `type` varchar(64) DEFAULT NULL,
      `c_schema` text,
      PRIMARY KEY (`id`),
      UNIQUE KEY `uk_configinfo_datagrouptenant` (`data_id`,`group_id`,`tenant_id`)
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='config_info';
     
    /******************************************/
    /* 数据库全名 = nacos_config */
    /* 表名称 = config_info_aggr */
    /******************************************/
    CREATE TABLE `config_info_aggr` (
      `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'id',
      `data_id` varchar(255) NOT NULL COMMENT 'data_id',
      `group_id` varchar(255) NOT NULL COMMENT 'group_id',
      `datum_id` varchar(255) NOT NULL COMMENT 'datum_id',
      `content` longtext NOT NULL COMMENT '内容',
      `gmt_modified` datetime NOT NULL COMMENT '修改时间',
      `app_name` varchar(128) DEFAULT NULL,
      `tenant_id` varchar(128) DEFAULT '' COMMENT '租户字段',
      PRIMARY KEY (`id`),
      UNIQUE KEY `uk_configinfoaggr_datagrouptenantdatum` (`data_id`,`group_id`,`tenant_id`,`datum_id`)
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='增加租户字段';
     
     
    /******************************************/
    /* 数据库全名 = nacos_config */
    /* 表名称 = config_info_beta */
    /******************************************/
    CREATE TABLE `config_info_beta` (
      `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'id',
      `data_id` varchar(255) NOT NULL COMMENT 'data_id',
      `group_id` varchar(128) NOT NULL COMMENT 'group_id',
      `app_name` varchar(128) DEFAULT NULL COMMENT 'app_name',
      `content` longtext NOT NULL COMMENT 'content',
      `beta_ips` varchar(1024) DEFAULT NULL COMMENT 'betaIps',
      `md5` varchar(32) DEFAULT NULL COMMENT 'md5',
      `gmt_create` datetime NOT NULL DEFAULT '2010-05-05 00:00:00' COMMENT '创建时间',
      `gmt_modified` datetime NOT NULL DEFAULT '2010-05-05 00:00:00' COMMENT '修改时间',
      `src_user` text COMMENT 'source user',
      `src_ip` varchar(20) DEFAULT NULL COMMENT 'source ip',
      `tenant_id` varchar(128) DEFAULT '' COMMENT '租户字段',
      PRIMARY KEY (`id`),
      UNIQUE KEY `uk_configinfobeta_datagrouptenant` (`data_id`,`group_id`,`tenant_id`)
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='config_info_beta';
     
    /******************************************/
    /* 数据库全名 = nacos_config */
    /* 表名称 = config_info_tag */
    /******************************************/
    CREATE TABLE `config_info_tag` (
      `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'id',
      `data_id` varchar(255) NOT NULL COMMENT 'data_id',
      `group_id` varchar(128) NOT NULL COMMENT 'group_id',
      `tenant_id` varchar(128) DEFAULT '' COMMENT 'tenant_id',
      `tag_id` varchar(128) NOT NULL COMMENT 'tag_id',
      `app_name` varchar(128) DEFAULT NULL COMMENT 'app_name',
      `content` longtext NOT NULL COMMENT 'content',
      `md5` varchar(32) DEFAULT NULL COMMENT 'md5',
      `gmt_create` datetime NOT NULL DEFAULT '2010-05-05 00:00:00' COMMENT '创建时间',
      `gmt_modified` datetime NOT NULL DEFAULT '2010-05-05 00:00:00' COMMENT '修改时间',
      `src_user` text COMMENT 'source user',
      `src_ip` varchar(20) DEFAULT NULL COMMENT 'source ip',
      PRIMARY KEY (`id`),
      UNIQUE KEY `uk_configinfotag_datagrouptenanttag` (`data_id`,`group_id`,`tenant_id`,`tag_id`)
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='config_info_tag';
     
    /******************************************/
    /* 数据库全名 = nacos_config */
    /* 表名称 = config_tags_relation */
    /******************************************/
    CREATE TABLE `config_tags_relation` (
      `id` bigint(20) NOT NULL COMMENT 'id',
      `tag_name` varchar(128) NOT NULL COMMENT 'tag_name',
      `tag_type` varchar(64) DEFAULT NULL COMMENT 'tag_type',
      `data_id` varchar(255) NOT NULL COMMENT 'data_id',
      `group_id` varchar(128) NOT NULL COMMENT 'group_id',
      `tenant_id` varchar(128) DEFAULT '' COMMENT 'tenant_id',
      `nid` bigint(20) NOT NULL AUTO_INCREMENT,
      PRIMARY KEY (`nid`),
      UNIQUE KEY `uk_configtagrelation_configidtag` (`id`,`tag_name`,`tag_type`),
      KEY `idx_tenant_id` (`tenant_id`)
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='config_tag_relation';
     
    /******************************************/
    /* 数据库全名 = nacos_config */
    /* 表名称 = group_capacity */
    /******************************************/
    CREATE TABLE `group_capacity` (
      `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT COMMENT '主键ID',
      `group_id` varchar(128) NOT NULL DEFAULT '' COMMENT 'Group ID，空字符表示整个集群',
      `quota` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '配额，0表示使用默认值',
      `usage` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '使用量',
      `max_size` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '单个配置大小上限，单位为字节，0表示使用默认值',
      `max_aggr_count` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '聚合子配置最大个数，，0表示使用默认值',
      `max_aggr_size` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '单个聚合数据的子配置大小上限，单位为字节，0表示使用默认值',
      `max_history_count` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '最大变更历史数量',
      `gmt_create` datetime NOT NULL DEFAULT '2010-05-05 00:00:00' COMMENT '创建时间',
      `gmt_modified` datetime NOT NULL DEFAULT '2010-05-05 00:00:00' COMMENT '修改时间',
      PRIMARY KEY (`id`),
      UNIQUE KEY `uk_group_id` (`group_id`)
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='集群、各Group容量信息表';
     
    /******************************************/
    /* 数据库全名 = nacos_config */
    /* 表名称 = his_config_info */
    /******************************************/
    CREATE TABLE `his_config_info` (
      `id` bigint(64) unsigned NOT NULL,
      `nid` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
      `data_id` varchar(255) NOT NULL,
      `group_id` varchar(128) NOT NULL,
      `app_name` varchar(128) DEFAULT NULL COMMENT 'app_name',
      `content` longtext NOT NULL,
      `md5` varchar(32) DEFAULT NULL,
      `gmt_create` datetime NOT NULL DEFAULT '2010-05-05 00:00:00',
      `gmt_modified` datetime NOT NULL DEFAULT '2010-05-05 00:00:00',
      `src_user` text,
      `src_ip` varchar(20) DEFAULT NULL,
      `op_type` char(10) DEFAULT NULL,
      `tenant_id` varchar(128) DEFAULT '' COMMENT '租户字段',
      PRIMARY KEY (`nid`),
      KEY `idx_gmt_create` (`gmt_create`),
      KEY `idx_gmt_modified` (`gmt_modified`),
      KEY `idx_did` (`data_id`)
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='多租户改造';
     
     
    /******************************************/
    /* 数据库全名 = nacos_config */
    /* 表名称 = tenant_capacity */
    /******************************************/
    CREATE TABLE `tenant_capacity` (
      `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT COMMENT '主键ID',
      `tenant_id` varchar(128) NOT NULL DEFAULT '' COMMENT 'Tenant ID',
      `quota` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '配额，0表示使用默认值',
      `usage` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '使用量',
      `max_size` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '单个配置大小上限，单位为字节，0表示使用默认值',
      `max_aggr_count` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '聚合子配置最大个数',
      `max_aggr_size` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '单个聚合数据的子配置大小上限，单位为字节，0表示使用默认值',
      `max_history_count` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '最大变更历史数量',
      `gmt_create` datetime NOT NULL DEFAULT '2010-05-05 00:00:00' COMMENT '创建时间',
      `gmt_modified` datetime NOT NULL DEFAULT '2010-05-05 00:00:00' COMMENT '修改时间',
      PRIMARY KEY (`id`),
      UNIQUE KEY `uk_tenant_id` (`tenant_id`)
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='租户容量信息表';
     
     
    CREATE TABLE `tenant_info` (
      `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT 'id',
      `kp` varchar(128) NOT NULL COMMENT 'kp',
      `tenant_id` varchar(128) default '' COMMENT 'tenant_id',
      `tenant_name` varchar(128) default '' COMMENT 'tenant_name',
      `tenant_desc` varchar(256) DEFAULT NULL COMMENT 'tenant_desc',
      `create_source` varchar(32) DEFAULT NULL COMMENT 'create_source',
      `gmt_create` bigint(20) NOT NULL COMMENT '创建时间',
      `gmt_modified` bigint(20) NOT NULL COMMENT '修改时间',
      PRIMARY KEY (`id`),
      UNIQUE KEY `uk_tenant_info_kptenantid` (`kp`,`tenant_id`),
      KEY `idx_tenant_id` (`tenant_id`)
    ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='tenant_info';
     
    CREATE TABLE users (
        username varchar(50) NOT NULL PRIMARY KEY,
        password varchar(500) NOT NULL,
        enabled boolean NOT NULL
    );
     
    CREATE TABLE roles (
        username varchar(50) NOT NULL,
        role varchar(50) NOT NULL
    );
     
    INSERT INTO users (username, password, enabled) VALUES ('nacos', '$2a$10$EuWPZHzz32dJN7jexM34MOeYirDdFAZm2kuWj7VEOJhhZkDrxfvUu', TRUE);
     
    INSERT INTO roles (username, role) VALUES ('nacos', 'ROLE_ADMIN');

##### 2）、nacos-server-1.1.4\\nacos\\conf目录下找到application.properties #####

spring.datasource.platform=mysql
     
    db.num=1
    db.url.0=jdbc:mysql://11.162.196.16:3306/nacos_devtest?characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true
    db.user=nacos_devtest
    db.password=youdontknow
     
    ##################################################
     
    spring.datasource.platform=mysql
     
    db.num=1
    db.url.0=jdbc:mysql://localhost:3306/nacos_config?characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true
    db.user=root
    db.password=123456

##### ③、启动nacos，可以看到是个全新的空记录界面，以前是记录进derby #####

## 下一篇：[SpringCloud Hoxton版 + SpringCloud alibaba学习笔记（10）-- Linux版Nacos+MySQL生产环境配置][SpringCloud Hoxton_ _ SpringCloud alibaba_10_-- Linux_Nacos_MySQL] ##

[SpringCloud Hoxton_ _ SpringCloud alibaba_8_-- SpringCloud Alibaba]: https://blog.csdn.net/exodus3/article/details/111771395
[https_github.com_alibaba_Nacos]: https://github.com/alibaba/Nacos
[https_nacos.io_zh-cn_index.html]: https://nacos.io/zh-cn/index.html
[https_spring-cloud-alibaba-group.github.io_github-pages_greenwich_spring-cloud-alibaba.html_spring_cloud_alibaba_nacos_discovery]: https://spring-cloud-alibaba-group.github.io/github-pages/greenwich/spring-cloud-alibaba.html#_spring_cloud_alibaba_nacos_discovery
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[https_github.com_alibaba_nacos_releases_tag_1.1.4]: https://github.com/alibaba/nacos/releases/tag/1.1.4
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[20201228220428269.png]: https://img-blog.csdnimg.cn/20201228220428269.png
[20201228220917653.png]: https://img-blog.csdnimg.cn/20201228220917653.png
[https_nacos.io_zh-cn_docs_quick-start-spring-cloud.html]: https://nacos.io/zh-cn/docs/quick-start-spring-cloud.html
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[https_nacos.io_zh-cn_docs_cluster-mode-quick-start.html]: https://nacos.io/zh-cn/docs/cluster-mode-quick-start.html
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[20210104231558248.png]: https://img-blog.csdnimg.cn/20210104231558248.png
[https_nacos.io_zh-cn_docs_deployment.html]: https://nacos.io/zh-cn/docs/deployment.html
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[https_github.com_alibaba_nacos_blob_develop_config_pom.xml]: https://github.com/alibaba/nacos/blob/develop/config/pom.xml
[SpringCloud Hoxton_ _ SpringCloud alibaba_10_-- Linux_Nacos_MySQL]: https://blog.csdn.net/exodus3/article/details/112253769