springcloudAlibaba之nacos（2.X版本）注册中心和配置中心使用实战流程

女爷i 2022-12-20 08:47 201阅读 0赞

一、下载nacos服务端：

访问：[https://nacos.io/][https_nacos.io]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70][]

进入下载源码和服务端程序的地方：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 1][]

往下翻：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 2][]

点击：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 3][]

往下看翻，找到服务 下载的地方，这是最新的  版本，后面还有其他版本：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 4][]

下载后解压配置，连接mysql 执行初始化脚本：nacos\\conf\\nacos-mysql.sql  数据库脚本文件。

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 5][]

客户端执行：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 6][]

生成表：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 7][]

配置数据库信息  \\nacos\\conf\\application.properties  目录 文件下添加：

spring.datasource.platform=mysql
    db.num=1 
    db.url.0=jdbc:mysql://10.130.16.246:3019/ZIPKIN?characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true 
    db.user.0=mysql
    db.password.0=mysql

如图：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 8][]

也可，亲测OK：

#
    # Copyright 1999-2018 Alibaba Group Holding Ltd.
    #
    # Licensed under the Apache License, Version 2.0 (the "License");
    # you may not use this file except in compliance with the License.
    # You may obtain a copy of the License at
    #
    #      http://www.apache.org/licenses/LICENSE-2.0
    #
    # Unless required by applicable law or agreed to in writing, software
    # distributed under the License is distributed on an "AS IS" BASIS,
    # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    # See the License for the specific language governing permissions and
    # limitations under the License.
    #
    
    #*************** Spring Boot Related Configurations ***************#
    ### Default web context path:
    #server.servlet.contextPath=/nacos
    ### Default web server port:
    #server.port=8848
    
    #*************** Network Related Configurations ***************#
    ### If prefer hostname over ip for Nacos server addresses in cluster.conf:
    # nacos.inetutils.prefer-hostname-over-ip=false
    
    ### Specify local server's IP:
    nacos.inetutils.ip-address=
    
    
    #*************** Config Module Related Configurations ***************#
    ### If use MySQL as datasource:
    # spring.datasource.platform=mysql
    
    ### Count of DB:
    # db.num=1
    
    ### Connect URL of DB:
    # db.url.0=jdbc:mysql://127.0.0.1:3306/nacos?characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true&useUnicode=true&useSSL=false&serverTimezone=UTC
    # db.user=nacos
    # db.password=nacos
    
    
    #*************** Naming Module Related Configurations ***************#
    ### Data dispatch task execution period in milliseconds:
    # nacos.naming.distro.taskDispatchPeriod=200
    
    ### Data count of batch sync task:
    # nacos.naming.distro.batchSyncKeyCount=1000
    
    ### Retry delay in milliseconds if sync task failed:
    # nacos.naming.distro.syncRetryDelay=5000
    
    ### If enable data warmup. If set to false, the server would accept request without local data preparation:
    # nacos.naming.data.warmup=true
    
    ### If enable the instance auto expiration, kind like of health check of instance:
    # nacos.naming.expireInstance=true
    
    nacos.naming.empty-service.auto-clean=true
    nacos.naming.empty-service.clean.initial-delay-ms=50000
    nacos.naming.empty-service.clean.period-time-ms=30000
    
    
    #*************** CMDB Module Related Configurations ***************#
    ### The interval to dump external CMDB in seconds:
    # nacos.cmdb.dumpTaskInterval=3600
    
    ### The interval of polling data change event in seconds:
    # nacos.cmdb.eventTaskInterval=10
    
    ### The interval of loading labels in seconds:
    # nacos.cmdb.labelTaskInterval=300
    
    ### If turn on data loading task:
    # nacos.cmdb.loadDataAtStart=false
    
    
    #*************** Metrics Related Configurations ***************#
    ### Metrics for prometheus
    #management.endpoints.web.exposure.include=*
    
    ### Metrics for elastic search
    management.metrics.export.elastic.enabled=false
    #management.metrics.export.elastic.host=http://localhost:9200
    
    ### Metrics for influx
    management.metrics.export.influx.enabled=false
    #management.metrics.export.influx.db=springboot
    #management.metrics.export.influx.uri=http://localhost:8086
    #management.metrics.export.influx.auto-create-db=true
    #management.metrics.export.influx.consistency=one
    #management.metrics.export.influx.compressed=true
    
    
    #*************** Access Log Related Configurations ***************#
    ### If turn on the access log:
    server.tomcat.accesslog.enabled=true
    
    ### The access log pattern:
    server.tomcat.accesslog.pattern=%h %l %u %t "%r" %s %b %D %{User-Agent}i %{Request-Source}i
    
    ### The directory of access log:
    server.tomcat.basedir=
    
    
    #*************** Access Control Related Configurations ***************#
    ### If enable spring security, this option is deprecated in 1.2.0:
    #spring.security.enabled=false
    
    ### The ignore urls of auth, is deprecated in 1.2.0:
    nacos.security.ignore.urls=/,/error,/**/*.css,/**/*.js,/**/*.html,/**/*.map,/**/*.svg,/**/*.png,/**/*.ico,/console-fe/public/**,/v1/auth/**,/v1/console/health/**,/actuator/**,/v1/console/server/**
    
    ### The auth system to use, currently only 'nacos' is supported:
    nacos.core.auth.system.type=nacos
    
    ### If turn on auth system:
    nacos.core.auth.enabled=false
    
    ### The token expiration in seconds:
    nacos.core.auth.default.token.expire.seconds=18000
    
    ### The default token:
    nacos.core.auth.default.token.secret.key=SecretKey012345678901234567890123456789012345678901234567890123456789
    
    ### Turn on/off caching of auth information. By turning on this switch, the update of auth information would have a 15 seconds delay.
    nacos.core.auth.caching.enabled=true
    
    
    #*************** Istio Related Configurations ***************#
    ### If turn on the MCP server:
    nacos.istio.mcp.server.enabled=false
    
    
    
    ###*************** Add from 1.3.0 ***************###
    
    
    #*************** Core Related Configurations ***************#
    
    ### set the WorkerID manually
    # nacos.core.snowflake.worker-id=
    
    ### Member-MetaData
    # nacos.core.member.meta.site=
    # nacos.core.member.meta.adweight=
    # nacos.core.member.meta.weight=
    
    ### MemberLookup
    ### Addressing pattern category, If set, the priority is highest
    # nacos.core.member.lookup.type=[file,address-server]
    ## Set the cluster list with a configuration file or command-line argument
    # nacos.member.list=192.168.16.101:8847?raft_port=8807,192.168.16.101?raft_port=8808,192.168.16.101:8849?raft_port=8809
    ## for AddressServerMemberLookup
    # Maximum number of retries to query the address server upon initialization
    # nacos.core.address-server.retry=5
    ## Server domain name address of [address-server] mode
    # address.server.domain=jmenv.tbsite.net
    ## Server port of [address-server] mode
    # address.server.port=8080
    ## Request address of [address-server] mode
    # address.server.url=/nacos/serverlist
    
    #*************** JRaft Related Configurations ***************#
    
    ### Sets the Raft cluster election timeout, default value is 5 second
    # nacos.core.protocol.raft.data.election_timeout_ms=5000
    ### Sets the amount of time the Raft snapshot will execute periodically, default is 30 minute
    # nacos.core.protocol.raft.data.snapshot_interval_secs=30
    ### raft internal worker threads
    # nacos.core.protocol.raft.data.core_thread_num=8
    ### Number of threads required for raft business request processing
    # nacos.core.protocol.raft.data.cli_service_thread_num=4
    ### raft linear read strategy. Safe linear reads are used by default, that is, the Leader tenure is confirmed by heartbeat
    # nacos.core.protocol.raft.data.read_index_type=ReadOnlySafe
    ### rpc request timeout, default 5 seconds
    # nacos.core.protocol.raft.data.rpc_request_timeout_ms=5000
    
    spring.datasource.platform=mysql
    #db.num=1 
    #db.url.0=jdbc:mysql://10.130.16.2466:305199/ZIPKIN?characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true 
    #db.user.0=mysql
    #db.password.0=mysql
    
    
    server.contextPath=/nacos
    server.servlet.contextPath=/nacos
    server.port=8858
    
    
    db.num=1
    db.url.0=jdbc:mysql://10.130.16.2466:305199/ZIPKIN?characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true
    db.user=mysql
    db.password=mysql

**启动nacos服务：**

nacos\\bin\\startup.cmd    双击“startup.cmd”启动nocas服务

*这种启动方式同样有弊端，在关闭命令窗口后nacos进程会直接shutdown，导致服务停止。  
解决方法：  
新建一个记事本，输入如下代码：*

Set ws = CreateObject("Wscript.Shell")  
ws.run "cmd /c startup.cmd",vhhide

把记录本文件命名：\*\*\*.vbs 如 runbat.vbs，然后双击运行runbat.vbs文件

启动成功：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 9][]

如果是1.4版本 还需要设置单机启动，配置文件 nacos\\conf\\application.properties 改成如下图这样 ：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 10][]

访问如下地址：

[http://172.21.12.11:8848/nacos/index.html][http_172.21.12.11_8848_nacos_index.html]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 11][]

用户名和密码 均为：nacos ,s首次登陆页面：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 12][]

创建命名空间：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 13][]

成功生成：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 14][]

配置列表里出现：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 15][]

创建配置列表：这是配置中心  配置内容具体写：！！！！

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 16][]

点击发布按钮后，返回后显示列表：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 17][]

此时可以在对应的客户端项目中 配置：bootstrap.yml

spring:
      profiles:
        #Data Id 的后缀 即此处  nandao-demo-dev.yml的 dev（最后一个横杆和点之前的字符串）
        active: dev
      application:
        #微服务名称
        name: nandao-oms
      cloud:
        nacos:
          config:
            #自定义配置
            #nacos服务器的地址
            server-addr: 172.21.12.11:8848
            #nacos服务器的命名空间
            namespace: cee09d5e-e6ad-4c68-847c-733ed2246bbb
            #组别
            group: nandao
            #配置文件类型
            file-extension: yml
            #Data Id 的前缀 即此处  nandao-demo-dev.yml的前缀
            prefix: nandao-demo
          #注册中心配置
          discovery:
            server-addr: 172.21.12.11:8848
            namespace: cee09d5e-e6ad-4c68-847c-733ed2246bbb

服务列表看是否注册成功：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 18][]

并且可以创建多个命名空间：同时可以从一个 克隆的另一个：举例

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 19][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 20][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 21][]

克隆成功：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 22][]

导出功能：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 23][]

这就是web端简单的使用

二、客户端流程：

1、jar引入：

<dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
                <version>2.1.1.RELEASE</version>
            </dependency>
            <dependency>
                <groupId>com.alibaba.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
                <version>2.1.1.RELEASE</version>
            </dependency>

2、启动类加注解：@EnableDiscoveryClient

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 24][]

3、 配置文件创建（上面也有详细的介绍）：bootstrap.yml

spring:
      profiles:
    #    active: dev
        active: local
      application:
        name: admin-oms
      cloud:
        nacos:
          config:
            #自定义配置
    #        server-addr: 10.130.64.189:8848
            server-addr: 10.130.64.189:8848
            namespace: bab5e416-0b7d-4cef-b421-d06b6d0f4c67
            group: nmp-oms
            file-extension: yml
            prefix: nmp-oms
    
          discovery:
            server-addr: 10.130.64.189:8848
            namespace: bab5e416-0b7d-4cef-b421-d06b6d0f4c67
    #        server-addr: 10.130.64.189:8848
    #        namespace: a1ed9d55-3917-46e4-93fd-30232ff50545

启动后：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L25hbmRhbzE1OA_size_16_color_FFFFFF_t_70 25][]

[springcloud相关版本对应介绍][springcloud]

[https_nacos.io]: https://nacos.io/
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[http_172.21.12.11_8848_nacos_index.html]: http://172.21.12.11:8848/nacos/index.html
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[springcloud]: https://thinkingcao.blog.csdn.net/article/details/105652632