nacos 入门配置学习
source link: http://www.hechunbo.com/index.php/archives/323.html
Go to the source link to view the article. You can view the picture content, updated content and better typesetting reading experience. If the link is broken, please click the button below to view the snapshot at that time.
nacos
网址https://nacos.io/zh-cn/docs/quick-start.html
推荐在linux中部署
nacos是什么
Nacos 致力于帮助您发现、配置和管理微服务。Nacos 提供了一组简单易用的特性集,帮助您快速实现动态服务发现、服务配置、服务元数据及流量管理。
Nacos 帮助您更敏捷和容易地构建、交付和管理微服务平台。 Nacos 是构建以“服务”为中心的现代应用架构 (例如微服务范式、云原生范式) 的服务基础设施。
要保持linux机器上已经先安装了jdk和maven
1.linux 安装maven
官网下载http://maven.apache.org/download.cgi
下载地址:
https://mirrors.bfsu.edu.cn/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz
如果是linux 服务器
直接centos下用wget直接下载
[root@bogon ~]# wget https://mirrors.bfsu.edu.cn/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz
解压到 /opt/目录
[root@bogon ~]# tar zxvf apache-maven-3.6.3-bin.tar.gz -C /opt/
编辑环境变量
[root@bogon ~]# vim /etc/profile
运行以上命令以后,在最后添加如下两行
export M2_HOME=/opt/apache-maven-3.6.3
export PATH=$PATH:$M2_HOME/bin
让配置生效
[root@bogon ~]# source /etc/profile
source命令解释
source命令:
source命令也称为“点命令”,也就是一个点符号(.)。source命令通常用于重新执行刚修改的初始化文件,使之立即生效,而不必注销并重新登录。
用法:
source filename 或 . filename
参考:http://blog.sina.com.cn/s/blog_608740170100wyar.html
验证是否安装完成
看到提示apache maven 3.6.3 表示 安装完成
[root@bogon ~]# mvn -version
Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
Maven home: /opt/apache-maven-3.6.3
Java version: 1.8.0_211, vendor: Oracle Corporation, runtime: /usr/local/jdk1.8.0_211/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.10.0-862.el7.x86_64", arch: "amd64", family: "unix"
[root@bogon ~]#
安装配置nacos
参考:https://nacos.io/zh-cn/docs/quick-start.html
1.通过源码配置
git clone https://github.com/alibaba/nacos.git
cd nacos/
mvn -Prelease-nacos -Dmaven.test.skip=true clean install -U
ls -al distribution/target/
// change the $version to your actual path
cd distribution/target/nacos-server-$version/nacos/bin
不知道为啥虚拟机这么慢,看别人的一分钟,我的23分钟,最后还报错了
[INFO] Building zip: /root/nacos/distribution/target/nacos-server-1.4.0-SNAPSHOT.zip
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for Alibaba NACOS 1.4.0-SNAPSHOT 1.4.0-SNAPSHOT:
[INFO]
[INFO] Alibaba NACOS 1.4.0-SNAPSHOT ....................... SUCCESS [07:05 min]
[INFO] nacos-api 1.4.0-SNAPSHOT ........................... SUCCESS [01:57 min]
[INFO] nacos-common 1.4.0-SNAPSHOT ........................ SUCCESS [ 45.530 s]
[INFO] nacos-consistency 1.4.0-SNAPSHOT ................... SUCCESS [ 37.486 s]
[INFO] nacos-auth 1.4.0-SNAPSHOT .......................... SUCCESS [ 50.616 s]
[INFO] nacos-core 1.4.0-SNAPSHOT .......................... SUCCESS [03:13 min]
[INFO] nacos-config 1.4.0-SNAPSHOT ........................ SUCCESS [01:48 min]
[INFO] nacos-cmdb 1.4.0-SNAPSHOT .......................... SUCCESS [ 4.583 s]
[INFO] nacos-naming 1.4.0-SNAPSHOT ........................ SUCCESS [01:03 min]
[INFO] nacos-address 1.4.0-SNAPSHOT ....................... SUCCESS [ 12.282 s]
[INFO] nacos-client 1.4.0-SNAPSHOT ........................ SUCCESS [ 31.869 s]
[INFO] nacos-istio 1.4.0-SNAPSHOT ......................... SUCCESS [ 19.682 s]
[INFO] nacos-console 1.4.0-SNAPSHOT ....................... SUCCESS [01:39 min]
[INFO] nacos-test 1.4.0-SNAPSHOT .......................... SUCCESS [ 10.133 s]
[INFO] nacos-example 1.4.0-SNAPSHOT ....................... SUCCESS [ 4.220 s]
[INFO] nacos-distribution 1.4.0-SNAPSHOT .................. FAILURE [ 30.182 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 21:38 min
[INFO] Finished at: 2020-09-17T10:08:27+08:00
[INFO] ------------------------------------------------------------------------
error信息如下:
nacos-distribution: Failed to create assembly: Error creating assembly archive server-1.4.0-SNAPSHOT: Problem creating zip
先不管错误 继续往下走
[root@bogon nacos]# ls -al distribution/target/
total 73892
drwxr-xr-x. 4 root root 204 Sep 17 10:08 .
drwxr-xr-x. 5 root root 249 Sep 17 10:07 ..
drwxr-xr-x. 2 root root 6 Sep 17 10:08 archive-tmp
-rw-r--r--. 1 root root 86 Sep 17 10:07 checkstyle-cachefile
-rw-r--r--. 1 root root 9774 Sep 17 10:07 checkstyle-checker.xml
-rw-r--r--. 1 root root 81 Sep 17 10:07 checkstyle-result.xml
drwxr-xr-x. 3 root root 19 Sep 17 10:08 nacos-server-1.4.0-SNAPSHOT
-rw-r--r--. 1 root root 75637869 Sep 17 10:08 nacos-server-1.4.0-SNAPSHOT.tar.gz
-rw-r--r--. 1 root root 1636 Sep 17 10:07 rat.txt
[root@bogon nacos]# cd distribution/target/nacos-server-1.4.0-SNAPSHOT/nacos/bin/
启动服务器
[root@bogon bin]# sh startup.sh -m standalone
/usr/local/jdk1.8.0_211/bin/java -Xms512m -Xmx512m -Xmn256m -Dnacos.standalone=true -Dnacos.member.list= -Djava.ext.dirs=/usr/local/jdk1.8.0_211/jre/lib/ext:/usr/local/jdk1.8.0_211/lib/ext -Xloggc:/root/nacos/distribution/target/nacos-server-1.4.0-SNAPSHOT/nacos/logs/nacos_gc.log -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+PrintGCTimeStamps -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=100M -Dloader.path=/root/nacos/distribution/target/nacos-server-1.4.0-SNAPSHOT/nacos/plugins/health,/root/nacos/distribution/target/nacos-server-1.4.0-SNAPSHOT/nacos/plugins/cmdb -Dnacos.home=/root/nacos/distribution/target/nacos-server-1.4.0-SNAPSHOT/nacos -jar /root/nacos/distribution/target/nacos-server-1.4.0-SNAPSHOT/nacos/target/nacos-server.jar --spring.config.location=classpath:/,classpath:/config/,file:./,file:./config/,file:/root/nacos/distribution/target/nacos-server-1.4.0-SNAPSHOT/nacos/conf/ --logging.config=/root/nacos/distribution/target/nacos-server-1.4.0-SNAPSHOT/nacos/conf/nacos-logback.xml --server.max-http-header-size=524288
nacos is starting with standalone
nacos is starting锛.ou can check the /root/nacos/distribution/target/nacos-server-1.4.0-SNAPSHOT/nacos/logs/start.out
有错误 ,去查看start.out
无法加载内置的tomcat
org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:157)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:540)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
查看配置 ,把mysql的默认连接打开
找到mysql的地方,把前面的#去掉
2.也可以直接下载编译好的release包
https://github.com/alibaba/nacos/releases
下载tar.gz格式的直接用.
解压后直接运行以下命令启动
sh startup.sh -m standalone
standalone代表着单机模式运行,非集群模式
启动以后运行以下命令,进行服务注册,时间会有点长
[root@localhost bin]# curl -X POST 'http://127.0.0.1:8848/nacos/v1/ns/instance?serviceName=nacos.naming.serviceName&ip=20.18.7.10&port=8080'
ok[root@localhost bin]#
在服务注册成功以后,运行以下注册 ,进行服务发现
[root@localhost bin]# curl -X GET 'http://127.0.0.1:8848/nacos/v1/ns/instance/list?serviceName=nacos.naming.serviceName'
{"dom":"nacos.naming.serviceName","hosts":[],"name":"DEFAULT_GROUP@@nacos.naming.serviceName","cacheMillis":3000,"lastRefTime":1600322889354,"checksum":"7f882d81002bc22181203d423a20a16d","useSpecifiedURL":false,"clusters":"","env":"","metadata":{}}[root@localhost bin]#
curl -X POST "http://127.0.0.1:8848/nacos/v1/cs/configs?dataId=nacos.cfg.dataId&group=test&content=HelloWorld"
curl是做什么的
参考:https://man.linuxde.net/curl
curl命令是一个利用URL规则在命令行下工作的文件传输工具。它支持文件的上传和下载,所以是综合传输工具,但按传统,习惯称curl为下载工具。作为一款强力工具,curl支持包括HTTP、HTTPS、ftp等众多协议,还支持POST、cookies、认证、从指定偏移处下载部分文件、用户代理字符串、限速、文件大小、进度条等特征。做网页处理流程和数据检索自动化,curl可以祝一臂之力。
-X/--request <command> 指定什么命令
-bash: mvn: command not found
解决Docker容器应用中mvn: command not found的问题
参考:https://www.jianshu.com/p/8792b0d07568 相关不符合
Recommend
About Joyk
Aggregate valuable and interesting links.
Joyk means Joy of geeK