How to use Nacos
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The functions that Nacos can achieve: service registration and discovery, configuration management, service management, these functions in the native Spring Cloud components are Eureka, Spring Cloud Config Server, Spring actuator. Let's take a look at how Nacos implements these functions through practice. The practice part of this paper is divided into several steps:
Deploy Nacos
Build micro-service applications and access Nacos
Deploy Nacos (for Linux environment below)
Download the latest release version from the official source repository Github
Wget https://github.com/alibaba/nacos/releases/download/0.9.0/nacos-server-0.9.0.tar.gz
Extract the corresponding tar packet
Tar-zxvf nacos-server-0.9.0.tar.gz
Start Nacos
Cd. / nacos/bin;sh startup.sh-m standalone
You can see the corresponding terminal log consle log
/ usr/lib/jvm/java-1.8.0-openjdk-1.8.0.201.b09-2.el7_6.x86_64/bin/java-Xms512m-Xmx512m-Xmn256m-Dnacos.standalone=true-Djava.ext.dirs=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.201.b09-2.el7_6.x86_64/jre/lib/ext:/usr/lib/jvm/java-1.8.0-openjdk-1.8 .0.201.b09-2.el7_6.x86_64/lib/ext:/tmp/nacos/plugins/cmdb-Xloggc:/tmp/nacos/logs/nacos_gc.log-verbose:gc-XX:+PrintGCDetails-XX:+PrintGCDateStamps-XX:+PrintGCTimeStamps-XX:+UseGCLogFileRotation-XX:NumberOfGCLogFiles=10-XX:GCLogFileSize=100M-Dnacos.home=/tmp/nacos-jar / tmp/nacos/target/nacos-server.jar-- spring.config.location=classpath:/ Classpath:/config/,file:./,file:./config/,file:/tmp/nacos/conf/-- logging.config=/tmp/nacos/conf/nacos-logback.xmlnacos is starting. ,--.'|,--,:: | Nacos 0.9.0, `- .` |':,--. Running in stand alone mode, All function modules |:: | |','\. Port: 8848:\ |:,. -.--. / / | / 'Pid: 31401 |:'; | /\ /. ;,. : |: / `. / Console: http://172.16.0.16:8848/nacos/index.html';. | / /'| |:: |; _ | |\ |\ _\ /:. .. '/' |.;:\'. Https://nacos.io': |;.', ". -;; |';: _ _ |: | `-. \ | |'`- -'/ /,. |'|'.'|\ / `- -'/': |;:.'::` -'. /; |. |. /\ / `-'-'- -'. 2019-03-10 17 with context path 2814 02006 INFO Tomcat started on port (s): 8848 (http) with context path'/ nacos'
2019-03-10 17 2815 02058 INFO Nacos Log files: / tmp/nacos/logs/
2019-03-10 17 2815 02058 INFO Nacos Conf files: / tmp/nacos/conf/
2019-03-10 17 2815 02058 INFO Nacos Data files: / tmp/nacos/data/
2019-03-10 17 INFO Nacos started successfully in stand alone mode 2815 02058.
2019-03-10 17 2803267 INFO Initializing Servlet' dispatcherServlet'
2019-03-10 17 2815 03321 INFO Completed initialization in 53 ms
The above log can see that Nacos has been started, then log in to the Nacos console
The default http://ip:8488/nacos/index.html account is nacos/nacos.
The following figure shows a default console interface without any service instance registration. On the left side of the figure, Nacos can implement basic configuration center functions (configuration monitoring, historical version, monitoring query) and service registration management.
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