һ NacosעԴ

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1.1 Դ뷽ʽ

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ͻԴӴʽԴ

<plugin> <groupId>org.apache.maven.plugins</groupId> maven-source-plugin <version>3.2.1</version> <configuration> true </configuration> <executions> <execution> <phase>compile</phase> <goals> <goal>jar</goal> </goals> </execution> </executions> </plugin>

Ȼ

mvn install -DskipTests

1.2

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github.com/alibaba/nac

ǻԴǻͨԴķʽ ͨdebugķʽжй̡

ǴԴĽǶһ£ϱעģ

NacosNamingService Ƿעͷص࣬ｫǰķעʵķǿһʲôˣ


ƴһЩhttp󣬵עĽз֣ľ·

ǶӦ·ǻصٷĵָϵ

nacos.io/zh-cn/docs/

ãǽͲ濴ˣǿԵȥһ£

ĵø

е

ͬѧô֪ϵʹﵽǿһ鿴Դ·ǿһǶ΢·ҪnacosķֹܣҪǵdiscoveryİһstarterǰѧspringboot֪κstarterһиspring.factoriesΪһ

涯̬صܶ࣬NacosServiceRegistryAutoConfiguration ܷһnacosעԶ࣬

ʵ࣬ǿһNacosAUtoServiceRegistration

Զע࣬ǿԿһļɹϵһApplicationListener springɺ󶼻ᷢһϢapplicaitonListenerͨϢȻִеġ֪һӦô

Բ鿴ijࡣ

鿴onApplicationEventڷͻᷢһϢյϢͻbind

иif return ǾֱһǷ֧룬ķ֧ǾͲҪһ ҪߣֱӿstartûжӦĴ߼ǿԽ֧ ãstart, begininitregisterǺҪķһҪȥ

һifͲÿڶifҪΪû߼㿴register()ӦþΪDz鿴ע̡

Ҫ֪SpringBootԶװĻ֪ʶҪ֪Springֵ ֪ʶ

1.3 ע

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Nacos߲֧첽ڴ

ղڷṩ潲ݣǷעһ

instanceʵһspringmvccontrollerǿȫ ControllerinstanceʵɣInstanceController

֮ǰõpostDz鿴postdelete,update...,ʲô restFul

ǷûжӦDefaultGroupڷעͷֵgroupDzõġõĻֻԼĹ淶ͷġڷעͷԴжûáռ䣬ȻDzתΪʵǷģеģ͡

ǿһעʵʲô עעinstanceǾΧзDzǾaddInstance

createEmptyService

1ȡservice λȡһΪգǿԽȥһ

עǰ˵nacosģ͡ԲοͼmapǶӦע

÷ͳʼ

ʼ

ǸscheduleNamingHealthһʱֻҪһtaskͿ

taskҪһrun

ǿǻȡеʵԵȥһ¡

ǰʱ - ϴʱ 15 ʵΪǽ 30ûյֱ޳

ãǻرãcreateEmtyServiceǴһշ񣬺ǵʵDzǻעᵽ棬

ǿԿһ·ģͣǰ˵һ

ռ cluster Ⱥ

ȺжӦʵ

ǿһaddinstance

Ӧkey:

String key = KeyBuilder.buildInstanceListKey(namespaceId, serviceName, ephemeral);

//ȡעʵIP˿б List<Instance> instanceList = addIpAddresses(service, ephemeral, ips);

ǽ򵥵Ŀһ£Ƿadd,removeƳʵ

ҪдעipsǾ͵ipsʾȻѭinstanceǿԿƳʹmapƳȥinstanceMapһ£ڷء

࣬ǿԲ²һ£debugȥȻ࣬ǵһ£ĵط

ָƣ

ãȫһ£

֪ǰ˵ephemeraltrueѡһ ʣ

ӦõEphemeralConsistencyServiceӦputEphemeralConsistencyServiceֻһӿڣӦõöӦʵʵ

ǿһonput

ڷŵУ

ǰѺĵŵblockquene棬Ҳһ

עĹ̾ô򵥣һսע󣬷ŵǵеУŵɫ֮оͷˡǷŵ֮зС

עNotifierһ̣߳ʦһɣһ߳̾ҪrunΪrun ִдĵط

ѭݴϵĴͻעϢʵֺ첽עϢ

̻߳һֱתһֱУ˵͹ҵˣã㿴쳣ҲԵˣһֱУûócpu

עṹķ

ȵǸchangeʱǾͽonChangeǸǽserviceȥ

ͲÿˣȿȨأȨشڶٵʱֵȨСڶٵʱһСֵȻǺĵķupdateIP

updateIPsʲôأ ľұҪעʵȻͷŵǵclusterMap

ǵҿܾˣʲôʱ̣߳ʵʱϢأ ̴һڿŸNotifierΪһ̣߳ᶪһ̳߳нУǿһʵģ

ǿעǵspringһгʼ֮еõģǿһinitʲô

һScheduled̳߳أ


Ҳڶʼʱͽһ̳߳أȥnotifierӦķrunrunġͻʵʱ첽СдĺôǽдʹȫˡͨܵڴУ飬ĺô1

ο

https://lijunyi.xyz/docs/SpringCloud/SpringCloud.html#_2-2-x-%E5%88%86%E6%94%AF https://mp.weixin.qq.com/s/2jeovmj77O9Ux96v3A0NtA https://juejin.cn/post/6931922457741770760 https://github.com/D2C-Cai/herring http://c.biancheng.net/springcloud https://github.com/macrozheng/springcloud-learning