---- 正文 ServerList 该接口定义了获取服务器列表的方法。 = new ConfigurationBasedServerList(); serverList.initWithNiwsConfig(config); serverList.getInitialListOfServers = new ConfigurationBasedServerList(); serverList.initWithNiwsConfig(config); serverList.getInitialListOfServers = new ConfigurationBasedServerList(); serverList.initWithNiwsConfig(config); serverList.getInitialListOfServers ServerList#getInitialListOfServers方法无任何地方调用，ServerList#getUpdatedListOfServers方法的唯一调用处是：DynamicServerListLoadBalancer
)) { this.serverList = Arrays.asList(serverList.split(",")); if (this.serverList.size CollectionUtils.isEmpty(serverList)) { NAMING_LOGGER.debug("server list provided by user : " + serverList); return; } if (System.currentTimeMillis() 及lastSrvRefTime getServerListFromEndpoint方法会向endpoint请求/serverlist接口，获取server端返回的serverList NamingProxy.getServiceList CollectionUtils.isEmpty(serverList)) { snapshot = serverList; } return reqAPI
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IClientConfig DefaultClientConfigImpl 管理配置接口 IRule ZoneAvoidanceRule 均衡策略接口 IPing DummyPing 检查服务可用性接口 ServerList , this.name)) { return (ServerList)this.propertiesFactory.get(ServerList.class, config, this.name (); serverList.initWithNiwsConfig(config); return serverList; } } <Server> serverList, ServerListFilter<Server> serverListFilter, IRule rule, IPing ping, ServerListUpdater <T> serverList, ServerListFilter<T> filter, ServerListUpdater
empty") } securityLogin := security.NewAuthClient(clientCfg, serverList, httpAgent) ns := NacosServer{ serverList: serverList, securityLogin: securityLogin, ] server list is updated, old: <%v>,new:<%v> \n", server.serverList, servers) server.serverList ，然后判断serverList是否变更，变更的话则更新serverList及lastSrvRefTime GetServerList nacos-sdk-go-v0.3.2/common/nacos_server } GetServerList方法直接返回server.serverList 小结 NacosServer定义了securityLogin、serverList、httpAgent、timeoutMs
通过这一讲 我们来一探究竟 目录如下： EurekaClientAutoConfiguration.getLoadBalancer()回顾 再次梳理Ribbon初始化过程 ServerList实现类初始化过程 <T> serverList, ServerListFilter<T> filter, ServerListUpdater serverListUpdater) { super(clientConfig, rule, ping); this.serverListImpl = serverList 可以看到ServerList有四个实现类，这个到底是该调用哪个实现类的getUpdatedListOfServers()方法呢？接着往下看。 ServerList实现类初始化过程 上面已经梳理过 Ribbon初始化的过程，其中在EurekaRibbonClientConfiguration 会初始化RibbonServerList，代码如下：
] fail to get NACOS-server serverlist! = url; } @Override public void run() { /** * get serverlist ] failed to update serverlist from address server!" ] current serverlist from address server is empty!!!") ] serverlist updated to {}", name, serverUrls); } private List<String> getApacheServerList(
) > 0 { return manager.serverList } nacosServerList := os.Getenv("nacos_server_list" , old: ", manager.serverList, ", new: ", servers) } manager.serverList = servers ) NextServer() string { manager.RefreshServerListIfNeed() if len(manager.serverList) == 0 { panic("no nacos server avialible.") } return manager.serverList[rand.Intn(len(manager.serverList ))] } func (manager *ServerManager) SetServers(servers []string) { manager.serverList = servers
)) { this.serverList = Arrays.asList(serverList.split(",")); if (this.serverList.size CollectionUtils.isEmpty(serverList)) { NAMING_LOGGER.debug("server list provided by user : " + serverList); return; } if (System.currentTimeMillis() 及lastSrvRefTime getServerListFromEndpoint方法会向endpoint请求/serverlist接口，获取server端返回的serverList NamingProxy.getServiceList CollectionUtils.isEmpty(serverList)) { snapshot = serverList; } return
ServerList是ribbon-loadbalancer包下的类，并不是spring-cloud的接口，所以与spring-cloud的服务发现接口是没有关系的。 public class RibbonClientConfiguration { @Bean @ConditionalOnMissingBean public ServerList serverList = new ConfigurationBasedServerList(); serverList.initWithNiwsConfig(config); return serverList ); } serverList.initWithNiwsConfig(config); return serverList; } } 看到这我们就明白了，spring-cloud-kubernetes-ribbon 负责实现ribbon的服务列表接口ServerList<Server>。
xls' TOP_DIR = os.path.dirname(os.path.abspath(sys.argv[0])) HOSTFILE = os.path.join(TOP_DIR,'hosts') serverlist 平台网站":[1,3,5,6,7], #u"平台接口":[1,2,5,6,9], } def sheet_parse(excelfile,sheetname,rols): global serverlist sheet.cell_value(row,rols[3])), sheet.cell_value(row,rols[4]) ) serverlist.append sheetname,sheets[sheetname]) try: hostsfile = open(HOSTFILE,'w') hostsfile.writelines(serverlist
192.168.0.1主服务器上Nginx的配置方法： worker_processes 1; events { worker_connections 1024; } http { upstream serverlist 20s; } server { listen 80; server_name www.sunbloger.com; location / { proxy_pass http://serverlist remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; } } } 配置说明： upstream serverlist {}可以理解为一个服务器池，通过proxy_pass http://serverlist命令，可将访问www.sunbloger.com的请求分配给位于池内的服务器192.168.0.2和192.168.0.3
] fail to get NACOS-server serverlist! = url; } @Override public void run() { /** * get serverlist ] failed to update serverlist from address server!" ] current serverlist from address server is empty!!!") ] serverlist updated to {}", name, serverUrls); } private List<String> getApacheServerList(String
/bin/sh set -x #serverlist=`ls -l /usr/local/nginx/conf/vhost/*.conf | awk -F" " '{print $7}'` serverlist =`ls -l /usr/local/nginx/conf/vhost/*.conf | awk 'NR>2{print $NF}'` for i in $serverlist;do grep -ir "server_name" $serverlist | awk -F"server_name" '{print $2}' >> server.txt done sort -n server.txt
ping.initWithNiwsConfig(config); return ping; } } @Bean @ConditionalOnMissingBean public ServerList , this.serviceId)) { return (ServerList)this.propertiesFactory.get(ServerList.class, config, new DiscoveryEnabledNIWSServerList(config, eurekaClientProvider); DomainExtractingServerList serverList DomainExtractingServerList(discoveryServerList, config, this.approximateZoneFromHostname); return serverList CommonClientConfigKey.EnableZoneAffinity.key(), "true"); } 通过源码，可以看出，IPing的默认实现变成了NIWSDiscoveryPing，ServerList
empty") } securityLogin := security.NewAuthClient(clientCfg, serverList, httpAgent) ns := NacosServer{ serverList: serverList, securityLogin: securityLogin ] server list is updated, old: <%v>,new:<%v> \n", server.serverList, servers) server.serverList ，然后判断serverList是否变更，变更的话则更新serverList及lastSrvRefTime GetServerList nacos-sdk-go-v0.3.2/common/nacos_server } GetServerList方法直接返回server.serverList 小结 NacosServer定义了securityLogin、serverList、httpAgent、timeoutMs
，客户端配置，服务列表等，其中最重要的就是如何获取和更新服务列表 @ConditionalOnMissingBean @SuppressWarnings("unchecked") public ServerList <Server> ribbonServerList(IClientConfig config) { if (this.propertiesFactory.isSet(ServerList.class serverList = new ConfigurationBasedServerList(); serverList.initWithNiwsConfig(config); return serverList <Server> serverList, ServerListFilter<Server> serverListFilter, IRule rule, IPing ping, ServerListUpdater , serverListFilter, serverListUpdater); } 在ribbonList方法中并未有获取serverList的操作，在ribbonLoadBalancer中进行了使用
/** 服务器列表 */ private static List<String> serverList = new ArrayList<>(); static { serverList.add( "192.168.1.2"); serverList.add("192.168.1.3"); serverList.add("192.168.1.4"); serverList.add /** 服务器列表 */ private static List<String> serverList = new ArrayList<>(); static { serverList.add( "192.168.1.2"); serverList.add("192.168.1.3"); serverList.add("192.168.1.4"); serverList.add ); serverList.add("192.168.1.3"); serverList.add("192.168.1.4"); serverList.add("192.168.1.5
; String versionId = request.getHeader(VERSION_KEY); // 服务匹配 List<Server> serverList getEligibleServers(this.getLoadBalancer().getAllServers(), key); Server toServer = getServer(serverList = null){ return toServer ; } else { return getServer(serverList,GrayConstant.VERSION_DEF ); } } private Server getServer (List<Server> serverList,String version){ Server toServer = null ; for (Server server : serverList) { Map<String, String> metadata
cluster.conf」 文件寻址cluster.conf配置文件的内容格式为「ip1:port,ip2:port」 地址服务器寻址默认为：http://jmenv.tbsite.net:8080/serverlist ()) { throw new NacosException(NacosException.SERVER_ERROR, "cannot get serverlist, so exit."); ] failed to get serverlist from disk! 默认为：http://jmenv.tbsite.net:8080/serverlist；每5秒钟定时向地址服务器请求获取地址列表；获取列表后执行afterLookup。 = serverList.size(); ConcurrentSkipListMap<String, Member> tmpMap = new ConcurrentSkipListMap<>();
serverList, ServerListFilter serverListFilter, IRule rule, IPing ping, ServerListUpdater serverListUpdater serverList, ServerListFilter filter, ServerListUpdater serverListUpdater) { super(clientConfig , rule, ping, serverList, filter, serverListUpdater); } @Override public Server chooseServer serverList, ServerListFilter serverListFilter, IRule rule, IPing ping, ServerListUpdater serverListUpdater ) { return new ZoneChosenLoadBalancer(config, rule, ping, serverList, serverListFilter, serverListUpdater
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