zhengchenyu commented on code in PR #5946:
URL: https://github.com/apache/hadoop/pull/5946#discussion_r1292674937
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hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/Router.java:
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@@ -209,9 +215,30 @@ public void startWepApp() {
Builder<Object> builder =
WebApps.$for("cluster", null, null, "ws").with(conf).at(webAppAddress);
+ if(conf.getBoolean(YarnConfiguration.ROUTER_WEBAPP_PROXY_ENABLE,
+ YarnConfiguration.DEFAULT_ROUTER_WEBAPP_PROXY_ENABLE)) {
+ fetcher = new FedAppReportFetcher(conf);
+ builder.withServlet(ProxyUriUtils.PROXY_SERVLET_NAME,
ProxyUriUtils.PROXY_PATH_SPEC,
+ WebAppProxyServlet.class);
+ builder.withAttribute(WebAppProxy.FETCHER_ATTRIBUTE, fetcher);
+ String proxyHostAndPort = getProxyHostAndPort(conf);
+ String[] proxyParts = proxyHostAndPort.split(":");
+ builder.withAttribute(WebAppProxy.PROXY_HOST_ATTRIBUTE, proxyParts[0]);
+ }
webApp = builder.start(new RouterWebApp(this));
}
+ public static String getProxyHostAndPort(Configuration conf) {
+ String addr = conf.get(YarnConfiguration.PROXY_ADDRESS);
Review Comment:
We do not need a default value. In this function, router web address is just
the default value.
If PROXY_ADDRESS is configured, means that a standalone proxy server is
deployed.
If PROXY_ADDRESS is not configured, means that we will regard router web as
proxy server.
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