difin commented on code in PR #5652:
URL: https://github.com/apache/hive/pull/5652#discussion_r2015058349


##########
service/src/java/org/apache/hive/service/server/HiveServer2.java:
##########
@@ -534,6 +455,102 @@ public synchronized void init(HiveConf hiveConf) {
     // Extra time for releasing the resources if timeout sets to 0
     ShutdownHookManager.addGracefulShutDownHook(() -> graceful_stop(),  
timeout == 0 ? 30 : timeout);
   }
+  
+  private void addHAContextAttributes(HttpServer.Builder builder, HiveConf 
hiveConf) {
+    builder.setContextAttribute("hs2.isLeader", isLeader);
+    builder.setContextAttribute("hs2.failover.callback", new 
FailoverHandlerCallback(hs2HARegistry));
+    builder.setContextAttribute("hiveconf", hiveConf);
+  }
+  
+  private HttpServer.Builder initBuilder(String webHost, int port, String 
name, String contextPath, HiveConf hiveConf) throws IOException {
+    HttpServer.Builder builder = new HttpServer.Builder(name);
+    builder.setPort(port);
+    builder.setConf(hiveConf);
+    builder.setHost(webHost);
+    builder.setContextPath(contextPath);
+    
builder.setMaxThreads(hiveConf.getIntVar(ConfVars.HIVE_SERVER2_WEBUI_MAX_THREADS));
+    builder.setAdmins(hiveConf.getVar(ConfVars.USERS_IN_ADMIN_ROLE));
+    // SessionManager is initialized
+    builder.setContextAttribute("hive.sm", cliService.getSessionManager());
+    hiveConf.set("startcode", String.valueOf(System.currentTimeMillis()));
+    if (hiveConf.getBoolVar(ConfVars.HIVE_SERVER2_WEBUI_USE_SSL)) {
+      String keyStorePath = 
hiveConf.getVar(ConfVars.HIVE_SERVER2_WEBUI_SSL_KEYSTORE_PATH);
+      if (StringUtils.isBlank(keyStorePath)) {
+        throw new 
IllegalArgumentException(ConfVars.HIVE_SERVER2_WEBUI_SSL_KEYSTORE_PATH.varname
+                + " Not configured for SSL connection");
+      }
+      builder.setKeyStorePassword(ShimLoader.getHadoopShims().getPassword(
+          hiveConf, 
ConfVars.HIVE_SERVER2_WEBUI_SSL_KEYSTORE_PASSWORD.varname));
+      builder.setKeyStorePath(keyStorePath);
+      
builder.setKeyStoreType(hiveConf.getVar(ConfVars.HIVE_SERVER2_WEBUI_SSL_KEYSTORE_TYPE));
+      builder.setKeyManagerFactoryAlgorithm(
+          
hiveConf.getVar(ConfVars.HIVE_SERVER2_WEBUI_SSL_KEYMANAGERFACTORY_ALGORITHM));
+      
builder.setExcludeCiphersuites(hiveConf.getVar(ConfVars.HIVE_SERVER2_WEBUI_SSL_EXCLUDE_CIPHERSUITES));
+      builder.setUseSSL(true);
+    }
+    if (hiveConf.getBoolVar(ConfVars.HIVE_SERVER2_WEBUI_USE_SPNEGO)) {
+      String spnegoPrincipal = 
hiveConf.getVar(ConfVars.HIVE_SERVER2_WEBUI_SPNEGO_PRINCIPAL);
+      String spnegoKeytab = 
hiveConf.getVar(ConfVars.HIVE_SERVER2_WEBUI_SPNEGO_KEYTAB);
+      if (StringUtils.isBlank(spnegoPrincipal) || 
StringUtils.isBlank(spnegoKeytab)) {
+        throw new IllegalArgumentException(
+            ConfVars.HIVE_SERVER2_WEBUI_SPNEGO_PRINCIPAL.varname
+                + "/" + ConfVars.HIVE_SERVER2_WEBUI_SPNEGO_KEYTAB.varname
+                + " Not configured for SPNEGO authentication");
+      }
+      builder.setSPNEGOPrincipal(spnegoPrincipal);
+      builder.setSPNEGOKeytab(spnegoKeytab);
+      builder.setUseSPNEGO(true);
+    }
+    if (hiveConf.getBoolVar(ConfVars.HIVE_SERVER2_WEBUI_ENABLE_CORS)) {
+      builder.setEnableCORS(true);
+      String allowedOrigins = 
hiveConf.getVar(ConfVars.HIVE_SERVER2_WEBUI_CORS_ALLOWED_ORIGINS);
+      String allowedMethods = 
hiveConf.getVar(ConfVars.HIVE_SERVER2_WEBUI_CORS_ALLOWED_METHODS);
+      String allowedHeaders = 
hiveConf.getVar(ConfVars.HIVE_SERVER2_WEBUI_CORS_ALLOWED_HEADERS);
+      if (StringUtils.isBlank(allowedOrigins) || 
StringUtils.isBlank(allowedMethods) || StringUtils.isBlank(allowedHeaders)) {
+        throw new IllegalArgumentException("CORS enabled. But " +
+            ConfVars.HIVE_SERVER2_WEBUI_CORS_ALLOWED_ORIGINS.varname + "/" +
+            ConfVars.HIVE_SERVER2_WEBUI_CORS_ALLOWED_METHODS.varname + "/" +
+            ConfVars.HIVE_SERVER2_WEBUI_CORS_ALLOWED_HEADERS.varname + "/" +
+            " is not configured");
+      }
+      builder.setAllowedOrigins(allowedOrigins);
+      builder.setAllowedMethods(allowedMethods);
+      builder.setAllowedHeaders(allowedHeaders);
+      LOG.info("CORS enabled - allowed-origins: {} allowed-methods: {} 
allowed-headers: {}", allowedOrigins,
+          allowedMethods, allowedHeaders);
+    }
+    if(hiveConf.getBoolVar(ConfVars.HIVE_SERVER2_WEBUI_XFRAME_ENABLED)){
+      
builder.configureXFrame(true).setXFrameOption(hiveConf.getVar(ConfVars.HIVE_SERVER2_WEBUI_XFRAME_VALUE));
+    }
+    if (hiveConf.getBoolVar(ConfVars.HIVE_SERVER2_WEBUI_USE_PAM)) {
+      if (hiveConf.getBoolVar(ConfVars.HIVE_SERVER2_WEBUI_USE_SSL)) {
+        String hiveServer2PamServices = 
hiveConf.getVar(ConfVars.HIVE_SERVER2_PAM_SERVICES);
+        if (hiveServer2PamServices == null || 
hiveServer2PamServices.isEmpty()) {
+          throw new 
IllegalArgumentException(ConfVars.HIVE_SERVER2_PAM_SERVICES.varname + " are not 
configured.");
+        }
+        builder.setPAMAuthenticator(pamAuthenticator == null ? new 
PamAuthenticator(hiveConf) : pamAuthenticator);
+        builder.setUsePAM(true);
+      } else if (hiveConf.getBoolVar(ConfVars.HIVE_IN_TEST)) {

Review Comment:
   This is an existing code.
   It allows to use a `pamAuthenticator` provided by a calling test and use PAM 
authentication without SSL.
   What should be used instead of `HIVE_IN_TEST`?
   



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