[GitHub] [ozone] vivekratnavel commented on a change in pull request #2467: HDDS-5501. Support to upload/read keys from encrypted buckets through S3G

[GitBox <gi...@apache.org>]

vivekratnavel commented on a change in pull request #2467:
URL: https://github.com/apache/ozone/pull/2467#discussion_r679382962



##########
File path: hadoop-ozone/s3gateway/src/main/java/org/apache/hadoop/ozone/s3/Gateway.java
##########
@@ -85,4 +91,27 @@ public void stop() throws Exception {
     httpServer.stop();
   }
 
+  private static void loginS3GUser(OzoneConfiguration conf)
+      throws IOException, AuthenticationException {
+    if (OzoneSecurityUtil.isSecurityEnabled(conf)) {
+      if (SecurityUtil.getAuthenticationMethod(conf).equals(
+          UserGroupInformation.AuthenticationMethod.KERBEROS)) {
+        if (LOG.isDebugEnabled()) {
+          LOG.debug("Ozone security is enabled. Attempting login for S3G user. "
+                  + "Principal: {}, keytab: {}",
+              conf.get(OZONE_S3G_KERBEROS_PRINCIPAL_KEY),
+              conf.get(OZONE_S3G_KERBEROS_KEYTAB_FILE_KEY));
+        }
+
+        SecurityUtil.login(conf, OZONE_S3G_KERBEROS_KEYTAB_FILE_KEY,
+            OZONE_S3G_KERBEROS_PRINCIPAL_KEY);
+      } else {
+        throw new AuthenticationException(SecurityUtil.getAuthenticationMethod(
+            conf) + " authentication method not supported. S3 user login "

Review comment:
       ```suggestion
               conf) + " authentication method not supported. S3G user login "
   ```




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