Github user interma commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/1250#discussion_r120274725
--- Diff:
ranger-plugin/service/src/main/java/org/apache/hawq/ranger/authorization/RangerHawqPluginResource.java
---
@@ -45,8 +47,43 @@
/**
* Constructor. Creates a new instance of the resource that uses
<code>RangerHawqAuthorizer</code>.
*/
- public RangerHawqPluginResource() {
+ public RangerHawqPluginResource()
+ {
+ // set UserGroupInformation under kerberos authentication
+ if (Utils.getAuth().equals("kerberos"))
--- End diff --
Yes, but I think use
`org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod` is
better:
```
public static enum AuthenticationMethod {
// currently we support only one auth per method, but eventually a
// subtype is needed to differentiate, ex. if digest is token or ldap
SIMPLE(AuthMethod.SIMPLE,
HadoopConfiguration.SIMPLE_CONFIG_NAME),
KERBEROS(AuthMethod.KERBEROS,
HadoopConfiguration.USER_KERBEROS_CONFIG_NAME),
TOKEN(AuthMethod.TOKEN),
CERTIFICATE(null),
KERBEROS_SSL(null),
PROXY(null);
```
Let's refactor it in future, keep it as it is now.
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