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https://issues.apache.org/jira/browse/RANGER-1738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16256943#comment-16256943
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Colm O hEigeartaigh commented on RANGER-1738:
---------------------------------------------
A concrete example of this, is that Apache Storm ships some Hadoop 2.6.x
security classes directly in storm-core. There is a problem then when we call
UserGroupInformation.createRemoteUser in RangerStormAuthorizer, as the UGI in
Hadoop 3.0.0 finds the KerberosUtil in Storm instead of in Hadoop, and doesn't
work as a result.
> RangerYarnAuthorizer not compatible with Hadoop-3.0.0
> -----------------------------------------------------
>
> Key: RANGER-1738
> URL: https://issues.apache.org/jira/browse/RANGER-1738
> Project: Ranger
> Issue Type: Bug
> Components: plugins
> Affects Versions: 0.7.1
> Reporter: Hong Shen
> Assignee: Colm O hEigeartaigh
> Fix For: 1.0.0
>
> Attachments:
> 0001-RANGER-1738-RangerYarnAuthorizer-not-compatible-with.patch
>
>
> In the newest hadoop version 3.0.0, YarnAuthorizationProvider has changed.
> The new YarnAuthorizationProvider.java has change the methods checkPermission
> and setPermission,
> {code:title=YarnAuthorizationProvider.java|borderStyle=solid}
> /**
> * Check if user has the permission to access the target object.
> *
> * @param accessRequest
> * the request object which contains all the access context info.
> * @return true if user can access the object, otherwise false.
> */
> public abstract boolean checkPermission(AccessRequest accessRequest);
> /**
> * Set permissions for the target object.
> *
> * @param permissions
> * A list of permissions on the target object.
> * @param ugi User who sets the permissions.
> */
> public abstract void setPermission(List<Permission> permissions,
> UserGroupInformation ugi);
> {code}
> But the RangerYarnAuthorizer extends YarnAuthorizationProvider impletement
> the old method.
> {code:title=RangerYarnAuthorizer.java|borderStyle=solid}
> @Override
> public void setPermission(PrivilegedEntity entity, Map<AccessType,
> AccessControlList> permission, UserGroupInformation ugi) {
> ...
> @Override
> public boolean checkPermission(AccessType accessType, PrivilegedEntity
> entity, UserGroupInformation ugi) {
> {code}
> I think yarn plugin should also impletement the new method. I will add a
> patch for it.
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