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https://issues.apache.org/jira/browse/RANGER-1738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16252930#comment-16252930
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Velmurugan Periasamy commented on RANGER-1738:
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[~coheig]/[~rmani] - I am not sure if a new plugin just to support a specific
Hadoop version is required. Either make Ranger 1.0.0 to be compatible only with
Hadoop 3.x version (If Hadoop 2.x compatibility is required, then ranger 0.7.x
can be used) or make RangerYarnAuthorizer work with multiple versions.
Thoughts?
> 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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