Sasha,

I have looked into how to complete the user-based privilege for a while,
and can commit to implement it. I can work with Kalyan to create a design
doc for user-based privilege.

Thanks,

Lina

On Thu, Jan 25, 2018 at 1:35 PM, Na Li <lina...@cloudera.com> wrote:

> Sasha,
>
> The current user-based privilege missed some items:
>
>
>    - Sentry policy has two service API: SentryPolicyService and 
> SentryGenericPolicyService.
>    The current implementation does not support user-based privilege for
>    SentryGenericPolicyService
>    - SENTRY-2091: User-based Privilege is broken by SENTRY-769. The patch
>    is available for review.
>    - Name Node need change to generate ACL using user privilege.
>       - The full snapshot update only contains authorization to roles
>       mapping and role to group mapping. *Need to add role to user
>       mapping in* SentryStore.retrieveFullRoleImageCore
>       - The delta updates are taken from table SENTRY_PERM_CHANGE, which
>       does not distinguish group based permission or user based permission. No
>       change is needed
>       - The user changes to a role is not included when sending delta
>       update from Sentry to NN. *Need to add AddUsers and DropUsers
>       in TRoleChanges*.
>       - Sentry only create ACL for group with ACL type
>       as AclEntryType.GROUP. *Need to add code to create ACL with type
>       as *AclEntryType.USER
>       - SentryINodeAttributesProvider.checkPermission
>          -> FSPermissionChecker.checkPermission ->
>          SentryINodeAttributesProvider.getAclFeature
>          -> SentryAuthorizationInfo.getAclEntries -> SentryPermissions.
>          constructAclEntry
>       - SentryStore.grantOptionCheck() has to be changed to find user
>    level privilege.
>
> Thanks,
>
> Lina
>
> On Thu, Jan 25, 2018 at 1:13 PM, Sergio Pena <sergio.p...@cloudera.com>
> wrote:
>
>> There is a section on the Wiki about roadmap ideas and JIRAs already
>> created:
>> https://cwiki.apache.org/confluence/display/SENTRY/Sentry+
>> Roadmap+and+ideas
>>
>> I'm interested in having user-level privileges and special user privileges
>> for objects owners.
>>
>> I got this from the linked above:
>>   SENTRY-1073 User who creates a table should be granted all privileges on
>> it by default
>>   SENTRY-1068 Allow user who created a table to have "with grant" over
>> that
>> table by default
>>   Creator of a table should have ownership of it (all privileges)
>>   Allow privileges to be granted to users directly
>>
>> We should start planning the next Sentry 2.1 release based on the desired
>> features. What about
>> having 2 or 3 features on Sentry 2.1?
>>
>> I vote for:
>> - user-level privileges (currently grant user to role is only supported)
>> - default user privileges for objects owners
>>
>> Should we start a vote for new features for 2.1?
>>
>> - Sergio
>>
>> On Thu, Jan 25, 2018 at 12:46 PM, Kalyan Kumar Kalvagadda <
>> kkal...@cloudera.com> wrote:
>>
>> > I would like to add something here.
>> >
>> >
>> >    1. Current support for user-based-privileges allows admin to grant a
>> >    role to user. Ideally, user-based-privileges feature should be
>> allowing
>> >    administrator to grant privileges to individual users directly.
>> >       -  I'm working on this to come up with a scope doc.
>> >       2. Currently sentry stores only grant privileges. This is not
>> >    flexible. Let's say an administrator wants to grant role with select
>> on
>> > the
>> >    all tables in a database except for couple to them, he needs to
>> > individual
>> >    select privileges for each table.
>> >       1. Implementation should let you add a grant privilege on database
>> >       and revokes privileges on the tables with in that database,
>> >       2. This needs new look into privilege model that sentry currently
>> > has.
>> >
>> >
>> > -Kalyan
>> >
>> >
>> > -Kalyan
>> >
>> > On Thu, Jan 25, 2018 at 12:16 PM, Alexander Kolbasov <
>> ak...@cloudera.com>
>> > wrote:
>> >
>> > > Good point. There is some support for user-level privileges in 2.0
>> > already
>> > > - do you think that it is not sufficient and is missing some parts?
>> > >
>> > > Is there anyone reading this who participated in the user-level
>> > privileges
>> > > in Sentry work done earlier? Is there any design doc for this?
>> > >
>> > > - Alex
>> > >
>> > > On Thu, Jan 25, 2018 at 10:11 AM, Na Li <lina...@cloudera.com> wrote:
>> > >
>> > > > Sasha,
>> > > >
>> > > > It would be nice to have more features for sentry.
>> > > >
>> > > > For example, make user-based privileges working. So user can assign
>> > user
>> > > > directly to a role instead of through group.
>> > > >
>> > > > Lina
>> > > >
>> > > > On Thu, Jan 25, 2018 at 11:58 AM, Alexander Kolbasov <
>> > ak...@cloudera.com
>> > > >
>> > > > wrote:
>> > > >
>> > > > > Now that we have Sentry 2.0 release, I think it is a good time to
>> > step
>> > > > back
>> > > > > from fixing bugs and immediate problems and start discussions on
>> > > roadmap
>> > > > > for Sentry going forward. Do we want to just keep it as is and
>> > improve
>> > > > > things here and there or we want to add new features?
>> > > > >
>> > > > > What do people think?
>> > > > >
>> > > > > - Alex
>> > > > >
>> > > >
>> > >
>> >
>>
>
>

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