> On Nov. 11, 2016, 5:28 a.m., Robert Levas wrote: > > Ship It! > > Shi Wang wrote: > Hi Robert, could you help commit it if there is no other concern?
Committed... ``` commit 38076327525986b780942f33eff01d2de4a70ce2 Author: Shi Wang <cntj...@gmail.com> Date: Mon Nov 21 14:03:32 2016 -0500 ``` - Robert ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/53629/#review155702 ----------------------------------------------------------- On Nov. 10, 2016, 4:28 p.m., Shi Wang wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/53629/ > ----------------------------------------------------------- > > (Updated Nov. 10, 2016, 4:28 p.m.) > > > Review request for Ambari, Andrew Onischuk, Laszlo Puskas, and Robert Levas. > > > Bugs: AMBARI-18836 > https://issues.apache.org/jira/browse/AMBARI-18836 > > > Repository: ambari > > > Description > ------- > > The Smoke and “Headless” Service users are used by Ambari to perform service > “smoke” checks and run alert health checks. > The permission for hdfs.headless.keytab is 440. But it will cause security > concern to allow other service user in hadoop group to kinit hdfs headless > principal using hdfs.headless.keytab. In this way, other service user could > "pretend" to be hdfs user and be granted hdfs user's authorities. > > > Diffs > ----- > > > ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/kerberos.json > e8c96cb > > ambari-server/src/main/resources/common-services/HIVE/0.12.0.2.0/package/scripts/webhcat.py > a7feb60 > ambari-server/src/main/resources/stacks/HDP/2.5/services/HDFS/kerberos.json > 974a69c > > Diff: https://reviews.apache.org/r/53629/diff/ > > > Testing > ------- > > Hi Robert, > What will be your opinion on this? > Is it necessary to set 440 permission to hdfs headless keytab? The kinit hdfs > headless principal operation for webhcat seems useless, I kdestroy the hdfs > ticket for hcat user and hive service check/start/stop all works fine. Is > there any other tests I should try? Thanks. > > > Thanks, > > Shi Wang > >
