[kudu-CR] KUDU-2972 Add Ranger client

["Attila Bukor (Code Review)" <ge...@cloudera.org>]

Hello Tidy Bot, Kudu Jenkins, Andrew Wong, Adar Dembo, Hao Hao, 

I'd like you to reexamine a change. Please visit

    http://gerrit.cloudera.org:8080/15206

to look at the new patch set (#13).

Change subject: KUDU-2972 Add Ranger client
......................................................................

KUDU-2972 Add Ranger client

Adds a Ranger client that communicates with the Java subprocess that
wraps the Ranger plugin. It can be used by an authorization provider to
translate between Kudu and Ranger.

Removes default_database out parameter from ParseRangerTableIdentifier
in table_util as we decided to take a slightly different path and this
information is not needed anymore.

Current test coverage consists of only unit tests with a mock subprocess
server. Real integration tests will be added in a follow-up patch once a
working MiniRanger is added to facilitate this testing.

Change-Id: Ie2e1ec19ed3aeb4d82ad38fe1fb655f57021c1a4
---
M src/kudu/common/table_util-test.cc
M src/kudu/common/table_util.cc
M src/kudu/common/table_util.h
M src/kudu/ranger/CMakeLists.txt
M src/kudu/ranger/ranger.proto
A src/kudu/ranger/ranger_client-test.cc
A src/kudu/ranger/ranger_client.cc
A src/kudu/ranger/ranger_client.h
M src/kudu/subprocess/server.cc
M src/kudu/subprocess/server.h
M src/kudu/util/subprocess.cc
M src/kudu/util/subprocess.h
12 files changed, 791 insertions(+), 55 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/06/15206/13
-- 
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ie2e1ec19ed3aeb4d82ad38fe1fb655f57021c1a4
Gerrit-Change-Number: 15206
Gerrit-PatchSet: 13
Gerrit-Owner: Attila Bukor <ab...@apache.org>
Gerrit-Reviewer: Adar Dembo <ad...@cloudera.com>
Gerrit-Reviewer: Andrew Wong <aw...@cloudera.com>
Gerrit-Reviewer: Attila Bukor <ab...@apache.org>
Gerrit-Reviewer: Hao Hao <ha...@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Tidy Bot (241)