Hello Tidy Bot, Kudu Jenkins, Adar Dembo, Hao Hao, Todd Lipcon,

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

    http://gerrit.cloudera.org:8080/8312

to look at the new patch set (#5).

Change subject: KUDU-2191 (6/n): Hive Metastore catalog manager integration
......................................................................

KUDU-2191 (6/n): Hive Metastore catalog manager integration

This commit adds integration with the Hive Metastore to CatalogManager,
which can be enabled with a new flag: 'hive-metastore-addresses'. When
the flag is provided, the Master will push DDL changes in its catalog to
the Hive Metastore. In particular:

- Create table, delete table, and alter table operations in the Kudu
  master will synchronously update the corresponding entry in the HMS.

- New table and column names are required to be valid according to the
  Hive identifier rules, which are much stricter than Kudu's existing
  identifier rules.

I think the code-paths in hms_catalog are pretty well covered by the
tests added in this commit, however there is a dearth of stress and
chaos tests covering the actual CatalogManager integration. In
particular I've left some TODOs of roll-back code that could benefit
from more coverage, as well as a TODO in master-stress-test about
enabling HMS integration.

Change-Id: I1b8f360408b05d6ac4f7359a8ac0dd889b196baf
---
M src/kudu/hms/hms_client-test.cc
M src/kudu/hms/hms_client.cc
M src/kudu/hms/hms_client.h
M src/kudu/hms/mini_hms.cc
M src/kudu/integration-tests/CMakeLists.txt
M src/kudu/integration-tests/alter_table-randomized-test.cc
M src/kudu/integration-tests/master-stress-test.cc
M src/kudu/integration-tests/master_failover-itest.cc
A src/kudu/integration-tests/master_hms-itest.cc
M src/kudu/master/CMakeLists.txt
M src/kudu/master/catalog_manager.cc
M src/kudu/master/catalog_manager.h
A src/kudu/master/hms_catalog-test.cc
A src/kudu/master/hms_catalog.cc
A src/kudu/master/hms_catalog.h
M src/kudu/master/master.proto
M src/kudu/mini-cluster/external_mini_cluster-test.cc
M src/kudu/mini-cluster/external_mini_cluster.cc
M src/kudu/util/net/net_util.cc
M src/kudu/util/net/net_util.h
20 files changed, 1,263 insertions(+), 22 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/12/8312/5
--
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I1b8f360408b05d6ac4f7359a8ac0dd889b196baf
Gerrit-Change-Number: 8312
Gerrit-PatchSet: 5
Gerrit-Owner: Dan Burkert <danburk...@apache.org>
Gerrit-Reviewer: Adar Dembo <a...@cloudera.com>
Gerrit-Reviewer: Dan Burkert <danburk...@apache.org>
Gerrit-Reviewer: Hao Hao <hao....@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Tidy Bot
Gerrit-Reviewer: Todd Lipcon <t...@apache.org>

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