[kudu-CR] [catalog manager] introduce replica type matching policy

["Alexey Serbin (Code Review)" <ge...@cloudera.org>]

Hello Tidy Bot, Mike Percy, Kudu Jenkins, Todd Lipcon, 

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

    http://gerrit.cloudera.org:8080/8161

to look at the new patch set (#6).

Change subject: [catalog manager] introduce replica type matching policy
......................................................................

[catalog manager] introduce replica type matching policy

Introduced replica type matching policy for GetTabletLocations RPC and
various wrapper methods used in master, catalog manager, and tests.
The policy is used to specify what type of tablet replicas to locate
while populating the result of the GetTabletLocations RPC.

When not specified otherwise or when using earlier versions of the
GetTable[t]LocationsRequestPB protobuf messages, VOTER_REPLICA policy
is used.  To locate all replicas, specify ANY_REPLICA policy in the
match_policy field of the GetTable[t]LocationsRequestPB.  The latter
is done now unconditionally to enable already existing non-voter
replica-related tests pass.  This will change by a follow-up commit:
the 'regular' client operations should work with voter replicas only,
so the use cases for getting all tablet replicas will be just
the following:

  * the kudu CLI tool fetching that information to report on replica
    membership status for listings in 'table list --tablets' and
    'ksck' sub-commands.

  * various tests exercising the functionality related to
    non-voter tablet replicas

Added an integration test to verify the functionality of the replica
matching policy for GetTableLocations and GetTabletLocations RPC.

Change-Id: I303a6d158184575a9a105c2d2bf26961ae8b3e93
---
M src/kudu/client/meta_cache.cc
M src/kudu/integration-tests/cluster_itest_util.cc
M src/kudu/integration-tests/cluster_itest_util.h
M src/kudu/integration-tests/delete_table-itest.cc
M src/kudu/integration-tests/flex_partitioning-itest.cc
M src/kudu/integration-tests/raft_config_change-itest.cc
M src/kudu/integration-tests/raft_consensus-itest.cc
M src/kudu/integration-tests/raft_consensus_nonvoter-itest.cc
M src/kudu/integration-tests/registration-test.cc
M src/kudu/integration-tests/table_locations-itest.cc
M src/kudu/integration-tests/tablet_copy-itest.cc
M src/kudu/integration-tests/tombstoned_voting-itest.cc
M src/kudu/integration-tests/ts_itest-base.cc
M src/kudu/master/catalog_manager.cc
M src/kudu/master/catalog_manager.h
M src/kudu/master/master.proto
M src/kudu/master/master_service.cc
M src/kudu/tools/kudu-admin-test.cc
18 files changed, 232 insertions(+), 59 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/61/8161/6
-- 
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I303a6d158184575a9a105c2d2bf26961ae8b3e93
Gerrit-Change-Number: 8161
Gerrit-PatchSet: 6
Gerrit-Owner: Alexey Serbin <as...@cloudera.com>
Gerrit-Reviewer: Alexey Serbin <as...@cloudera.com>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <mp...@apache.org>
Gerrit-Reviewer: Tidy Bot
Gerrit-Reviewer: Todd Lipcon <to...@apache.org>