[kudu-CR] KUDU-1959 - Add tests for /startup page for tservers

["Abhishek Chennaka (Code Review)" <ge...@cloudera.org>]

Hello Tidy Bot, Attila Bukor, Kudu Jenkins, Andrew Wong, 

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

    http://gerrit.cloudera.org:8080/17990

to look at the new patch set (#4).

Change subject: KUDU-1959 - Add tests for /startup page for tservers
......................................................................

KUDU-1959 - Add tests for /startup page for tservers

This patch implements the tests for the startup page using mini tablet
server.
 - We inject latency to bootstrap tablets while reading the webpage every
   10 milliseconds and validating the status for each step.
 - Fail a data directory and validate the status of each startup step.
We also validate the below startup metrics in the above scenarios (
log_block_manager* metrics in the case of using log block manager):
 - log_block_manager_total_containers_startup
 - log_block_manager_processed_containers_startup
 - log_block_manager_containers_processing_time_startup
 - tablets_num_total_startup
 - tablets_num_opened_startup
 - tablets_opening_time_startup

Change-Id: I9f432b4eb813e51214b4d6b3c5b7b4c89426f47f
---
M src/kudu/mini-cluster/webui_checker.h
M src/kudu/tserver/tablet_server-test.cc
2 files changed, 205 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/90/17990/4
-- 
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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I9f432b4eb813e51214b4d6b3c5b7b4c89426f47f
Gerrit-Change-Number: 17990
Gerrit-PatchSet: 4
Gerrit-Owner: Abhishek Chennaka <ac...@cloudera.com>
Gerrit-Reviewer: Abhishek Chennaka <ac...@cloudera.com>
Gerrit-Reviewer: Andrew Wong <aw...@cloudera.com>
Gerrit-Reviewer: Attila Bukor <ab...@apache.org>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Tidy Bot (241)