[Impala-ASF-CR] IMPALA-6642 (Part 2): clean up start-impala-cluster.py

["Taras Bobrovytsky (Code Review)" <ge...@cloudera.org>]

Taras Bobrovytsky has uploaded a new patch set (#2). ( http://gerrit.cloudera.org:8080/10780 )

Change subject: IMPALA-6642 (Part 2): clean up start-impala-cluster.py
......................................................................

IMPALA-6642 (Part 2): clean up start-impala-cluster.py

We clean up start-impala-cluster.py in general in this patch by using
logging instead of "print" and formatting strings using the format()
function. We make sure to include a timestamp in each log message in
order to make it easier to debug failures in custom cluster tests that
happen when starting the cluster.

Change-Id: I60169203c61ae6bc0a3ccd3dea355799b603efe5
---
M bin/start-impala-cluster.py
M tests/common/impala_service.py
2 files changed, 147 insertions(+), 83 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/80/10780/2
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I60169203c61ae6bc0a3ccd3dea355799b603efe5
Gerrit-Change-Number: 10780
Gerrit-PatchSet: 2
Gerrit-Owner: Taras Bobrovytsky <tb...@cloudera.com>
Gerrit-Reviewer: Philip Zeyliger <ph...@cloudera.com>
Gerrit-Reviewer: Taras Bobrovytsky <tb...@cloudera.com>
Gerrit-Reviewer: Tianyi Wang <tw...@cloudera.com>