Issue 222: zoo.cfg updated parameters are not picked up during rolling restarts

[anishakj]

Signed-off-by: anisha.kj anisha.kj@dell.com

Change log description

We were copying zoo.cfg file from /conf directory to /data/conf.cfg only at the start. If any configuration parameters are changed after installation, it was not taking into effect.

Purpose of the change

Fixes #222

What the code does

Modified the start up script such a way that /conf/zoo.cfg contents are copied to /data/conf.cfg even on restart. Will retain the dynamicconfig file in /data/conf.cfg

How to verify it

Verified by changing the config parameters and saw that they are getting updated on rolling restarts.

[codecov-commenter]

Codecov Report

Merging #231 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #231   +/-   ##
=======================================
  Coverage   83.60%   83.60%           
=======================================
  Files          11       11           
  Lines        1220     1220           
=======================================
  Hits         1020     1020           
  Misses        137      137           
  Partials       63       63           

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[Prabhaker24]

LGTM