helper command for pg_top

[owocki]

Description

the DB is slow sometimes (esp when loading an individual admin view of a page), so i wanted to use pg_top to debug it. this adds a helper command to install pg_top on the web repo.

Checklist

• linter status: 100% pass
• changes don't break existing behavior
• commit message follows commit guidelines

Affected core subsystem(s)

db

Testing

na/

Refers/Fixes

self

[owocki]

right now i get a role root does not exist ... not sure how to fix this.. i also tried postgres as an arg, but that doesnt work either.

@mbeacom you may know what admin role i can use for this?

[codecov]

Codecov Report

Merging #1295 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1295   +/-   ##
=======================================
  Coverage   31.29%   31.29%           
=======================================
  Files         122      122           
  Lines        8521     8521           
  Branches     1116     1116           
=======================================
  Hits         2667     2667           
  Misses       5743     5743           
  Partials      111      111

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[mbeacom]

I modified the script to use the provided local environment variables and fall back to the local docker psql settings similar to the web app. pg_activity was also added.

[owocki]

thanks!