tools: heapWatch metrics imported into Prometheus/Grafana

[algorandskiy]

Summary

A script to import heapWatch's high frequency metrics into local Prometheus. Requires direct data directory access.

How to use:

# Convert metrics
python3 ./go-algorand/test/heapwatch/metrics_gra.py -d metrics/500x15/ -o prom-metrics.txt
# Import 
METRICS=$(realpath prom-metrics.txt)
cd ./prometheus-2.54.1.linux-amd64 && ./promtool tsdb create-blocks-from openmetrics $METRICS)

Then that Prometheus can be added as a Grafana source or used directly:

Grafana	Prometheus

Test Plan

Tested manually

[codecov]

Codecov Report

Attention: Patch coverage is 77.77778% with 2 lines in your changes missing coverage. Please review.

Project coverage is 56.27%. Comparing base (8b6c443) to head (5f255be).
Report is 9 commits behind head on master.

Files with missing lines	Patch %	Lines
network/metrics.go	77.77%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6147      +/-   ##
==========================================
+ Coverage   56.25%   56.27%   +0.01%     
==========================================
  Files         494      494              
  Lines       69946    69948       +2     
==========================================
+ Hits        39350    39362      +12     
+ Misses      27919    27913       -6     
+ Partials     2677     2673       -4     

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