chore(temp-expt): disk-usage info

[gargnitingoogle]

Description

• Rip-off of Feat 452559775: Capture enviornment information (mem, cpu, disk) during startup #3899 .

Link to the issue in case of a bug fix.

b/451832392

Testing details

1. Manual - NA
2. Unit tests - NA
3. Integration tests - NA

Any backward incompatible change? If so, please explain.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 200 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.26%. Comparing base (752e7d3) to head (4e325b9).

Files with missing lines	Patch %	Lines
internal/mgmt/GCSFuseMgmt.go	0.00%	59 Missing ⚠️
internal/mgmt/GCSFuseMgmtMem.go	0.00%	55 Missing ⚠️
internal/mgmt/GCSFuseMgmtCPU.go	0.00%	48 Missing ⚠️
internal/mgmt/GCSFuseMgmtEnv.go	0.00%	21 Missing ⚠️
internal/mgmt/GCSFuseMgmtDisk.go	0.00%	11 Missing ⚠️
cmd/legacy_main.go	0.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3971      +/-   ##
==========================================
- Coverage   83.07%   82.26%   -0.82%     
==========================================
  Files         148      153       +5     
  Lines       18090    18290     +200     
==========================================
+ Hits        15029    15046      +17     
- Misses       2515     2703     +188     
+ Partials      546      541       -5     

Flag	Coverage Δ
unittests	82.26% <0.00%> (-0.82%)	⬇️

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