Changes needed for bare metal upgrade flow

[ptrivedi]

• Add helpers to get provisioned hardware information from existing cluster
• Add/get disks of provisioned hardware to/from diskExtractor

Issue #, if available:

Description of changes:

Testing (if applicable):

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[codecov[bot]]

Codecov Report

Merging #2882 (7c333aa) into main (cda1fb1) will increase coverage by 0.95%. The diff coverage is 4.05%.

@@            Coverage Diff             @@
##             main    #2882      +/-   ##
==========================================
+ Coverage   60.49%   61.44%   +0.95%     
==========================================
  Files         319      323       +4     
  Lines       26287    26444     +157     
==========================================
+ Hits        15902    16249     +347     
+ Misses       9076     8924     -152     
+ Partials     1309     1271      -38     

Impacted Files	Coverage Δ
pkg/executables/kubectl.go	42.52% <0.00%> (-0.75%)	:arrow_down:
pkg/providers/tinkerbell/template.go	31.53% <0.00%> (-0.55%)	:arrow_down:
pkg/providers/tinkerbell/tinkerbell.go	33.79% <ø> (ø)
pkg/providers/tinkerbell/upgrade.go	0.00% <0.00%> (ø)
...roviders/tinkerbell/hardware/catalogue_hardware.go	81.46% <12.50%> (-10.85%)	:arrow_down:
pkg/curatedpackages/packagecontrollerclient.go	96.10% <0.00%> (-3.90%)	:arrow_down:
controllers/vsphere_datacenter_controller.go	11.86% <0.00%> (-2.89%)	:arrow_down:
pkg/api/v1alpha1/cluster.go	58.87% <0.00%> (-1.74%)	:arrow_down:
pkg/curatedpackages/packageinstaller.go	93.33% <0.00%> (-1.41%)	:arrow_down:
pkg/executables/govc.go	59.71% <0.00%> (-0.47%)	:arrow_down:
... and 33 more

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[eks-distro-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: abhinavmpandey08

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