Wired up version field in AppChart

[agracey]

Currently, you can't specify the needed fields to use an OCI chart as an application template:
#1485

Opening as draft since I've confirmed that the code compiles but I ran out of time to test the new functionality :(

[codecov-commenter]

Codecov Report

Base: 43.54% // Head: 31.48% // Decreases project coverage by -12.07% ⚠️

Coverage data is based on head (4da9725) compared to base (cc90d9e).
Patch coverage: 50.00% of modified lines in pull request are covered.

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Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2101       +/-   ##
===========================================
- Coverage   43.54%   31.48%   -12.07%     
===========================================
  Files         181      181               
  Lines       14603    14608        +5     
===========================================
- Hits         6359     4599     -1760     
- Misses       7415     9380     +1965     
+ Partials      829      629      -200     

Flag	Coverage Δ
acceptance-api	29.60% <50.00%> (-4.39%)	⬇️
acceptance-cli	?
unittests	8.46% <0.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/api/core/v1/models/models.go	40.90% <ø> (-18.19%)	⬇️
internal/appchart/appchart.go	43.96% <40.00%> (-10.09%)	⬇️
internal/helm/helm.go	68.40% <100.00%> (-1.54%)	⬇️
helpers/bytes/bytes.go	0.00% <0.00%> (-100.00%)	⬇️
internal/dex/code_verifier.go	0.00% <0.00%> (-100.00%)	⬇️
helpers/string.go	0.00% <0.00%> (-80.00%)	⬇️
internal/api/v1/service/match.go	0.00% <0.00%> (-75.68%)	⬇️
internal/api/v1/service/catalogmatch.go	0.00% <0.00%> (-74.29%)	⬇️
internal/cli/admincmd/settings.go	0.00% <0.00%> (-69.12%)	⬇️
internal/dex/dex.go	0.00% <0.00%> (-66.67%)	⬇️
... and 54 more

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[agracey]

This does work but needs a change to the CRD.

[andreas-kupries]

How do you see this interacting with

epinio/internal/helm/helm.go

Lines 336 to 340 in 63028b0

	pieces := strings.SplitN(helmChart, ":", 2)
	if len(pieces) == 2 {
	helmVersion = pieces[1]
	helmChart = pieces[0]
	}

just a few lines below ?

IOW when the chart reference is relative to a helm repository then the version is taken from the chart reference, with actual chart and version separated by :.

Could something similar be done with OCI references ? Assuming that OCI references can be detected as such generally.