feat: Go template with sprig for application template render in applicationset

[rishabh625]

Signed-off-by: rishabh625 [email protected]

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This is the PR moved from argoproj/applicationset

https://github.com/argoproj/applicationset/pull/513

Thanks to @vavdoshka for all the efforts and @crenshaw-dev for pushing it this close

[codecov[bot]]

Codecov Report

Merging #9873 (fd18257) into master (c1d8173) will decrease coverage by 0.17%. The diff coverage is 7.77%.

@@            Coverage Diff             @@
##           master    #9873      +/-   ##
==========================================
- Coverage   45.86%   45.69%   -0.18%     
==========================================
  Files         227      228       +1     
  Lines       26864    26932      +68     
==========================================
- Hits        12322    12307      -15     
- Misses      12862    12949      +87     
+ Partials     1680     1676       -4     

Impacted Files	Coverage Δ
applicationset/utils/templating.go	0.00% <0.00%> (ø)
applicationset/utils/utils.go	71.01% <ø> (-7.40%)	:arrow_down:
...is/applicationset/v1alpha1/applicationset_types.go	39.13% <ø> (-1.78%)	:arrow_down:
...cationset/controllers/applicationset_controller.go	56.26% <42.85%> (-0.50%)	:arrow_down:
...licationset/generators/generator_spec_processor.go	51.56% <66.66%> (-0.11%)	:arrow_down:
util/settings/settings.go	48.39% <0.00%> (+0.22%)	:arrow_up:

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[mrmm]

@iamnoah Is this PR still worked on ?

[mrmm]

@crenshaw-dev I would be happy to try to push something but it might be sloppy attempt. As I have a limited experience with Golang.

Would that be good for you ?

[crenshaw-dev]

@mrmm I'd be happy to review and help with any local dev setup issues! :-)

[crenshaw-dev]

Closing for now, until someone has time to pick it back up. :-)

[mrmm]

Hello @crenshaw-dev, I hope you are doing great!

~I've started working on this (in my fork) but I am struggling with how to test this following the same way in (applicationset/utils/utils_test.go), and the commit of the tests is something like https://github.com/mrmm/argo-cd/commit/c32946932b64a1f8b47c2bfb16712552c226da68.~

~Do you have any recommendations to do this better please?~

Edit: @crenshaw-dev you can ignore my previous request, as the work on this has restarted in https://github.com/argoproj/argo-cd/pull/11183