Check if Service has Endpoints for dangling service template

[marcmognol]

Motivation

Fix #746

Changed

This PR update dangling-service template.
When no selector is specified on the Service, check if Endpoints exists in the context with the same name and namespace.

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 72.28%. Comparing base (49aa5bb) to head (453f608).

Files	Patch %	Lines
pkg/templates/danglingservice/template.go	50.00%	2 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #747      +/-   ##
==========================================
- Coverage   72.37%   72.28%   -0.10%     
==========================================
  Files          45       45              
  Lines        1937     1945       +8     
==========================================
+ Hits         1402     1406       +4     
- Misses        421      423       +2     
- Partials      114      116       +2     

Flag	Coverage Δ
bats	?
unit	72.28% <50.00%> (-0.10%)	⬇️

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[janisz]

Could you add sample from

• [BUG] - service has no selector specified raised when using Endpoint #746
  to
  

  kube-linter/e2etests/bats-tests.sh

  Lines 131 to 134 in 49aa5bb

  	@test "dangling-service" {
  	tmp="tests/checks/dangling-service.yml"
  	cmd="${KUBE_LINTER_BIN} lint --include dangling-service --do-not-auto-add-defaults --format json ${tmp}"
  	run ${cmd}

[marcmognol]

Hi @janisz,
Is it better now ?
Marc

[rassie]

Is there a reason this has been closed? Would also be cool, if this could be extended for EndpointSlices too.