Add all_ingresses data source

[wrmedford]

Description

This adds an all_ingresses data source which allows listing all ingress resources with label and annotation selectors rather than having to reference each by name in the current ingress data source, or use the generic data source that exists today.

Acceptance tests

• Have you added an acceptance test for the functionality being added?
• Have you run the acceptance tests on this branch?

Output from acceptance testing:

$ make testacc TESTARGS='-run=TestAccKubernetesDataSourceAllIngresses'
==> Checking that code complies with gofmt requirements...
go vet ./...
TF_ACC=1 go test "/Users/wes/pomerium/terraform-provider-kubernetes/kubernetes" -v -vet=off -run=TestAccKubernetesDataSourceAllIngresses -parallel 8 -timeout 3h
=== RUN   TestAccKubernetesDataSourceAllIngresses_basic
=== PAUSE TestAccKubernetesDataSourceAllIngresses_basic
=== RUN   TestAccKubernetesDataSourceAllIngresses_withSelectors
=== PAUSE TestAccKubernetesDataSourceAllIngresses_withSelectors
=== CONT  TestAccKubernetesDataSourceAllIngresses_basic
=== CONT  TestAccKubernetesDataSourceAllIngresses_withSelectors
--- PASS: TestAccKubernetesDataSourceAllIngresses_basic (1.92s)
--- PASS: TestAccKubernetesDataSourceAllIngresses_withSelectors (1.92s)
PASS
ok      github.com/hashicorp/terraform-provider-kubernetes/kubernetes   2.667s

Release Note

Release note for CHANGELOG:

FEATURES: 
Add all_ingresses data source. 

References

Community Note

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[hashicorp-cla-app]

All committers have signed the CLA.