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[bitnami/contour] Allow replacing certgen with cert-manager #29416

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@tsaarni tsaarni commented Sep 14, 2024

Description of the change

This update introduces a new option, useCertManager. When set to true, it replaces Contour's certgen with cert-manager by deploying Issuer and Certificate resources to issue TLS certificates for communication between Contour and Envoy. The default value is false.

Benefits

Cert-manager automates certificate life-cycle management, including renewal before expiration. Certgen, on the other hand, issues certificates with a 1-year validity period and does not support automatic rotation.

Possible drawbacks

Enabling this option introduces a dependency on cert-manager.

Applicable issues

Additional information

Checklist

  • Chart version bumped in Chart.yaml according to semver. This is not necessary when the changes only affect README.md files.
  • Variables are documented in the values.yaml and added to the README.md using readme-generator-for-helm
  • Title of the pull request follows this pattern [bitnami/<name_of_the_chart>] Descriptive title
  • All commits signed off and in agreement of Developer Certificate of Origin (DCO)

* Add an option to use cert-manager to issue certificates for TLS connection
  between Contour and Envoy.

Signed-off-by: Tero Saarni <[email protected]>
@tsaarni tsaarni marked this pull request as ready for review September 15, 2024 06:08
@carrodher carrodher added verify Execute verification workflow for these changes in-progress labels Sep 15, 2024
@github-actions github-actions bot removed the triage Triage is needed label Sep 15, 2024
@github-actions github-actions bot removed the request for review from javsalgar September 15, 2024 08:51
Signed-off-by: Bitnami Containers <[email protected]>
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[bitnami/contour] I want to use CertManager without using certgen in contour.
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