Use DNS challenges for letsencrypt-giantswarm ClusterIssuer

[alex-dabija]

Task

Use DNS challenges for letsencrypt-giantswarm ClusterIssuer for the following providers:

• CAPA
• CAPA-EKS
• CAPZ (already implemented)

Links

• Parent Issue

[T-Kukawka]

Current status: #4154 (comment)

Feature should be available for CAPA and CAPA-EKS - it is just a matter of enabling it by default.

[mcharriere]

FYI: The linked comment is covering only private clusters. But I recently added a new value to cluster-aws and cluster-azure to enable it on non-private clusters as well.