Allow Longhorn and Hetzner CSI to live side by side, since Hetzner CSI takes over as default - we don't want Longhorn to also be default (It'll pick Hetzner simply because H comes before L)

helm/longhorn.yaml

@@ -15,7 +15,7 @@ releases:
     chart: longhorn/longhorn
     values:
       - persistence:
-          defaultClass: true
+          defaultClass: {{ requiredEnv "HETZNER_CSI_DISABLED" }}
           defaultFsType: ext4
           defaultClassReplicaCount: 2
       - defaultSettings:

init.tf

@@ -181,6 +181,7 @@ resource "null_resource" "longhorn" {
     when       = create
     command    = <<-EOT
       export KUBECONFIG=$(readlink -f ${path.module}/kubeconfig.yaml)
+      export HETZNER_CSI_DISABLED=${var.disable_hetzner_csi ? "true" : "false"}
       helmfile -f ${path.module}/helm/longhorn.yaml apply
     EOT
     on_failure = continue