add cluster DNS name variable

medwing · May 16, 2022 · 212b749 · 212b749
1 parent 2658f6b
commit 212b749
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Showing 3 changed files with 14 additions and 2 deletions.
diff --git a/anchor-cert.tf b/anchor-cert.tf
@@ -13,7 +13,7 @@ resource "tls_self_signed_cert" "trustanchor_cert" {
   is_ca_certificate     = true
 
   subject {
-    common_name = "identity.linkerd.cluster.local"
+    common_name = var.cluster_dns_name
   }
 
   allowed_uses = [
@@ -33,7 +33,7 @@ resource "tls_cert_request" "issuer_req" {
   private_key_pem = tls_private_key.issuer_key.private_key_pem
 
   subject {
-    common_name = "identity.linkerd.cluster.local"
+    common_name = var.cluster_dns_name
   }
 }
 

diff --git a/install.tf b/install.tf
@@ -10,6 +10,12 @@ resource "helm_release" "linkerd" {
     file("${path.module}/${local.values}"),
     var.helm_values_linkerd
   ]
+
+  set {
+    name  = "clusterDomain"
+    value = var.cluster_dns_name
+  }
+
   set_sensitive {
     name  = "identityTrustAnchorsPEM"
     value = var.external_trustanchor ? var.trustanchor_cert.cert_pem : tls_self_signed_cert.trustanchor_cert[0].cert_pem

diff --git a/variables.tf b/variables.tf
@@ -1,3 +1,9 @@
+variable "cluster_dns_name" {
+  description = "DNS Domainname for the cluster"
+  type        = string
+  default     = "cluster.local"
+}
+
 variable "enable_linkerd_ha" {
   description = "Enable Linkerd HA Mode for production cluster if true"
   type        = bool