Adding support for helm releases

Intended for setting up the nginx-ingress controller

infra/vultr-kubernetes/backend.tf

@@ -19,6 +19,10 @@ terraform {
       source  = "hashicorp/kubernetes"
       version = "2.37.1"
     }
+    helm = {
+      source  = "hashicorp/helm"
+      version = "3.0.2"
+    }
 
     tls = {
       source  = "hashicorp/tls"
@@ -44,4 +48,9 @@ provider kubernetes {
   config_path = "config.yaml"
 }
 
-
+provider helm {
+  kubernetes = {
+    host = data.vultr_kubernetes.athens.endpoint
+    cluster_ca_certificate = data.vultr_kubernetes.athens.cluster_ca_certificate
+  }
+}

infra/vultr-kubernetes/data.tf

@@ -0,0 +1,6 @@
+data vultr_kubernetes athens {
+    filter {
+        name = "label"
+        values = [ var.cluster.label ]
+    }
+}