⏫ Update Terraform Helm provider to 3.X

prepare-labs/terraform/many-kubernetes/stage2.tmpl

@@ -4,6 +4,10 @@ terraform {
       source  = "hashicorp/kubernetes"
       version = "2.16.1"
     }
+    helm = {
+      source = "hashicorp/helm"
+      version = "~> 3.0"
+    }
   }
 }
 
@@ -16,7 +20,7 @@ provider "kubernetes" {
 
 provider "helm" {
   alias = "cluster_${index}"
-  kubernetes {
+  kubernetes = {
     config_path = "./kubeconfig.${index}"
   }
 }
@@ -51,42 +55,37 @@ resource "helm_release" "shpod_${index}" {
   name = "shpod"
   namespace = "shpod"
   create_namespace = false
-  set {
-    name = "service.type"
-    value = "NodePort"
-  }
-  set {
-    name = "resources.requests.cpu"
-    value = "100m"
-  }
-  set {
-    name = "resources.requests.memory"
-    value = "500M"
-  }
-  set {
-    name = "resources.limits.cpu"
-    value = "1"
-  }
-  set {
-    name = "resources.limits.memory"
-    value = "1000M"
-  }
-  set {
-    name = "persistentVolume.enabled"
-    value = "true"
-  }
-  set {
-    name = "ssh.password"
-    value = random_string.shpod_${index}.result
-  }
-  set {
-    name = "rbac.cluster.clusterRoles"
-    value = "{cluster-admin}"
-  }
-  set {
-    name = "codeServer.enabled"
-    value = "true"
-  }
+  values = [
+    yamlencode({
+      service = {
+        type = "NodePort"
+      }
+      resources = {
+        requests = {
+          cpu = "100m"
+          memory = "500M"
+        }
+        limits = {
+          cpu = "1"
+          memory = "1000M"
+        }
+      }
+      persistentVolume = {
+        enabled = true
+      }
+      ssh = {
+        password = random_string.shpod_${index}.result
+      }
+      rbac = {
+        cluster = {
+          clusterRoles = [ "cluster-admin" ]
+        }
+      }
+      codeServer = {
+        enabled = true
+      }
+    })
+  ]
 }
 
 resource "helm_release" "metrics_server_${index}" {
@@ -101,10 +100,11 @@ resource "helm_release" "metrics_server_${index}" {
   name = "metrics-server"
   namespace = "metrics-server"
   create_namespace = true
-  set {
-    name = "args"
-    value = "{--kubelet-insecure-tls}"
-  }
+  values = [
+    yamlencode({
+      args = [ "--kubelet-insecure-tls" ]
+    })
+  ]
 }
 
 # This section here deserves a little explanation.

prepare-labs/terraform/many-kubernetes/variables.tf

@@ -23,7 +23,7 @@ variable "node_size" {
 }
 
 variable "location" {
-  type = string
+  type    = string
   default = null
 }
 

prepare-labs/terraform/one-kubernetes/scaleway/main.tf

@@ -30,7 +30,7 @@ resource "scaleway_k8s_pool" "_" {
   max_size    = var.max_nodes_per_pool
   autoscaling = var.max_nodes_per_pool > var.min_nodes_per_pool
   autohealing = true
-  depends_on = [ scaleway_instance_security_group._ ]
+  depends_on  = [scaleway_instance_security_group._]
 }
 
 data "scaleway_k8s_version" "_" {

prepare-labs/terraform/one-kubernetes/vcluster/main.tf

@@ -5,24 +5,23 @@ resource "helm_release" "_" {
   repository       = "https://charts.loft.sh"
   chart            = "vcluster"
   version          = "0.19.7"
-  set {
-    name  = "service.type"
-    value = "NodePort"
-  }
-  set {
-    name  = "storage.persistence"
-    value = "false"
-  }
-  set {
-    name  = "sync.nodes.enabled"
-    value = "true"
-  }
-  set {
-    name  = "sync.nodes.syncAllNodes"
-    value = "true"
-  }
-  set {
-    name  = "syncer.extraArgs"
-    value = "{--tls-san=${local.guest_api_server_host}}"
-  }
+  values = [
+    yamlencode({
+      service = {
+        type = "NodePort"
+      }
+      storage = {
+        persistence = false
+      }
+      sync = {
+        nodes = {
+          enabled      = true
+          syncAllNodes = true
+        }
+      }
+      syncer = {
+        extraArgs = ["--tls-san=${local.guest_api_server_host}"]
+      }
+    })
+  ]
 }

prepare-labs/terraform/one-kubernetes/vcluster/provider.tf

@@ -0,0 +1,8 @@
+terraform {
+  required_providers {
+    helm = {
+      source  = "hashicorp/helm"
+      version = "~> 3.0"
+    }
+  }
+}

prepare-labs/terraform/providers/vcluster/config.tf

@@ -1,5 +1,5 @@
 provider "helm" {
-  kubernetes {
+  kubernetes = {
     config_path = "~/kubeconfig"
   }
 }