Add terraform deployment method to contrib/examples (#1559)

Co-authored-by: Mike Joseph <mike@Mikes-MacBook-Pro-5618.local>

contrib/examples/terraform/actions-runner-controller.tf

@@ -0,0 +1,60 @@
+### Deploying with exposed github token
+
+resource "kubernetes_namespace" "arc" {
+ metadata {
+   name = "actions-runner-system"
+ }
+}
+
+resource "helm_release" "actions-runner-controller" {
+ count            = var.actions_runner_controller
+ name             = "actions-runner-controller"
+ namespace        = kubernetes_namespace.arc.metadata[0].name
+ create_namespace = true
+ chart            = "actions-runner-controller"
+ repository       = "https://actions-runner-controller.github.io/actions-runner-controller"
+ version          = "v0.19.1"
+ values = [<<EOF
+   authSecret:
+     github_token: hdjasyd7das7d7asd78as87dasdas
+     create: true
+ EOF
+ ]
+ depends_on = [resource.helm_release.cm]
+}
+
+#============================================================================================================================================
+### Deploying with secret manager like AWS's
+# make sure the name of the secret is the same as secret_id
+
+data "aws_secretsmanager_secret_version" "creds" {
+  secret_id = "github/access_token"
+}
+locals {
+  github_creds = jsondecode(
+    data.aws_secretsmanager_secret_version.creds.secret_string
+  )
+}
+
+resource "kubernetes_namespace" "arc" {
+  metadata {
+    name = "actions-runner-system"
+  }
+}
+
+resource "helm_release" "actions-runner-controller" {
+  count            = var.actions_runner_controller
+  name             = "actions-runner-controller"
+  namespace        = kubernetes_namespace.arc.metadata[0].name
+  create_namespace = true
+  chart            = "actions-runner-controller"
+  repository       = "https://actions-runner-controller.github.io/actions-runner-controller"
+  version          = "v0.19.1"
+  values = [<<EOF
+    authSecret:
+      github_token: ${local.github_creds.github_token}
+      create: true
+  EOF
+  ]
+  depends_on = [resource.helm_release.cm]
+}

contrib/examples/terraform/cert-manager.tf

@@ -0,0 +1,27 @@
+# cert-manager must be deployed or included via the deployment process
+
+resource "kubernetes_namespace" "cm" {
+  metadata {
+    name = "cert-manager"
+  }
+}
+
+resource "helm_release" "cm" {
+  count            = var.actions_runner_controller
+  name             = "cm"
+  namespace        = kubernetes_namespace.cm.metadata[0].name
+  create_namespace = true
+  chart            = "cert-manager"
+  repository       = "https://charts.jetstack.io"
+  version          = "v1.8.0"
+  values = [<<EOF
+    global:
+      podSecurityPolicy:
+        enabled: true
+        useAppArmor: true
+    prometheus:
+      enabled: false
+    installCRDs: true
+  EOF
+  ]
+}