Merge branch 'master' into add_output

.gitignore

@@ -1,6 +1,9 @@
 .terraform*
 *.tfstate*
 crash.log
+hetzner/ccm/kustomization.yaml
+hetzner/csi/kustomization.yaml
 kubeconfig.yaml
+kubeconfig.yaml-e
 terraform.tfvars
-templates/rendered/traefik_config.yaml
+templates/rendered/traefik_config.yaml

README.md

@@ -63,7 +63,7 @@ _The Hetzner cli `hcloud` is also useful to have, mainly for debugging without h
 
 1. Create a project in your [Hetzner Cloud Console](https://console.hetzner.cloud/), and go to **Security > API Tokens** of that project to grab the API key. Take note of the key! ✅
 2. Generate an ssh key pair for your cluster, unless you already have one that you'd like to use (ed25519 is the ideal type). Take note of the respective paths of your private and public keys! ✅
-3. Rename `terraform.tfvars.example` to `terraform.tfvars`, and replace the values from steps 1 and 2. ✅
+3. Copy `terraform.tfvars.example` to `terraform.tfvars`, and replace the values from steps 1 and 2. ✅
 4. (Optional) There are other variables in `terraform.tfvars` that could be customized, like Hetzner region, and the node counts and sizes.
 
 ### 🎯 Installation
@@ -134,8 +134,8 @@ kubectl label node <nodename> 'k3os.io/upgrade'-
 If you want to takedown the cluster, you can proceed as follows:
 
 ```sh
-kubectl delete -k hetzer/csi
-kubectl delete -k hetzer/ccm
+kubectl delete -k hetzner/csi
+kubectl delete -k hetzner/ccm
 hcloud load-balancer delete traefik
 terraform destroy -auto-approve
 ```

data.tf

@@ -1,3 +1,19 @@
 data "hcloud_load_balancer" "lb11" {
   name = "traefik"
 }
+  
+data "github_release" "hetzner_ccm" {
+  repository  = "hcloud-cloud-controller-manager"
+  owner       = "hetznercloud"
+  retrieve_by = "latest"
+}
+
+data "github_release" "hetzner_csi" {
+  repository  = "csi-driver"
+  owner       = "hetznercloud"
+  retrieve_by = "latest"
+}
+
+data "hcloud_image" "linux" {
+  name = local.hcloud_image_name
+}

hetzner/ccm/kustomization.yaml

@@ -1,8 +0,0 @@
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
-
-resources:
-- https://github.com/hetznercloud/hcloud-cloud-controller-manager/releases/latest/download/ccm-networks.yaml
-
-patchesStrategicMerge:
-- patch.yaml

hetzner/csi/kustomization.yaml

@@ -1,8 +0,0 @@
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
-
-resources:
-- https://raw.githubusercontent.com/hetznercloud/csi-driver/master/deploy/kubernetes/hcloud-csi.yml
-
-patchesStrategicMerge:
-- patch.yaml

main.tf

@@ -144,8 +144,22 @@ resource "hcloud_firewall" "k3s" {
 
 }
 
-data "hcloud_image" "linux" {
-  name = local.hcloud_image_name
+resource "local_file" "hetzner_ccm_config" {
+  content = templatefile("${path.module}/templates/hetzner_ccm.yaml.tpl", {
+    ccm_version = var.hetzner_ccm_version != null ? var.hetzner_ccm_version : data.github_release.hetzner_ccm.release_tag
+  })
+  filename             = "${path.module}/hetzner/ccm/kustomization.yaml"
+  file_permission      = "0644"
+  directory_permission = "0755"
+}
+
+resource "local_file" "hetzner_csi_config" {
+  content = templatefile("${path.module}/templates/hetzner_csi.yaml.tpl", {
+    csi_version = var.hetzner_csi_version != null ? var.hetzner_csi_version : data.github_release.hetzner_csi.release_tag
+  })
+  filename             = "${path.module}/hetzner/csi/kustomization.yaml"
+  file_permission      = "0644"
+  directory_permission = "0755"
 }
 
 resource "local_file" "traefik_config" {
@@ -153,5 +167,7 @@ resource "local_file" "traefik_config" {
     lb_server_type = var.lb_server_type
     location       = var.location
   })
-  filename = "${path.module}/templates/rendered/traefik_config.yaml"
+  filename             = "${path.module}/templates/rendered/traefik_config.yaml"
+  file_permission      = "0644"
+  directory_permission = "0755"
 }

master.tf

@@ -52,9 +52,9 @@ resource "hcloud_server" "first_control_plane" {
   provisioner "local-exec" {
     command = <<-EOT
       kubectl -n kube-system create secret generic hcloud --from-literal=token=${var.hcloud_token} --from-literal=network=${hcloud_network.k3s.name} --kubeconfig ${path.module}/kubeconfig.yaml
-      kubectl apply -k ${path.module}/hetzner/ccm --kubeconfig ${path.module}/kubeconfig.yaml
+      kubectl apply -k ${dirname(local_file.hetzner_ccm_config.filename)} --kubeconfig ${path.module}/kubeconfig.yaml
       kubectl -n kube-system create secret generic hcloud-csi --from-literal=token=${var.hcloud_token} --kubeconfig ${path.module}/kubeconfig.yaml
-      kubectl apply -k  ${path.module}/hetzner/csi --kubeconfig ${path.module}/kubeconfig.yaml
+      kubectl apply -k ${dirname(local_file.hetzner_csi_config.filename)} --kubeconfig ${path.module}/kubeconfig.yaml
     EOT
   }
 

providers.tf

@@ -1,3 +1,7 @@
+provider "github" {}
+
 provider "hcloud" {
   token = var.hcloud_token
 }
+
+provider "local" {}

templates/hetzner_ccm.yaml.tpl

@@ -0,0 +1,8 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+- "https://github.com/hetznercloud/hcloud-cloud-controller-manager/releases/download/${ccm_version}/ccm-networks.yaml"
+
+patchesStrategicMerge:
+- patch.yaml

templates/hetzner_csi.yaml.tpl

@@ -0,0 +1,8 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+- "https://raw.githubusercontent.com/hetznercloud/csi-driver/${csi_version}/deploy/kubernetes/hcloud-csi.yml"
+
+patchesStrategicMerge:
+- patch.yaml

variables.tf

@@ -1,6 +1,7 @@
 variable "hcloud_token" {
-  description = "Hetzner API tokey"
+  description = "Hetzner Cloud API Token"
   type        = string
+  sensitive   = true
 }
 
 variable "public_key" {
@@ -42,3 +43,15 @@ variable "agents_num" {
   description = "Number of agent nodes."
   type        = number
 }
+
+variable "hetzner_ccm_version" {
+  type        = string
+  default     = null
+  description = "Version of Kubernetes Cloud Controller Manager for Hetzner Cloud"
+}
+
+variable "hetzner_csi_version" {
+  type        = string
+  default     = null
+  description = "Version of Container Storage Interface driver for Hetzner Cloud"
+}

versions.tf

@@ -1,8 +1,16 @@
 terraform {
   required_providers {
+    github = {
+      source  = "integrations/github"
+      version = ">= 4.0.0, < 5.0.0"
+    }
     hcloud = {
       source  = "hetznercloud/hcloud"
       version = ">= 1.0.0, < 2.0.0"
     }
+    local = {
+      source  = "hashicorp/local"
+      version = ">= 2.0.0, < 3.0.0"
+    }
   }
 }