Update readme

hetzner/Makefile

@@ -9,8 +9,7 @@ prepare:
 
 create-lb: ## Create load balancer
 	terraform init
-	terraform apply -auto-approve -target=output.controlplane_endpoint
-	terraform output controlplane_endpoint
+	terraform apply -auto-approve -target=hcloud_floating_ip.api -target=hcloud_load_balancer.api
 
 create-config: ## Genereate talos configs
 	talosctl gen config --output-dir _cfgs --with-docs=false --with-examples=false talos-k8s-hetzner https://${ENDPOINT}:6443
@@ -31,11 +30,11 @@ create-templates:
 	@yq eval -o=json '{"kubernetes": .}' _cfgs/tfstate.vars > terraform.tfvars.json
 
 create-controlplane: ## Bootstrap first controlplane node
-	terraform apply -target=hcloud_server.controlplane
+	terraform apply -auto-approve -target=hcloud_server.controlplane
 
 create-infrastructure: ## Bootstrap all nodes
 	cd modules/worker && terraform init
 	terraform apply
 
-create-kubeconfig:
+create-kubeconfig: ## Prepare kubeconfig
 	talosctl --talosconfig _cfgs/talosconfig --nodes 172.16.0.11 kubeconfig

hetzner/README.md

@@ -23,33 +23,18 @@ This terraform example install Talos on [HCloud](https://www.hetzner.com/cloud)
 
 ## Prepare the base image
 
-First, prepare variables to your environment
+Use packer (system_os/hetzner) to upload image.
 
-```shell
-export TF_VAR_hcloud_token=KEY
-```
+## Create control plane lb
 
-Terraform will run the VM in recovery mode, replace the base image and take a snapshote. Do not run terraform destroy after. It will delete the snapshot.
-
-```shell
-make prepare-image
-```
-
-## Install control plane
-
-Generate the default talos config
-
-```shell
-make create-config create-templates
-```
-
-open config file **terraform.tfvars** and add params
+open config file **terraform.tfvars** and add params.
 
 ```hcl
 # counts and type of kubernetes master nodes
 controlplane = {
-    count = 1,
-    type  = "cpx11"
+    count   = 1,
+    type    = "cpx11"
+    type_lb = ""
 }
 
 # regions to use
@@ -58,15 +43,15 @@ regions = ["nbg1", "fsn1", "hel1"]
 # counts and type of worker nodes by redion
 instances = {
     "nbg1" = {
-      web_count            = 1,
+      web_count            = 0,
       web_instance_type    = "cx11",
-      worker_count         = 1,
+      worker_count         = 0,
       worker_instance_type = "cx11",
     },
     "fsn1" = {
-      web_count            = 1,
+      web_count            = 0,
       web_instance_type    = "cx11",
-      worker_count         = 1,
+      worker_count         = 0,
       worker_instance_type = "cx11",
     }
     "hel1" = {
@@ -78,13 +63,36 @@ instances = {
 }
 ```
 
+```shell
+make create-lb
+```
+
+## Install control plane
+
+Generate the default talos config
+
+```shell
+make create-config create-templates
+```
+
 And deploy the kubernetes master nodes
 
 ```shell
 make create-controlplane
 ```
 
-Then deploy all other instances
+Bootstrap the first node
+
+```shell
+talosctl --talosconfig _cfgs/talosconfig config endpoint $controlplane_firstnode
+talosctl --talosconfig _cfgs/talosconfig --nodes $controlplane_firstnode bootstrap
+```
+
+```shell
+make create-kubeconfig
+```
+
+## Deploy all other instances
 
 ```shell
 make create-infrastructure

hetzner/instances-master.tf

@@ -26,6 +26,7 @@ resource "hcloud_server" "controlplane" {
       lbv6           = local.lbv6
       hcloud_network = hcloud_network.main.id
       hcloud_token   = var.hcloud_token
+      labels         = "topology.kubernetes.io/region=${element(var.regions, count.index)}"
     })
   )
 

hetzner/outputs.tf

@@ -5,6 +5,12 @@ output "controlplane_endpoint" {
   depends_on  = [hcloud_load_balancer.api]
 }
 
+output "controlplane_firstnode" {
+  description = "Kubernetes controlplane first node"
+  value       = hcloud_server.controlplane[0].ipv4_address
+}
+
+
 output "controlplane_nodes" {
   description = "Kubernetes controlplane nodes"
   value = [

hetzner/templates/controlplane.yaml.tpl

@@ -14,6 +14,12 @@ machine:
     extraArgs:
       node-ip: "${ipv4_local}"
       rotate-server-certificates: true
+      node-labels: "${labels}"
+    clusterDNS:
+      - 169.254.2.53
+      - ${cidrhost(split(",",serviceSubnets)[0], 10)}
+    nodeIP:
+      validSubnets: ${format("%#v",split(",",nodeSubnets))}
   network:
     hostname: "${name}"
     interfaces:
@@ -49,6 +55,9 @@ machine:
       keys:
         - nodeID: {}
           slot: 0
+      options:
+        - no_read_workqueue
+        - no_write_workqueue
 cluster:
   controlPlane:
     endpoint: https://${ipv4_vip}:6443

hetzner/variables.tf

@@ -45,7 +45,7 @@ variable "controlplane" {
   default = {
     count   = 0,
     type    = "cpx11"
-    type_lb = ""
+    type_lb = "" # lb11, if "" use floating-ip
   }
 }