initial k3s on MicroOS on Hetzner ok

master.tf

@@ -14,23 +14,6 @@ resource "hcloud_server" "first_control_plane" {
     "engine"      = "k3s"
   }
 
-  provisioner "file" {
-    content = templatefile("${path.module}/templates/master.tpl", {
-      name           = self.name
-      ssh_public_key = local.ssh_public_key
-      k3s_token      = random_password.k3s_token.result
-      master_ip      = local.first_control_plane_network_ip
-    })
-    destination = "/tmp/config.yaml"
-
-    connection {
-      user           = "root"
-      private_key    = local.ssh_private_key
-      agent_identity = local.ssh_identity
-      host           = self.ipv4_address
-    }
-  }
-
   provisioner "file" {
     content = templatefile("${path.module}/templates/config.ign.tpl", {
       name           = self.name
@@ -46,9 +29,9 @@ resource "hcloud_server" "first_control_plane" {
     }
   }
 
-  # Install k3os
+  # Install MicroOS
   provisioner "remote-exec" {
-    inline = local.microOS_install_commands
+    inline = local.MicroOS_install_commands
 
     connection {
       user           = "root"
@@ -57,18 +40,61 @@ resource "hcloud_server" "first_control_plane" {
       host           = self.ipv4_address
     }
   }
-  /*
-  # Wait for MicroOS to be ready and fetch kubeconfig.yaml
+
+  # Wait for MicroOS to reboot and be ready
+  provisioner "local-exec" {
+    command = "sleep 60 && ping ${self.ipv4_address} | grep --line-buffered 'bytes from' | head -1 && sleep 30"
+  }
+
+  # Generating k3s master config file
+  provisioner "file" {
+    content = templatefile("${path.module}/templates/master_config.yaml.tpl", {
+      node_ip   = local.first_control_plane_network_ip
+      token     = random_password.k3s_token.result
+      node_name = self.name
+    })
+    destination = "/etc/rancher/k3s/config.yaml"
+
+    connection {
+      user           = "root"
+      private_key    = local.ssh_private_key
+      agent_identity = local.ssh_identity
+      host           = self.ipv4_address
+    }
+  }
+  # Run the first control plane
+  provisioner "remote-exec" {
+    inline = [
+      "set -ex",
+      # first we disable automatic reboot (after transactional updates), and configure the reboot method as kured
+      "rebootmgrctl set-strategy off && echo 'REBOOT_METHOD=kured' > /etc/transactional-update.conf",
+      # then we initiate the cluster
+      "systemctl --now enable k3s-server",
+    ]
+
+    connection {
+      user           = "root"
+      private_key    = local.ssh_private_key
+      agent_identity = local.ssh_identity
+      host           = self.ipv4_address
+    }
+  }
+
+  # Get the Kubeconfig, and wait for the node to be available
   provisioner "local-exec" {
     command = <<-EOT
-      sleep 60 && ping ${self.ipv4_address} | grep --line-buffered "bytes from" | head -1 && sleep 100 && scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i ${local.ssh_identity_file} rancher@${self.ipv4_address}:/etc/rancher/k3s/k3s.yaml ${path.module}/kubeconfig.yaml
+      set -ex
+      sleep 30
+      scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i ${local.ssh_identity_file} root@${self.ipv4_address}:/etc/rancher/k3s/k3s.yaml ${path.module}/kubeconfig.yaml
       sed -i -e 's/127.0.0.1/${self.ipv4_address}/g' ${path.module}/kubeconfig.yaml
+      sleep 30
     EOT
   }
 
-  # Install Hetzner CCM and CSI
+  # Install the Hetzner CCM and CSI
   provisioner "local-exec" {
     command = <<-EOT
+      set -ex
       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 ${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
@@ -80,7 +106,7 @@ resource "hcloud_server" "first_control_plane" {
   provisioner "local-exec" {
     command = "kubectl apply -f ${local_file.traefik_config.filename} --kubeconfig ${path.module}/kubeconfig.yaml"
   }
-*/
+
   network {
     network_id = hcloud_network.k3s.id
     ip         = local.first_control_plane_network_ip