refactor: Add template language to the template file name

terraform/modules/k8s-cluster/manager-node.tf

@@ -80,7 +80,7 @@ resource "hcloud_server" "manager" {
     "manager" : "yes"
   }
 
-  user_data = templatefile("${path.module}/templates/cloud-init-k8s-manager.tftpl", {
+  user_data = templatefile("${path.module}/templates/cloud-init-k8s-manager.yaml.tftpl", {
     admin_public_ssh_key : format("%s %s", var.admin_ssh_key.public_key, var.admin_ssh_key.name)
     admin_user : var.admin_user
     terraform_public_ssh_key : var.terraform_public_ssh_key

terraform/modules/k8s-cluster/templates/cloud-init-k8s-manager.yaml.tftpl

@@ -0,0 +1,91 @@
+#cloud-config
+users:
+  - name: ${admin_user}
+    groups: users, admin, microk8s
+    sudo: ALL=(ALL) NOPASSWD:ALL
+    shell: /bin/bash
+    ssh_authorized_keys:
+      - ${admin_public_ssh_key}
+  - name: terraform
+    groups: users, admin
+    sudo: ALL=(ALL) NOPASSWD:ALL
+    ssh_authorized_keys:
+      - ${terraform_public_ssh_key}
+packages:
+  - linux-generic-hwe-22.04
+package_update: true
+package_upgrade: true
+package_reboot_if_required: true
+write_files:
+  - owner: root:root
+    content: "${microk8s_config}"
+    path: /run/tmpfiles.d/microk8s.yaml
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${snapcraft}"
+    path: /run/tmpfiles.d/snapcraft.yaml
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${packages_setup}"
+    path: /run/tmpfiles.d/install-packages.sh
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${firewall_setup}"
+    path: /run/tmpfiles.d/firewall-setup.sh
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${ssh_setup}"
+    path: /run/tmpfiles.d/ssh-setup.sh
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${sysctl_setup}"
+    path: /run/tmpfiles.d/sysctl-setup.sh
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${microk8s_setup}"
+    path: /run/tmpfiles.d/microk8s-setup.sh
+    encoding: base64
+    defer: true
+%{ if main_node ~}
+  - owner: root:root
+    content: "${cluster_setup}"
+    path: /run/tmpfiles.d/cluster-setup.sh
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${cluster_setup_values}"
+    path: /run/tmpfiles.d/cluster-setup-values.yaml
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${argocd_ha_values}"
+    path: /run/tmpfiles.d/argocd-values-ha.yaml
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${argocd_values}"
+    path: /run/tmpfiles.d/argocd-values.yaml
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${cilium_values}"
+    path: /run/tmpfiles.d/cilium-values.yaml
+    encoding: base64
+    defer: true
+%{ endif ~}
+runcmd:
+  - install /run/tmpfiles.d/*.sh /usr/local/bin
+  - /usr/local/bin/install-packages.sh
+  - /usr/local/bin/firewall-setup.sh
+  - /usr/local/bin/ssh-setup.sh
+  - /usr/local/bin/sysctl-setup.sh
+  - /usr/local/bin/microk8s-setup.sh
+%{ if main_node ~}
+  - sudo /usr/local/bin/cluster-setup.sh
+%{ endif ~}

terraform/modules/k8s-cluster/templates/cloud-init-k8s-worker.yaml.tftpl

@@ -0,0 +1,62 @@
+#cloud-config
+users:
+  - name: ${admin_user}
+    groups: users, admin, microk8s
+    sudo: ALL=(ALL) NOPASSWD:ALL
+    shell: /bin/bash
+    ssh_authorized_keys:
+      - ${admin_public_ssh_key}
+  - name: terraform
+    groups: users, admin
+    sudo: ALL=(ALL) NOPASSWD:ALL
+    ssh_authorized_keys:
+      - ${terraform_public_ssh_key}
+packages:
+  - linux-generic-hwe-22.04
+package_update: true
+package_upgrade: true
+package_reboot_if_required: true
+write_files:
+  - owner: root:root
+    content: "${microk8s_config}"
+    path: /run/tmpfiles.d/microk8s.yaml
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${snapcraft}"
+    path: /run/tmpfiles.d/snapcraft.yaml
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${packages_setup}"
+    path: /run/tmpfiles.d/install-packages.sh
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${firewall_setup}"
+    path: /run/tmpfiles.d/firewall-setup.sh
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${ssh_setup}"
+    path: /run/tmpfiles.d/ssh-setup.sh
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${sysctl_setup}"
+    path: /run/tmpfiles.d/sysctl-setup.sh
+    encoding: base64
+    defer: true
+  - owner: root:root
+    content: "${microk8s_setup}"
+    path: /run/tmpfiles.d/microk8s-setup.sh
+    encoding: base64
+    defer: true
+runcmd:
+  - install /run/tmpfiles.d/*.sh /usr/local/bin
+  - /usr/local/bin/install-packages.sh
+  - /usr/local/bin/firewall-setup.sh
+  - /usr/local/bin/ssh-setup.sh
+  - /usr/local/bin/sysctl-setup.sh
+  - /usr/local/bin/microk8s-setup.sh
+

terraform/modules/k8s-cluster/worker-node.tf

@@ -59,7 +59,7 @@ resource "hcloud_server" "worker" {
     "worker" : "yes"
   }
 
-  user_data = templatefile("${path.module}/templates/cloud-init-k8s-worker.tftpl", {
+  user_data = templatefile("${path.module}/templates/cloud-init-k8s-worker.yaml.tftpl", {
     admin_public_ssh_key : format("%s %s", var.admin_ssh_key.public_key, var.admin_ssh_key.name)
     admin_user : var.admin_user
     terraform_public_ssh_key : var.terraform_public_ssh_key