ci: initial cluster state

tofu/main.tf

@@ -0,0 +1,124 @@
+terraform {
+  required_providers {
+    libvirt = {
+      source  = "dmacvicar/libvirt"
+      version = "0.8.3"
+    }
+  }
+}
+
+provider "libvirt" {
+  uri = var.libvirt_uri
+}
+
+# --- Base Image Handling ---
+# Download the base cloud image if it doesn't exist locally
+resource "libvirt_volume" "base_image" {
+  name   = var.base_image_name
+  pool   = var.libvirt_pool
+  source = var.base_image_url
+  format = "qcow2"
+}
+
+# --- Cloud-Init Configuration ---
+# Common cloud-init data for all nodes
+data "cloudinit_config" "common_init" {
+  gzip          = false
+  base64_encode = false
+
+  part {
+    content_type = "text/cloud-config"
+    content = templatefile("${path.module}/cloud_init.cfg.yml", {
+      user = var.vm_user
+      ssh_authorized_keys = [chomp(file(pathexpand(var.ssh_public_key_path)))]
+    })
+  }
+}
+
+# Create a cloud-init ISO disk using the common config
+resource "libvirt_cloudinit_disk" "common_iso" {
+  name           = "${var.cluster_name}-common-init.iso"
+  user_data      = data.cloudinit_config.common_init.rendered
+  pool           = var.libvirt_pool
+}
+
+# # --- Network ---
+# # Use the default libvirt network
+# data "libvirt_network" "default_network" {
+#   name = var.libvirt_network_name
+# }
+
+# --- K3s Server Node ---
+# Create a volume for the server node based on the base image
+resource "libvirt_volume" "server_disk" {
+  name           = "${var.server_hostname}-disk.qcow2"
+  base_volume_id = libvirt_volume.base_image.id
+  pool           = var.libvirt_pool
+  size           = var.vm_disk_size
+  format         = "qcow2"
+}
+
+resource "libvirt_domain" "server" {
+  name   = var.server_hostname
+  memory = var.vm_memory
+  vcpu   = var.vm_vcpu
+
+  cloudinit = libvirt_cloudinit_disk.common_iso.id
+
+  network_interface {
+    network_name = var.libvirt_network_name
+    wait_for_lease = true
+  }
+
+  disk {
+    volume_id = libvirt_volume.server_disk.id
+  }
+
+  console {
+    type        = "pty"
+    target_port = "0"
+    target_type = "serial"
+  }
+  graphics {
+     type        = "spice"
+     listen_type = "address"
+     autoport    = true
+  }
+}
+
+# --- K3s Agent Node ---
+resource "libvirt_volume" "agent_disk" {
+  name           = "${var.agent_hostname}-disk.qcow2"
+  base_volume_id = libvirt_volume.base_image.id
+  pool           = var.libvirt_pool
+  size           = var.vm_disk_size
+  format         = "qcow2"
+}
+
+ resource "libvirt_domain" "agent" {
+  name   = var.agent_hostname
+  memory = var.vm_memory
+  vcpu   = var.vm_vcpu
+
+  cloudinit = libvirt_cloudinit_disk.common_iso.id
+
+  network_interface {
+    network_name = var.libvirt_network_name
+    wait_for_lease = true
+  }
+
+  disk {
+    volume_id = libvirt_volume.agent_disk.id
+  }
+
+  console {
+    type        = "pty"
+    target_port = "0"
+    target_type = "serial"
+  }
+   graphics {
+     type        = "spice"
+     listen_type = "address"
+     autoport    = true
+  }
+}