MicroOS plus ext partition and user creation

ansible-kvm-vms/roles/os_config/tasks/main.yml

@@ -1,18 +1,28 @@
 ---
-
-- name: Generate Ignition configuration for CoreOS/Flatcar
+- name: Generate Butane config for CoreOS
   template:
-    src: ignition.json.j2
-    dest: "{{ vm_images_dir }}/{{ vm_name }}.ign"
-  when: os_type == 'coreos' or os_type == 'flatcar'
+    src: coreos_ignition.bu.j2
+    dest: "/tmp/{{ vm_name }}.bu"
+  when: os_type == 'coreos'
 
-- name: Generate Cloud-init configuration for MicroOS
+- name: Generate Butane config for Flatcar
   template:
-    src: user-data.yaml.j2
-    dest: "{{ vm_images_dir }}/{{ vm_name }}_user-data"
+    src: flatcar_ignition.bu.j2
+    dest: "/tmp/{{ vm_name }}.bu"
+  when: os_type == 'flatcar'
+
+- name: Generate Butane config for microos
+  template:
+    src: microos_ignition.bu.j2
+    dest: "/tmp/{{ vm_name }}.bu"
   when: os_type == 'microos'
 
+- name: Compile Butane to Ignition JSON
+  shell: |
+    docker run --rm -i quay.io/coreos/butane --pretty --strict < /tmp/{{ vm_name }}.bu > {{ vm_images_dir }}/{{ vm_name }}.ign
+  become: yes
+
 - name: Generate dummy meta-data file
   copy:
     content: "instance-id: {{ vm_name }}\nlocal-hostname: {{ vm_name }}\n"
-    dest: "{{ vm_images_dir }}/{{ vm_name }}_meta-data"
+    dest: "{{ vm_images_dir }}/{{ vm_name }}_meta-data"