Feature: Enable user_data's file generation

This feature allow custom user-data's file generation by the user.
It is usefull for example when user needs to set up an advanced ssh configuration (special user, SSH certificate-based authentication)

Signed-off-by: vguillard <vincent.guillard@b-com.com>
Story: 2010475
Task: 47036
Change-Id: I2831e58d84f1da03485f8315eccdd2e79231e584

playbooks/roles/bifrost-configdrives-dynamic/defaults/main.yml

@@ -32,3 +32,12 @@ iso_gen_utility: "mkisofs"
 # Ensure that Ansible is using python interpreter and dependencies inside the bifrost virtual environment
 bifrost_venv_dir: "{{ lookup('env', 'VENV') or '/opt/stack/bifrost' }}"
 ansible_python_interpreter: "{{ bifrost_venv_dir + '/bin/python3' }}"
+
+# Define your user-data's script here (cloud-config syntax)
+# For example:
+# user_data_content: |
+#   users:
+#     name: myuser
+#
+#   timezone: "Europe/Paris"
++user_data_content:

playbooks/roles/bifrost-configdrives-dynamic/tasks/main.yml

@@ -83,6 +83,16 @@
   when:
     - addressing_mode is undefined or "dhcp" not in addressing_mode
 
+- name: "Generate user_data"
+  template:
+    src: raw_user_data.j2
+    dest: "{{ variable_configdrive_location.path }}/{{ uuid }}/openstack/{{ item }}/user_data"
+  loop: "{{ metadata_versions }}"
+  when:
+    - user_data_content is defined
+    - user_data_content | length > 0
+
+
 - name: "Make metadata folder - /openstack/content"
   file:
     state: directory

playbooks/roles/bifrost-configdrives-dynamic/templates/raw_user_data.j2

@@ -0,0 +1,3 @@
+#cloud-config
+
+{{ user_data_content }}

releasenotes/notes/create-cloud-config-e4e15a422bc04adf.yaml

@@ -0,0 +1,17 @@
+---
+features:
+  - |
+    bifrost introduce now the ``user_data content`` variable
+    which allows to the user to provide its custom cloud-config file
+    For example:
+    .. code-block:: yaml
+
+        user_data_content: |
+          users:
+            name: myuser
+            sudo: ALL=(ALL) NOPASSWD:ALL
+            shell: /bin/bash
+            passwd: <HASH_OF_MY_PASSWORD>
+            lock_passwd: false
+
+          timezone: "Europe/Paris"