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Ansible Role jm1.cloudy.cloudinit

This role helps with changing the cloud-init configuration, e.g. files in /etc/cloud/cloud.cfg.d/. Role variable cloudinit_config defines a list of tasks which will be run by this role. Each task calls an Ansible module similar to tasks in roles or playbooks except that only few keywords such as when are supported. For example, to disable cloud-init's network configuration, define variable cloudinit_config in group_vars or host_vars as such:

cloudinit_config:
- # disable network configuration with cloud-init
  ansible.builtin.copy:
    content: |
      # 2021 Jakob Meng, <[email protected]>
      network: {config: disabled}
    dest: /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg
    owner: root
    group: root
    mode: u=rw,g=r,o=r

Once all tasks have been run and if anything has changed, then the system will automatically be rebooted to apply the cloud-init configuration.

Tested OS images

Available on Ansible Galaxy in Collection jm1.cloudy.

Requirements

This role uses module(s) from collection jm1.ansible. To install this collection you may follow the steps described in README.md using the provided requirements.yml.

Variables

Name Default value Required Description
cloudinit_config [] false List of tasks to run 1 2 3

Dependencies

None.

Example Playbook

- hosts: all
  become: true
  vars:
    # Variables are listed here for convenience and illustration.
    # In a production setup, variables would be defined e.g. in
    # group_vars and/or host_vars of an Ansible inventory.
    # Ref.:
    # https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html
    # https://docs.ansible.com/ansible/latest/user_guide/intro_inventory.html
    cloudinit_config:
    - # disable network configuration with cloud-init
      ansible.builtin.copy:
        content: |
          # 2021 Jakob Meng, <[email protected]>
          network: {config: disabled}
        dest: /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg
        owner: root
        group: root
        mode: u=rw,g=r,o=r
  roles:
  - name: Change cloud-init configuration
    role: jm1.cloudy.cloudinit
    tags: ["jm1.cloudy.cloudinit"]

For instructions on how to run Ansible playbooks have look at Ansible's Getting Started Guide.

License

GNU General Public License v3.0 or later

See LICENSE.md to see the full text.

Author

Jakob Meng @jm1 (github, galaxy, web)

Footnotes

  1. Useful Ansible modules in this context could be blockinfile, copy, debconf, file, lineinfile and template.

  2. Tasks will be executed with jm1.ansible.execute_module which supports keyword when only.

  3. Tasks will be executed with jm1.ansible.execute_module which supports modules and action plugins only. Some Ansible modules such as ansible.builtin.meta and ansible.builtin.{include,import}_{playbook,role,tasks} are core features of Ansible, in fact not implemented as modules and thus cannot be called from jm1.ansible.execute_module. Doing so causes Ansible to raise errors such as MODULE FAILURE\nSee stdout/stderr for the exact error. In addition, Ansible does not support free-form parameters for arbitrary modules, so for example, change from - debug: msg="" to - debug: { msg: "" }.