skylab-ansible/playbooks/update.yaml

---
- name: Update system
  hosts: all
  tags:
    - packages
  vars_files:
    - vars/packages.yaml
  tasks:
    - name: Update system packages via DNF
      when: ansible_distribution == "Rocky"
      become: true
      ansible.builtin.dnf:
        name: "*"
        state: latest

- name: Update unix accounts
  hosts: all
  tags:
    - accounts
    - access
  vars_files:
    - vars/access.yaml
    - vars/sshkeys.yaml
  tasks:
    - name: Create management groups
      become: true
      ansible.builtin.group:
        name: "{{ item.name }}"
        gid: "{{ item.gid }}"
        state: present
      loop:
        - "{{ skylab_group }}"
        - "{{ skylab_group_admin }}"
        - "{{ skylab_group_automation }}"

    - name: Determine existing skylab users
      changed_when: false
      ansible.builtin.shell:
        cmd: 'grep {{ skylab_group.name }} /etc/group | cut --delimiter : --fields 4 | tr "," "\n"'
      register: _existing_skylab_accounts

    - name: Delete removed user accounts
      become: true
      when: item not in (skylab_accounts | items2dict(key_name='name', value_name='uid'))
      ansible.builtin.user:
        name: "{{ item }}"
        state: absent
      loop: "{{ _existing_skylab_accounts.stdout_lines }}"

    - name: Delete removed user groups
      become: true
      when: item not in (skylab_accounts | items2dict(key_name='name', value_name='uid'))
      ansible.builtin.group:
        name: "{{ item }}"
        state: absent
      loop: "{{ _existing_skylab_accounts.stdout_lines }}"

    - name: Delete removed user home directories
      become: true
      when: item not in (skylab_accounts | items2dict(key_name='name', value_name='uid'))
      ansible.builtin.file:
        path: "/home/{{ item }}"
        state: absent
      loop: "{{ _existing_skylab_accounts.stdout_lines }}"

    - name: Create account groups
      when: item.targets | intersect(skylab_targets)
      become: true
      ansible.builtin.group:
        name: "{{ item.name }}"
        gid: "{{ item.uid }}"
        state: present
      loop: "{{ skylab_accounts }}"
      loop_control:
        label: "{{ item.uid }},{{ item.name }}"

    - name: Determine account groups
      ansible.builtin.set_fact:
        _determined_member_groups: "{{ _determined_member_groups | default({}) | combine({item.name: [
          skylab_group.name,
          'wheel' if (item.admin | default(false) and ansible_distribution == 'Rocky') else '',
          'sudo' if (item.admin | default(false) and ansible_os_family == 'Debian') else '',
          skylab_group_admin.name if item.admin | default(false) else '',
          skylab_group_automation.name if item.service | default(false) else '',
        ]}) }}"
      loop: "{{ skylab_accounts }}"
      loop_control:
        label: "{{ item.uid }},{{ item.name }}"

    - name: Create accounts
      when: item.targets | intersect(skylab_targets)
      become: true
      ansible.builtin.user:
        name: "{{ item.name }}"
        state: present
        uid: "{{ item.uid }}"
        group: "{{ item.name }}"
        groups: "{{ _determined_member_groups[item.name] }}"
        comment: "{{ item.fullname | default('') }}"
        system: "{{ item.service | default(false) }}"
        generate_ssh_key: false
        password: "{{ item.password }}"
      loop: "{{ skylab_accounts }}"
      loop_control:
        label: "{{ item.uid }},{{ item.name }}"

    - name: Ensure proper ownership of user home directories
      become: true
      ansible.builtin.file:
        path: /home/{{ item.name }}
        state: directory
        group: "{{ item.name }}"
        owner: "{{ item.name }}"
        mode: 0700
      loop: "{{ skylab_accounts }}"
      loop_control:
        label: "{{ item.uid }},{{ item.name }}"

    - name: Enforce root password
      become: true
      ansible.builtin.user:
        name: root
        password: "{{ skylab_root_password }}"
        state: present

    - name: Create SSH directory
      become: true
      ansible.builtin.file:
        path: /home/{{ item.name }}/.ssh
        owner: "{{ item.name }}"
        group: "{{ item.name }}"
        state: directory
        mode: 0700
      loop: "{{ skylab_accounts }}"
      loop_control:
        label: "{{ item.uid }},{{ item.name }}"

    - name: Update authorized keys
      become: true
      when: item.targets | intersect(skylab_targets)
      ansible.builtin.authorized_key:
        user: "{{ item.name }}"
        key: "{{ skylab_ssh_keys[item.name] | join('\n') }}"
        state: present
        exclusive: true
      loop: "{{ skylab_accounts }}"
      loop_control:
        label: "{{ item.uid }},{{ item.name }}"

    - name: Enforce ownership of authorized keys
      become: true
      when: item.targets | intersect(skylab_targets)
      ansible.builtin.file:
        path: /home/{{ item.name }}/.ssh/authorized_keys
        state: file
        owner: "{{ item.name }}"
        group: "{{ item.name }}"
        mode: 0400
      loop: "{{ skylab_accounts }}"
      loop_control:
        label: "{{ item.uid }},{{ item.name }}"