ansible-role-aide/tasks/main.yml

# SPDX-License-Identifier: MIT
---
- name: Set platform/version specific variables
  include_tasks: tasks/set_vars.yml

# Examples of some tasks:
- name: Ensure required packages are installed
  ansible.builtin.package:
    name: "{{ __aide_packages }}"
    state: present
    use: "{{ (__aide_is_ostree | d(false)) |
             ternary('ansible.posix.rhel_rpm_ostree', omit) }}"
  register: __aide_install_packages

- name: Packages are installed
  # either run mode or check mode and no changes to packages
  when: not ansible_check_mode or (ansible_check_mode and not __aide_install_packages.changed)
  block:
    - name: Get AIDE version
      ansible.builtin.command:
        cmd: aide --version
      check_mode: false
      register: __aide_version_register
      changed_when: false

    # assumes the version starts with a digit and goes to the end of the line
    - name: Set AIDE version
      set_fact:
        aide_version: "{{ __output | regex_search('(?m)^A[iI][dD][eE] (\\d.*)$', '\\1') | first }}"
      vars:
        __output: "{{ __aide_version_register.stdout if __aide_version_register.stdout | length > 0
          else __aide_version_register.stderr }}"

    - name: Ensure required services are enabled and started
      ansible.builtin.service:
        name: "{{ item }}"
        state: started
        enabled: true
      loop: "{{ __aide_services }}"

    - name: Generate "/etc/{{ __aide_config }}"
      ansible.builtin.template:
        src: "{{ aide_config_template }}"
        dest: "/etc/{{ __aide_config }}"
        mode: "0400"
      when: aide_config_template is not none

    # - name: Print Header
    #   ansible.builtin.command: head /etc/aide.conf || true

    - name: Initialize AIDE database
      when:
        - not ansible_check_mode
        - aide_init | bool
      block:
        - name: Initialize AIDE database
          ansible.builtin.command:
            cmd: aide --init
          changed_when: true

        - name: Copy AIDE reference database
          ansible.builtin.copy:
            remote_src: true
            src: "{{ __aide_db_new_name }}"
            dest: "{{ __aide_db_name }}"
            owner: root
            group: root
            mode: "0440"
            force: true
          when: not aide_fetch_db | bool

        - name: Remove remote AIDE database file
          ansible.builtin.file:
            path: "{{ __aide_db_new_name }}"
            state: absent
          when: not aide_fetch_db | bool

    - name: Fetch AIDE database
      when:
        - not ansible_check_mode
        - aide_fetch_db | bool
      block:
        - name: Fetch AIDE database
          ansible.builtin.fetch:
            src: "{{ __aide_db_new_name }}"
            dest: "{{ aide_db_fetch_dir }}"

        - name: Remove remote AIDE database file
          ansible.builtin.file:
            path: "{{ __aide_db_new_name }}"
            state: absent

    - name: Check AIDE integrity
      when:
        - not ansible_check_mode
        - aide_check | bool
      block:
        - name: Copy AIDE reference database
          ansible.builtin.copy:
            src: >-
              {{ aide_db_fetch_dir }}/{{ inventory_hostname }}{{ __aide_db_new_name }}
            dest: "{{ __aide_db_name }}"
            owner: root
            group: root
            mode: "0440"
          when: aide_fetch_db | bool

        - name: Check against AIDE reference database
          ansible.builtin.command:
            cmd: aide --check
          changed_when: false

    - name: Update AIDE database and fetch it
      when:
        - not ansible_check_mode
        - aide_update | bool
      block:
        - name: Update AIDE database
          ansible.builtin.command:
            cmd: aide --update
          register: __aide_update_result
          failed_when: __msg not in __aide_update_result.stdout
          changed_when: true
          vars:
            __msg: >-
              AIDE found NO differences between database and filesystem. Looks okay!!

        - name: Fetch AIDE database
          ansible.builtin.fetch:
            src: "{{ __aide_db_new_name }}"
            dest: "{{ aide_db_fetch_dir }}"

        - name: Remove remote AIDE database file
          ansible.builtin.file:
            path: "{{ __aide_db_new_name }}"
            state: absent

    - name: Update aide check cron configuration if necessary
      ansible.builtin.lineinfile:
        path: /etc/crontab
        regexp: "^.* root {{ __aide_bin_path }} --check"
        line: "{{ aide_cron_interval }} root {{ __aide_bin_path }} --check"
      when:
        - aide_cron_check is not none
        - aide_cron_check | bool

    - name: Remove aide check cron configuration if necessary
      ansible.builtin.lineinfile:
        path: /etc/crontab
        state: absent
        regexp: "^.* root {{ __aide_bin_path }} --check"
      when:
        - aide_cron_check is not none
        - not aide_cron_check | bool

    - name: Record role success fingerprint
      sr_fingerprint:
        sr_message: >-
          success system_role:aide ansible_version={{ ansible_version.full }}
          {{ ansible_facts['distribution'] }}-{{ ansible_facts['distribution_version'] }}