ansible-sshd/tests/tests_hostkeys_fips.yml

---
- hosts: all
  vars:
    __sshd_test_backup_files:
      - /etc/ssh/sshd_config
      - /etc/ssh/sshd_config.d/00-ansible_system_role.conf
      - /etc/ssh/ssh_host_ed25519_key
      - /etc/ssh/ssh_host_ed25519_key.pub
      - /etc/system-fips
  tasks:
    - name: "Backup configuration files"
      ansible.builtin.include_tasks: tasks/backup.yml

    - name: Run the role with default parameters without FIPS mode
      ansible.builtin.include_role:
        name: ansible-sshd

    - name: Verify the options are correctly set
      block:
        - name: Flush handlers
          ansible.builtin.meta: flush_handlers

        - name: Print current configuration file
          ansible.builtin.slurp:
            src: "{{ main_sshd_config }}"
          register: config

        - name: Get stat of private key
          ansible.builtin.stat:
            path: /etc/ssh/ssh_host_ed25519_key
          register: privkey

        - name: Get stat of public key
          ansible.builtin.stat:
            path: /etc/ssh/ssh_host_ed25519_key.pub
          register: pubkey

        - name: Check the key is in configuration file (without include)
          ansible.builtin.assert:
            that:
              - "'HostKey /etc/ssh/ssh_host_ed25519_key' in config.content | b64decode"
          when:
            - ansible_facts['os_family'] == 'RedHat'
            - ansible_facts['distribution_major_version']|int < 9

        - name: Check host key was generated
          ansible.builtin.assert:
            that:
              - privkey.stat.exists
              - pubkey.stat.exists
      when:
        - ansible_facts['os_family'] == 'RedHat'
        - ansible_facts['distribution_major_version']|int > 6
      tags: tests::verify

    - name: Fake FIPS mode
      block:
        - name: Create temporary directory
          ansible.builtin.tempfile:
            state: directory
          register: fips_directory

        - name: Create a /etc/system-fips
          ansible.builtin.copy:
            dest: /etc/system-fips
            content: userspace fips
            mode: "0644"

        - name: Create a fips_enabled file
          ansible.builtin.copy:
            dest: "{{ fips_directory.path }}/fips_enabled"
            content: 1
            mode: "0644"

        - name: Bind mount the file where we need it
          ansible.builtin.mount:
            path: /proc/sys/crypto/fips_enabled
            src: "{{ fips_directory.path }}/fips_enabled"
            opts: bind
            state: mounted
            fstype: none
          failed_when: false

    - name: Remove the Ed25519 hostkey
      ansible.builtin.file:
        path:
          /etc/ssh/ssh_host_ed25519_key
        state: absent

    - name: Remove the Ed25519 pubkey
      ansible.builtin.file:
        path:
          /etc/ssh/ssh_host_ed25519_key.pub
        state: absent

    - name: Run the role with default parameters
      ansible.builtin.include_role:
        name: ansible-sshd

    - name: Verify the options are correctly set
      block:
        - name: Flush handlers
          ansible.builtin.meta: flush_handlers

        - name: Print current configuration file
          ansible.builtin.slurp:
            src: "{{ main_sshd_config }}"
          register: config

        - name: Get stat of private key
          ansible.builtin.stat:
            path: /etc/ssh/ssh_host_ed25519_key
          register: privkey

        - name: Get stat of public key
          ansible.builtin.stat:
            path: /etc/ssh/ssh_host_ed25519_key.pub
          register: pubkey

        - name: Check the key is not in configuration file
          ansible.builtin.assert:
            that:
              - "'HostKey /etc/ssh/ssh_host_ed25519_key' not in config.content | b64decode"

        - name: Check no host key was generated
          ansible.builtin.assert:
            that:
              - not privkey.stat.exists
              - not pubkey.stat.exists
      when:
        - ansible_facts['os_family'] == 'RedHat'
        - ansible_facts['distribution_major_version']|int > 6
      tags: tests::verify

    - name: Remove the FIPS mode indicators
      block:
        - name: Unmount the file
          mount:
            path: /proc/sys/crypto/fips_enabled
            state: unmounted
          failed_when: false

        - name: Remove the temporary directory
          ansible.builtin.file:
            path: "{{ fips_directory.path }}"
            state: absent

    - name: "Restore configuration files"
      ansible.builtin.include_tasks: tasks/restore.yml