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

    - name: Remove host key before the test
      ansible.builtin.file:
        path: /tmp/ssh_host_rsa_key
        state: absent

    - name: Configure sshd  # noqa var-naming
      ansible.builtin.include_role:
        name: ansible-sshd
      vars:
        sshd:
          Banner: /etc/issue
          Ciphers: aes256-ctr
          HostKey: /etc/ssh/ssh_host_rsa_key
        sshd_Ciphers: aes128-ctr
        sshd_Banner: /etc/good-issue
        sshd_HostKey: /tmp/ssh_host_rsa_key

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

        - name: List effective configuration using sshd -T
          ansible.builtin.command: sshd -T
          register: runtime
          changed_when: false

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

        - name: Check the sshd_* values are effective in runtime
          # note, the options are in lower-case here
          ansible.builtin.assert:
            that:
              - "'banner /etc/good-issue' in runtime.stdout"
              - "'ciphers aes128-ctr' in runtime.stdout"
              - "'hostkey /tmp/ssh_host_rsa_key' in runtime.stdout"

        - name: Check the options are in configuration file
          ansible.builtin.assert:
            that:
              - "'Banner /etc/good-issue' in config.content | b64decode"
              - "'Ciphers aes128-ctr' in config.content | b64decode"
              - "'HostKey /tmp/ssh_host_rsa_key' in config.content | b64decode"
      tags: tests::verify

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