---
- 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_rsa_key
      - /etc/ssh/ssh_host_rsa_key.pub
  tasks:
    - name: "Backup configuration files"
      ansible.builtin.include_tasks: tasks/backup.yml

    - name: Configure sshd with the role disabled
      ansible.builtin.include_role:
        name: ansible-sshd
      vars:
        sshd_enable: false
        sshd:
          AcceptEnv: XDG_*
          Banner: /etc/issue
          Ciphers: aes256-ctr,aes128-ctr
        sshd_config_file: /etc/ssh/sshd_config

    - name: Print current configuration file
      ansible.builtin.slurp:
        src: /etc/ssh/sshd_config
      register: config

    - name: Print effective configuration
      ansible.builtin.shell: |
        set -eu
        if set -o | grep pipefail 2>&1 /dev/null ; then
          set -o pipefail
        fi
        if test ! -f /etc/ssh/ssh_host_rsa_key; then
          ssh-keygen -q -t rsa -f /etc/ssh/ssh_host_rsa_key -C '' -N ''
        fi
        sshd -T
      register: runtime
      changed_when: false

    - name: Check the options were not applied
      # note, the options are in lower-case here
      ansible.builtin.assert:
        that:
          - "'Acceptenv XDG_*' not in config.content | b64decode"
          - "'Banner /etc/issue' not in config.content | b64decode"
          - "'Ciphers aes256-ctr,aes128-ctr' not in config.content | b64decode"
          - "'acceptenv XDG_*' not in runtime.stdout"
          - "'banner /etc/issue' not in runtime.stdout"
          - "'ciphers aes256-ctr,aes128-ctr' not in runtime.stdout"

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