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

    - name: Ensure group 'nobody' exists
      group:
        name: nobody

    - name: Ensure the user 'nobody' exists
      user:
        name: nobody
        group: nobody
        comment: nobody
        create_home: no
        shell: /sbin/nologin

# Configure alternative sshd_config file
- hosts: all
  roles:
    - ansible-sshd
  vars:
    # just anything -- will not get processed by sshd
    sshd_config_file: /etc/ssh/sshd_config_custom
    sshd_config_owner: "nobody"
    sshd_config_group: "nobody"
    sshd_config_mode: "660"
    sshd_skip_defaults: true
    sshd:
      AcceptEnv: LANG
      Banner: /etc/issue
      Ciphers: aes256-ctr
    sshd_Compression: no

# Configure second alternative sshd_config file
- hosts: all
  roles:
    - ansible-sshd
  vars:
    # just anything -- will not get processed by sshd
    sshd_config_file: /etc/ssh/sshd_config_custom_second
    sshd_skip_defaults: true
    sshd:
      Banner: /etc/issue2
      Ciphers: aes128-ctr
    sshd_MaxStartups: 100

# Now configure the main sshd_config file
- hosts: all
  roles:
    - ansible-sshd
  vars:
    sshd_config_file: /etc/ssh/sshd_config
    sshd:
      Banner: /etc/issue
      Ciphers: aes192-ctr
      HostKey:
        - /tmp/ssh_host_ecdsa_key
    sshd_PasswordAuthentication: no

- hosts: all
  vars:
    __sshd_test_backup_files:
      - /etc/ssh/sshd_config
      - /etc/ssh/sshd_config.d/00-ansible_system_role.conf
      - /etc/ssh/sshd_config_custom
      - /etc/ssh/sshd_config_custom_second
  tasks:
    - name: Setup variables
      include_tasks: tasks/setup.yml

    - name: Verify the options are correctly set
      block:
        - meta: flush_handlers

        - name: Print current configuration file
          slurp:
            src: /etc/ssh/sshd_config_custom
          register: config

        - name: Get stat of the configuration file
          stat:
            path: /etc/ssh/sshd_config_custom
          register: config_stat

        - name: Print second configuration file
          slurp:
            src: /etc/ssh/sshd_config_custom_second
          register: config2

        - name: Print the main configuration file
          slurp:
            src: /etc/ssh/sshd_config
          register: config3

        - name: Check content of first configuration file
          assert:
            that:
              - "'AcceptEnv LANG' in config.content | b64decode"
              - "'Banner /etc/issue' in config.content | b64decode"
              - "'Ciphers aes256-ctr' in config.content | b64decode"
              - "'HostKey' not in config.content | b64decode"
              - "'Compression no' in config.content | b64decode"
              - "'MaxStartups 100' not in config.content | b64decode"

        - name: Check content of second configuration file
          assert:
            that:
              - "'Banner /etc/issue2' in config2.content | b64decode"
              - "'Ciphers aes128-ctr' in config2.content | b64decode"
              - "'HostKey' not in config2.content | b64decode"
              - "'MaxStartups 100' in config2.content | b64decode"
              - "'Compression no' not in config2.content | b64decode"

        - name: Check content of the main configuration file
          assert:
            that:
              - "'Banner /etc/issue' in config3.content | b64decode"
              - "'Ciphers aes192-ctr' in config3.content | b64decode"
              - "'HostKey /tmp/ssh_host_ecdsa_key' in config3.content | b64decode"
              - "'PasswordAuthentication no' in config3.content | b64decode"
              - "'MaxStartups 100' not in config3.content | b64decode"
              - "'Compression no' not in config3.content | b64decode"

        - name: Check the generated config has requested properties
          assert:
            that:
              - config_stat.stat.exists
              - config_stat.stat.gr_name == 'nobody'
              - config_stat.stat.pw_name == 'nobody'
              - config_stat.stat.mode == '0660'
      tags: tests::verify

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