- hosts: all
  strategy: linear
  gather_facts: false
  tasks:
    - raw: >
        if ! python -c ''; then
          if type -p yum; then
            yum -y install python;
          else
            apt-get -y update && apt-get -y install python;
          fi;
        fi

- hosts: all
  strategy: mitogen_free
  # Can't gather facts before here.
  gather_facts: true
  vars:
    distro: "{{ansible_distribution}}"
    ver: "{{ansible_distribution_major_version}}"

    packages:
      common:
        - openssh-server
        - rsync
        - strace
        - sudo
      Debian:
        "9":
          - libjson-perl
          - python-virtualenv
      CentOS:
        "5":
        - sudo
          #- perl-JSON  -- skipped on CentOS 5, packages are a pain.
        "6":
          - perl-JSON
        "7":
          - perl-JSON
          - python-virtualenv

  tasks:
    - when: ansible_virtualization_type != "docker"
      meta: end_play

    - apt:
        name: "{{packages.common + packages[distro][ver]}}"
        state: installed
        update_cache: true
      when: distro == "Debian"

    - yum:
        name: "{{packages.common + packages[distro][ver]}}"
        state: installed
        update_cache: true
      when: distro == "CentOS"

    - command: apt-get clean
      when: distro == "Debian"

    - command: yum clean all
      when: distro == "CentOS"

    - shell: rm -rf {{item}}/*
      with_items:
      - /var/cache/apt
      - /var/lib/apt/lists
      when: distro == "Debian"

    # Vanilla Ansible needs simplejson on CentOS 5.
    - synchronize:
        dest: /usr/lib/python2.4/site-packages/simplejson/
        src: ../../ansible_mitogen/compat/simplejson/

    - user:
        name: root
        password: "{{ 'rootpassword' | password_hash('sha256') }}"
        shell: /bin/bash

    - file:
        path: /var/run/sshd
        state: directory

    - command: ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key
      args:
        creates: /etc/ssh/ssh_host_rsa_key

    - group:
        name: "{{sudo_group[distro]}}"

    - copy:
        dest: /etc/sentinel
        content: |
          i-am-mitogen-test-docker-image

    - copy:
        dest: /etc/ssh/banner.txt
        src: ../data/docker/ssh_login_banner.txt

    - name: Ensure /etc/sudoers.d exists
      file:
        state: directory
        path: /etc/sudoers.d
        mode: 'u=rwx,go='

    - blockinfile:
        path: /etc/sudoers
        block: |
          # https://www.toofishes.net/blog/trouble-sudoers-or-last-entry-wins/
          %mitogen__sudo_nopw ALL=(ALL:ALL) NOPASSWD:ALL
          mitogen__has_sudo_nopw ALL = (mitogen__pw_required) ALL
          mitogen__has_sudo_nopw ALL = (mitogen__require_tty_pw_required) ALL

          Defaults>mitogen__pw_required targetpw
          Defaults>mitogen__require_tty requiretty
          Defaults>mitogen__require_tty_pw_required requiretty,targetpw

    - lineinfile:
        path: /etc/sudoers
        line: "%wheel ALL=(ALL) ALL"
      when: distro == "CentOS"

    - lineinfile:
        path: /etc/ssh/sshd_config
        line: Banner /etc/ssh/banner.txt

    - lineinfile:
        path: /etc/ssh/sshd_config
        line: PermitRootLogin yes
        regexp: '.*PermitRootLogin.*'

    - lineinfile:
        path: /etc/pam.d/sshd
        regexp: '.*session.*required.*pam_loginuid.so'
        line: session optional pam_loginuid.so

    - copy:
        mode: 'u+rwx,go=rx'
        dest: /usr/local/bin/pywrap
        content: |
         #!/bin/bash
         exec strace -ff -o /tmp/pywrap$$.trace python2.7 "$@"'