- hosts: bots
  remote_user: root
  tasks:
  - name: create user for bot
    user: name=jabberbot comment="Account for the urlbot" shell=/bin/bash
  - name: local user can log in with ssh key
    authorized_key: user=jabberbot key="{{ lookup('file', '~/.ssh/id_rsa.pub') }}"

  - name: git, python3, virtualenv have to be installed
    apt: name="{{item}}" state=installed
    with_items:
    - git
    - python3
    - virtualenv
    - python3-virtualenv
    - python3-lxml

- hosts: bots
  remote_user: jabberbot
  vars:
  - botrepo: http://aero2k.de/t/repos/urlbot-native.git
  - pypi_mirror: http://pypi.fcio.net/simple/
  - systemd: true
  tasks:
  - include_vars: credentials.yml
    tags: [render_config]
  - name: virtualenv for the bot
    shell: virtualenv -p python3 --system-site-packages ~/botenv creates=~/botenv/bin/activate
  - name: virtualenv for supervisord
    shell: virtualenv -p python2 ~/svenv creates=~/svenv/bin/activate
    when: not systemd
  - name: clone repository
    git: repo="{{botrepo}}" dest=~/urlbot force=yes update=yes
    register: source_code
  - name: install bot dependencies into virtualenv
    pip: requirements="~/urlbot/requirements.txt" virtualenv=~/botenv extra_args="-i {{pypi_mirror}}"
  - name: install supervisor
    pip: name=supervisor virtualenv=~/svenv extra_args="-i {{pypi_mirror}}"
    when: not systemd

  - name: set configuration
    lineinfile: dest=~/urlbot/local_config.ini create=yes line="{{item.key}} = {{item.value}}" regexp="^{{item.key}}.="
    with_items:
      - key: "jid"
        value: "{{jid}}"
      - key: "password"
        value: "{{password}}"
      - key: "rooms"
        value: "{{rooms | join(', ')}}"
      - key: "src-url"
        value: "{{botrepo}}"
      - key: "bot_nickname"
        value: "{{bot_nickname}}"
      - key: "bot_owner"
        value: "{{bot_owner}}"
      - key: "bot_owner_email"
        value: "{{bot_owner_email}}"
      - key: "detectlanguage_api_key"
        value: "{{detectlanguage_api_key}}"
    tags: [render_config]
    register: urlbot_config

  - name: create supervisor config
    copy: src=supervisord.conf dest=~/supervisord.conf
    register: supervisord
    when: not systemd

  - name: create directory for systemd unit file
    shell: mkdir -p ~/.config/systemd/user/ creates=~/.config/systemd/user/
    when: systemd

  - name: create unitfile
    copy: src=urlbug@.service dest=~/.config/systemd/user/urlbug@.service
    when: systemd
    register: unitfile

  # crapshit does not work
  - name: reload unitfiles
    become: true
    shell: systemctl daemon-reload
    when: unitfile.changed
    ignore_errors: true

  - name: enable services
    shell: "systemctl --user enable urlbug@{{item}}.service"
    with_items:
      - idlebot
      - urlbot
    when: systemd

  - name: verify supervisor running
    shell: nc -z 127.0.0.1 9004; echo $? executable=/bin/bash
    register: supervisor_running
    changed_when: false
    when: not systemd

  - name: start supervisord
    shell: source ~/svenv/bin/activate && supervisord executable=/bin/bash
    register: start_supervisor
    when:
      - not systemd
      - supervisord.changed or supervisor_running.stdout == "1"
    #changed_when: "'already listening' not in start_supervisor.stdout"

  - name: activate supervisord changes
    shell: source ~/svenv/bin/activate && supervisorctl reload executable=/bin/bash
    when:
      - not systemd
      - supervisord.changed

  - name: idlebot started
    supervisorctl: name=idlebot state=restarted supervisorctl_path=~/svenv/bin/supervisorctl
    when:
      - not systemd
      - (source_code.changed or urlbot_config.changed) and not supervisord.changed

  # following tasks are workaround for missing ansible systemd-user support
  - name: get systemd unit status
    shell: systemctl --user status urlbug.slice
    register: systemd_unit_status

  - debug: var=systemd_unit_status
  - debug: msg="{{'{{item}}.service' not in systemd_unit_status.stdout}}"
    with_items:
      - idlebot
      - urlbot

  - name: bots started
    shell: "systemctl --user start urlbug@{{item}}.service && sleep 20"
    with_items:
      - idlebot
      - urlbot
    when: systemd and '{{item}}.service' not in systemd_unit_status.stdout
    register: started_bots

  - debug: var=started_bots

  - name: bots restarted
    shell: "systemctl --user restart urlbug@{{item}}.service && sleep 10"
    with_items:
      - idlebot
      - urlbot
    when:
      - systemd
      - source_code.changed or urlbot_config.changed

  - pause: seconds=20
    when:
      - not systemd
      - (source_code.changed or urlbot_config.changed) and not supervisord.changed

  - name: urlbot started
    supervisorctl: name=bot state=restarted supervisorctl_path=~/svenv/bin/supervisorctl
    when:
      - not systemd
      - (source_code.changed or urlbot_config.changed) and not supervisord.changed