- name: Abhängigkeiten installieren
  apt:
    pkg: "{{ item }}"
    state: present
  with_items:
    - dkms
    - build-essential
    - linux-headers-{{ansible_kernel}}
    - checkinstall
    - pkg-config
    - libnl-3-dev
    - libnl-genl-3-dev

- name: create directory for batman-adv
  file:
    name: /opt/batman-adv
    state: directory

- name: Download Batman 
  get_url:
    url: "https://downloads.open-mesh.org/batman/releases/batman-adv-{{batman_version}}/batman-adv-{{batman_version}}.tar.gz"
    dest: /opt/batman-adv/batman-adv-{{batman_version}}.tar.gz
  register: getbatman

- name: batman-Quellen entpacken
  unarchive:
    src: /opt/batman-adv/batman-adv-{{batman_version}}.tar.gz
    dest: /usr/src
    remote_src: True
  when: 
    - getbatman.changed

- name: configure dkms
  template: 
    src: dkms.conf
    dest: /usr/src/batman-adv-{{batman_version}}/dkms.conf

- stat: 
    path: /lib/modules/{{ansible_kernel}}/updates/dkms/batman-adv.ko
  register: batman_adv_file

- name: Batman bauen
  shell: "dkms add -m batman-adv -v {{batman_version}} && dkms build -m batman-adv -v {{batman_version}} && dkms install -m batman-adv -v {{batman_version}}"
  when:
    - batman_adv_file.stat.exists == False or getbatman.changed

# batctl
- name: create directory for batctl
  file:
    name: /opt/batctl
    state: directory

- name: get batctl
  get_url:
    url: "https://downloads.open-mesh.org/batman/releases/batman-adv-{{batman_version}}/batctl-{{batman_version}}.tar.gz"
    dest: /opt/batctl/batctl-{{batman_version}}.tar.gz
  register: getbatctl

- name: batctl-Quellen und entpacken
  unarchive:
    src: /opt/batctl/batctl-{{batman_version}}.tar.gz
    dest: /usr/src
    remote_src: True
  when:
    - getbatctl.changed

- stat: path=/usr/local/sbin/batctl
  register: batctl

- name: batctl Version prüfen
  shell: '{{batctl.stat.path}} -v | grep -oE "batctl [0-9]+\.[0-9]+"'
  when: 
    - batctl.stat.exists == True
  changed_when: False
  register: batctl_version
  check_mode: no

- name: batctl bauen
  shell: "make && checkinstall -y make install"
  args:
    chdir: /usr/src/batctl-{{batman_version}}
  when:
    - batctl.stat.exists == False or batctl_version.stdout_lines[0] != "batctl {{batman_version}}"
#    - batctl.stat.exists == False or batctl_version.stdout_lines[0] != "batctl batman_version"