ansible/roles/wifi/tasks/main.yml

---
- name: install wpa-supplicant (alpine)
  apk:
    name: wpa_supplicant
  when: ansible_distribution == "Alpine"

- name: create wpa_supplicant.conf
  shell:
    cmd: |
      wpa_passphrase "{{ wifi_ssid }}" "{{ wifi_psk }}" \
      > /etc/wpa_supplicant/wpa_supplicant.conf
    creates: /etc/wpa_supplicant/wpa_supplicant.conf

- name: add wifi interface
  blockinfile:
    path: /etc/network/interfaces
    block: |
      auto wlan0
      iface wlan0 inet dhcp

- name: enable wpa_supplicant at boot
  service:
    name: wpa_supplicant
    state: started
    enabled: true
    runlevel: boot
  when: ansible_distribution == "Alpine"

- name: enable networking at boot
  service:
    name: networking
    state: started
    enabled: true
    runlevel: boot
  when: ansible_distribution == "Alpine"

- name: add config block to enable reconnection when wifi signal is lost
  blockinfile:
    path: /etc/wpa_supplicant/wpa_supplicant.conf
    block: |
      ap_scan=1
      autoscan=periodic:10
      disable_scan_offload=1

- name: enable wpa_cli at boot
  service:
    name: wpa_cli
    state: started
    enabled: true
    runlevel: boot
  when: ansible_distribution == "Alpine"