autofs: automount Arq network share

Mounting the SMB share using MacOS 'Connect to Server' is unreliable
and manual. If the connection drops, it can sometimes be impossible to
reconnect with restarting.

darwin.yml

@@ -1,6 +1,7 @@
---
- hosts: localhost
  roles:
    - { role: autofs, tags: ['autofs'] }
    - { role: dotfiles, tags: ['dotfiles'] }
    - { role: homebrew, tags: ['homebrew'] }
    - { role: fonts, tags: ['fonts'] }

roles/autofs/description

@@ -0,0 +1 @@
Install autofs mounts for Arq backup

roles/autofs/files/auto_synology

@@ -0,0 +1 @@
Arq -fstype=smbfs,rw,noowners,noatime ://backup:timemachine@10.1.1.3/Arq

roles/autofs/tasks/main.yml

@@ -0,0 +1,16 @@
---
- name: autofs | create mountpoint
  file: path=/mnt state=directory

- name: autofs | update master map
  lineinfile:
    dest: '/etc/auto_master'
    line: '/mnt/Synology		auto_synology'

- name: autofs | create mount map
  copy:
    src: '{{ role_path }}/files/auto_synology'
    dest: '/etc/auto_synology'

- name: autofs | flush cache
  raw: sudo automount -vc