Add Zerotier to the list of things to do for desktops

roles/desktop/tasks/main.yml

@@ -40,6 +40,8 @@
     include_tasks: packages.yml
   - name: Configure Mopidy
     include_tasks: mopidy.yml
+  - name: Configure Zerotier
+    include_tasks: zerotier.yml
   - name: Stop services
     systemd:
       name: "{{ item }}"

roles/desktop/tasks/mopidy.yml

@@ -16,6 +16,7 @@
   - name: Update APT cache
     apt:
       update_cache: yes
+      cache_valid_time: 86400
   - name: Install packages
     apt:
       name:

roles/desktop/tasks/zerotier.yml

@@ -0,0 +1,23 @@
+#!/usr/bin/ansible-playbook
+# vim:ft=ansible:
+---
+- name: Configure system packages
+  block:
+  - name: Add zerotier repo key
+    apt_key:
+      url: "https://raw.githubusercontent.com/zerotier/ZeroTierOne/master/doc/contact%40zerotier.com.gpg"
+  - name: Add repos
+    apt_repository:
+      repo: "{{ item }}"
+    loop:
+      # These repos work for Buster and >=19.10
+      - "deb http://download.zerotier.com/debian/buster buster main"
+  - name: Update APT cache
+    apt:
+      update_cache: yes
+      cache_valid_time: 86400
+  - name: Install packages
+    apt:
+      name:
+        - zerotier-one
+  become: yes