Added basic changes to make it compatible with Archlinux

roles/matrix-base/tasks/sanity_check.yml

@@ -44,3 +44,10 @@
     - "{{ matrix_server_fqn_matrix }}"
     - "{{ matrix_server_fqn_riot }}"
   when: "item != item|lower"
+
+- name: Fail if using python2 on Archlinux
+  fail:
+    msg: "Detected that you're using python2 when installing onto Archlinux. Archlinux by default only supports python3."
+  when:
+    - ansible_distribution == 'Archlinux'
+    - ansible_python.version.major != 3

roles/matrix-base/tasks/server_base/setup.yml

@@ -9,6 +9,9 @@
 - include_tasks: "{{ role_path }}/tasks/server_base/setup_raspbian.yml"
   when: (ansible_os_family == 'Debian') and (ansible_lsb.id == 'Raspbian') 
 
+- include_tasks: "{{ role_path }}/tasks/server_base/setup_archlinux.yml"
+  when: ansible_distribution == 'Archlinux'
+
 - name: Ensure Docker is started and autoruns
   service:
     name: docker
@@ -17,6 +20,6 @@
 
 - name: Ensure ntpd is started and autoruns
   service:
-    name: "{{ 'ntpd' if ansible_os_family == 'RedHat' else 'ntp' }}"
+    name: "{{ 'ntpd' if ansible_os_family == 'RedHat' or ansible_distribution == 'Archlinux' else 'ntp' }}"
     state: started
     enabled: yes

roles/matrix-base/tasks/server_base/setup_archlinux.yml

@@ -0,0 +1,21 @@
+---
+
+- name: Install host dependencies
+  pacman:
+    name:
+      - bash-completion
+      - python-docker
+      - ntp
+      # TODO This needs to be verified. Which version do we need?
+      - fuse3
+      - cronie
+      - python-dnspython
+    state: latest
+    update_cache: yes
+
+- name: Ensure Docker is installed
+  apt:
+    name:
+      - docker
+    state: latest
+  when: matrix_docker_installation_enabled|bool