init

roles/avahi/files/nsswitch.conf

@@ -0,0 +1,13 @@
+# Ansible managed
+
+passwd:         files
+group:          files
+shadow:         files
+gshadow:        files
+hosts:          files mdns4_minimal [NOTFOUND=return] dns
+networks:       files
+protocols:      db files
+services:       db files
+ethers:         db files
+rpc:            db files
+netgroup:       nis

roles/avahi/handlers/main.yaml

@@ -0,0 +1,9 @@
+- name: Restart Avahi Daemon
+  ansible.builtin.service:
+    name: avahi-daemon
+    state: restarted
+
+- name: Autoremove and autoclean packages
+  ansible.builtin.apt:
+    autoremove: yes
+    autoclean: yes

roles/avahi/tasks/main.yaml

@@ -0,0 +1,30 @@
+- name: Populate service facts
+  ansible.builtin.service_facts:
+
+- name: Stop and disable systemd-resolved
+  ansible.builtin.systemd:
+    name: systemd-resolved
+    state: stopped
+    enabled: false
+  when: "'systemd-resolved' in services"
+
+- name: Install Avahi Daemon and helpers
+  ansible.builtin.apt:
+    name: "{{ item }}"
+    state: latest
+    update_cache: yes
+    install_recommends: no
+  with_items:
+    - avahi-daemon
+    - avahi-utils
+    - libnss-mdns
+  notify: Autoremove and autoclean packages
+
+- name: Configure /etc/nsswitch.conf
+  ansible.builtin.copy:
+    src: nsswitch.conf
+    dest: /etc/nsswitch.conf
+    owner: root
+    group: root
+    mode: 0644
+  notify: Restart Avahi Daemon