configure nsswitch.conf

defaults/main.yml

@@ -1,3 +1,6 @@
 ---
+# deploy custom /etc/nsswitch.conf config
+avahi__configure_nsswitch: true
+
 # should we do a version check? (recomended)
 submodules_versioncheck: false

tasks/main.yml

@@ -11,3 +11,7 @@
 
 - name: install mdns requirements
   ansible.builtin.include_tasks: install.yml
+
+- name: configure /etc/nsswitch.conf
+  ansible.builtin.include_tasks: nsswitch.yml
+  when: avahi__configure_nsswitch | bool

tasks/nsswitch.yml

@@ -0,0 +1,9 @@
+---
+- name: deploy /etc/nsswitch.conf
+  become: true
+  ansible.builtin.template:
+    src: 'templates/nsswitch.conf.j2'
+    dest: '/etc/nsswitch.conf'
+    owner: 'root'
+    group: 'root'
+    mode: 0644

templates/nsswitch.conf.j2

@@ -0,0 +1,23 @@
+# /etc/nsswitch.conf
+# {{ ansible_managed }}
+#
+# Example configuration of GNU Name Service Switch functionality.
+# If you have the `glibc-doc-reference' and `info' packages installed, try:
+# `info libc "Name Service Switch"' for information about this file.
+
+passwd:         files systemd
+group:          files [SUCCESS=merge] systemd
+shadow:         files
+gshadow:        files
+
+publickey:      files
+
+hosts:          files mymachines myhostname {{ avahi__mdns_name }} [NOTFOUND=return] resolve [!UNAVAIL=return] dns
+networks:       nis [NOTFOUND=return] files
+
+protocols:      nis [NOTFOUND=return] db [NOTFOUND=return] files
+services:       nis [NOTFOUND=return] db [NOTFOUND=return] files
+ethers:         nis [NOTFOUND=return] db [NOTFOUND=return] files
+rpc:            nis [NOTFOUND=return] db [NOTFOUND=return] files
+
+netgroup:       nis [NOTFOUND=return] files

vars/Archlinux.yml

@@ -3,3 +3,5 @@ avahi_packages:
   - avahi
   - mdns-scan
   - nss-mdns
+
+avahi__mdns_name: 'mdns_minimal'

vars/Debian.yml

@@ -3,3 +3,5 @@ avahi_packages:
   - 'avahi-discover'
   - 'avahi-utils'
   - 'mdns-scan'
+
+avahi__mdns_name: 'mdns4_minimal'

vars/main.yml

@@ -1,4 +1,4 @@
 ---
 # versionscheck
-playbook_version_number: 3
+playbook_version_number: 4
 playbook_version_path: 'do1jlr.avahi_client.version'

vars/os_fallback.yml

@@ -1,3 +1,5 @@
 ---
 avahi_packages:
   - mdns-scan
+
+avahi__mdns_name: 'mdns4_minimal'