dnsmasq module

roles/dnsmasq/tasks/main.yaml

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+---
+
+- name: install dnsmasq
+  apt:
+    name: dnsmasq
+
+
+- name: Generate /etc/hosts file
+  template:
+    src: hosts.j2
+    dest: /etc/hosts
+
+- name: listen on all interfaces
+  lineinfile:
+    dest: /etc/dnsmasq.conf
+    regexp: listen-address=
+    line: listen-address=127.0.0.1,{{ ansible_default_ipv4.address }}
+    state: present

roles/dnsmasq/templates/hosts.j2

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+# {{ ansible_managed }}
+127.0.0.1   localhost
+::1         localhost ip6-localhost ip6-loopback
+
+# The following lines are desirable for IPv6 capable hosts.
+fe00::0     ip6-localnet
+ff00::0     ip6-mcastprefix
+ff02::1     ip6-allnodes
+ff02::2     ip6-allrouters
+
+# Network nodes as generated through Ansible.
+{% for host in groups.all %}
+{% set short_name = host.split('.') %}
+{% if 'ansible_default_ipv4' in hostvars[host] %}
+{{ hostvars[host].ansible_default_ipv4.address }}   {{host}}    {{ short_name[0] }}
+{% endif %}
+{% endfor %}