add hosts file management

defaults/main.yml

@@ -111,3 +111,8 @@ privatekeytodeploy: []
 #  keyfile: /root/.ssh/id_rsa
 #  privatekey: {{ vault_privatekey }}
 
+# Custom hosts entries to be added
+hosts_entries: []
+
+# Custom host file snippets to be added
+hosts_file_snippets: []

tasks/hosts.yml

@@ -0,0 +1,8 @@
+- name: Install custom hosts file
+  become: true
+  template:
+    src: etc_hosts.j2
+    dest: "{{ hosts_file }}"
+    owner: root
+    group: root
+    mode: 0644

tasks/main.yml

@@ -1,4 +1,5 @@
 #- include_tasks: hostname.yml
+- include_tasks: hosts.yml
 - include_tasks: hostname.yml
 - include_tasks: locales.yml
 - include_tasks: time.yml

templates/etc_hosts.j2

@@ -0,0 +1,19 @@
+# Hosts file -- Don't edit manually!
+#
+# {{ ansible_managed }}
+{% if hosts_entries|length != 0 %}
+
+# Custom entries
+{% for host in hosts_entries %}
+{{ host.ip }}  {{ host.name }} {{ host.aliases | default('') | join(' ') }}
+{% endfor %}
+{% endif %}
+{% if hosts_file_snippets %}
+
+#
+# Hosts file snippets
+#
+
+{{ hosts_file_snippets }}
+
+{% endif %}

vars/main.yml

@@ -0,0 +1,2 @@
+---
+hosts_file: "/etc/hosts"