From 6f3911a43332ab02c44a5e057493ddd9657fbd70 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A1rcio=20Fernandes?= <marcio.fernandes@outlook.pt>
Date: Mon, 5 Oct 2026 12:49:00 +0000
Subject: [PATCH] add resolv.conf task

---
 playbooks/host_maintenance/resolv_conf.yaml     |  7 +++++++
 roles/host_maintenance/tasks/resolv_conf.yaml   | 17 +++++++++++++++++
 roles/host_maintenance/templates/resolv.conf.j2 | 17 +++++++++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 playbooks/host_maintenance/resolv_conf.yaml
 create mode 100644 roles/host_maintenance/tasks/resolv_conf.yaml
 create mode 100644 roles/host_maintenance/templates/resolv.conf.j2

diff --git a/playbooks/host_maintenance/resolv_conf.yaml b/playbooks/host_maintenance/resolv_conf.yaml
new file mode 100644
index 0000000..1716d83
--- /dev/null
+++ b/playbooks/host_maintenance/resolv_conf.yaml
@@ -0,0 +1,7 @@
+- name: host maintenance - setup resolv.conf
+  hosts: '{{target|default("all")}}'
+  become: true
+  tasks:
+    - ansible.builtin.include_role:
+        name: mylimbo.globals.host_maintenance
+        tasks_from: resolv_conf
\ No newline at end of file
diff --git a/roles/host_maintenance/tasks/resolv_conf.yaml b/roles/host_maintenance/tasks/resolv_conf.yaml
new file mode 100644
index 0000000..05712d8
--- /dev/null
+++ b/roles/host_maintenance/tasks/resolv_conf.yaml
@@ -0,0 +1,17 @@
+# source https://oneuptime.com/blog/post/2026-02-21-how-to-use-ansible-to-manage-etc-resolv-conf/view
+# vars:
+#   resolv_conf:
+#       nameservers:
+#         - x.x.x.x
+#       search_domains:
+#         - local.lan
+- name: Deploy resolv.conf
+  ansible.builtin.template:
+    src: templates/resolv.conf.j2
+    dest: /etc/resolv.conf
+    mode: '0644'
+  when: "resolv_conf is defined"
+
+# todo tasks:
+# systemd-resolvd:systemctl restart systemd-resolved
+# clear cache: resolvectl flush-caches
\ No newline at end of file
diff --git a/roles/host_maintenance/templates/resolv.conf.j2 b/roles/host_maintenance/templates/resolv.conf.j2
new file mode 100644
index 0000000..81f424f
--- /dev/null
+++ b/roles/host_maintenance/templates/resolv.conf.j2
@@ -0,0 +1,17 @@
+# templates/resolv.conf.j2
+# Managed by Ansible - DO NOT EDIT MANUALLY
+# Changes will be overwritten on next Ansible run
+
+{% if resolv_conf.nameservers is defined and resolv_conf.nameservers | length > 0 %}
+{% for ns in resolv_conf.nameservers %}
+nameserver {{ ns }}
+{% endfor %}
+{% endif %}
+
+{% if resolv_conf.search_domains is defined and resolv_conf.search_domains | length > 0 %}
+search {{ resolv_conf.search_domains | join(' ') }}
+{% endif %}
+
+{% if resolv_conf.resolver_options is defined and resolv_conf.resolver_options | length > 0 %}
+options {{ resolv_conf.resolver_options | join(' ') }}
+{% endif %}
\ No newline at end of file