From 2bc8a280dd5abcdc4e5bcec167b64d9e27abcb9b Mon Sep 17 00:00:00 2001
From: Daniel Vijge <danielvijge@users.noreply.github.com>
Date: Tue, 23 Jul 2024 19:54:31 +0200
Subject: [PATCH] Option to set specific DNS servers for hosts

---
 config/dhcp           |  3 +++
 config/dnsmasq.conf   |  9 +++++++++
 inventory-sample.yaml | 10 ++++++++++
 3 files changed, 22 insertions(+)

diff --git a/config/dhcp b/config/dhcp
index 90172f6..fc0b9b1 100644
--- a/config/dhcp
+++ b/config/dhcp
@@ -16,6 +16,9 @@ config dnsmasq
 	list rebind_domain '{{ domain }}'
 {% endfor %}
 {% endif %}
+{% if dhcp is defined and dhcp.tags is defined %}
+	option strictorder '1'
+{% endif %}
 
 {% for _, network in networks.items() %}
 {% if _ not in ('wan','additional') %}
diff --git a/config/dnsmasq.conf b/config/dnsmasq.conf
index 35a847d..5893118 100644
--- a/config/dnsmasq.conf
+++ b/config/dnsmasq.conf
@@ -58,3 +58,12 @@ address=/dualstack.apiproxy-website-nlb-prod-2-b4de62b516adfbbf.elb.eu-west-1.am
 server=/dualstack.apiproxy-website-nlb-prod-1-5675d5ecda6efdd8.elb.eu-west-1.amazonaws.com/#
 address=/dualstack.apiproxy-website-nlb-prod-1-5675d5ecda6efdd8.elb.eu-west-1.amazonaws.com/::
 {% endif %}
+
+{% if dhcp.tags is defined %}
+{% for tag in dhcp.tags %}
+{% for host in tag.hosts %}
+dhcp-host={{ host }},set:{{ tag.tag }}
+{% endfor %}
+dhcp-option=tag:{{ tag.tag }},option:dns-server,{{ tag.server | join(',') }}
+{% endfor %}
+{% endif %}
diff --git a/inventory-sample.yaml b/inventory-sample.yaml
index 7cb2c76..85f1331 100644
--- a/inventory-sample.yaml
+++ b/inventory-sample.yaml
@@ -259,3 +259,13 @@ openwrt:
     # retrieved.
     upnp:
       configure_with_external_ip: false
+    dhcp:
+      domain_whitelist:
+        - plex.direct
+      tags:
+        - tag: CloudFlareFamily
+          server:
+            - 1.1.1.3
+            - 1.0.0.3
+          hosts:
+            - DD:45:4F:4A:2E:99