add dhcp reservation

10-sno-hub-cluster/02-dhcp/ip-reservations.yml

@@ -0,0 +1,31 @@
+---
+- name: Set dnsmasq host reservation
+  hosts: all
+  become: true
+  vars:
+    mac_address: "98:b7:85:1e:c6:f1"
+    ip_address: "10.1.71.10"
+    hostname: "ocp-hub"
+  tasks:
+    - name: Ensure dnsmasq is installed
+      ansible.builtin.apt:
+        name: dnsmasq
+        state: present
+      when: ansible_os_family == "Debian"
+
+    - name: Ensure dnsmasq is installed
+      ansible.builtin.dnf:
+        name: dnsmasq
+        state: present
+      when: ansible_os_family == "RedHat"
+
+    - name: Add host reservation to dnsmasq
+      ansible.builtin.lineinfile:
+        path: /etc/dnsmasq.d/hosts.conf
+        line: "dhcp-host={{ mac_address }},{{ ip_address }},{{ hostname }}"
+        state: present
+
+    - name: Restart dnsmasq service
+      ansible.builtin.service:
+        name: dnsmasq
+        state: restarted