rt1(z9 host) unbound(role) kea_dhcp(role): create unbound and kea_dhcp role for rt1

- create unbound role
- create kea_dhcp role
- configure unbound and keadhcp on rt1(z9 host)

roles/unbound/handlers/main.yml

@@ -0,0 +1,27 @@
+- name: unbound.restarted
+  tags: [ unbound, dns, dns_resolver ]
+  become: true
+  ansible.builtin.systemd:
+    name: unbound.service
+    state: restarted
+
+- name: unbound.reloaded
+  tags: [ unbound, dns, dns_resolver ]
+  become: true
+  ansible.builtin.systemd:
+    name: unbound.service
+    state: reloaded
+
+- name: prometheus-unbound-exporter.restarted
+  become: true
+  ansible.builtin.systemd:
+    name: prometheus-unbound-exporter.service
+    state: restarted
+    enabled: true
+
+- name: prometheus-unbound-exporter.enabled
+  become: true
+  ansible.builtin.systemd:
+    name: prometheus-unbound-exporter.service
+    enabled: true
+    daemon_reload: true