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/kea_dhcp/tasks/stork-agent.yaml

@@ -0,0 +1,76 @@
+---
+- name: Install stork-agent
+  tags: [stork-agent]
+  block:
+    - name: Install stork-agent on Archlinux
+      when: ansible_facts['distribution'] == "Archlinux"
+      tags: [stork-agent, archlinux]
+      block:
+        - name: Create stork-agent user
+          ansible.builtin.user:
+            name: stork-agent
+            create_home: false
+            home: "/var/lib/stork-agent"
+            shell: "/usr/bin/nologin"
+            system: true
+            groups: ["kea"]
+            append: true
+
+        - name: Install stork-agent with aur_pkg_install
+          ansible.builtin.include_role:
+            name: aur_pkg_install
+          vars:
+            aur_pkg_install__pkg_name: "stork-agent"
+            aur_pkg_install__git_clone_url: "https://ansible:{{ secret__ansible_git_token }}@git.fux-eg.net/aur-mirror/stork-agent.git"
+            aur_pkg_install__git_ref: "bf96e34"
+
+    - name: Install stork-agent on Debian
+      when: ansible_facts['distribution'] == "Debian"
+      tags: [stork-agent, debian]
+      block:
+        - name: Register isc-stork apt repository
+          become: true
+          register: "kea_dhcp_install_repo"
+          ansible.builtin.deb822_repository:
+            name: isc-stork
+            uris: https://dl.cloudsmith.io/public/isc/stork/deb/debian
+            suites: any-version
+            components: main
+            signed_by: https://dl.cloudsmith.io/public/isc/stork/gpg.key
+
+        - name: Install isc-stork-agent
+          become: true
+          ansible.builtin.apt:
+            name: isc-stork-agent
+            update_cache: "{{ kea_dhcp_install_repo.changed }}"
+
+    - name: Add stork-agent user to _kea group on Debian
+      when: ansible_facts['distribution'] == "Debian"
+      become: true
+      ansible.builtin.user:
+        name: stork-agent
+        groups: ["_kea"]
+        append: true
+
+    - name: Config for stork-agent
+      ansible.builtin.template:
+        src: stork-agent.env.jinja
+        dest: /etc/stork/agent.env
+        owner: root
+        group: root
+        mode: "0660"
+      notify:
+        - Systemd_daemon_reload
+        - Stork_agent.restarted
+
+    - name: Flush handlers
+      ansible.builtin.meta: flush_handlers
+
+    - name: Ensure that stork kea exporter is working
+      ansible.builtin.uri:
+        url: "http://localhost:9547/metrics"
+        method: GET
+      register: kea_dhcp_stork_status_code
+      retries: 6
+      delay: 5
+      until: kea_dhcp_stork_status_code.status == 200