Initial Ansible automation for hobbs.farm infrastructure

Complete IaC covering:
- 14 roles: common, docker, traefik, vaultwarden, monitoring, media, matrix,
  home_assistant, frigate, adguard, gitea, semaphore, openclaw, security, backup
- Inventory for all hosts (Peggy, Bart, Yoda, NAS, Firewalla)
- Stack playbooks: core-infrastructure, monitoring, media, communication,
  automation, smarthome, security-hardening
- Maintenance playbooks: update-containers, backup, health-check
- Production Docker Compose templates with Traefik labels
- Security hardening (sysctl, auditd, UFW, fail2ban)
- Automated backups with retention policy

roles/adguard/defaults/main.yml

@@ -0,0 +1,5 @@
+---
+adguard_compose_dir: "{{ docker_compose_base }}/core-infrastructure"
+adguard_data_dir: /data/adguard
+adguard_image: "adguard/adguardhome:latest"
+adguard_host: "adguard.{{ domain }}"

roles/adguard/tasks/main.yml

@@ -0,0 +1,29 @@
+---
+- name: Create AdGuard directories
+  ansible.builtin.file:
+    path: "{{ item }}"
+    state: directory
+    owner: glyptic
+    group: docker
+    mode: "0755"
+  loop:
+    - "{{ adguard_data_dir }}/work"
+    - "{{ adguard_data_dir }}/conf"
+  tags: [adguard]
+
+- name: Deploy AdGuard compose file
+  ansible.builtin.template:
+    src: docker-compose.yml.j2
+    dest: "{{ adguard_compose_dir }}/docker-compose.adguard.yml"
+    owner: glyptic
+    group: docker
+    mode: "0644"
+  tags: [adguard]
+
+- name: Start AdGuard
+  community.docker.docker_compose_v2:
+    project_src: "{{ adguard_compose_dir }}"
+    files:
+      - docker-compose.adguard.yml
+    state: present
+  tags: [adguard]

roles/adguard/templates/docker-compose.yml.j2

@@ -0,0 +1,24 @@
+services:
+  adguard:
+    image: {{ adguard_image }}
+    container_name: adguard
+    restart: unless-stopped
+    ports:
+      - "53:53/tcp"
+      - "53:53/udp"
+      - "8053:8053/tcp"
+    volumes:
+      - {{ adguard_data_dir }}/work:/opt/adguardhome/work
+      - {{ adguard_data_dir }}/conf:/opt/adguardhome/conf
+    labels:
+      traefik.enable: "true"
+      traefik.http.routers.adguard.rule: "Host(`{{ adguard_host }}`)"
+      traefik.http.routers.adguard.entrypoints: websecure
+      traefik.http.routers.adguard.tls.certresolver: cloudflare
+      traefik.http.services.adguard.loadbalancer.server.port: "3000"
+    networks:
+      - {{ docker_network_name }}
+
+networks:
+  {{ docker_network_name }}:
+    external: true