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/vaultwarden/defaults/main.yml

@@ -0,0 +1,7 @@
+---
+vaultwarden_image: "vaultwarden/server:latest"
+vaultwarden_compose_dir: "{{ docker_compose_base }}/core-infrastructure"
+vaultwarden_data_dir: /data/vaultwarden
+vaultwarden_host: "vault.{{ domain }}"
+vaultwarden_admin_token: "{{ vault_vaultwarden_admin_token }}"
+vaultwarden_signups_allowed: false

roles/vaultwarden/tasks/main.yml

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+---
+- name: Create Vaultwarden data directory
+  ansible.builtin.file:
+    path: "{{ vaultwarden_data_dir }}"
+    state: directory
+    owner: glyptic
+    group: docker
+    mode: "0755"
+  tags: [vaultwarden]
+
+- name: Deploy Vaultwarden compose file
+  ansible.builtin.template:
+    src: docker-compose.yml.j2
+    dest: "{{ vaultwarden_compose_dir }}/docker-compose.vaultwarden.yml"
+    owner: glyptic
+    group: docker
+    mode: "0644"
+  tags: [vaultwarden]
+
+- name: Start Vaultwarden
+  community.docker.docker_compose_v2:
+    project_src: "{{ vaultwarden_compose_dir }}"
+    files:
+      - docker-compose.vaultwarden.yml
+    state: present
+  tags: [vaultwarden]

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

@@ -0,0 +1,24 @@
+services:
+  vaultwarden:
+    image: {{ vaultwarden_image }}
+    container_name: vaultwarden
+    restart: unless-stopped
+    environment:
+      ADMIN_TOKEN: {{ vaultwarden_admin_token }}
+      SIGNUPS_ALLOWED: "{{ vaultwarden_signups_allowed | lower }}"
+      DOMAIN: "https://{{ vaultwarden_host }}"
+      WEBSOCKET_ENABLED: "true"
+    volumes:
+      - {{ vaultwarden_data_dir }}:/data
+    labels:
+      traefik.enable: "true"
+      traefik.http.routers.vaultwarden.rule: "Host(`{{ vaultwarden_host }}`)"
+      traefik.http.routers.vaultwarden.entrypoints: websecure
+      traefik.http.routers.vaultwarden.tls.certresolver: cloudflare
+      traefik.http.services.vaultwarden.loadbalancer.server.port: "80"
+    networks:
+      - {{ docker_network_name }}
+
+networks:
+  {{ docker_network_name }}:
+    external: true