openhab-ansible/roles/openhab/tasks/nginx.yml

---

- name: ensure packages are installed
  apt: 
    pkg:
     - nginx
     - python3-passlib
    update_cache: "{{apt_config.update_cache}}"
    cache_valid_time: "{{apt_config.cache_valid_time}}"

- name: create nginx config
  template:
     #  src: nginx.conf.j2
     src: nginx.conf.2.j2
     dest: "/etc/nginx/sites-available/openhab.conf"
     owner: root
     group: root
     mode: "u=rwx,g=r,o=r"
  notify: restart nginx

- stat: path=/etc/letsencrypt/live/{{fqdn}}/fullchain.pem
  register: letsencrypt_cert
  
- name: overwrite nginx config for letsencrypt initialization
  template:
     src: nginx.init.conf.j2
     dest: "/etc/nginx/sites-available/openhab.conf"
     owner: root
     group: root
     mode: "u=rwx,g=r,o=r"
  notify: restart nginx
  when: letsencrypt_cert.stat.exists == false

- name: create nginx passwd file
  htpasswd:
     name: "{{nginx_user}}"
     password: "{{nginx_password}}"
     path: "/etc/nginx/htpasswd"
     owner: root
     group: root
     mode: "u=rw"
  notify: restart nginx

- name: remove default site
  file: 
    dest: /etc/nginx/sites-enabled/default
    state: absent
  notify: restart nginx

- name: enable openhab site
  file: 
    src: /etc/nginx/sites-available/openhab.conf
    dest: /etc/nginx/sites-enabled/openhab.conf
    state: link
  notify: restart nginx

- name: ssl dir
  file: 
    dest: /etc/nginx/ssl
    state: directory

- name: create self singed certificate
  command: 'openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /etc/nginx/ssl/nginx.key -out /etc/nginx/ssl/nginx.crt -subj "/C=CH/ST=AG/L=Niederlenz/O=none/OU=none/CN=schnidrig.dynv6.net"'
  args: 
    creates: "/etc/nginx/ssl/nginx.crt"

- name: gen dhparam
  command: 'openssl dhparam -outform PEM -out /etc/nginx/ssl/dhparam2048.pem 2048'
  args: 
    creates: "/etc/nginx/ssl/dhparam2048.pem"
  notify: restart nginx