---
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

- name: Install certbot with certbot-auto
  when: haproxy_ssl_letsencrypt_install_method == 'certbot-auto'
  block:

    - name: Ensure haproxy_ssl_letsencrypt_install_path exists
      file:
        path: "{{ haproxy_ssl_letsencrypt_install_path }}"
        state: directory

    - name: Download certbot-auto
      get_url:
        url: "{{ haproxy_ssl_letsencrypt_download_url }}"
        dest: "{{ haproxy_ssl_letsencrypt_install_path }}"
        mode: 0755
      register: fetch_url
      until: fetch_url is success
      retries: 3
      delay: 10

    - name: Install certbot with certbot-auto script
      shell: >
        PIP_INDEX_URL="https://pypi.org/simple/"
        {{ haproxy_ssl_letsencrypt_install_path }}/{{ haproxy_ssl_letsencrypt_download_url | basename }}
        --install-only
      args:
        creates: "{{ haproxy_ssl_letsencrypt_venv }}"

    - name: Create letsencrypt_renew file
      template:
        src: letsencrypt_renew_certbot_auto.j2
        dest: /usr/local/bin/letsencrypt_renew
        mode: 0755
        force: yes

    - name: Renew Letsencrypt Cert Cron
      cron:
        name: "Renew Letsencrypt Cert"
        minute: "{{ haproxy_ssl_letsencrypt_cron_minute }}"
        hour: "{{ haproxy_ssl_letsencrypt_cron_hour }}"
        weekday: "{{ haproxy_ssl_letsencrypt_cron_weekday }}"
        job: "/usr/local/bin/letsencrypt_renew"
        user: "root"
        state: present

- name: Install certbot from distro package
  package:
    name: "{{ haproxy_distro_certbot_packages }}"
    state: present
  when: haproxy_ssl_letsencrypt_install_method == 'distro'

- name: Create first time ssl cert with certbot
  throttle: 1
  shell: >
    {% if haproxy_ssl_letsencrypt_certbot_challenge == 'http-01' %}
    timeout {{ haproxy_ssl_letsencrypt_pre_hook_timeout }}
    python3 -m http.server {{ haproxy_ssl_letsencrypt_certbot_backend_port }}
    --bind {{ haproxy_ssl_letsencrypt_certbot_bind_address }} || true &&
    {% endif %}
    {{ haproxy_ssl_letsencrypt_certbot_binary }} certonly
    --agree-tos
    --non-interactive
    --text
    --rsa-key-size 4096
    --email {{ haproxy_ssl_letsencrypt_email }}
    --domains {{ haproxy_ssl_letsencrypt_domains | join(',') }}
    {% if haproxy_ssl_letsencrypt_certbot_server is defined %}
    --server {{ haproxy_ssl_letsencrypt_certbot_server }}
    {% endif %}
    {% if haproxy_ssl_letsencrypt_certbot_challenge == 'http-01' %}
    --standalone
    --http-01-port {{ haproxy_ssl_letsencrypt_certbot_backend_port }}
    --http-01-address {{ haproxy_ssl_letsencrypt_certbot_bind_address }}
    {% endif %}
    {{ haproxy_ssl_letsencrypt_setup_extra_params }}
  args:
    creates: "{{ haproxy_ssl_letsencrypt_config_path }}/{{ haproxy_ssl_letsencrypt_domains | first }}/fullchain.pem"

- name: Create certbot pre hook
  template:
    src: letsencrypt_pre_hook_certbot_distro.j2
    dest: /etc/letsencrypt/renewal-hooks/pre/haproxy-pre
    mode: 0755
  when:
    - haproxy_ssl_letsencrypt_install_method == 'distro'
    - haproxy_ssl_letsencrypt_certbot_challenge == 'http-01'

- name: Create certbot post renewal hook
  template:
    src: letsencrypt_renew_certbot_distro.j2
    dest: /etc/letsencrypt/renewal-hooks/post/haproxy-renew
    mode: 0755
  when: haproxy_ssl_letsencrypt_install_method == 'distro'

- name: Create new pem file for haproxy
  assemble:
    src: "{{ haproxy_ssl_letsencrypt_config_path }}/{{ haproxy_ssl_letsencrypt_domains | first }}"
    dest: "{{ haproxy_ssl_cert_path ~ '/haproxy_' ~ ansible_facts['hostname'] ~ '-' ~ item  ~ '.pem' }}"
    regexp: '(privkey|fullchain).pem$'
  with_items:
    - "{{ [ haproxy_bind_external_lb_vip_address ] + extra_lb_tls_vip_addresses }}"
  notify:
    - Reload haproxy