Homeassistant Blueprint for SSL-Certificate renewal

renew_ssl_cert.yaml

blueprint:
  name: Renew Let's Encrypt Certificate
  description: Renew Certificate when due date is below given value
  domain: automation
  input:
    cert_expiry_sensor:
      name: Certificate Expiry Sensor
      description: Sensor from the Certificate Expiry Integration (https://www.home-assistant.io/integrations/cert_expiry)
      selector:
        entity:
          integration: cert_expiry
    renew_date:
      name: Certificate renewal date
      description: Date when the SSL-Certificate will be renewed
      selector:
        number:
          min: 1
          max: 29
          mode: slider
          unit_of_measurement: "days"
      default: 5
    time_to_check_cert:
      name: Certificate check time
      description: Time when the certificate date will be checked.
      selector:
        time:
    restart_after_renewal:
      name: Restart Home Assistant
      description: Restarts the Home Assistant when the certificate is renewed. (if enabled)
      selector:
        boolean:
      default: true
    minutes_till_restart:
      name: Minutes until restart
      description: Minutes until restart of Home Assistant if restart is enabled
      selector:
        number:
          min: 1
          max: 60
          mode: slider
          unit_of_measurement: "minutes"
      default: 5
alias: Renew SSL Cert
description: ""
trigger:
  - platform: time
    at: !input time_to_check_cert
condition:
  - condition: template
    value_template: "{{ expire_days_var < var_check }}"
action:
  - service: hassio.addon_start
    data:
      addon: core_letsencrypt
  - choose:
      - conditions:
          - condition: template
            value_template: "{{ restart_after_renewal_var }}"
        sequence:
          - delay:
              hours: 0
              minutes: !input minutes_till_restart
              seconds: 0
              milliseconds: 0
          - service: hassio.host_reboot
    default: []
mode: single
variables:
  certificate_var: !input cert_expiry_sensor
  var_check: !input renew_date
  restart_after_renewal_var: !input restart_after_renewal
  expire_days_var: >-
    {{ ((as_timestamp(states(certificate_var)) - as_timestamp(now())) / 60 / 60 / 24 ) | int }}

Fixed spelling and removed the notification section since you couldn't save even if it was disabled.