Convert command_line to sensor time date

Configuration
1

I am needing to convert the String that gives the following line of code to date and time in a sensor

- platform: command_line
  unique_id: ssl-homeassistant
  name: Home Assistant SSL Expiration
  command: '../ssl/openssl x509 -enddate -noout -in ../ssl/fullchain.pem | cut -c10-30'
  scan_interval: 86400

The date format that this gives is “Jun 2 00:39:56 2023”

2 
value_template: "{{ strptime(value, '%b %d %H:%M:%S %Y', default='unknown') }}"

strptime is described here: Templating - Home Assistant

It seems to deal with the non-zero-padded day number. Incidentally, please format responses like that as code: your post hides the fact that there are two spaces when it’s a single-digit date number.

image

Your cutting-down of the openssl output removes any time zone information, but you probably don’t care to that level of precision.

3

Hi @Troon
Forgive my ignorance but I have little programming and with what you are giving me it is not working for me or I am not placing the code correctly

4

Does the sensor return the date string already without my additional line? Can HA run the openssl binary?

It’s an extra line in the sensor definition:

- platform: command_line
  unique_id: ssl-homeassistant
  name: Home Assistant SSL Expiration
  command: '../ssl/openssl x509 -enddate -noout -in ../ssl/fullchain.pem | cut -c10-30'
  scan_interval: 86400
  value_template: "{{ strptime(value, '%b %d %H:%M:%S %Y', default='unknown') }}"

You’ll then need to restart or reload:

image

5

Thanks It works!!

1 Like
6

This is what works for me

Sensor group: Date

sensor:
name: Date
command: Date_COMMAND
value_template: >
{% set months = [“January”, “February”, “March”, “April”, “May”, “June”, “July”, “August”, “September”, “October”, “November”, “December”] %}
{% set month = months[now().strftime(’%m’) | int -1] %}
{{ now().strftime(’%d’) + ’ ’ + month + ’ ‘+ now().strftime(’%Y’) }}
scan_interval: 60

7

Please format your posts correctly.

Your template simply returns the current date/time, ignoring the command, and is identical to:

{{ now().strftime('%d %B %Y') }}

If you thought you’d be helpful by using ChatGPT to attempt to answer a question (as your answer looks like the sort of thing it would produce), please see here: