Command Switch JSON Status Result not working?

Configuration
1

I Have the following config:

     kaku1:
        command_on: "curl -X GET -H 'Content-Type: application/json' 'http://192.168.x.x/kaku_all.php?a=ON&i=1&d=0'"
        command_off: "curl -X GET -H 'Content-Type: application/json' 'http://192.168.x.x/kaku_all.php?a=OFF&i=1&d=0'"
        command_state: "curl -X GET -H 'Content-Type: application/json' 'http://192.168.x.x/kaku_all.php?s=1&i=1&d=0'"
        value_template: '{{ value_json.status == "ON" }}'
        friendly_name: Test Light

And the JSON return is:

[{"status" : "OFF"}]

I can switch on the light, but immediately the switch returns to the Off position. It will never update the statusā€¦ What am I doing wrong here?

2

The outer brackets [] indicate that this is a json array, with 1 element, so try

        value_template: '{{ value_json[0].status == "ON" }}'
3

Unfortunately this still didnā€™t workā€¦ Light goes On, but switch returns to Off position. Hereā€™s the Debug log;

2018-09-24 09:04:20 INFO (Thread-18) [homeassistant.components.switch.command_line] Running command: curl -X GET -H 'Content-Type: application/json' 'http://192.168.x.x/kaku_all.php?a=ON&i=1&d=0&RESULT=JSON'

2018-09-24 09:04:20 INFO (Thread-22) [homeassistant.components.switch.command_line] Running state command: curl -X GET -H 'Content-Type: application/json' 'http://192.168.x.x/kaku_all.php?s=1&i=1&d=0&RESULT=JSON'

2018-09-24 09:04:20 INFO (MainThread) [homeassistant.core] Bus:Handling <Event service_executed[L]: service_call_id=ad0d681d21df42bab3f64d4dc47577a5>

2018-09-24 09:04:20 DEBUG (MainThread) [homeassistant.components.websocket_api] WS 1713632304: Sending {'id': 15, 'success': True, 'result': None, 'type': 'result'}

It shows the On command and status command, however the last message seems strange, as the ā€˜resultā€™ is None?

4

Sorry, I should have noticed, the state of the switch reflects the return code of the command, and curl sends the response to stdout. So you need to parse the output of the curl command in the command_line: command to return true or false

You can do a full json parse using a program called jq, but you probably need to install it. In this case, it is probably easiest just to grep the output. I think this will work - and remove the value_template line.

command_line: "curl -X GET -H 'Content-Type: application/json' 'http://192.168.x.x/kaku_all.php?s=1&i=1&d=0' | grep 'ON' "
5

Great! This worked. Many thanks!

1 Like