How to overwrite the tags of a device using REST API

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forsites

• September 01, 2023 08:18

I am trying to use REST API to overwrite the device tags, but I when I make the request it is adding new tag to existing device tags instead of overwriting then with the newly supplied tags.

Is there any API or attribute that I need to send in JSON to overwrite the tags?

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• 

  Ralph Langner

  • September 01, 2023 16:43

  Sample code?

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  forsites

  • September 01, 2023 17:30

  import requests

  
  

  hostname = 'enterHostnameOrIP'

  url = "https://"+hostaddres+"/ot-base/api/v1/devices/"

  
  

  auth = ("username", "password")

  
  

  data = [

      {"deviceId": "DeviceId1",

       "tags": ["tag1", "tag2"]}

  ]

  response = requests.post(url, json=(data), auth=auth, verify = False)

  
  

  # DeviceId1 tags updated with  tag1, tag2

  
  

  data = [

      {"deviceId": "DeviceId1",

       "tags": ["tag1", "tag2", "tag3", "tag4"]}

  ]

  response = requests.post(url, json=(data), auth=auth, verify = False)

  
  

  # DeviceId1 tags updated with tag1, tag2, tag3 and tag4

  
  

  # Now I want to overwrite tage with just tag3 and tag4

  data = [

      {"deviceId": "DeviceId1",

       "tags": ["tag3", "tag4"]}

  ]

  response = requests.post(url, json=(data), auth=auth, verify = False)

  
  

  # Now tags are not getting updated with just tag3 and tag4, I see all four tags.

  # Tags are getting appended but not getting overwrite.

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• 

  Bill McGuire

  • September 07, 2023 14:59

  Hi,

  Your code works for me as expected with overwrites working properly. Please open a ticket and we can address this issue with you directly. 

   

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