create filesystem on ADLS Gen2 using rest api python script

Question

after running the following code i am getting this error:

"error":{"code":"AuthenticationFailed","message":"Server failed to authenticate the request. Make sure the value of Authorization header is formed correctly including the signature

import requests
import RestResponse

spn_id='' #spn id
fs_name=''#fsname
spn_val=''#spn_passsword



def create_adls_gen2_fs(spn_id, spn_val, fs_name):


    try:
        tenant_id ='value of tenant'

        header1 = {

            'Content-Type': 'application/x-www-form-urlencoded'
        }

        data = {

        "client_id": spn_id,

        "client_secret": spn_val,

        "scope" : "https://storage.azure.com/.default",

        "grant_type" : "client_credentials"
        }

        response = requests.post('https://login.microsoftonline.com/tenant_id/oauth2/token', data=data,headers=header1)
        print(response)
        var2 = RestResponse.parse(response.json())

        print(var2)



        access_token = var2.access_token

        header2 = {

        'Content-Length' : '0',

        'x-ms-version': '2018-11-09',

        'Authorization' : 'Bearer' +access_token
       }

        url = "https://adlsneg2.dfs.core.windows.net/mydata?resource=filesystem"
        #querystring = {"resource":"filesystem"}
        response = requests.request("PUT", url, headers=header2)
        print(response)
        print(response.content)

    except Exception as e:
        raise Exception('Error Occured: {}'.format(e))
        print("Error while creating a File System")

    return response.text

create_adls_gen2_fs(spn_id, spn_val, fs_name)

                                                                                

Answer 1

Hi gautam_nanda,

This error occurs if the service principal you are using for Azure Data Lake Storage Gen2 is not granted the appropriate role assignment. 

For more details, you may refer MSDN thread which addressing similar issue.

Hope this helps.      

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Answer 2

Hi Gautam_nanda,

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Answer 3

Hi Gautam_nanda,

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