PowerBi with Data Lake and Access keys in Azure Key Vault - Stack Overflow

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Requirement: I'm looking for a way to link my Power BI that uses a data lake as a data source based on environment. We want to connect our Power BI semantic model to a data lake based on environments (dev/staging/prod). The dynamic parameters should be set in a CI/CD pipeline via script. For the data lake url, this has been done successfully, but i'm struggling to setup the access keys using a service principles.

What I did:

I tried using the PowerBI API with the keys directly but with the error

$dataSourceCredentialsUrl = ".0/my/groups/${workspaceId}/datasets/${datasetId}/Default.UpdateDatasources"
$dataSourceCredentials = @{
    dataSourceConnections = @(
        @{
            connectionDetails = @{
                url = ";
            }
            credentialDetails = @{
                credentialType = "Key"
                credentials = @{
                    key = $clientSecret
                }
                privacyLevel = "None"
            }
        }
    )
}
Invoke-RestMethod -Uri $dataSourceCredentialsUrl -Method Post -Body (ConvertTo-Json $dataSourceCredentials) -ContentType 'application/json' -Headers $headers

Error: ""API is not accessible for application".

Actually i don't want to put the keys somewhere in a script but rather add some connection in M query with parameters (as used also with the data lake urls in my case) and just switch out the Azure Key Vaults based on environment.

Does anyone have an idea or better approach?

Requirement: I'm looking for a way to link my Power BI that uses a data lake as a data source based on environment. We want to connect our Power BI semantic model to a data lake based on environments (dev/staging/prod). The dynamic parameters should be set in a CI/CD pipeline via script. For the data lake url, this has been done successfully, but i'm struggling to setup the access keys using a service principles.

What I did:

I tried using the PowerBI API with the keys directly but with the error

$dataSourceCredentialsUrl = "https://api.powerbi/v1.0/my/groups/${workspaceId}/datasets/${datasetId}/Default.UpdateDatasources"
$dataSourceCredentials = @{
    dataSourceConnections = @(
        @{
            connectionDetails = @{
                url = "https://vtsonlinetestdatalake.dfs.core.windows"
            }
            credentialDetails = @{
                credentialType = "Key"
                credentials = @{
                    key = $clientSecret
                }
                privacyLevel = "None"
            }
        }
    )
}
Invoke-RestMethod -Uri $dataSourceCredentialsUrl -Method Post -Body (ConvertTo-Json $dataSourceCredentials) -ContentType 'application/json' -Headers $headers

Error: ""API is not accessible for application".

Actually i don't want to put the keys somewhere in a script but rather add some connection in M query with parameters (as used also with the data lake urls in my case) and just switch out the Azure Key Vaults based on environment.

Does anyone have an idea or better approach?

• powerbi
• azure-keyvault
• azure-data-lake
• powerbi-datasource

Share Improve this question Follow edited Nov 21, 2024 at 7:57 Thomas Gebetsberger asked Nov 21, 2024 at 7:40 Thomas GebetsbergerThomas Gebetsberger 1122 bronze badges 13

• Service principal authentication is not supported for accessing My workspace (my). – Rukmini Commented Nov 21, 2024 at 8:43
• Refer this learn.microsoft/en-us/power-bi/developer/embedded/… for limitations for Service principal authentication – Rukmini Commented Nov 21, 2024 at 8:44
• According to the docs i should use this "my", i think we used workspaces v2 because these are quite new, how should i check if it is "My workspace" and how would i need to adapt the api call? Thanks! :) learn.microsoft/en-us/rest/api/power-bi/datasets/… – Thomas Gebetsberger Commented Nov 21, 2024 at 9:03
• Can you try including the workspace ID in the URLhttps://api.powerbi/v1.0/my/groups/{WorkspaceID}/datasets/{datasetId}/Default.UpdateDatasources and let me know if it works? – Rukmini Commented Nov 21, 2024 at 9:06
• Yes,with this: $dataSourceCredentialsUrl = "api.powerbi/v1.0/my/groups/${workspaceId}/datasets/${datasetId}/Default.UpdateDatasources" Invoke-RestMethod -Uri $dataSourceCredentialsUrl -Method Post -Body (ConvertTo-Json $dataSourceCredentials) -ContentType 'application/json' -Headers $headers i then i get this error: i get this error: The remote server returned an error: (400) Bad Request. – Thomas Gebetsberger Commented Nov 21, 2024 at 9:29

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1 Answer 1

Sorted by: Reset to default 0

Just giving this as an answer.

Since adls gen2 is not supported, need to use the Update Parameters In Group API call like mentioned here.

Here is the sample on how to make update parameters api call.

$body = @{
    updateDetails = @(
        @{
            name = "ADLS_Connection"
            newValue = "https://<prod_account>.dfs.core.windows/<prod_container>"
        }
    )
}
Invoke-RestMethod -Uri $apiUrl -Method POST -Body ($body | ConvertTo-Json -Depth 10) -Headers $headers -ContentType "application/json"

You need to give the name of the field you want to change in name and updated value in the newValue.

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