Question 377974 in Azure Question posted in
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Azure Logic App – Read secrets information from Azure Key Vault to authenticate blob connector

I have to create a workflow using standard Azure Logic App.

I am trying to authenticate Azure BLOB connector using connection string. One of the easiest way is to add connection string directly but manual intervention is required whenever there is a change in key and also it is not a secured way to authenticate any connector.

Another approach is to use the secrets from key vault. I created a parameter after adding secret in application setting but I am getting error. I read Microsoft documentation but haven’t find any workaround to use secrets to authenticate connectors.

I have added new app setting variable

@Microsoft.KeyVault(SecretUri=https://keyVault.vault.azure.net/secrets/adlsgen2-key/)

Define parameter as –

{
    "BLOB": {
        "type": "String",
        "value": "@appsetting('ADLS-Gen2')"
    }
}

Used this parameter in connector for authentication –

@parameters('BLOB')

getting error message –

Encountered internal server error. The tracking Id is
‘90762e8c-a5a9-4c75-be48-8446cef83c98’.

Need help to understand how to use secrets to authenticate connectors.

Thanks in advance.

Tags:

2

Answers


  1. 0

    Instead of using parameters (such as @parameters('BLOB')) in your connections.json file, please try using application settings (such as @appsetting('ADLS-Gen2')) directly.

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  2. 0

    This is an example from my own project. Use @appsetting into of @parameters. You need to point straight to the appsetting.

    {
  "serviceProviderConnections": {
    "sql": {
      "parameterValues": {
        "connectionString": "@appsetting('SqlConnectionString')"
      },
      "parameterSetName": "connectionString",
      "serviceProvider": {
        "id": "/serviceProviders/sql"
      },
      "displayName": "pca-dw"
    },
    "AzureBlob": {
      "parameterValues": {
        "connectionString": "@appsetting('AzureStorageConnectionString')"
      },
      "parameterSetName": "connectionString",
      "serviceProvider": {
        "id": "/serviceProviders/AzureBlob"
      },
      "displayName": "lsl-storage-blob"
    }
  },
  "managedApiConnections": {}
}
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