Azure Function Linux Python 3.9 problem

Question

Good day, we have a solution in Azure Sentinel. When we deploy the solution, everything looks fine, but when we use the Deploy to Azure to deploy the data connector, we got this error:

{
    "status": "Failed",
    "error": {
        "code": "BadRequest",
        "message": "The parameter LinuxFxVersion has an invalid value.",
        "details": [
            {
                "message": "The parameter LinuxFxVersion has an invalid value."
            },
            {
                "code": "BadRequest"
            },
            {}
        ]
    }
}

The link to the azuredeploy file is: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Fortinet%20FortiNDR%20Cloud/Data%20Connectors/azuredeploy_FortinetFortiNdrCloud_API_FunctionApp.json I have tried to compare our implementation with other Solutions in the repo, but couldn't find anything that would cause the issue. Could you please give some suggestions about what is wrong?

Answer 1

Xiuyang Bobby Sun Thanks for posting your question in Microsoft Q&A. Quickly reviewing the template https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Fortinet%20FortiNDR%20Cloud/Data%20Connectors/azuredeploy_FortinetFortiNdrCloud_API_FunctionApp.json#L101-L116, found that reserved is missing in Microsoft.Web/serverfarms template which is needed for Linux app service plan and after modifying the template as below (in your original template), works well (tested in my test sub).

{
            "type": "Microsoft.Web/serverfarms",
            "apiVersion": "2018-02-01",
            "name": "[variables('FunctionName')]",
            "location": "[resourceGroup().location]",
            "sku": {
                "name": "Y1",
                "tier": "Dynamic"
            },
            "kind": "functionapp",
            "properties": {
                "name": "[variables('FunctionName')]",
                "workerSize": "0",
                "workerSizeId": "0",
                "numberOfWorkers": "1",
                "reserved": true
            }
        }

Checkout AppServicePlanProperties for more info about this template and properties.

I hope this helps and let me know if any questions.

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Answer 2

Hi @Xiuyang Bobby Sun
Your linuxFxVersion doesn't match az webapp list-runtimes --os linux. Instead of using |, use : instead, e.g. python:3.9.