Get Function & Host Keys of Azure Function In Powershell

Question

I have deployed Azure function using Arm template. I need the Function Key & host Key of deployed Azure Function in Powershell. Currently I am trying to get the keys From Output Section of ARM template

 "outputs": {
"FunctionAppName": {
  "type": "string",
  "value": "[variables('functionAppName')]"
},
"Key": {
  "type": "string",
  "value": "[listKeys(resourceId('Microsoft.Web/sites', '[variables('functionAppName')]'),'2015-08-01').keys]"
}

}

I tried different combinations But it failing. Is there any way to retrieve keys in Powershell?

Answer 1

I could not get the accepted answer to work to retrieve the default host key. @4c74356b41's answer is very close. You can get the keys out using the code below. The default host key will be in Outputs.functionKeys.Value.functionKeys.default.Value.

  "outputs": {
    "functionKeys": {
      "type": "object",
      "value": "[listkeys(concat(resourceId('Microsoft.Web/sites', variables('functionAppName')), '/host/default'), '2018-11-01')]"
    }
  }

Answer 2

Question doesn't seem to be answered as it was requesting to get the Function key from Powershell and not ARM templates. I'm using the script below to get the function key from Powershell in Azure DevOps.

$accountInfo = az account show
$accountInfoObject = $accountInfo | ConvertFrom-Json
$subscriptionId  = $accountInfoObject.id

$resourceGroup = "your-resource-group"
$functionName = "your-function-name"

$functionkeylist = az rest --method post --uri "https://management.azure.com/subscriptions/$subscriptionId/resourceGroups/$resourceGroup/providers/Microsoft.Web/sites/$functionName/host/default/listKeys?api-version=2018-11-01"
$keylistobject = $functionkeylist | ConvertFrom-Json
$functionKey = $keylistobject.functionKeys.default

Hope this helps.