Add: default credential instead of connection string

qrCodeGenerator/function_app.py

@@ -1,5 +1,6 @@
 import azure.functions as func
 from azure.storage.blob import BlobServiceClient
+from azure.identity import DefaultAzureCredential
 
 import qrcode
 from qrcode.image.styledpil import StyledPilImage
@@ -22,18 +23,26 @@ def GenerateQRCode(req: func.HttpRequest) -> func.HttpResponse:
  style = req.params.get('style') or req.get_json().get('style')
  color = req.params.get('color') or req.get_json().get('color')
 
+ # return error response if url was not provided in the query param / req body
  if not url:
  return func.HttpResponse(
  "Please pass a url on the query string or the request body",
  status_code=400
  )
 
  try:
+ # Create a Managed Identity default credential
+ credential = DefaultAzureCredential()
+
  # create a blob client
- blobServiceClient = BlobServiceClient.from_connection_string(
- conn_str=connectionString)
+ blobServiceClient = BlobServiceClient(
+ "https://qrcodegenerator998.blob.core.windows.net", credential)
+
+ # create the blob container client
  containerName = 'qr-codes'
  containerClient = blobServiceClient.get_container_client(containerName)
+
+ # create container if it doesn't already exists
  if not containerClient.exists():
  containerClient = blobServiceClient.create_container(containerName)
 

qrCodeGenerator/requirements.txt

@@ -1,3 +1,4 @@
 azure-storage-blob
 qrcode[pil]
 azure-functions
+azure-identity