Justrebl / AzureFunction-unzipbigfiles

From this Tutorial

1. Local vs code azure function dev : Further Details
2. Install azurite
3. Start azurite :

   In Visual Studio Code : Ctrl + P > Azurite : Start 
   

4. Configure Azure Function to use local development storage :

   {
   	"Values": {
   		"AzureWebJobsStorage": "UseDevelopmentStorage=true",
   		...
   	}
   }

5. Install NGrok to tunnel the connection from internet :
   • Download Ngrok
   • Sign Up for an oAuth token
6. Set the token in the config :

   ngrok config add-authtoken <token>

7. Create a custom endpoint (free and optional : Will help with keeping the same domain name for future tests) :
   • Create a free endpoint
8. Create an edge tunnel and configure it to the azure function host :

   ngrok config edit

   • Inside the file (retrieve the config from Cloud Edge > Edges > Start a Tunnel > Start a tunnel from a config file:

   version: 2
   authtoken: xxx
   tunnels:
     my_tunnel_name:
   	labels:
         - edge=xxx
       addr: http://localhost:80

9. Manually serve the tunnel from the bash terminal :

   ngrok tunnel --label edge=edghts_2ShvSEl8k4SQImfDoMaECki0yop http://localhost:7071

10. Configure the task.json (Java Sample) to expose the azure function to the internet :

    {
      "type":"shell",
      "label" : "Expose debug to internet",
      "command": "ngrok tunnel --label edge=edghts_2ShvSEl8k4SQImfDoMaECki0yop http://localhost:7071",
      "dependsOn": "func: host start"
    },
    {
      "type": "func",
      "label": "func: host start",
      "command": "host start",
      "problemMatcher": "$func-java-watch",
      "isBackground": true,
      "options": {
        "cwd": "${workspaceFolder}/target/azure-functions/unzipfunc-20230717151702055"
      },
      "dependsOn": "package (functions)"
    },

11. Configure the launch.json to offer another debug option (calling the task.json):

    {
      "name": "Expose to Internet",
      "type": "java",
      "request": "attach",
      "hostName": "127.0.0.1",
      "port": 5005,
      "preLaunchTask": "Expose debug to internet"
    }

12. Now the Azure function is running and exposed via the ngrok proxy, it's time to wire up Event Grid :
    1. Create an Event Grid System Topic Subscription from an Azure Storage Account Event tab for example
    2. Define the endpoint to HTTP Webhook as follows :

    https://<ngrok-endpoint>/runtime/webhooks/eventgrid?functionName=<FunctionName>

13. In my example :

    https://carefully-awake-jennet.ngrok-free.app/runtime/webhooks/eventgrid?functionName=EventGridExample

14. Then start everything together from vscode debug > Expose to Internet:
    1. Bare in mind that the reverse-proxy will be exposed via the token configured in the ngrok config edit step and communication remains encrypted through https

The source code can be found here : https://github.com/Justrebl/AzureFunction-unzipbigfiles