Azure Tweet Scheduler

Tweet scheduler, which uses time-triggered Azure Functions

Work outline:

Create and deploy timer-triggered Azure Functions
Create Cosmos DB account, database, and container
Bind Azure Functions with database
Create program that interacts with Twitter API

Create and deploy timer-triggered Azure Functions

Create and activate a virtual environment

python3 -m venv .venv
source .venv/bin/activate

Create a local function project using TimerTrigger template

# create a function project
func init tweetSchedulerProj --python
cd tweetSchedulerProj

# create a function using TimerTrigger template
FUNC_NAME="timerTriggeredTweet"
func new \
    --name $FUNC_NAME \
    --template TimerTrigger

Running functions locally

I've used Azurite in Visual Studio Code to test the function locally on Linux. Use Azure Storage Emulator on Windows.

Add this line to local.settings.json to test the function locally on Linux.

"AzureWebJobsStorage": "UseDevelopmentStorage=true"

Run function locally.

func start

Create resources for Functions app deployment

Create a resource group

RESOURCE_GROUP_NAME="tweetSchedulerFunction-rg"
az group create \
    --name $RESOURCE_GROUP_NAME \
    --location norwayeast

Create a storage account

STORAGE_ACCOUNT_NAME="tweetschedulerstorage"
az storage account create \
    --name $STORAGE_ACCOUNT_NAME \
    --location norwayeast \
    --resource-group $RESOURCE_GROUP_NAME \
    --sku Standard_LRS

Create the function app

FUNCTION_NAME="ScheduleTweetsDL"
az functionapp create \
    --name $FUNCTION_NAME \
    --resource-group $RESOURCE_GROUP_NAME \
    --storage-account $STORAGE_ACCOUNT_NAME \
    --consumption-plan-location uksouth \
    --runtime python \
    --runtime-version 3.8 \
    --functions-version 3 \
    --os-type linux

Deploy the function project to Azure

func azure functionapp publish ScheduleTweetsDL

dominik-lenda / azure-tweet-scheduler