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How to get started

To get started streaming data from a Twitter feed, please follow to steps below.

Twitter

To connect to Twitter:

  1. Create a Twitter developer account https://developer.twitter.com/
  2. Create a Twitter application
  3. For your application, locate the Account Secret and Account Token to be used for connecting to the API

Azure

Please refer to the following guide to deploy the Azure Infrastructure

Azure Functions

Please refer to the following guide to deploy the required function apps used in this sample.

Azure WebJob

The Twitter feeds are consumed by an Azure WebJob that retains the connection to the Twitter API. To deploy the WebJob, please:

  1. Open the WebJob solution in VS Code or Visual Studio.
  2. Right click on the WebJob project and select to deploy as a WebJob
  3. Select to publish to exiting
  4. Log in with your Azure credentials
  5. Select the existing WebJob to publish to
  6. Select Publish

Once deployed, navigate to the WebJob in the Azure portal and make sure to update the application configuration values accordingly for the EventHub, Cognitive Services and Twitter secret parameters.

Key Value
Tweet_Group_Key Used as a grouping for Tweets (e.g. if you stream different keywords for the same project
Twitter_Access_Token Twitter Access Token, locted in the Twitter Developer console
Twitter_Access_Token_Secret Twitter Access Token Secret, located in the Twitter Developer console
Twitter_Consumer_Key Twitter Consumer Key, located in the Twitter Developer console
Twitter_Consumer_Secret Twitter Consumer Secret, located in the Twitter Developer console
Twitter_Keywords Comma-separated list of keywords to stream data for
Twitter_UserToFollow Comma-separated list of Twitter usernames to follow
Cognitive_Service_Uri Cognitive service URI, located in the Cognitive service blade in Azure
Ocp_Apmin_Subscription_Key Cognitive service subscription ID, located in the Cognitive service blade in Azure
EventHub_ConnectionString EventHub connection string, located in the Event Hub blade in Azure
EventHub_Path Event Hub namespace name
Storage_Account_ConnectionString Connection string to your Azure Storage Account, located in the Storage Account blade in Azure
ApplicationInsight_InstrumentKey Application Insight instrumentation key, located in the Application Insight blade in Azure

Azure Stream Analytics SQL

Once the Azure Infrastructure has been deployed, open the Twitter Stream Analytics Job and paste in the Azure Stream Analytics query from here

Power BI

Please refer to the following guide setting a Power BI dashboard and a streaming dataset

Run

To start streaming Twitter feeds, please:

  1. Navigate to the WebJob and specify the keyword(s) to stream feeds for in the application settings
  2. Start the Azure WebJob
  3. Start the Function App if it is not already running
  4. Start Twitter Azure Stream Analytics Job (takes a couple of minutes to start running)