The purpose of this function app is to illustrate how to pick up transactions represented as streamed events in Event Hub and update documents in Cosmos DB.
In order to create and deploy this function app, you need to have the following:
An Azure subscription; if you don't already have an Azure subscription, you can activate your MSDN subscriber benefits or sign up for a free Azure account.
In addition, you will need all of the following components before you go through the steps in this README:
| Azure CLI | Java 8 | Maven 3 | Git |
Login to your Azure account and specify which subscription to use:
az login
az account set --subscription "<your-azure-subscription>"NOTE: You can use either a subscription name or id when specifying which subscription to use; to obtain a list of your subscriptions, type az account list.
Set these values in system environment variables:
export UPDATE_PRODUCT_INVENTORY_FUNCTION_APP_ID="<put-your-unique-guid>"
export UPDATE_PRODUCT_INVENTORY_FUNCTION_APP_NAME="<put-your-unique-function-app-name>"
export UPDATE_PRODUCT_INVENTORY_REGION_NAME="<put-your-region>"
export UPDATE_PRODUCT_INVENTORY_RESOURCE_GROUP_NAME="<put-your-resource-group-name>"
export TRANSACTIONS_EVENT_HUB_NAME="<put-your-eventhub-for-transactions-name>"
export TRANSACTIONS_EVENT_HUB_CONSUMER_GROUP_NAME="<put-your-eventhub-for-transactions-consumer-group-name>"
export TRANSACTIONS_EVENT_HUB_CONNECTION_STRING="<put-your-eventhub-for-transactions-connection-string>"
export PRODUCT_INVENTORY_COSMOSDB_CONNECTION_STRING="<put-your-cosmosdb-connection-string>"
export PRODUCT_INVENTORY_COSMOSDB_DBNAME="<put-your-cosmosdb-database-name>"
export PRODUCT_INVENTORY_COSMOSDB_COLLECTION_NAME="<put-your-cosmosdb-collection-name>"
export UPI_FUNCTION_APP_STORAGE_ACCOUNT_CONNECTION_STRING="<put-your-storage-account-connection-string>"mvn clean package azure-functions:deploy