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Create an Azure Event Hubs source connection using the Flow Service API

IMPORTANT
The Azure Event Hubs source is available in the sources catalog to users who have purchased Real-Time Customer Data Platform Ultimate.

This tutorial provides steps to create a Azure Event Hubs (hereinafter referred to as “Event Hubs”) to Experience Platform, using the Flow Service API.

Getting started

This guide requires a working understanding of the following components of Adobe Experience Platform:

  • Sources: Experience Platform allows data to be ingested from various sources while providing you with the ability to structure, label, and enhance incoming data using Platform services.
  • Sandboxes: Experience Platform provides virtual sandboxes which partition a single Platform instance into separate virtual environments to help develop and evolve digital experience applications.

The following sections provide additional information that you will need to know in order to successfully connect Event Hubs to Platform using the Flow Service API.

Gather required credentials

In order for Flow Service to connect with your Event Hubs account, you must provide values for the following connection properties:

Standard authentication
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Credential Description
sasKeyName The name of the authorization rule, which is also known as the SAS key name.
sasKey The primary key of the Event Hubs namespace. The sasPolicy that the sasKey corresponds to must have manage rights configured in order for the Event Hubs list to be populated.
namespace The namespace of the Event Hubs you are accessing. An Event Hubs namespace provides a unique scoping container, in which you can create one or more Event Hubs.
connectionSpec.id The connection specification returns a source’s connector properties, including authentication specifications related to creating the base and source connections. The Event Hubs connection specification ID is: bf9f5905-92b7-48bf-bf20-455bc6b60a4e.
SAS authentication
table 0-row-2 1-row-2 2-row-2 3-row-2 4-row-2 5-row-2
Credential Description
sasKeyName The name of the authorization rule, which is also known as the SAS key name.
sasKey The primary key of the Event Hubs namespace. The sasPolicy that the sasKey corresponds to must have manage rights configured in order for the Event Hubs list to be populated.
namespace The namespace of the Event Hubs you are accessing. An Event Hubs namespace provides a unique scoping container, in which you can create one or more Event Hubs.
eventHubName The name for your Event Hubs source.
connectionSpec.id The connection specification returns a source’s connector properties, including authentication specifications related to creating the base and source connections. The Event Hubs connection specification ID is: bf9f5905-92b7-48bf-bf20-455bc6b60a4e.

For more information about these values, refer to this Event Hubs document.

Using Platform APIs

For information on how to successfully make calls to Platform APIs, see the guide on getting started with Platform APIs.

Create a base connection

TIP
Once created, you cannot change the authentication type of an Event Hubs base connection. To change the authentication type, you must create a new base connection.

The first step in creating a source connection is to authenticate your Event Hubs source and generate a base connection ID. A base connection ID allows you to explore and navigate files from within your source and identify specific items that you want to ingest, including information regarding their data types and formats.

To create a base connection ID, make a POST request to the /connections endpoint while providing your Event Hubs authentication credentials as part of the request parameters.

API format

POST /connections
Standard authentication

To create an account using standard authentication, make a POST request to the /connections endpoint while providing values for your sasKeyName, sasKey, and namespace.

accordion
Request
code language-shell
curl -X POST \
  'https://platform.adobe.io/data/foundation/flowservice/connections' \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}' \
  -H 'Content-Type: application/json' \
  -d '{
      "name": "Azure Event Hubs connection",
      "description": "Connector for Azure Event Hubs",
      "auth": {
          "specName": "Azure EventHub authentication credentials",
          "params": {
              "sasKeyName": "{SAS_KEY_NAME}",
              "sasKey": "{SAS_KEY}",
              "namespace": "{NAMESPACE}"
          }
      },
      "connectionSpec": {
          "id": "bf9f5905-92b7-48bf-bf20-455bc6b60a4e",
          "version": "1.0"
      }
  }'
table 0-row-2 1-row-2 2-row-2 3-row-2 4-row-2
Property Description
auth.params.sasKeyName The name of the authorization rule, which is also known as the SAS key name.
auth.params.sasKey The generated shared access signature.
auth.params.namespace The namespace of the Event Hubs you are accessing.
connectionSpec.id The Event Hubs connection specification ID is: bf9f5905-92b7-48bf-bf20-455bc6b60a4e
accordion
Response

A successful response returns details of the newly created base connection, including its unique identifier (id). This connection ID is required in the next step to create a source connection.

code language-json
{
    "id": "4cdbb15c-fb1e-46ee-8049-0f55b53378fe",
    "etag": "\"6507cfd8-0000-0200-0000-5e18fc600000\""
}
SAS authentication

To create an account using SAS authentication, make a POST request to the /connections endpoint while providing values for your sasKeyName, sasKey,namespace, and eventHubName.

accordion
Request
code language-shell
curl -X POST \
  'https://platform.adobe.io/data/foundation/flowservice/connections' \
  -H 'Authorization: Bearer {ACCESS_TOKEN}' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}' \
  -H 'Content-Type: application/json' \
  -d '{
      "name": "Azure Event Hubs connection",
      "description": "Connector for Azure Event Hubs",
      "auth": {
          "specName": "Azure EventHub authentication credentials",
          "params": {
              "sasKeyName": "{SAS_KEY_NAME}",
              "sasKey": "{SAS_KEY}",
              "namespace": "{NAMESPACE}",
              "eventHubName": "{EVENT_HUB_NAME}
          }
      },
      "connectionSpec": {
          "id": "bf9f5905-92b7-48bf-bf20-455bc6b60a4e",
          "version": "1.0"
      }
  }'
table 0-row-2 1-row-2 2-row-2 3-row-2 4-row-2 5-row-2
Property Description
auth.params.sasKeyName The name of the authorization rule, which is also known as the SAS key name.
auth.params.sasKey The generated shared access signature.
auth.params.namespace The namespace of the Event Hubs you are accessing.
params.eventHubName The name for your Event Hubs source.
connectionSpec.id The Event Hubs connection specification ID is: bf9f5905-92b7-48bf-bf20-455bc6b60a4e
accordion
Response

A successful response returns details of the newly created base connection, including its unique identifier (id). This connection ID is required in the next step to create a source connection.

code language-json
{
    "id": "4cdbb15c-fb1e-46ee-8049-0f55b53378fe",
    "etag": "\"6507cfd8-0000-0200-0000-5e18fc600000\""
}

Create a source connection

TIP
An Event Hubs consumer group can only be used for a single flow at a given time.

A source connection creates and manages the connection to the external source from where data is ingested. A source connection consists of information like data source, data format, and a source connection ID needed to create a dataflow. A source connection instance is specific to a tenant and organization.

To create a source connection, make a POST request to the /sourceConnections endpoint of the Flow Service API.

API format

POST /sourceConnections

Request

curl -X POST \
  'https://platform.adobe.io/data/foundation/flowservice/sourceConnections' \
  -H 'authorization: Bearer {ACCESS_TOKEN}' \
  -H 'content-type: application/json' \
  -H 'x-api-key: {API_KEY}' \
  -H 'x-gw-ims-org-id: {ORG_ID}' \
  -H 'x-sandbox-name: {SANDBOX_NAME}' \
  -d '{
      "name": "Azure Event Hubs source connection",
      "description": "A source connection for Azure Event Hubs",
      "baseConnectionId": "4cdbb15c-fb1e-46ee-8049-0f55b53378fe",
      "connectionSpec": {
          "id": "bf9f5905-92b7-48bf-bf20-455bc6b60a4e",
          "version": "1.0"
      },
      "data": {
          "format": "json"
      },
      "params": {
          "eventHubName": "{EVENT_HUB_NAME}",
          "dataType": "raw",
          "reset": "latest",
          "consumerGroup": "{CONSUMER_GROUP}"
      }
  }'
Property
Description
name
The name of your source connection. Ensure that the name of your source connection is descriptive as you can use this to look up information on your source connection.
description
An optional value that you can provide to include more information on your source connection.
baseConnectionId
The connection ID of your Event Hubs source that was generated in the previous step.
connectionSpec.id
The fixed connection specification ID for Event Hubs. This ID is: bf9f5905-92b7-48bf-bf20-455bc6b60a4e.
data.format
The format of the Event Hubs data that you want to ingest. Currently, the only supported data format is json.
params.eventHubName
The name for your Event Hubs source.
params.dataType
This parameter defines the type of the data that is being ingested. Supported data types include: raw and xdm.
params.reset
This parameter defines how the data will be read. Use latest to start reading from the most recent data, and use earliest to start reading from the first available data in the stream. This parameter is optional and defaults to earliest if unprovided.
params.consumerGroup
The publish or subscription mechanism to be used for Event Hubs. This parameter is optional and defaults to $Default if unprovided. Refer to this Event Hubs guide on event consumers for more information. Note: An Event Hubs consumer group can only be used for a single flow at a given time.

Next steps

By following this tutorial, you have created an Event Hubs source connection using the Flow Service API. You can use this source connection ID in the next tutorial to create a streaming dataflow using the Flow Service API.

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