How to connect and process ServiceNow Data from Azure Databricks



Use CData, Azure, and Databricks to perform data engineering and data science on live ServiceNow Data

Databricks is a cloud-based service that provides data processing capabilities through Apache Spark. When paired with the CData JDBC Driver, customers can use Databricks to perform data engineering and data science on live ServiceNow data. This article walks through hosting the CData JDBC Driver in Azure, as well as connecting to and processing live ServiceNow data in Databricks.

With built-in optimized data processing, the CData JDBC driver offers unmatched performance for interacting with live ServiceNow data. When you issue complex SQL queries to ServiceNow, the driver pushes supported SQL operations, like filters and aggregations, directly to ServiceNow and utilizes the embedded SQL engine to process unsupported operations client-side (often SQL functions and JOIN operations). Its built-in dynamic metadata querying allows you to work with and analyze ServiceNow data using native data types.

About ServiceNow Data Integration

CData simplifies access and integration of live ServiceNow data. Our customers leverage CData connectivity to:

  • Get optimized performance since CData uses the REST API for data and the SOAP API for schema.
  • Read, write, update, and delete ServiceNow objects like Schedules, Timelines, Questions, Syslogs and more.
  • Use SQL stored procedures for actions like adding items to a cart, submitting orders, and downloading attachments.
  • Securely authenticate with ServiceNow, including basic (username and password), OKTA, ADFS, OneLogin, and PingFederate authentication schemes.

Many users access live ServiceNow data from preferred analytics tools like Tableau, Power BI, and Excel, and use CData solutions to integrate ServiceNow data with their database or data warehouse.


Getting Started


Install the CData JDBC Driver in Azure

To work with live ServiceNow data in Databricks, install the driver on your Azure cluster.

  1. Navigate to your Databricks administration screen and select the target cluster.
  2. On the Libraries tab, click "Install New."
  3. Select "DBFS" as the Library Source and "JAR" as the Library Type.
  4. Upload the JDBC JAR file (cdata.jdbc.servicenow.jar) from the installation location (typically C:\Program Files\CData\CData JDBC Driver for ServiceNow\lib).

Connect to ServiceNow from Databricks

With the JAR file installed, we are ready to work with live ServiceNow data in Databricks. Start by creating a new notebook in your workspace. Name the workbook, make sure Python is selected as the language (which should be by default), click on Connect and under General Compute select the cluster where you installed the JDBC driver (should be selected by default).

Configure the Connection to ServiceNow

Connect to ServiceNow by referencing the class for the JDBC Driver and constructing a connection string to use in the JDBC URL. Additionally, you will need to set the RTK property in the JDBC URL (unless you are using a Beta driver). You can view the licensing file included in the installation for information on how to set this property.

driver = "cdata.jdbc.servicenow.ServiceNowDriver"
url = "jdbc:servicenow:RTK=5246...;OAuthClientId=MyOAuthClientId;OAuthClientSecret=MyOAuthClientSecret;Username=MyUsername;Password=MyPassword;URL=https://myinstance12345.service-now-com;InitiateOAuth=GETANDREFRESH"

Built-in Connection String Designer

For assistance in constructing the JDBC URL, use the connection string designer built into the ServiceNow JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.servicenow.jar

Fill in the connection properties and copy the connection string to the clipboard.

ServiceNow uses the OAuth 2.0 authentication standard. To authenticate using OAuth, you will need to register an OAuth app with ServiceNow to obtain the OAuthClientId and OAuthClientSecret connection properties. In addition to the OAuth values, you will need to specify the Instance, Username, and Password connection properties.

See the "Getting Started" chapter in the help documentation for a guide on connecting to ServiceNow.

Load ServiceNow Data

Once the connection is configured, you can load ServiceNow data as a dataframe using the CData JDBC Driver and the connection information.

remote_table = spark.read.format ( "jdbc" ) \
	.option ( "driver" , driver) \
	.option ( "url" , url) \
	.option ( "dbtable" , "incident") \
	.load ()

Display ServiceNow Data

Check the loaded ServiceNow data by calling the display function.

display (remote_table.select ("sys_id"))

Analyze ServiceNow Data in Azure Databricks

If you want to process data with Databricks SparkSQL, register the loaded data as a Temp View.

remote_table.createOrReplaceTempView ( "SAMPLE_VIEW" )

The SparkSQL below retrieves the ServiceNow data for analysis.

result = spark.sql("SELECT sys_id, priority FROM SAMPLE_VIEW")

The data from ServiceNow is only available in the target notebook. If you want to use it with other users, save it as a table.

remote_table.write.format ( "parquet" ) .saveAsTable ( "SAMPLE_TABLE" )

Download a free, 30-day trial of the CData JDBC Driver for ServiceNow and start working with your live ServiceNow data in Azure Databricks. Reach out to our Support Team if you have any questions.

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