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Connect to ServiceNow Data in Ruby
Connect to ServiceNow data in Ruby with ruby-dbi, dbd-odbc, and ruby-odbc.
The CData ODBC Driver for ServiceNow makes it easy to integrate connectivity to live ServiceNow data in Ruby. This article shows how to create a simple Ruby app that connects to ServiceNow data, executes a query, and displays the results.
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
Create an ODBC Connection to ServiceNow Data
If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.
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.
Installing Ruby and Necessary Gems
If you do not have Ruby installed, refer to the Ruby installation page. With Ruby installed, you will need to install the ruby-dbi, dbd-odbc, and ruby-odbc gems:
gem install dbi
gem install dbd-odbc
gem install ruby-odbc
Create a Ruby App with Connectivity to ServiceNow Data
Create a new Ruby file (for example: ServiceNowSelect.rb) and open it in a text editor. Copy the following code into your file:
#connect to the DSN
require 'dbi'
cnxn = DBI.connect('DBI:ODBC:CData ServiceNow Source','','')
#execute a SELECT query and store the result set
resultSet = cnxn.execute("SELECT sys_id, priority FROM incident")
#display the names of the columns
resultSet.column_names.each do |name|
print name, "\t"
end
puts
#display the results
while row = resultSet.fetch do
(0..resultSet.column_names.size - 1).each do |n|
print row[n], "\t"
end
puts
end
resultSet.finish
#close the connection
cnxn.disconnect if cnxn
With the file completed, you are ready to display your ServiceNow data with Ruby. To do so, simply run your file from the command line:
ruby ServiceNowSelect.rb
Writing SQL-92 queries to ServiceNow allows you to quickly and easily incorporate ServiceNow data into your own Ruby applications. Download a free trial today!
Ready to get started?
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ServiceNow ODBC Driver
The ServiceNow ODBC Driver is a powerful tool that allows you to connect with live ServiceNow data, directly from any applications that support ODBC connectivity.
Access ServiceNow data like you would a database - read, write, and update Schedules, Timelines, Questions, Syslogs, etc. through a standard ODBC Driver interface.
