SAML Single Sign On (SSO) Into Jenkins Using Onelogin

SAML Single Sign On (SSO) into Jenkins using Onelogin as IDP

Jenkins SAML app gives the ability to enable SAML Single Sign-On for Jenkins. Here we will go through a guide to configure SSO between Jenkins and Onelogin. By the end of this guide, Onelogin users should be able to log in and register to Jenkins.

Step 1: Setup OneLogin as Identity Provider

Follow the steps below to configure OneLogin as an Identity Provider

SAML Single Sign On (SSO) using Onelogin Identity Provider,Onelogin SSO login Configuring OneLogin as IdP

Go to https:// <your_domain>.onelogin.com and login into OneLogin.
Log into OneLogin as an Administrator and go to Apps Company Apps Add Apps from the Navbar.

SSAML Single Sign On (SSO) using Onelogin Identity Provider,Onelogin SSO login, Add Application button

In the search box, type SAML Test Connector (Advanced) and click on the App to add it.

SAML Single Sign On (SSO) using Onelogin Identity Provider,Onelogin SSO login, Find SAML Application

Enter the display name and click Save.
In Info enter App Name and click on Next.
After saving, go to Configuration Tab and enter the following:

SAML Single Sign On (SSO) using Onelogin Identity Provider,Onelogin SSO login, Fill SP Application Details

Audience	Audience URI from plugin under Service Provider info Tab.
Recipient	Recipient URL from plugin under Service Provider info Tab.
ACS (Consumer) URL Validator	ACS (Assertion Consumer Service) URL from plugin under Service Provider info Tab.
ACS (Consumer) URL	ACS (Assertion Consumer Service) URL from plugin under Service Provider info Tab.
Single Logout URL	Enter Single Logout URL from the Service Provider info tab of the module.

SAML Single Sign On (SSO) using Onelogin Identity Provider,Onelogin SSO login Assigning Groups/People

Go to SSO tab. Note down the URL/Endpoints. These will be required while configuring the plugin.

SAML Single Sign On (SSO) using Onelogin Identity Provider,Onelogin SSO login, Enable SAML 2.0 for Application

SAML Single Sign On (SSO) using Onelogin Identity Provider,Onelogin SSO login, Configure Application Certificate

SAML Single Sign On (SSO) using Onelogin Identity Provider,Onelogin SSO login Import IDP Metadata

Select SAML metadata options from More Actions dropdown list.
Download this metadata or Copy the URL and provide it in plugin settings.
You can also copy the URL's from SSO tab

Save all the Settings.

Step 2: Download and install the plugin in Jenkins.

sso saml jenkins single sign on manage jenkins-1

Go to Manage Jenkins option from the left pane, and open Manage Plugins tab.

sso saml jenkins single sign onmanage plugins-2

Go to the advanced tab and upload the hpi file.

sso saml jenkins single sign onupload plugin-3

Follow the instructions shown on screen and restart the Jenkins.

sso saml jenkins single sign on install plugins-4

Step 3: Activate the plugin

Open Manage Jenkins and select Configure Global Security.

sso saml jenkins single sign on configure security-5

Set the Security Realm as miniorange SAML 2.0.

sso saml jenkins single sign on security realm-6

Make sure that Enable Security checkbox is checked.

Free
Premium

Free

SP Configurations
You can configure SP settings in IDP in 2 ways:

By uploading Metadata XML file
Manual Configuration

A. By uploading Metadata XML file

Click on Service Provider Metadata in SP Configuration section.
Metadata xml file will be downloaded.
Use this file to setup IDP.

B. Manual Configuration

To Configure SP Settings at IDP copy below URL and paste in respective fields at IDP end.

SP Entity ID: https://your-jenkins-domain
Audience URI: https://your-jenkins-domain
ACS URL: https://your-jenkins-domain/securityRealm/moSamlAuth

sso saml jenkins single sign on SP Configuration Jenkins

IDP Configuration

To Configure IDP enter the following details and press apply and save the settings.

IDP Entity ID
Single Sign On URL
Name ID Format
X.509 Certificate

sso saml jenkins single sign on idp metadata -6

User Profile Configuration

Select Username or Email for Login Jenkins account by:
Enter the attribute name from IDP which corresponds to Username in Username Attribute textbox.
Enter the attribute name from IDP which corresponds to Email in Email Attribute textbox.
Select the checkbox Apply regex Pattern to the UserNameif the userID returned from SAML is not same as username of Jenkins.
Enter the regular expression in REGEX Pattern textbox. It will be applied on user ID from SAML Response and will convert it into the username same as Jenkins. For example, you can use regular expression ^.*?(?=@) to extract demo from username demo@example.com

Advanced Configurations

Select the Do you want to create a new users? to allow user creation through SAML.

sso saml jenkins single sign on Advanced Configuration Jenkins

Premium

SP Configurations
You can configure SP settings in IDP in 2 ways:

By uploading Metadata XML file
Manual Configuration

A. By uploading Metadata XML file

Click on Service Provider Metadata in SP Configuration section.
Metadata xml file will be downloaded.
Use this file to setup IDP.

B. Manual Configuration

To Configure SP Settings at IDP copy below URL and paste in respective fields at IDP end.

SP Entity ID: https://your-jenkins-domain
Audience URI: https://your-jenkins-domain
ACS URL: https://your-jenkins-domain/securityRealm/moSamlAuth

IDP Configuration

To Configure IDP enter the following details and press apply and save the settings.

IDP Entity ID
Single Sign On URL
Single Logout URL
Name ID Format
X.509 Certificate

sso saml jenkins single sign on idp Configuration Jenkins

User Profile Configuration

Select Username or Email for Login Jenkins account by:
Enter the attribute name from IDP which corresponds to Username in Username Attribute textbox.
Enter the attribute name from IDP which corresponds to Email in Email Attribute textbox.
Enter the attribute name from IDP which corresponds to full name in Full Name Attribute.
Select the checkbox Apply regex Pattern to the UserNameif the userID returned from SAML is not same as username of Jenkins.
Enter the regular expression in REGEX Pattern textbox. It will be applied on user ID from SAML Response and will convert it into the username same as Jenkins. For example, you can use regular expression ^.*?(?=@) to extract demo from username demo@example.com

Advanced Configurations

Select the Do you want signed requests? to send signed login and logout requests. Requests will be signed using public certificate from option Download SP Certificate in SP Configuration section.
Select the Do you want to create a new users? to allow user creation through SAML.
Select the Do you want to update Attributes of Existing Users? to update attributes of existing user's each time they sign in Jenkins through SSO.
To Add custom AttributeS select Add option.

Set Attribute Name as the one set in IDP eg. lname
Set display name in user proprties as one you want it appear in jenkins user's config.xml file and in user's configure tab.

To assign default group to users created through SSO add group name in Assign group to new Users option. Multiple groups can be added using ,(Comma) separater
If Do you want to disable Default login option is enabled, any unauthenticated user trying to access the default Jenkins login page will get redirected to the IDP login page for authentication. After successful authentication, they will be redirected back to the Jenkins base URL.
Copy backdoor URL and save it for emergency.

Step 1: Setup Onelogin as IdP
Step 2: Setup Jenkins as SP

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