SAML Single Sign On (SSO) Into Jenkins Using OpenAM

SAML Single Sign On (SSO) into Jenkins using OpenAM 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 OpenAM. By the end of this guide, OpenAM users should be able to log in and register to Jenkins.

Step 1 : Setup OpenAM as Identity Provider

All the information required to configure in the OpenAM i.e. plugin’s metadata is given in the Service Provider Info tab of the miniOrange SAML plugin.

SAML Single Sign On (SSO) using OpenAM Identity Provider,OpenAM SSO Login

Create OpenAM as a Hosted Identity Provider

Note: – You can skip this step and navigate to Configure Remote Service Provider if you have already configured OpenAM hosted IDP.

Login to the OpenAM admin console.
From the REALMS, select realms, under which you want to create hosted IDP. You will be redirected to the Realm overview page.
Click on Create SAMLv2 Providers in the Realm Overview page.
Click on Create Hosted Identity Provider. You will be redirected to the configuration page.
Configure SAML IDP as given below.
- Name: Name of the SAML IDP
- Signing Key: Select the signing key from the dropdown.
- New Circle of Trust: Provide a name of the groups of IDP and SP that trust each other.
- Attribute Mapping: Configure user profile attributes to be sent to the Service Provider application.
- Click on the Configure button on the top right corner.
- Verify the configuration from the Federation tab of OpenAM.

Configure Remote Service Provider.

Login to the OpenAM admin console.
From the REALMS, select realms, under which you want to configure your application. You will be redirected to the Realm overview page.
Click on Create SAMLv2 Providers.
Click on Register Remote Service Provider. You will be redirected to the configuration page.
Configure the Service Provider as given below.
- Where does the metadata file reside: URL.
- URL of metadata: Configure miniOrange SAML plugin's metadata here.
- Circle of Trust: Add to existing.
- Existing Circle of Trust: Select the Circle of Trust (group) in which your hosted IDP is located.
- Attribute Mapping: Configure user profile attributes for mapping.
Click on the Configure button on the top right corner.
Verify the configuration from the Federation tab of OpenAM.
Provide OpenAM SAML metadata to Service Provider application(miniOrange SAML plugin).
You can download the OpenAM metadata using the URL given below.
[OpenAM ServerURL]/saml2/jsp/exportmetadata.jsp
In case if you have multiple realms and hosted identity Provider configured then use the URL given below.
[OpenAM ServerURL]/saml2/jsp/exportmetadata.jsp?entityid=[IdPentityID]&realm=/realmname

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 OpenAM as IdP
Step 2: Setup Jenkins as SP

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