SAML Single Sign On (SSO) into SonarQube using Oracle Enterprise Manager

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

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Video Setup Guide

You can refer the steps from the video or documentation below to configure your IDP with SonarQube.

Step 1: Set Up Oracle Enterprise Manager as Identity Provider

All the information required to configure the Oracle Enterprise Manager as IDP i.e. plugin’s metadata is given in the Service Provider Info tab of the miniOrange plugin.

Login to your Oracle Enterprise Manager (OEM) Console. From side menu go to Identity and AccessOracle Identity Federation (OIF).
Select the Oracle Identity Federation dropdown from top. Go to AdministrationService Provider.

SAML Single Sign On (SSO) using Oracle Identity Provider, Select Service Provider

In the Service Provider section, select the SAML 2.0 tab.
Check Map User via NameID.
Under Protocol Settings, check Enable SAML 2.0 Protocol.
Configure the additional SAML settings.

SAML Single Sign On (SSO) using Oracle Identity Provider, Service Provider Configuration

Now, Select the Oracle Identity Federation dropdown from top. Go to Administration Security and Trust.
Navigate to the Provider Metadata tab.
Select Identity Provider in Provider Type dropdown and click Generate button to download metadata.

SAML Single Sign On (SSO) using Oracle Identity Provider, Download IDP Metadata

Use the above metadata for further steps.

Step 2: Set Up SonarQube as Service Provider

Fetch the Identity Provider (IdP) Details

After configuring the IdP, get its metadata to configure SonarQube as a Service Provider(SP).
Copy the following details from the IdP metadata and paste them into the corresponding text fields in the SonarQube plugin.
1. IdP Entity ID
2. Login URL
3. X.509 Certificate
Save all the details.

sonarqube saml single sign on (sso) plugin - idp_details

Test Configuration

Once you have filled all the IdP details, go to Administration >>Configuration >>miniOrange SAML Support and then click on the Test Configuration tab.
It will show you the IdP login page. Enter your IdP credentials and log in.
If all the configurations are correct, it will show you the user details received from the IdP.
If the test fails, check if you have missed out any steps or try to debug through SonarQube .

To be able to troubleshoot through logs, first you'll have to set a higher log level in your SonarQube application.
To do so, go to the SonarQube Dashboard >> Administration >> System.
Under the system settings, you'll find an option to change the log's level. Select DEBUG and save it. Now try to configure the plugin.
If you face any problem during configuration, go to %SONARQUBE_HOME% / logs directory.
Find and open the web.log file. Go through the logs recorded.
You'll find the stacktrace of performed actions, along with date and time information.

sonarqube saml single sign on (sso) plugin - test_configuration

Attribute & Group Mapping

In order to map attributes from the Identity Provider to the application, the attribute names received in the SAML response need to be entered in their corresponding fields.
To view these attribute names, click on the Test Configuration tab in the plugin support page.
Attributes used in SonarQube Application are described briefly as below:
1. Login Attribute is a unique name assigned to the user to identify them uniquely within the SonarQube system. It's a required attribute.
2. Name Attribute is the full name of the user, to be mapped from the IdP to the SonarQube. It's a required attribute.
3. Email Attribute is an optional attribute and represents an email address of the user, to be mapped from the IdP to the SonarQube.
4. Group Attribute mapping requires the group names, in the application, to be same as the group names in the Identity Provider. Otherwise, the default SonarQube Group is assigned to the user.
Eg. To map group value Everyone from SAML response we have to paste groupName in Group Attribute field.

sonarqube saml single sign on (sso) plugin - attribute_mapping

Additional Resources

SAML 2.0

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