SAML Single Sign On (SSO) into SonarQube using KeyClock

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 KeyClock. By the end of this guide, KeyClock users should be able to log in and register to the SonarQube Server.

Step 1: Setup Jboss Keyclock as Identity Provider

Follow the steps below to configure Jboss Keyclock as an Identity Provider

miniorange img Setup IDP

  • In your Keycloak admin console, select the realm that you want to use.
  • Click on the Clients from the left nav bar.
  • Create a new client/application.
  • Configure the following:
  • Client ID The SP-EntityID / Issuer from the step 1 of the plugin under Configure IDP tab.
    Name Provide a name for this client
    Description Provide a description
    Enabled ON
    Consent Required OFF
    Client Protocol SAML
    Include AuthnStatement ON
    Sign Documents ON
    Optimize Redirect signing key lookup OFF
    Sign Assertions ON
    Signature Algorithm RSA_SHA256
    Encrypt Assertion OFF
    Client Signature Required OFF
    Canonicalization Method EXCLUSIVE
    Force Name ID Format ON
    Name ID Format Email
    Root URL Leave empty or Base URL of Service Provider
    Valid Redirect URIs The ACS (Assertion Consumer Service) URL from the step 1 of the plugin under configure IDP tab.
  • Under Fine Grain SAML Endpoint Configuration, configure the following:
  • Assertion Consumer Service POST Binding URL The ACS (Assertion Consumer Service) URL from the step 1 of the plugin under Configure IDP tab.
    Logout Service Redirect Binding URL The Single Logout URL from the step 1 of the plugin under Configure IDP tab.
  • Click on Save.
  • JBoss Keycloak SSO-1

 Add Mappers

  • Add the following attributes in the Mappers tab.
  • Click on Add Built-in and add the following option.
  • JBoss Keycloak SSO-2

miniorange img Download setup file

  • In the Installation Tab, choose SAML Metadata SPSSODescriptor as Format option.
  • Download it and keep it handy. It will be used to configure the plugin.

Step 2: Configure SonarQube as Service Provider.

    miniorange img  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. 1. IdP Entity ID
        2. Login URL
        3. X.509 Certificate

    • Save all the details.
    • sonarqube saml single sign on (sso) plugin - idp_details

    miniorange img  Test Configuration

    • Once you have filled all the IdP details, click on the Test Configuration button.
    • It will take you to 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 Logs.
      sonarqube saml single sign on (sso) plugin - test_configuration

    miniorange img  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 button in the plugin.
    • 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 [Refer with above image].
    • sonarqube saml single sign on (sso) plugin - attribute_mapping

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