SAML Single Sign On (SSO) into SonarQube using Google Apps/G Suite

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 GoolgeApps/G Suite. By the end of this guide, GoogleApps/G Suite users should be able to log in and register to the SonarQube Server.

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

Step 1: Set Up Google Apps/GSuite as Identity Provider

      Follow these steps to set up Google Apps/GSuite as an Identity Provider:

      Single Sign On using Google Apps/G-Suite, Google Apps/G-Suite SSO Login  1.1 Login as Administrator

        • Go to Google Admin Console and log in with your G Suite administrator account.
        • Navigate to the Apps tab in the left menu and click on Web and mobile apps.
        • Web and mobile apps tab inside Google Admin Console
      Single Sign On using Google Apps/G-Suite, Google Apps/G-Suite SSO Login  1.2 Add a SAML app

        • Click on the Add App, then select Add Custom SAML app from the dropdown to create a new SAML app.
        • Option to add a custom SAML app in Google Admin Console
        • Enter the details for your custom SAML app and click Continue.
        • App details tab inside the Add Custom SAML app wizard
      Single Sign On using Google Apps/G-Suite, Google Apps/G-Suite SSO Login  1.3 IDP Information

        • On the next screen, click on Download Metadata to retrieve data needed to configure your Service Provider.
        • Option to retrieve IDP information
        • Alternatively, you can copy GSuite details like SSO URL, Entity ID and Certificate to configure the Service Provider manually.
        • Google Admin Console details to configure the Service Provider manually
        • Click Continue once you’re done.
      Single Sign On using Google Apps/G-Suite, Google Apps/G-Suite SSO Login  1.4 Service Provider Details

        • Enter details from the Service Provider Metadata tab in the SAML SP plugin.
        • ACS URL Copy and paste the ACS URL from the plugin.
          Entity ID Copy and paste the SP Entity ID/ Issuer from the plugin.
          Signed Response Check Signed Response
          Name ID Format EMAIL
        • Click Continue once you’re done entering the details.
        • Google Apps SSO Login, Service provider details
      Single Sign On into Google Apps/G-Suite, Google Apps/G-Suite SSO Login  1.5 Attribute Mapping

        • Click on Add Mapping to add and select user fields in Google Directory.
        • Provision for attribute mapping in Google Admin Console
        • Next, map them to Service Provider attributes and click Finish once done.
        • Google Admin Console user and group attribute mapping options
      Single Sign On using Google Apps/G-Suite, Google Apps/G-Suite SSO Login  1.6 Turn On SSO

        • Go to SAML Apps again and click on OFF for everyone .
        • SAML App's user access option
        • Then, select ON for everyone to activate SSO.
        • SAML App's service status with ON for everyone option enabled
        • Note: After activating SSO, you can specify which users it applies to. For instance, if you choose organizational units, all users within that unit will be required to use SSO to access G Suite Apps. Likewise, you can choose to enforce SSO for specific groups or all users in the account.

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, 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 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 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 [Refer with above image].
    • sonarqube saml single sign on (sso) plugin - attribute_mapping

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