Chapter 1. Introduction to Red Hat Single Sign-On for OpenShift


1.1. What is Red Hat Single Sign-On?

Red Hat Single Sign-On is an integrated sign-on solution available as a Red Hat JBoss Middleware for OpenShift containerized image. The Red Hat Single Sign-On for OpenShift image provides an authentication server for users to centrally log in, log out, register, and manage user accounts for web applications, mobile applications, and RESTful web services.

Red Hat Single Sign-On for OpenShift is available on the following platforms: x86_64, IBM Z, and IBM Power Systems.

1.2. Templates for use with this software

Red Hat offers multiple OpenShift application templates using the Red Hat Single Sign-On for OpenShift image version number 7.5.3. These templates define the resources needed to develop Red Hat Single Sign-On 7.5.3 server based deployment. The templates can mainly be split into two categories: passthrough templates and reencryption templates. Some other miscellaneous templates also exist.

1.2.1. Passthrough templates

These templates require that HTTPS, JGroups keystores, and a truststore for the Red Hat Single Sign-On server exist beforehand. They secure the TLS communication using passthrough TLS termination.

  • sso75-https: Red Hat Single Sign-On 7.5.3 backed by internal H2 database on the same pod.
  • sso75-postgresql: Red Hat Single Sign-On 7.5.3 backed by ephemeral PostgreSQL database on a separate pod.
  • sso75-postgresql-persistent: Red Hat Single Sign-On 7.5.3 backed by persistent PostgreSQL database on a separate pod.
Note

Templates for using Red Hat Single Sign-On with MySQL / MariaDB databases have been removed and are not available since Red Hat Single Sign-On version 7.4.

1.2.2. Re-encryption templates

These templates use OpenShift’s internal service serving x509 certificate secrets to automatically create the HTTPS keystore used for serving secure content. The JGroups cluster traffic is authenticated using the AUTH protocol and encrypted using the ASYM_ENCRYPT protocol. The Red Hat Single Sign-On server truststore is also created automatically, containing the /var/run/secrets/kubernetes.io/serviceaccount/service-ca.crt CA certificate file, which is used to sign the certificate for HTTPS keystore.

Moreover, the truststore for the Red Hat Single Sign-On server is pre-populated with the all known, trusted CA certificate files found in the Java system path. These templates secure the TLS communication using re-encryption TLS termination.

  • sso75-x509-https: Red Hat Single Sign-On 7.5.3 with auto-generated HTTPS keystore and Red Hat Single Sign-On truststore, backed by internal H2 database. The ASYM_ENCRYPT JGroups protocol is used for encryption of cluster traffic.
  • sso75-x509-postgresql-persistent: Red Hat Single Sign-On 7.5.3 with auto-generated HTTPS keystore and Red Hat Single Sign-On truststore, backed by persistent PostgreSQL database. The ASYM_ENCRYPT JGroups protocol is used for encryption of cluster traffic.

1.2.3. Other templates

Other templates that integrate with Red Hat Single Sign-On are also available:

  • eap64-sso-s2i: Red Hat Single Sign-On-enabled Red Hat JBoss Enterprise Application Platform 6.4.
  • eap71-sso-s2i: Red Hat Single Sign-On-enabled Red Hat JBoss Enterprise Application Platform 7.1.
  • datavirt63-secure-s2i: Red Hat Single Sign-On-enabled Red Hat JBoss Data Virtualization 6.3.

These templates contain environment variables specific to Red Hat Single Sign-On that enable automatic Red Hat Single Sign-On client registration when deployed.

1.3. Version compatibility and support

For details about OpenShift image version compatibility, see the Supported Configurations page.

Note

The Red Hat Single Sign-On for OpenShift image version number between 7.0 and 7.3 are deprecated and they will no longer receive updates of image and application templates.

To deploy new applications, use the version 7.4 or 7.5.3 of the Red Hat Single Sign-On for OpenShift image along with the application templates specific to these image versions.

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